* macosx/Tcl-Common.xcconfig: update projects for Xcode 3.1 and 3.2,

	* macosx/Tcl.xcode/*:		standardize on gcc 4.2, remove obsolete
	* macosx/Tcl.xcodeproj/*:	configurations and pre-Xcode project.
	* macosx/Tcl.pbproj/* (removed):

	* macosx/README:		update project docs, cleanup.

	* unix/Makefile.in:		update dist target for project changes.

9 files changed, 721 insertions, 2667 deletions

diff --git a/macosx/README b/macosx/README
index ebe2bdf..11a7dcf 100644
--- a/macosx/README
+++ b/macosx/README
@@ -1,7 +1,7 @@
 Tcl Mac OS X README
 -------------------
 
-RCS: @(#) $Id: README,v 1.18 2008/06/12 06:26:58 das Exp $
+RCS: @(#) $Id: README,v 1.19 2009/06/26 18:14:25 das Exp $
 
 This is the README file for the Mac OS X/Darwin version of Tcl.
 
@@ -27,14 +27,13 @@ before asking on the list, many questions have already been answered).
 	Tk:  http://sf.net/tracker/?func=add&group_id=12997&atid=112997
 please make sure that your report Tk specific bugs to the tktoolkit project bug
 tracker rather than the tcl project bug tracker.
-Mac OS X specific bugs should usually be assigned to 'das' or 'wolfsuit'.
+Mac OS X specific bugs should in general be assigned to user 'das'.
 
 
 2. Using Tcl on Mac OS X
 ------------------------
 
-- At a minimum, Mac OS X 10.1 is required to run Tcl, but OS X 10.3 or higher is
-recommended (certain [file] operations behave incorrectly on earlier releases).
+- At a minimum, Mac OS X 10.3 is required to run Tcl.
 
 - Unless weak-linking is used, Tcl built on Mac OS X 10.x will not run on 10.y
 with y < x; on the other hand Tcl built on 10.y will always run on 10.x with
@@ -44,18 +43,19 @@ Weak-linking is available on OS X 10.2 or later, it additionally allows Tcl
 built on 10.x to run on any 10.y with x > y >= z (for a chosen z >= 2).
 
 - Tcl extensions can be installed in any of:
-	$HOME/Library/Tcl /Library/Tcl /Network/Library/Tcl /System/Library/Tcl
-	$HOME/Library/Frameworks /Library/Frameworks /Network/Library/Frameworks
-	/System/Library/Frameworks (searched in that order).
+	$HOME/Library/Tcl /Library/Tcl /System/Library/Tcl
+	$HOME/Library/Frameworks /Library/Frameworks /System/Library/Frameworks
+	(searched in that order).
 Given a potential package directory $pkg, Tcl on OSX checks for the file
 $pkg/Resources/Scripts/pkgIndex.tcl as well as the usual $pkg/pkgIndex.tcl.
 This allows building extensions as frameworks with all script files contained in
 the Resources/Scripts directory of the framework.
 
 - [load]able binary extensions can linked as either ordinary shared libraries
-(.dylib) or as MachO bundles (since 8.4.10/8.5a3); only bundles can be unloaded,
-and bundles are also loaded more efficiently from VFS (no temporary copy to the
-native filesystem required).
+(.dylib) or as MachO bundles (since 8.4.10/8.5a3); bundles have the advantage
+that they are [load]ed more efficiently from a tcl VFS (no temporary copy to the
+native filesystem required), and prior to Mac OS X 10.5, only bundles can be
+[unload]ed.
 
 - The 'deploy' target of macosx/GNUmakefile installs the html manpages into the
 standard documentation location in the Tcl framework:
@@ -64,19 +64,18 @@ No nroff manpages are installed by default by the GNUmakefile.
 
 - The Tcl framework can be installed in any of the system's standard
 framework directories:
-	$HOME/Library/Frameworks /Library/Frameworks
-	/Network/Library/Frameworks /System/Library/Frameworks
+	$HOME/Library/Frameworks /Library/Frameworks /System/Library/Frameworks
 
 
 3. Building Tcl on Mac OS X
 ---------------------------
 
-- At least Mac OS X 10.1 is required to build Tcl, and Apple's Developer Tools
-need to be installed (only the most recent version matching your OS release is
-supported). The Developer Tools installer is available on Mac OS X retail disks
-or is present in /Applications/Installers on Macs that came with OS X
-preinstalled. The most recent version can be downloaded from the ADC website
-http://connect.apple.com (after you register for free ADC membership).
+- At least Mac OS X 10.3 is required to build Tcl.
+Apple's Xcode Developer Tools need to be installed (only the most recent version
+matching your OS release is supported), the Xcode installer is available on Mac
+OS X install media or may be present in /Applications/Installers on Macs that
+came with OS X preinstalled. The most recent version can always be downloaded
+from the ADC website http://connect.apple.com (free ADC membership required).
 
 - Tcl is most easily built as a Mac OS X framework via GNUmakefile in tcl/macosx
 (see below for details), but can also be built with the standard unix configure
@@ -86,68 +85,50 @@ The Mac OS X specific configure flags are --enable-framework and
 --disable-corefoundation (which disables CF and notably reverts to the standard
 select based notifier).
 
-- It is also possible to build with Apple's IDE via the projects in tcl/macosx,
-take care to only use the project matching your DevTools and OS version:
-    * Tcl.pbproj for Xcode or ProjectBuilder on 10.3 and earlier, this has a
-	'Tcl' target that simply calls through to the tcl/macosx/GNUMakefile.
-    * Tcl.xcode for Xcode 2.4 on 10.4 and Xcode 2.5 on 10.4 and later, which
-	additionally has native 'tcltest' and 'tests' targets for debugging and
-	running the testsuite, these targets' 'Debug' build configuration has
-	ZeroLink and Fix&Continue enabled, use the 'DebugNoFixZL' build
-	configuration if you need a debug build without these features. The
-	following build configurations are available:
-	'DebugUnthreaded': debug build with threading turned off.
-	'DebugNoCF': debug build with corefoundation turned off.
-	'DebugNoCFUnthreaded': debug build with corefoundation & threading off.
-	'DebugMemCompile': debug build with memory and bytecode debugging on.
-	'DebugLeaks': debug build with PURIFY defined.
-	'DebugGCov': debug build with generation of gcov data files enabled.
-	'Debug64bit': builds the targets as 64bit with debugging enabled,
-		requires a 64bit capable processor (i.e. G5 or Core2/Xeon).
-	'ReleaseUniversal': builds the targets as universal binaries for the
-		ppc, ppc64, i386 and x86_64 architectures.
-	'ReleaseUniversal10.4uSDK': same as 'ReleaseUniversal' but builds
-		against the 10.4u SDK, required to build universal binaries on
-		PowerPC Tiger (where the system libraries are not universal).
-	'ReleasePPC10.3.9SDK': builds for PowerPC against the 10.3.9 SDK, useful
-		for verifying on Tiger that building on Panther would succeed.
-	'ReleasePPC10.2.8SDK': builds for PowerPC with gcc-3.3 against the
-		10.2.8 SDK, useful to verify on Tiger that building on Jaguar
-		would succeed.
-    * Tcl.xcodeproj for Xcode 3.1 on 10.5 and later, which has the following
-	additional build configurations:
-	'ReleaseUniversal10.5SDK': same as 'ReleaseUniversal' but builds
-		against the 10.5 SDK on Leopard (with 10.5 deployment target).
-	'Debug gcc42':  same as 'Debug' but builds with gcc 4.2.
-	'Debug llvmgcc42': same as 'Debug' but builds with llvm-gcc 4.2.
-	'ReleaseUniversal gcc42': same as 'ReleaseUniversal' but builds with
-		gcc 4.2.
-	'ReleaseUniversal llvmgcc42': same as 'ReleaseUniversal' but builds
-		with llvm-gcc 4.2.
-	Note that all non-SDK configurations have 10.5 deployment target.
-
-Notes about the native targets of the Xcode projects:
-    * the Xcode projects refer to the toplevel tcl source directory through the
-	TCL_SRCROOT user build setting, by default this is set to the
-	project-relative path '../../tcl', if your tcl source directory is named
-	differently, e.g. '../../tcl8.5', you'll need to manually change the
-	TCL_SRCROOT setting by editing your ${USER}.pbxuser file (located inside
-	the Tcl.xcodeproj bundle directory) with a text editor.
-    * the native targets need a version of the unix configure script with config
-	headers enabled, this is automatically generated as tcl/macosx/configure
-	by the project but that requires 2.59 versions of autoconf & autoheader.
-	These are not available on Mac OS X 10.5 by default and need to be
-	installed manually. By default they are assumed to be installed as
-	/usr/local/bin/autoconf-2.59 and /usr/local/bin/autoheader-2.59, set the
-	AUTOCONF and AUTOHEADER build settings in ${USER}.pbxuser to their true
-	locations if necessary.
-
-- To build universal binaries outside of Tcl.xcodeproj, set CFLAGS as follows:
-    export CFLAGS="-arch ppc -arch ppc64 -arch i386 -arch x86_64 \
-	-isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4"
+- It is also possible to build with the Xcode IDE via the projects in
+tcl/macosx, take care to use the project matching your DevTools and OS version:
+	Tcl.xcode: 		    for Xcode 3.1 on 10.5
+	Tcl.xcodeproj:		    for Xcode 3.2 on 10.6
+These have the following targets:
+	Tcl:			    calls through to tcl/macosx/GNUMakefile.
+	tcltest:		    static build of tcltest for debugging.
+	tests:			    build tcltest target and run tcl testsuite.
+The following build configurations are available:
+	Debug:			    debug build for the active architecture,
+				    with Fix & Continue enabled.
+	Debug clang:		    use clang compiler.
+	Debug llvm-gcc:		    use llvm-gcc compiler.
+	Debug gcc40:		    use gcc 4.0 compiler.
+	DebugNoFixAndContinue:      disable Fix & Continue.
+	DebugUnthreaded:	    disable threading.
+	DebugNoCF:		    disable corefoundation.
+	DebugNoCFUnthreaded:	    disable corefoundation an threading.
+	DebugMemCompile:	    enable memory and bytecode debugging.
+	DebugLeaks:		    define PURIFY.
+	DebugGCov:		    enable generation of gcov data files.
+	Debug64bit:		    configure with --enable-64bit (requires
+				    building on a 64bit capable processor).
+	Release:		    release build for the active architecture.
+	ReleaseUniversal:	    32/64-bit universal build.
+	ReleaseUniversal clang:	    use clang compiler.
+	ReleaseUniversal llvm-gcc:  use llvm-gcc compiler.
+	ReleaseUniversal gcc40:	    use gcc 4.0 compiler.
+	ReleaseUniversal10.5SDK:    build against the 10.5 SDK (with 10.5
+				    deployment target).
+	Note that the non-SDK configurations have their deployment target set to
+	10.5 (Tcl.xcode) resp. 10.6 (Tcl.xcodeproj).
+The Xcode projects refer to the toplevel tcl source directory via the
+TCL_SRCROOT user build setting, by default this is set to the project-relative
+path '../../tcl', if your tcl source directory is named differently, e.g.
+'../../tcl8.6', you need to manually change the TCL_SRCROOT setting by editing
+your ${USER}.pbxuser file (located inside the Tcl.xcodeproj bundle directory)
+with a text editor.
+
+- To build universal binaries outside of the Xcode IDE, set CFLAGS as follows:
+	export CFLAGS="-arch i386 -arch x86_64 -arch ppc"
 This requires Mac OS X 10.4 and Xcode 2.4 (or Xcode 2.2 if -arch x86_64 is
-omitted, but _not_ Xcode 2.1) and will work on any of the architectures (the
--isysroot flag is only required on PowerPC Tiger).
+omitted, but _not_ Xcode 2.1) and will work on any architecture (on PowerPC
+Tiger you need to add "-isysroot /Developer/SDKs/MacOSX10.4u.sdk").
 Note that configure requires CFLAGS to contain a least one architecture that can
 be run on the build machine (i.e. ppc on G3/G4, ppc or ppc64 on G5, ppc or i386
 on Core and ppc, i386 or x86_64 on Core2/Xeon).
@@ -155,51 +136,46 @@ Universal builds of Tcl TEA extensions are also possible with CFLAGS set as
 above, they will be [load]able by universal as well as thin binaries of Tcl.
 
 - To enable weak-linking, set the MACOSX_DEPLOYMENT_TARGET environment variable
-to the minimal OS version (>= 10.2) the binaries should be able to run on, e.g:
-    export MACOSX_DEPLOYMENT_TARGET=10.2
-This requires Mac OS X 10.2 and gcc 3.1; if you have gcc 4 or later you can set
-CFLAGS instead:
-    export CFLAGS="-mmacosx-version-min=10.2"
-The Tcl.xcode project is setup to produce binaries that can run on 10.2 or
-later (except for the Universal and SDK configurations).
-Support for weak-linking was added to the code for 8.4.14/8.5a5.
+to the minimal OS version the binaries should be able to run on, e.g:
+	export MACOSX_DEPLOYMENT_TARGET=10.4
+This requires at least gcc 3.1; with gcc 4 or later, set/add to CFLAGS instead:
+	export CFLAGS="-mmacosx-version-min=10.4"
+Support for weak-linking was added with 8.4.14/8.5a5.
 
 Detailed Instructions for building with macosx/GNUmakefile
 ----------------------------------------------------------
 
-- Unpack the tcl source release archive.
-
-- The following instructions assume the tcl source tree is named "tcl${ver}",
-where ${ver} is a shell variable containing the tcl version number (for example
-'8.4.12').
-Setup the shell variable as follows:
-	set ver="8.4.12" ;: if your shell is csh
-	ver="8.4.12"	 ;: if your shell is sh
-The source tree will be named this way only if you are building from a release
-archive, if you are building from CVS, the version numbers will be missing; so
-set ${ver} to the empty string instead:
-	set ver=""	 ;: if your shell is csh
-	ver=""		 ;: if your shell is sh
-
-- The following steps will build Tcl from the Terminal, assuming you are located
-in the directory containing the tcl source tree:
+- Unpack the Tcl source release archive.
+
+- The following instructions assume the Tcl source tree is named "tcl${ver}",
+(where ${ver} is a shell variable containing the Tcl version number e.g. '8.6').
+Setup this shell variable as follows:
+	ver="8.6"
+If you are building from CVS, omit this step (CVS source tree names usually do
+not contain a version number).
+
+- Setup environment variables as desired, e.g. for a universal build on 10.5:
+	CFLAGS="-arch i386 -arch x86_64 -arch ppc -mmacosx-version-min=10.5"
+	export CFLAGS
+
+- Change to the directory containing the Tcl source tree and build:
 	make -C tcl${ver}/macosx
-and the following will then install Tcl onto the root volume (admin password
-required):
+
+- Install Tcl onto the root volume (admin password required):
 	sudo make -C tcl${ver}/macosx install
-if you don't have the admin password, you can install into your home directory,
+if you don't have an admin password, you can install into your home directory
 instead by passing an INSTALL_ROOT argument to make:
 	make -C tcl${ver}/macosx install INSTALL_ROOT="${HOME}/"
 
-- The default Makefile targets will build _both_ debug and optimized versions of
-the Tcl framework with the standard convention of naming the debug library
+- The default GNUmakefile targets will build _both_ debug and optimized versions
+of the Tcl framework with the standard convention of naming the debug library
 Tcl.framework/Tcl_debug.
 This allows switching to the debug libraries at runtime by setting
 	export DYLD_IMAGE_SUFFIX=_debug
 (c.f. man dyld for more details)
 
 If you only want to build and install the debug or optimized build, use the
-'develop' or 'deploy' target variants of the Makefiles, respectively.
+'develop' or 'deploy' target variants of the GNUmakefile, respectively.
 For example, to build and install only the optimized versions:
 	make -C tcl${ver}/macosx deploy
 	sudo make -C tcl${ver}/macosx install-deploy
diff --git a/macosx/Tcl-Common.xcconfig b/macosx/Tcl-Common.xcconfig
index 9f7f1b4..5c8267e 100644
--- a/macosx/Tcl-Common.xcconfig
+++ b/macosx/Tcl-Common.xcconfig
@@ -9,7 +9,7 @@
 // See the file "license.terms" for information on usage and redistribution
 // of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //
-// RCS: @(#) $Id: Tcl-Common.xcconfig,v 1.12 2008/11/14 13:00:31 das Exp $
+// RCS: @(#) $Id: Tcl-Common.xcconfig,v 1.13 2009/06/26 18:14:25 das Exp $
 //
 
 HEADER_SEARCH_PATHS = "$(DERIVED_FILE_DIR)/tcl" $(HEADER_SEARCH_PATHS)
@@ -20,12 +20,9 @@ GCC_PREFIX_HEADER = $(DERIVED_FILE_DIR)/tcl/tclConfig.h
 GCC_GENERATE_DEBUGGING_SYMBOLS = YES
 GCC_NO_COMMON_BLOCKS = YES
 GCC_DYNAMIC_NO_PIC = YES
-GCC = $(DEVELOPER_DIR)/usr/bin/gcc
-GCC_VERSION = 4.0
-CC = $(GCC)-$(GCC_VERSION)
-LD = $(CC)
-WARNING_CFLAGS_GCC3 = -Wall -Wno-unused-parameter -Wno-deprecated-declarations
-WARNING_CFLAGS = -Wextra -Wno-missing-field-initializers -Winit-self -Wpointer-arith -Wcast-align -Wdisabled-optimization -Winline $(WARNING_CFLAGS_GCC3) $(WARNING_CFLAGS)
+GCC_VERSION = 4.2
+GCC = gcc-$(GCC_VERSION)
+WARNING_CFLAGS = -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unused-value -Winit-self -Wpointer-arith -Wcast-align -Wdisabled-optimization -Winline $(WARNING_CFLAGS)
 BINDIR = $(PREFIX)/bin
 CFLAGS = $(CFLAGS)
 CPPFLAGS = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_TARGET) $(CPPFLAGS)
diff --git a/macosx/Tcl.pbproj/default.pbxuser b/macosx/Tcl.pbproj/default.pbxuser
deleted file mode 100644
index 2ac716d..0000000
--- a/macosx/Tcl.pbproj/default.pbxuser
+++ /dev/null
@@ -1,173 +0,0 @@
-// !$*UTF8*$!
-{
-	00E2F845016E82EB0ACA28DC = {
-		activeBuildStyle = 00E2F847016E82EB0ACA28DC;
-		activeExecutable = F594E5F1030774B1016F146B;
-		activeTarget = 00E2F84C016E8B780ACA28DC;
-		addToTargets = (
-		);
-		codeSenseManager = F9D167E40610239A0027C147;
-		executables = (
-			F53ACC52031D9AFE016F146B,
-			F594E5F1030774B1016F146B,
-		);
-		sourceControlManager = F9D167E30610239A0027C147;
-		userBuildSettings = {
-			SYMROOT = "${SRCROOT}/../../build/tcl";
-		};
-	};
-	00E2F84C016E8B780ACA28DC = {
-		activeExec = 0;
-	};
-	F53ACC52031D9AFE016F146B = {
-		activeArgIndex = 2147483647;
-		activeArgIndices = (
-			NO,
-			NO,
-		);
-		argumentStrings = (
-			"${SRCROOT}/../../tcl/tests/all.tcl",
-			"-verbose \"\"",
-		);
-		configStateDict = {
-			"PBXLSLaunchAction-0" = {
-				PBXLSLaunchAction = 0;
-				PBXLSLaunchStartAction = 1;
-				PBXLSLaunchStdioStyle = 2;
-				PBXLSLaunchStyle = 0;
-				class = PBXLSRunLaunchConfig;
-				displayName = "Executable Runner";
-				identifier = com.apple.Xcode.launch.runConfig;
-				remoteHostInfo = "";
-				startActionInfo = "";
-			};
-			"PBXLSLaunchAction-1" = {
-				PBXLSLaunchAction = 1;
-				PBXLSLaunchStartAction = 1;
-				PBXLSLaunchStdioStyle = 2;
-				PBXLSLaunchStyle = 0;
-				class = PBXGDB_LaunchConfig;
-				displayName = GDB;
-				identifier = com.apple.Xcode.launch.GDBMI_Config;
-				remoteHostInfo = "";
-				startActionInfo = "";
-			};
-		};
-		cppStopOnCatchEnabled = 0;
-		cppStopOnThrowEnabled = 0;
-		customDataFormattersEnabled = 1;
-		debuggerPlugin = GDBDebugging;
-		disassemblyDisplayState = 0;
-		dylibVariantSuffix = _debug;
-		enableDebugStr = 0;
-		environmentEntries = (
-			{
-				active = YES;
-				name = TCL_LIBRARY;
-				value = "${SRCROOT}/../../tcl/library";
-			},
-			{
-				active = NO;
-				name = DYLD_PRINT_LIBRARIES;
-			},
-		);
-		isa = PBXExecutable;
-		launchableReference = F5C37CF303D5BEDF016F146B;
-		libgmallocEnabled = 0;
-		name = tcltest;
-		shlibInfoDictList = (
-		);
-		sourceDirectories = (
-		);
-		startupPath = "<<ProductDirectory>>";
-	};
-	F594E5F1030774B1016F146B = {
-		activeArgIndex = 2147483647;
-		activeArgIndices = (
-		);
-		argumentStrings = (
-		);
-		configStateDict = {
-			"PBXLSLaunchAction-0" = {
-				PBXLSLaunchAction = 0;
-				PBXLSLaunchStartAction = 1;
-				PBXLSLaunchStdioStyle = 2;
-				PBXLSLaunchStyle = 0;
-				class = PBXLSRunLaunchConfig;
-				displayName = "Executable Runner";
-				identifier = com.apple.Xcode.launch.runConfig;
-				remoteHostInfo = "";
-				startActionInfo = "";
-			};
-			"PBXLSLaunchAction-1" = {
-				PBXLSLaunchAction = 1;
-				PBXLSLaunchStartAction = 1;
-				PBXLSLaunchStdioStyle = 2;
-				PBXLSLaunchStyle = 0;
-				class = PBXGDB_LaunchConfig;
-				displayName = GDB;
-				identifier = com.apple.Xcode.launch.GDBMI_Config;
-				remoteHostInfo = "";
-				startActionInfo = "";
-			};
-		};
-		cppStopOnCatchEnabled = 0;
-		cppStopOnThrowEnabled = 0;
-		customDataFormattersEnabled = 1;
-		debuggerPlugin = GDBDebugging;
-		disassemblyDisplayState = 0;
-		dylibVariantSuffix = _debug;
-		enableDebugStr = 0;
-		environmentEntries = (
-			{
-				active = NO;
-				name = DYLD_PRINT_LIBRARIES;
-			},
-		);
-		isa = PBXExecutable;
-		launchableReference = F98F02E608E7EF9A00D0320A;
-		libgmallocEnabled = 0;
-		name = tclsh;
-		shlibInfoDictList = (
-		);
-		sourceDirectories = (
-		);
-		startupPath = "<<ProductDirectory>>";
-	};
-	F5C37CF303D5BEDF016F146B = {
-		isa = PBXFileReference;
-		lastKnownFileType = "compiled.mach-o.executable";
-		path = tcltest;
-		refType = 3;
-		sourceTree = BUILT_PRODUCTS_DIR;
-	};
-	F98F02E608E7EF9A00D0320A = {
-		isa = PBXFileReference;
-		lastKnownFileType = "compiled.mach-o.executable";
-		path = tclsh8.6;
-		refType = 3;
-		sourceTree = BUILT_PRODUCTS_DIR;
-	};
-	F9D167E30610239A0027C147 = {
-		fallbackIsa = XCSourceControlManager;
-		isSCMEnabled = 0;
-		isa = PBXSourceControlManager;
-		scmConfiguration = {
-		};
-		scmType = scm.cvs;
-	};
-	F9D167E40610239A0027C147 = {
-		indexTemplatePath = "";
-		isa = PBXCodeSenseManager;
-		usesDefaults = 1;
-		wantsCodeCompletion = 1;
-		wantsCodeCompletionAutoSuggestions = 1;
-		wantsCodeCompletionCaseSensitivity = 1;
-		wantsCodeCompletionListAlways = 1;
-		wantsCodeCompletionOnlyMatchingItems = 1;
-		wantsCodeCompletionParametersIncluded = 1;
-		wantsCodeCompletionPlaceholdersInserted = 1;
-		wantsCodeCompletionTabCompletes = 1;
-		wantsIndex = 1;
-	};
-}
diff --git a/macosx/Tcl.pbproj/jingham.pbxuser b/macosx/Tcl.pbproj/jingham.pbxuser
deleted file mode 100644
index 2472114..0000000
--- a/macosx/Tcl.pbproj/jingham.pbxuser
+++ /dev/null
@@ -1,173 +0,0 @@
-// !$*UTF8*$!
-{
-	00E2F845016E82EB0ACA28DC = {
-		activeBuildStyle = 00E2F847016E82EB0ACA28DC;
-		activeExecutable = F594E5F1030774B1016F146B;
-		activeTarget = 00E2F84C016E8B780ACA28DC;
-		addToTargets = (
-		);
-		codeSenseManager = F9D167E40610239A0027C147;
-		executables = (
-			F53ACC52031D9AFE016F146B,
-			F594E5F1030774B1016F146B,
-		);
-		sourceControlManager = F9D167E30610239A0027C147;
-		userBuildSettings = {
-			SYMROOT = "${SRCROOT}/../../build/tcl";
-		};
-	};
-	00E2F84C016E8B780ACA28DC = {
-		activeExec = 0;
-	};
-	F53ACC52031D9AFE016F146B = {
-		activeArgIndex = 2147483647;
-		activeArgIndices = (
-			NO,
-			NO,
-		);
-		argumentStrings = (
-			"${SRCROOT}/../../tcl/tests/all.tcl",
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-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FD7016ECC0F01DC9062 = {
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-		F5F24FD8016ECC0F01DC9062 = {
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-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FD9016ECC0F01DC9062 = {
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-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
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-			path = ../unix/tclLoadDyld.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FDB016ECC0F01DC9062 = {
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-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixChan.c;
-			path = ../unix/tclUnixChan.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FDC016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixEvent.c;
-			path = ../unix/tclUnixEvent.c;
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-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FDD016ECC0F01DC9062 = {
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-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixFCmd.c;
-			path = ../unix/tclUnixFCmd.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FDE016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixFile.c;
-			path = ../unix/tclUnixFile.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FDF016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixInit.c;
-			path = ../unix/tclUnixInit.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE0016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixNotfy.c;
-			path = ../unix/tclUnixNotfy.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE1016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixPipe.c;
-			path = ../unix/tclUnixPipe.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE2016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixSock.c;
-			path = ../unix/tclUnixSock.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE3016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixTest.c;
-			path = ../unix/tclUnixTest.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE4016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixThrd.c;
-			path = ../unix/tclUnixThrd.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE5016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclUnixTime.c;
-			path = ../unix/tclUnixTime.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE6016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclXtNotify.c;
-			path = ../unix/tclXtNotify.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FE7016ECC0F01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclXtTest.c;
-			path = ../unix/tclXtTest.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FEE016ED0DF01DC9062 = {
-			children = (
-				F5F24FEF016ED0DF01DC9062,
-				F5F24FF0016ED0DF01DC9062,
-				F5F24FF3016ED0DF01DC9062,
-				F5F24FF4016ED0DF01DC9062,
-				F5F24FF5016ED0DF01DC9062,
-				F5F24FF6016ED0DF01DC9062,
-				F5F24FFA016ED0DF01DC9062,
-				F5F24FFC016ED0DF01DC9062,
-				F5F24FFE016ED0DF01DC9062,
-				F5F25001016ED0DF01DC9062,
-				F5F25002016ED0DF01DC9062,
-				F5F25003016ED0DF01DC9062,
-				F5F25005016ED0DF01DC9062,
-				F5F25007016ED0DF01DC9062,
-				F5F25008016ED0DF01DC9062,
-				F5F2500A016ED0DF01DC9062,
-			);
-			isa = PBXGroup;
-			name = Scripts;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		F5F24FEF016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = auto.tcl;
-			path = ../library/auto.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FF0016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = dde;
-			path = ../library/dde;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FF3016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = encoding;
-			path = ../library/encoding;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FF4016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = history.tcl;
-			path = ../library/history.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FF5016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = http;
-			path = ../library/http;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FF6016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = http1.0;
-			path = ../library/http1.0;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FFA016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = init.tcl;
-			path = ../library/init.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FFC016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = msgcat;
-			path = ../library/msgcat;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F24FFE016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = opt;
-			path = ../library/opt;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25001016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = package.tcl;
-			path = ../library/package.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25002016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = parray.tcl;
-			path = ../library/parray.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25003016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = reg;
-			path = ../library/reg;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25005016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = safe.tcl;
-			path = ../library/safe.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25007016ED0DF01DC9062 = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = tclIndex;
-			path = ../library/tclIndex;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F25008016ED0DF01DC9062 = {
-			includeInIndex = 0;
-			isa = PBXFileReference;
-			lastKnownFileType = folder;
-			name = tcltest;
-			path = ../library/tcltest;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-		F5F2500A016ED0DF01DC9062 = {
-			isa = PBXFileReference;
-			lastKnownFileType = text;
-			name = word.tcl;
-			path = ../library/word.tcl;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-//F50
-//F51
-//F52
-//F53
-//F54
-//F90
-//F91
-//F92
-//F93
-//F94
-		F9A61C9D04C2B4E3006F5A0B = {
-			explicitFileType = wrapper.framework;
-			isa = PBXFileReference;
-			path = Tcl.framework;
-			refType = 3;
-			sourceTree = BUILT_PRODUCTS_DIR;
-		};
-		F9FED5C6047C7CEC006F146B = {
-			fileEncoding = 30;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			path = tclMacOSXFCmd.c;
-			refType = 4;
-			sourceTree = "<group>";
-		};
-		F9FED5C7047C7D1B006F146B = {
-			fileEncoding = 5;
-			isa = PBXFileReference;
-			lastKnownFileType = sourcecode.c.c;
-			name = tclPathObj.c;
-			path = ../generic/tclPathObj.c;
-			refType = 2;
-			sourceTree = SOURCE_ROOT;
-		};
-	};
-	rootObject = 00E2F845016E82EB0ACA28DC;
-}
diff --git a/macosx/Tcl.xcode/default.pbxuser b/macosx/Tcl.xcode/default.pbxuser
index 5c67540..22ffa9e 100644
--- a/macosx/Tcl.xcode/default.pbxuser
+++ b/macosx/Tcl.xcode/default.pbxuser
@@ -10,11 +10,10 @@
 			F944EB8F08F798100049FDD4 /* tcltest */,
 		);
 		perUserDictionary = {
-			com.apple.ide.smrt.PBXUserSmartGroupsKey.Rev10 = <040b747970656473747265616d8103e88401408484840e4e534d757461626c654172726179008484074e534172726179008484084e534f626a65637400858401690192848484134e534d757461626c6544696374696f6e6172790084840c4e5344696374696f6e6172790095960792848484084e53537472696e67019584012b146162736f6c75746550617468546f42756e646c658692849a9a008692849a9a046e616d658692849a9a14496d706c656d656e746174696f6e2046696c65738692849a9a03636c7a8692849a9a1550425846696c656e616d65536d61727447726f75708692849a9a0b6465736372697074696f6e8692849a9a103c6e6f206465736372697074696f6e3e8692849a9a08676c6f62616c49448692849a9a183143433045413430303433353045463930303434343130428692849a9a195042585472616e7369656e744c6f636174696f6e4174546f708692849a9a06626f74746f6d8692849a9a0b707265666572656e63657386928497960892849a9a1250425850726f6a65637453636f70654b65798692849a9a035945538692849a9a05696d6167658692849a9a0b536d617274466f6c6465728692849a9a0763616e536176658692848484084e534e756d626572008484074e5356616c7565009584012a849696018692849a9a0572656765788692849a9a065c2e286329248692849a9a04726f6f748692849a9a093c50524f4a4543543e8692849a9a097265637572736976658692ad92849a9a0669734c656166869284ae9db096008692849a9a07666e6d617463688692849a9a0086868686>;
+			com.apple.ide.smrt.PBXUserSmartGroupsKey.Rev10 = <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>;
 		};
 		sourceControlManager = F944EB9C08F798180049FDD4 /* Source Control */;
 		userBuildSettings = {
-			GCC = "${DEVELOPER_DIR}/usr/bin/gcc";
 			SYMROOT = "${SRCROOT}/../../build/tcl";
 			TCL_SRCROOT = "${SRCROOT}/../../tcl";
 		};
@@ -27,7 +26,6 @@
 	};
 	F944EB8F08F798100049FDD4 /* tcltest */ = {
 		isa = PBXExecutable;
-		activeArgIndex = 2147483647;
 		activeArgIndices = (
 			NO,
 			NO,
@@ -39,6 +37,7 @@
 			"-verbose \"bet\"",
 		);
 		autoAttachOnCrash = 1;
+		breakpointsEnabled = 1;
 		configStateDict = {
 			"PBXLSLaunchAction-0" = {
 				PBXLSLaunchAction = 0;
@@ -128,7 +127,10 @@
 		scmConfiguration = {
 			CVSToolPath = /usr/bin/cvs;
 			CVSUseSSH = NO;
-			SubversionToolPath = /usr/local/bin/svn;
+			SubversionToolPath = /usr/bin/svn;
+			repositoryNamesForRoots = {
+				.. = "";
+			};
 		};
 		scmType = scm.cvs;
 	};
@@ -147,12 +149,12 @@
 	};
 	F9E61D1C090A4282002B3151 /* tclsh */ = {
 		isa = PBXExecutable;
-		activeArgIndex = 2147483647;
 		activeArgIndices = (
 		);
 		argumentStrings = (
 		);
 		autoAttachOnCrash = 1;
+		breakpointsEnabled = 1;
 		configStateDict = {
 			"PBXLSLaunchAction-0" = {
 				PBXLSLaunchAction = 0;
diff --git a/macosx/Tcl.xcode/project.pbxproj b/macosx/Tcl.xcode/project.pbxproj
index bfa915f..37bf6c1 100644
--- a/macosx/Tcl.xcode/project.pbxproj
+++ b/macosx/Tcl.xcode/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 42;
+	objectVersion = 45;
 	objects = {
 
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@@ -148,7 +148,7 @@
 		F96D49A908F272C4004A47F5 /* tclMacOSXBundle.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D433908F272B5004A47F5 /* tclMacOSXBundle.c */; };
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 		F96D49AE08F272C4004A47F5 /* tclMacOSXNotify.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D433E08F272B5004A47F5 /* tclMacOSXNotify.c */; };
-		F96D4AC608F272C9004A47F5 /* tclLoadDyld.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445B08F272B9004A47F5 /* tclLoadDyld.c */; };
+		F96D4AC608F272C9004A47F5 /* tclLoadDyld.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445B08F272B9004A47F5 /* tclLoadDyld.c */; settings = {COMPILER_FLAGS = "-Wno-deprecated-declarations"; }; };
 		F96D4ACA08F272C9004A47F5 /* tclUnixChan.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445F08F272B9004A47F5 /* tclUnixChan.c */; };
 		F96D4ACB08F272C9004A47F5 /* tclUnixEvent.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D446008F272B9004A47F5 /* tclUnixEvent.c */; };
 		F96D4ACC08F272C9004A47F5 /* tclUnixFCmd.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D446108F272B9004A47F5 /* tclUnixFCmd.c */; };
@@ -171,6 +171,7 @@
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 		F9E61D31090A48F9002B3151 /* bn_mp_to_unsigned_bin.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D42C608F272B3004A47F5 /* bn_mp_to_unsigned_bin.c */; };
 		F9E61D32090A48FA002B3151 /* bn_mp_unsigned_bin_size.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D42CC08F272B3004A47F5 /* bn_mp_unsigned_bin_size.c */; };
+		F9F4415E0C8BAE6F00BCCD67 /* tclDTrace.d in Sources */ = {isa = PBXBuildFile; fileRef = F9F4415D0C8BAE6F00BCCD67 /* tclDTrace.d */; };
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@@ -193,10 +194,8 @@
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 		F91DC23C0E44C51B002CB8D1 /* nre.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = nre.test; sourceTree = "<group>"; };
-		F91DC23D0E44C530002CB8D1 /* unsupported.test */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = unsupported.test; sourceTree = "<group>"; };
 		F91E62260C1AE686006C9D96 /* Tclsh-Info.plist.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xml; path = "Tclsh-Info.plist.in"; sourceTree = "<group>"; };
 		F92D7F100DE777240033A13A /* tsdPerf.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tsdPerf.tcl; sourceTree = "<group>"; };
-		F92D7F140DE777670033A13A /* tsdPerf.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tsdPerf.c; sourceTree = "<group>"; };
 		F93599B20DF1F75400E04F67 /* tclOO.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOO.c; sourceTree = "<group>"; };
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 		F93599B50DF1F75D00E04F67 /* tclOO.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclOO.h; sourceTree = "<group>"; };
@@ -220,6 +219,7 @@
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 		F93599D70DF1F96800E04F67 /* object.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = object.n; sourceTree = "<group>"; };
 		F93599D80DF1F98300E04F67 /* self.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = self.n; sourceTree = "<group>"; };
+		F946FB8B0FBE3AED00CD6495 /* itcl */ = {isa = PBXFileReference; lastKnownFileType = folder; path = itcl; sourceTree = "<group>"; };
 		F95D77E90DFD820D00A8BF6F /* tclIORTrans.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclIORTrans.c; sourceTree = "<group>"; };
 		F95FAFF90B34F1130072E431 /* macOSXLoad.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = macOSXLoad.test; sourceTree = "<group>"; };
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@@ -558,18 +558,10 @@
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 		F96D402308F272AA004A47F5 /* tm.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tm.tcl; sourceTree = "<group>"; };
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-		F96D426108F272B3004A47F5 /* bn_error.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_error.c; sourceTree = "<group>"; };
-		F96D426208F272B3004A47F5 /* bn_fast_mp_invmod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_fast_mp_invmod.c; sourceTree = "<group>"; };
-		F96D426308F272B3004A47F5 /* bn_fast_mp_montgomery_reduce.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_fast_mp_montgomery_reduce.c; sourceTree = "<group>"; };
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 		F96D426A08F272B3004A47F5 /* bn_mp_add_d.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_add_d.c; sourceTree = "<group>"; };
-		F96D426B08F272B3004A47F5 /* bn_mp_addmod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_addmod.c; sourceTree = "<group>"; };
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@@ -577,7 +569,6 @@
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 		F96D427108F272B3004A47F5 /* bn_mp_cmp_d.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_cmp_d.c; sourceTree = "<group>"; };
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-		F96D427308F272B3004A47F5 /* bn_mp_cnt_lsb.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_cnt_lsb.c; sourceTree = "<group>"; };
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@@ -585,104 +576,49 @@
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-		F96D42AF08F272B3004A47F5 /* bn_mp_read_signed_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_read_signed_bin.c; sourceTree = "<group>"; };
-		F96D42B008F272B3004A47F5 /* bn_mp_read_unsigned_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_read_unsigned_bin.c; sourceTree = "<group>"; };
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-		F96D42B208F272B3004A47F5 /* bn_mp_reduce_2k.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_2k.c; sourceTree = "<group>"; };
-		F96D42B308F272B3004A47F5 /* bn_mp_reduce_2k_l.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_2k_l.c; sourceTree = "<group>"; };
-		F96D42B408F272B3004A47F5 /* bn_mp_reduce_2k_setup.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_2k_setup.c; sourceTree = "<group>"; };
-		F96D42B508F272B3004A47F5 /* bn_mp_reduce_2k_setup_l.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_2k_setup_l.c; sourceTree = "<group>"; };
-		F96D42B608F272B3004A47F5 /* bn_mp_reduce_is_2k.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_is_2k.c; sourceTree = "<group>"; };
-		F96D42B708F272B3004A47F5 /* bn_mp_reduce_is_2k_l.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_is_2k_l.c; sourceTree = "<group>"; };
-		F96D42B808F272B3004A47F5 /* bn_mp_reduce_setup.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_reduce_setup.c; sourceTree = "<group>"; };
 		F96D42B908F272B3004A47F5 /* bn_mp_rshd.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_rshd.c; sourceTree = "<group>"; };
 		F96D42BA08F272B3004A47F5 /* bn_mp_set.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_set.c; sourceTree = "<group>"; };
-		F96D42BB08F272B3004A47F5 /* bn_mp_set_int.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_set_int.c; sourceTree = "<group>"; };
 		F96D42BC08F272B3004A47F5 /* bn_mp_shrink.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_shrink.c; sourceTree = "<group>"; };
-		F96D42BD08F272B3004A47F5 /* bn_mp_signed_bin_size.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_signed_bin_size.c; sourceTree = "<group>"; };
 		F96D42BE08F272B3004A47F5 /* bn_mp_sqr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sqr.c; sourceTree = "<group>"; };
-		F96D42BF08F272B3004A47F5 /* bn_mp_sqrmod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sqrmod.c; sourceTree = "<group>"; };
 		F96D42C008F272B3004A47F5 /* bn_mp_sqrt.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sqrt.c; sourceTree = "<group>"; };
 		F96D42C108F272B3004A47F5 /* bn_mp_sub.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sub.c; sourceTree = "<group>"; };
 		F96D42C208F272B3004A47F5 /* bn_mp_sub_d.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sub_d.c; sourceTree = "<group>"; };
-		F96D42C308F272B3004A47F5 /* bn_mp_submod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_submod.c; sourceTree = "<group>"; };
-		F96D42C408F272B3004A47F5 /* bn_mp_to_signed_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_signed_bin.c; sourceTree = "<group>"; };
-		F96D42C508F272B3004A47F5 /* bn_mp_to_signed_bin_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_signed_bin_n.c; sourceTree = "<group>"; };
 		F96D42C608F272B3004A47F5 /* bn_mp_to_unsigned_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_unsigned_bin.c; sourceTree = "<group>"; };
 		F96D42C708F272B3004A47F5 /* bn_mp_to_unsigned_bin_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_unsigned_bin_n.c; sourceTree = "<group>"; };
 		F96D42C808F272B3004A47F5 /* bn_mp_toom_mul.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toom_mul.c; sourceTree = "<group>"; };
 		F96D42C908F272B3004A47F5 /* bn_mp_toom_sqr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toom_sqr.c; sourceTree = "<group>"; };
-		F96D42CA08F272B3004A47F5 /* bn_mp_toradix.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toradix.c; sourceTree = "<group>"; };
 		F96D42CB08F272B3004A47F5 /* bn_mp_toradix_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toradix_n.c; sourceTree = "<group>"; };
 		F96D42CC08F272B3004A47F5 /* bn_mp_unsigned_bin_size.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_unsigned_bin_size.c; sourceTree = "<group>"; };
 		F96D42CD08F272B3004A47F5 /* bn_mp_xor.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_xor.c; sourceTree = "<group>"; };
 		F96D42CE08F272B3004A47F5 /* bn_mp_zero.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_zero.c; sourceTree = "<group>"; };
-		F96D42CF08F272B3004A47F5 /* bn_prime_tab.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_prime_tab.c; sourceTree = "<group>"; };
 		F96D42D008F272B3004A47F5 /* bn_reverse.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_reverse.c; sourceTree = "<group>"; };
 		F96D42D108F272B3004A47F5 /* bn_s_mp_add.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_add.c; sourceTree = "<group>"; };
-		F96D42D208F272B3004A47F5 /* bn_s_mp_exptmod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_exptmod.c; sourceTree = "<group>"; };
 		F96D42D308F272B3004A47F5 /* bn_s_mp_mul_digs.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_mul_digs.c; sourceTree = "<group>"; };
-		F96D42D408F272B3004A47F5 /* bn_s_mp_mul_high_digs.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_mul_high_digs.c; sourceTree = "<group>"; };
 		F96D42D508F272B3004A47F5 /* bn_s_mp_sqr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_sqr.c; sourceTree = "<group>"; };
 		F96D42D608F272B3004A47F5 /* bn_s_mp_sub.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_sub.c; sourceTree = "<group>"; };
 		F96D42D708F272B3004A47F5 /* bncore.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bncore.c; sourceTree = "<group>"; };
-		F96D42D908F272B3004A47F5 /* callgraph.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = callgraph.txt; sourceTree = "<group>"; };
-		F96D42DA08F272B3004A47F5 /* changes.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = changes.txt; sourceTree = "<group>"; };
-		F96D42F008F272B3004A47F5 /* LICENSE */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = LICENSE; sourceTree = "<group>"; };
-		F96D431D08F272B4004A47F5 /* poster.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; path = poster.pdf; sourceTree = "<group>"; };
-		F96D432608F272B4004A47F5 /* tommath.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; path = tommath.pdf; sourceTree = "<group>"; };
 		F96D432908F272B4004A47F5 /* tommath_class.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tommath_class.h; sourceTree = "<group>"; };
 		F96D432A08F272B4004A47F5 /* tommath_superclass.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tommath_superclass.h; sourceTree = "<group>"; };
 		F96D432B08F272B4004A47F5 /* license.terms */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = license.terms; sourceTree = "<group>"; };
@@ -736,7 +672,7 @@
 		F96D436E08F272B6004A47F5 /* get.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = get.test; sourceTree = "<group>"; };
 		F96D436F08F272B6004A47F5 /* history.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = history.test; sourceTree = "<group>"; };
 		F96D437008F272B6004A47F5 /* http.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = http.test; sourceTree = "<group>"; };
-		F96D437108F272B6004A47F5 /* httpd */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = httpd; sourceTree = "<group>"; };
+		F96D437108F272B6004A47F5 /* httpd */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpd; sourceTree = "<group>"; };
 		F96D437208F272B6004A47F5 /* httpold.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpold.test; sourceTree = "<group>"; };
 		F96D437308F272B6004A47F5 /* if-old.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = "if-old.test"; sourceTree = "<group>"; };
 		F96D437408F272B6004A47F5 /* if.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = if.test; sourceTree = "<group>"; };
@@ -849,10 +785,8 @@
 		F96D443108F272B8004A47F5 /* man2tcl.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = man2tcl.c; sourceTree = "<group>"; };
 		F96D443208F272B8004A47F5 /* README */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 		F96D443308F272B8004A47F5 /* regexpTestLib.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = regexpTestLib.tcl; sourceTree = "<group>"; };
-		F96D443408F272B8004A47F5 /* str2c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.script.sh; path = str2c; sourceTree = "<group>"; };
 		F96D443508F272B8004A47F5 /* tcl.hpj.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.hpj.in; sourceTree = "<group>"; };
 		F96D443608F272B8004A47F5 /* tcl.wse.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.wse.in; sourceTree = "<group>"; };
-		F96D443708F272B9004A47F5 /* tclmin.wse */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tclmin.wse; sourceTree = "<group>"; };
 		F96D443908F272B9004A47F5 /* tcltk-man2html.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = "tcltk-man2html.tcl"; sourceTree = "<group>"; };
 		F96D443A08F272B9004A47F5 /* tclZIC.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tclZIC.tcl; sourceTree = "<group>"; };
 		F96D443B08F272B9004A47F5 /* uniClass.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = uniClass.tcl; sourceTree = "<group>"; };
@@ -940,6 +874,13 @@
 		F96D449808F272BA004A47F5 /* tclWinThrd.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclWinThrd.c; sourceTree = "<group>"; };
 		F96D449908F272BA004A47F5 /* tclWinThrd.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclWinThrd.h; sourceTree = "<group>"; };
 		F96D449A08F272BA004A47F5 /* tclWinTime.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclWinTime.c; sourceTree = "<group>"; };
+		F974D56C0FBE7D6300BF728B /* http11.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = http11.test; sourceTree = "<group>"; };
+		F974D56D0FBE7D6300BF728B /* httpd11.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpd11.tcl; sourceTree = "<group>"; };
+		F974D5720FBE7DC600BF728B /* coroutine.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = coroutine.n; sourceTree = "<group>"; };
+		F974D5760FBE7E1900BF728B /* tailcall.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = tailcall.n; sourceTree = "<group>"; };
+		F974D5770FBE7E6100BF728B /* coroutine.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = coroutine.test; sourceTree = "<group>"; };
+		F974D5780FBE7E6100BF728B /* tailcall.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tailcall.test; sourceTree = "<group>"; };
+		F974D5790FBE7E9C00BF728B /* tcl.pc.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.pc.in; sourceTree = "<group>"; };
 		F97AE7F10B65C1E900310EA2 /* Tcl-Common.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Common.xcconfig"; sourceTree = "<group>"; };
 		F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Release.xcconfig"; sourceTree = "<group>"; };
 		F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Debug.xcconfig"; sourceTree = "<group>"; };
@@ -956,6 +897,7 @@
 		F9ECB1CB0B26534C00A28025 /* mathop.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = mathop.test; sourceTree = "<group>"; };
 		F9ECB1E10B26543C00A28025 /* platform_shell.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = platform_shell.n; sourceTree = "<group>"; };
 		F9ECB1E20B26543C00A28025 /* platform.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = platform.n; sourceTree = "<group>"; };
+		F9F4415D0C8BAE6F00BCCD67 /* tclDTrace.d */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.dtrace; path = tclDTrace.d; sourceTree = "<group>"; };
 		F9FC77B70AB29E9100B7077D /* tclUnixCompat.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclUnixCompat.c; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -979,7 +921,7 @@
 				F966C06F08F281DC005CB29B /* Frameworks */,
 				1AB674ADFE9D54B511CA2CBB /* Products */,
 			);
-			comments = "Copyright (c) 2004-2008 Daniel A. Steffen <das@users.sourceforge.net>\n\nSee the file \"license.terms\" for information on usage and redistribution of\nthis file, and for a DISCLAIMER OF ALL WARRANTIES.\n\nRCS: @(#) $Id: project.pbxproj,v 1.13 2008/12/20 02:02:54 das Exp $\n";
+			comments = "Copyright (c) 2004-2009 Daniel A. Steffen <das@users.sourceforge.net>\nCopyright 2008-2009, Apple Inc.\n\nSee the file \"license.terms\" for information on usage and redistribution of\nthis file, and for a DISCLAIMER OF ALL WARRANTIES.\n\nRCS: @(#) $Id: project.pbxproj,v 1.14 2009/06/26 18:14:25 das Exp $\n";
 			name = Tcl;
 			path = .;
 			sourceTree = SOURCE_ROOT;
@@ -999,6 +941,7 @@
 			isa = PBXGroup;
 			children = (
 				F9183E6A0EFC81560030B814 /* README */,
+				F946FB8B0FBE3AED00CD6495 /* itcl */,
 				F9183E8F0EFC817B0030B814 /* tdbc */,
 			);
 			path = pkgs;
@@ -1069,6 +1012,7 @@
 				F96D3E1808F272A5004A47F5 /* concat.n */,
 				F96D3E1908F272A5004A47F5 /* continue.n */,
 				F93599D20DF1F8DF00E04F67 /* copy.n */,
+				F974D5720FBE7DC600BF728B /* coroutine.n */,
 				F96D3E1A08F272A5004A47F5 /* CrtChannel.3 */,
 				F96D3E1B08F272A5004A47F5 /* CrtChnlHdlr.3 */,
 				F96D3E1C08F272A5004A47F5 /* CrtCloseHdlr.3 */,
@@ -1224,6 +1168,7 @@
 				F96D3EAA08F272A7004A47F5 /* subst.n */,
 				F96D3EAB08F272A7004A47F5 /* SubstObj.3 */,
 				F96D3EAC08F272A7004A47F5 /* switch.n */,
+				F974D5760FBE7E1900BF728B /* tailcall.n */,
 				F96D3EAD08F272A7004A47F5 /* Tcl.n */,
 				F99D61180EF5573A00BBFE01 /* TclZlib.3 */,
 				F96D3EAE08F272A7004A47F5 /* Tcl_Main.3 */,
@@ -1298,6 +1243,7 @@
 				F96D3EEA08F272A7004A47F5 /* tclDate.c */,
 				F96D3EEB08F272A7004A47F5 /* tclDecls.h */,
 				F96D3EEC08F272A7004A47F5 /* tclDictObj.c */,
+				F9F4415D0C8BAE6F00BCCD67 /* tclDTrace.d */,
 				F96D3EED08F272A7004A47F5 /* tclEncoding.c */,
 				F96D3EEE08F272A7004A47F5 /* tclEnv.c */,
 				F96D3EEF08F272A7004A47F5 /* tclEvent.c */,
@@ -1478,18 +1424,10 @@
 		F96D425C08F272B2004A47F5 /* libtommath */ = {
 			isa = PBXGroup;
 			children = (
-				F96D425F08F272B3004A47F5 /* bn.pdf */,
-				F96D426108F272B3004A47F5 /* bn_error.c */,
-				F96D426208F272B3004A47F5 /* bn_fast_mp_invmod.c */,
-				F96D426308F272B3004A47F5 /* bn_fast_mp_montgomery_reduce.c */,
 				F96D426408F272B3004A47F5 /* bn_fast_s_mp_mul_digs.c */,
-				F96D426508F272B3004A47F5 /* bn_fast_s_mp_mul_high_digs.c */,
 				F96D426608F272B3004A47F5 /* bn_fast_s_mp_sqr.c */,
-				F96D426708F272B3004A47F5 /* bn_mp_2expt.c */,
-				F96D426808F272B3004A47F5 /* bn_mp_abs.c */,
 				F96D426908F272B3004A47F5 /* bn_mp_add.c */,
 				F96D426A08F272B3004A47F5 /* bn_mp_add_d.c */,
-				F96D426B08F272B3004A47F5 /* bn_mp_addmod.c */,
 				F96D426C08F272B3004A47F5 /* bn_mp_and.c */,
 				F96D426D08F272B3004A47F5 /* bn_mp_clamp.c */,
 				F96D426E08F272B3004A47F5 /* bn_mp_clear.c */,
@@ -1497,7 +1435,6 @@
 				F96D427008F272B3004A47F5 /* bn_mp_cmp.c */,
 				F96D427108F272B3004A47F5 /* bn_mp_cmp_d.c */,
 				F96D427208F272B3004A47F5 /* bn_mp_cmp_mag.c */,
-				F96D427308F272B3004A47F5 /* bn_mp_cnt_lsb.c */,
 				F96D427408F272B3004A47F5 /* bn_mp_copy.c */,
 				F96D427508F272B3004A47F5 /* bn_mp_count_bits.c */,
 				F96D427608F272B3004A47F5 /* bn_mp_div.c */,
@@ -1505,104 +1442,49 @@
 				F96D427808F272B3004A47F5 /* bn_mp_div_2d.c */,
 				F96D427908F272B3004A47F5 /* bn_mp_div_3.c */,
 				F96D427A08F272B3004A47F5 /* bn_mp_div_d.c */,
-				F96D427B08F272B3004A47F5 /* bn_mp_dr_is_modulus.c */,
-				F96D427C08F272B3004A47F5 /* bn_mp_dr_reduce.c */,
-				F96D427D08F272B3004A47F5 /* bn_mp_dr_setup.c */,
 				F96D427E08F272B3004A47F5 /* bn_mp_exch.c */,
 				F96D427F08F272B3004A47F5 /* bn_mp_expt_d.c */,
-				F96D428008F272B3004A47F5 /* bn_mp_exptmod.c */,
-				F96D428108F272B3004A47F5 /* bn_mp_exptmod_fast.c */,
-				F96D428208F272B3004A47F5 /* bn_mp_exteuclid.c */,
-				F96D428308F272B3004A47F5 /* bn_mp_fread.c */,
-				F96D428408F272B3004A47F5 /* bn_mp_fwrite.c */,
-				F96D428508F272B3004A47F5 /* bn_mp_gcd.c */,
-				F96D428608F272B3004A47F5 /* bn_mp_get_int.c */,
 				F96D428708F272B3004A47F5 /* bn_mp_grow.c */,
 				F96D428808F272B3004A47F5 /* bn_mp_init.c */,
 				F96D428908F272B3004A47F5 /* bn_mp_init_copy.c */,
 				F96D428A08F272B3004A47F5 /* bn_mp_init_multi.c */,
 				F96D428B08F272B3004A47F5 /* bn_mp_init_set.c */,
-				F96D428C08F272B3004A47F5 /* bn_mp_init_set_int.c */,
 				F96D428D08F272B3004A47F5 /* bn_mp_init_size.c */,
-				F96D428E08F272B3004A47F5 /* bn_mp_invmod.c */,
-				F96D428F08F272B3004A47F5 /* bn_mp_invmod_slow.c */,
-				F96D429008F272B3004A47F5 /* bn_mp_is_square.c */,
-				F96D429108F272B3004A47F5 /* bn_mp_jacobi.c */,
 				F96D429208F272B3004A47F5 /* bn_mp_karatsuba_mul.c */,
 				F96D429308F272B3004A47F5 /* bn_mp_karatsuba_sqr.c */,
-				F96D429408F272B3004A47F5 /* bn_mp_lcm.c */,
 				F96D429508F272B3004A47F5 /* bn_mp_lshd.c */,
 				F96D429608F272B3004A47F5 /* bn_mp_mod.c */,
 				F96D429708F272B3004A47F5 /* bn_mp_mod_2d.c */,
-				F96D429808F272B3004A47F5 /* bn_mp_mod_d.c */,
-				F96D429908F272B3004A47F5 /* bn_mp_montgomery_calc_normalization.c */,
-				F96D429A08F272B3004A47F5 /* bn_mp_montgomery_reduce.c */,
-				F96D429B08F272B3004A47F5 /* bn_mp_montgomery_setup.c */,
 				F96D429C08F272B3004A47F5 /* bn_mp_mul.c */,
 				F96D429D08F272B3004A47F5 /* bn_mp_mul_2.c */,
 				F96D429E08F272B3004A47F5 /* bn_mp_mul_2d.c */,
 				F96D429F08F272B3004A47F5 /* bn_mp_mul_d.c */,
-				F96D42A008F272B3004A47F5 /* bn_mp_mulmod.c */,
-				F96D42A108F272B3004A47F5 /* bn_mp_n_root.c */,
 				F96D42A208F272B3004A47F5 /* bn_mp_neg.c */,
 				F96D42A308F272B3004A47F5 /* bn_mp_or.c */,
-				F96D42A408F272B3004A47F5 /* bn_mp_prime_fermat.c */,
-				F96D42A508F272B3004A47F5 /* bn_mp_prime_is_divisible.c */,
-				F96D42A608F272B3004A47F5 /* bn_mp_prime_is_prime.c */,
-				F96D42A708F272B3004A47F5 /* bn_mp_prime_miller_rabin.c */,
-				F96D42A808F272B3004A47F5 /* bn_mp_prime_next_prime.c */,
-				F96D42A908F272B3004A47F5 /* bn_mp_prime_rabin_miller_trials.c */,
-				F96D42AA08F272B3004A47F5 /* bn_mp_prime_random_ex.c */,
 				F96D42AB08F272B3004A47F5 /* bn_mp_radix_size.c */,
 				F96D42AC08F272B3004A47F5 /* bn_mp_radix_smap.c */,
-				F96D42AD08F272B3004A47F5 /* bn_mp_rand.c */,
 				F96D42AE08F272B3004A47F5 /* bn_mp_read_radix.c */,
-				F96D42AF08F272B3004A47F5 /* bn_mp_read_signed_bin.c */,
-				F96D42B008F272B3004A47F5 /* bn_mp_read_unsigned_bin.c */,
-				F96D42B108F272B3004A47F5 /* bn_mp_reduce.c */,
-				F96D42B208F272B3004A47F5 /* bn_mp_reduce_2k.c */,
-				F96D42B308F272B3004A47F5 /* bn_mp_reduce_2k_l.c */,
-				F96D42B408F272B3004A47F5 /* bn_mp_reduce_2k_setup.c */,
-				F96D42B508F272B3004A47F5 /* bn_mp_reduce_2k_setup_l.c */,
-				F96D42B608F272B3004A47F5 /* bn_mp_reduce_is_2k.c */,
-				F96D42B708F272B3004A47F5 /* bn_mp_reduce_is_2k_l.c */,
-				F96D42B808F272B3004A47F5 /* bn_mp_reduce_setup.c */,
 				F96D42B908F272B3004A47F5 /* bn_mp_rshd.c */,
 				F96D42BA08F272B3004A47F5 /* bn_mp_set.c */,
-				F96D42BB08F272B3004A47F5 /* bn_mp_set_int.c */,
 				F96D42BC08F272B3004A47F5 /* bn_mp_shrink.c */,
-				F96D42BD08F272B3004A47F5 /* bn_mp_signed_bin_size.c */,
 				F96D42BE08F272B3004A47F5 /* bn_mp_sqr.c */,
-				F96D42BF08F272B3004A47F5 /* bn_mp_sqrmod.c */,
 				F96D42C008F272B3004A47F5 /* bn_mp_sqrt.c */,
 				F96D42C108F272B3004A47F5 /* bn_mp_sub.c */,
 				F96D42C208F272B3004A47F5 /* bn_mp_sub_d.c */,
-				F96D42C308F272B3004A47F5 /* bn_mp_submod.c */,
-				F96D42C408F272B3004A47F5 /* bn_mp_to_signed_bin.c */,
-				F96D42C508F272B3004A47F5 /* bn_mp_to_signed_bin_n.c */,
 				F96D42C608F272B3004A47F5 /* bn_mp_to_unsigned_bin.c */,
 				F96D42C708F272B3004A47F5 /* bn_mp_to_unsigned_bin_n.c */,
 				F96D42C808F272B3004A47F5 /* bn_mp_toom_mul.c */,
 				F96D42C908F272B3004A47F5 /* bn_mp_toom_sqr.c */,
-				F96D42CA08F272B3004A47F5 /* bn_mp_toradix.c */,
 				F96D42CB08F272B3004A47F5 /* bn_mp_toradix_n.c */,
 				F96D42CC08F272B3004A47F5 /* bn_mp_unsigned_bin_size.c */,
 				F96D42CD08F272B3004A47F5 /* bn_mp_xor.c */,
 				F96D42CE08F272B3004A47F5 /* bn_mp_zero.c */,
-				F96D42CF08F272B3004A47F5 /* bn_prime_tab.c */,
 				F96D42D008F272B3004A47F5 /* bn_reverse.c */,
 				F96D42D108F272B3004A47F5 /* bn_s_mp_add.c */,
-				F96D42D208F272B3004A47F5 /* bn_s_mp_exptmod.c */,
 				F96D42D308F272B3004A47F5 /* bn_s_mp_mul_digs.c */,
-				F96D42D408F272B3004A47F5 /* bn_s_mp_mul_high_digs.c */,
 				F96D42D508F272B3004A47F5 /* bn_s_mp_sqr.c */,
 				F96D42D608F272B3004A47F5 /* bn_s_mp_sub.c */,
 				F96D42D708F272B3004A47F5 /* bncore.c */,
-				F96D42D908F272B3004A47F5 /* callgraph.txt */,
-				F96D42DA08F272B3004A47F5 /* changes.txt */,
-				F96D42F008F272B3004A47F5 /* LICENSE */,
-				F96D431D08F272B4004A47F5 /* poster.pdf */,
-				F96D432608F272B4004A47F5 /* tommath.pdf */,
 				F96D432908F272B4004A47F5 /* tommath_class.h */,
 				F96D432A08F272B4004A47F5 /* tommath_superclass.h */,
 			);
@@ -1652,6 +1534,7 @@
 				F96D435608F272B5004A47F5 /* compile.test */,
 				F96D435708F272B5004A47F5 /* concat.test */,
 				F96D435808F272B5004A47F5 /* config.test */,
+				F974D5770FBE7E6100BF728B /* coroutine.test */,
 				F96D435908F272B5004A47F5 /* dcall.test */,
 				F96D435A08F272B5004A47F5 /* dict.test */,
 				F96D435C08F272B5004A47F5 /* dstring.test */,
@@ -1674,7 +1557,9 @@
 				F96D436E08F272B6004A47F5 /* get.test */,
 				F96D436F08F272B6004A47F5 /* history.test */,
 				F96D437008F272B6004A47F5 /* http.test */,
+				F974D56C0FBE7D6300BF728B /* http11.test */,
 				F96D437108F272B6004A47F5 /* httpd */,
+				F974D56D0FBE7D6300BF728B /* httpd11.tcl */,
 				F96D437208F272B6004A47F5 /* httpold.test */,
 				F96D437308F272B6004A47F5 /* if-old.test */,
 				F96D437408F272B6004A47F5 /* if.test */,
@@ -1747,6 +1632,7 @@
 				F96D43B408F272B7004A47F5 /* stringObj.test */,
 				F96D43B508F272B7004A47F5 /* subst.test */,
 				F96D43B608F272B7004A47F5 /* switch.test */,
+				F974D5780FBE7E6100BF728B /* tailcall.test */,
 				F96D43B708F272B7004A47F5 /* tcltest.test */,
 				F96D43B808F272B7004A47F5 /* thread.test */,
 				F96D43B908F272B7004A47F5 /* timer.test */,
@@ -1758,7 +1644,6 @@
 				F96D43BF08F272B7004A47F5 /* unixNotfy.test */,
 				F96D43C008F272B7004A47F5 /* unknown.test */,
 				F96D43C108F272B7004A47F5 /* unload.test */,
-				F91DC23D0E44C530002CB8D1 /* unsupported.test */,
 				F96D43C208F272B7004A47F5 /* uplevel.test */,
 				F96D43C308F272B7004A47F5 /* upvar.test */,
 				F96D43C408F272B7004A47F5 /* utf.test */,
@@ -1800,13 +1685,10 @@
 				F96D443108F272B8004A47F5 /* man2tcl.c */,
 				F96D443208F272B8004A47F5 /* README */,
 				F96D443308F272B8004A47F5 /* regexpTestLib.tcl */,
-				F96D443408F272B8004A47F5 /* str2c */,
 				F96D443508F272B8004A47F5 /* tcl.hpj.in */,
 				F96D443608F272B8004A47F5 /* tcl.wse.in */,
-				F96D443708F272B9004A47F5 /* tclmin.wse */,
 				F96D443908F272B9004A47F5 /* tcltk-man2html.tcl */,
 				F96D443A08F272B9004A47F5 /* tclZIC.tcl */,
-				F92D7F140DE777670033A13A /* tsdPerf.c */,
 				F92D7F100DE777240033A13A /* tsdPerf.tcl */,
 				F96D443B08F272B9004A47F5 /* uniClass.tcl */,
 				F96D443C08F272B9004A47F5 /* uniParse.tcl */,
@@ -1827,6 +1709,7 @@
 				F96D445008F272B9004A47F5 /* Makefile.in */,
 				F96D445208F272B9004A47F5 /* README */,
 				F96D445308F272B9004A47F5 /* tcl.m4 */,
+				F974D5790FBE7E9C00BF728B /* tcl.pc.in */,
 				F96D445408F272B9004A47F5 /* tcl.spec */,
 				F96D445508F272B9004A47F5 /* tclAppInit.c */,
 				F96D445608F272B9004A47F5 /* tclConfig.h.in */,
@@ -1937,10 +1820,10 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F95CC8B009158F3100EA5ACE /* Build configuration list for PBXNativeTarget "tcltest" */;
 			buildPhases = (
-				F9A5C5F508F651A2008AE941 /* ShellScript */,
+				F9A5C5F508F651A2008AE941 /* Configure Tcl */,
 				8DD76FAB0486AB0100D96B5E /* Sources */,
 				8DD76FAD0486AB0100D96B5E /* Frameworks */,
-				F95FA74C0B32CE190072E431 /* ShellScript */,
+				F95FA74C0B32CE190072E431 /* Build dltest */,
 			);
 			buildRules = (
 			);
@@ -1956,7 +1839,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F97258A80A86873D00096C78 /* Build configuration list for PBXNativeTarget "tests" */;
 			buildPhases = (
-				F97258A40A86873C00096C78 /* ShellScript */,
+				F97258A40A86873C00096C78 /* Run Testsuite */,
 			);
 			buildRules = (
 			);
@@ -1971,7 +1854,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F95CC8AB09158F3100EA5ACE /* Build configuration list for PBXNativeTarget "Tcl" */;
 			buildPhases = (
-				F97AF02F0B665DA900310EA2 /* ShellScript */,
+				F97AF02F0B665DA900310EA2 /* Build Tcl */,
 			);
 			buildRules = (
 			);
@@ -1987,7 +1870,11 @@
 /* Begin PBXProject section */
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+				BuildIndependentTargetsInParallel = YES;
+			};
 			buildConfigurationList = F95CC8B509158F3100EA5ACE /* Build configuration list for PBXProject "Tcl" */;
+			compatibilityVersion = "Xcode 3.1";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* Tcl */;
 			projectDirPath = "";
@@ -2001,7 +1888,7 @@
 /* End PBXProject section */
 
 /* Begin PBXShellScriptBuildPhase section */
-		F95FA74C0B32CE190072E431 /* ShellScript */ = {
+		F95FA74C0B32CE190072E431 /* Build dltest */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2016,27 +1903,31 @@
 				"$(TCL_SRCROOT)/unix/dltest/pkge.c",
 				"$(TCL_SRCROOT)/unix/dltest/pkgua.c",
 			);
+			name = "Build dltest";
 			outputPaths = (
 				"$(DERIVED_FILE_DIR)/tcl/dltest.marker",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
 			shellScript = "## dltest build script phase\n\nrm -f \"${DERIVED_FILE_DIR}/tcl/dltest.marker\"\nmake -C \"${DERIVED_FILE_DIR}/tcl\" dltest.marker\nln -fsh \"${DERIVED_FILE_DIR}/tcl/dltest\" \"${CONFIGURATION_BUILD_DIR}\"\n";
+			showEnvVarsInLog = 0;
 		};
-		F97258A40A86873C00096C78 /* ShellScript */ = {
+		F97258A40A86873C00096C78 /* Run Testsuite */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
 			);
+			name = "Run Testsuite";
 			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
-			shellScript = "if [ \"${ACTION:-build}\" == \"build\" ]; then\nif [ -z \"${HOME}\" ]; then export HOME=\"$(echo ~)\"; fi\ncd \"${TARGET_TEMP_DIR}\"; rm -rf \"${DERIVED_FILE_DIR}\"; mkdir -p \"${DERIVED_FILE_DIR}\"\nprintf '%s%s%s%s%s' '\npackage require tcltest 2.2\nnamespace import tcltest::*\nconfigure -testdir [file normalize {' \"${TCL_SRCROOT}\" '/tests}]\nconfigure -tmpdir [file normalize {' \"${DERIVED_FILE_DIR}\" '}]\nconfigure -verbose [concat [configure -verbose] line]\n# following test only fails when testsuite is run from inside Xcode, so skip it\nconfigure -skip [concat [configure -skip] stack-3.1]\nrunAllTests\n' | \"${TEST_RIG}\"; TEST_RIG_RESULT=$?\n[ ${TEST_RIG_RESULT} -ne 0 ] && echo \"tcltest:0: error: tcltest exited abnormally with code ${TEST_RIG_RESULT}.\"\nexit ${TEST_RIG_RESULT}\nfi";
+			shellScript = "if [ \"${ACTION:-build}\" == \"build\" ]; then\nif [ -z \"${HOME}\" ]; then export HOME=\"$(echo ~)\"; fi\ncd \"${TARGET_TEMP_DIR}\"; rm -rf \"${DERIVED_FILE_DIR}\"; mkdir -p \"${DERIVED_FILE_DIR}\"\nprintf '%s%s%s%s%s' '\npackage require tcltest 2.2\nnamespace import tcltest::*\nconfigure -testdir [file normalize {' \"${TCL_SRCROOT}\" '/tests}]\nconfigure -tmpdir [file normalize {' \"${DERIVED_FILE_DIR}\" '}]\nconfigure -verbose [concat [configure -verbose] line]\nrunAllTests\n' | \"${TEST_RIG}\"; TEST_RIG_RESULT=$?\n[ ${TEST_RIG_RESULT} -ne 0 ] && echo \"tcltest:0: error: tcltest exited abnormally with code ${TEST_RIG_RESULT}.\"\nexit ${TEST_RIG_RESULT}\nfi";
+			showEnvVarsInLog = 0;
 		};
-		F97AF02F0B665DA900310EA2 /* ShellScript */ = {
+		F97AF02F0B665DA900310EA2 /* Build Tcl */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2044,14 +1935,16 @@
 			inputPaths = (
 				"${TARGET_TEMP_DIR}/.none",
 			);
+			name = "Build Tcl";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${EXECUTABLE_NAME}",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
-			shellScript = "if [ -e \"${TARGET_BUILD_DIR}/tclsh\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh\" \"${TARGET_BUILD_DIR}/tclsh${VERSION}\"\nfi\ngnumake -C \"${TCL_SRCROOT}/macosx\" -j \"$(sysctl -n hw.activecpu)\" \"$(echo \"${ACTION}\" | sed -e s/build// -e s/clean/distclean/ -e s/..\\*/\\&-/)${MAKE_TARGET}\" CFLAGS_WARNING=\"${WARNING_CFLAGS}\" CFLAGS_OPTIMIZE=\"-O${GCC_OPTIMIZATION_LEVEL}\" SYMROOT=\"${BUILT_PRODUCTS_DIR}\" OBJ_DIR=\"${OBJECT_FILE_DIR}\" INSTALL_ROOT=\"${DSTROOT}\" PREFIX=\"${PREFIX}\" BINDIR=\"${BINDIR}\" LIBDIR=\"${FRAMEWORK_INSTALL_PATH}\" MANDIR=\"${MANDIR}\" EXTRA_CONFIGURE_ARGS=\"${CONFIGURE_ARGS}\" ${EXTRA_MAKE_FLAGS}\nresult=$?\nif [ -e \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" \"${TARGET_BUILD_DIR}/tclsh\"\nfi\nif [ -e \"${BUILT_PRODUCTS_DIR}/tcltest\" ]; then\n\trm -f \"${BUILT_PRODUCTS_DIR}/tcltest\"\nfi\necho \"Done\"\nrm -f \"${SCRIPT_INPUT_FILE_0}\"\nexit ${result}\n";
+			shellScript = "if [ -e \"${TARGET_BUILD_DIR}/tclsh\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh\" \"${TARGET_BUILD_DIR}/tclsh${VERSION}\"\nfi\nexport CC=$(xcrun -find ${GCC} || echo ${GCC}); export LD=${CC}\ngnumake -C \"${TCL_SRCROOT}/macosx\" -j \"$(sysctl -n hw.activecpu)\" \"$(echo \"${ACTION}\" | sed -e s/build// -e s/clean/distclean/ -e s/..\\*/\\&-/)${MAKE_TARGET}\" CFLAGS_WARNING=\"${WARNING_CFLAGS}\" CFLAGS_OPTIMIZE=\"-O${GCC_OPTIMIZATION_LEVEL}\" SYMROOT=\"${BUILT_PRODUCTS_DIR}\" OBJ_DIR=\"${OBJECT_FILE_DIR}\" INSTALL_ROOT=\"${DSTROOT}\" PREFIX=\"${PREFIX}\" BINDIR=\"${BINDIR}\" LIBDIR=\"${FRAMEWORK_INSTALL_PATH}\" MANDIR=\"${MANDIR}\" EXTRA_CONFIGURE_ARGS=\"${CONFIGURE_ARGS}\" ${EXTRA_MAKE_FLAGS}\nresult=$?\nif [ -e \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" \"${TARGET_BUILD_DIR}/tclsh\"\nfi\nif [ -e \"${BUILT_PRODUCTS_DIR}/tcltest\" ]; then\n\trm -f \"${BUILT_PRODUCTS_DIR}/tcltest\"\nfi\necho \"Done\"\nrm -f \"${SCRIPT_INPUT_FILE_0}\"\nexit ${result}\n";
+			showEnvVarsInLog = 0;
 		};
-		F9A5C5F508F651A2008AE941 /* ShellScript */ = {
+		F9A5C5F508F651A2008AE941 /* Configure Tcl */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2065,12 +1958,14 @@
 				"$(TCL_SRCROOT)/unix/Makefile.in",
 				"$(TCL_SRCROOT)/unix/dltest/Makefile.in",
 			);
+			name = "Configure Tcl";
 			outputPaths = (
 				"$(DERIVED_FILE_DIR)/tcl/tclConfig.sh",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
-			shellScript = "## tcl configure shell script phase\n\ncd \"${TCL_SRCROOT}\"/macosx &&\nif [ configure.ac -nt configure -o ../unix/configure.in -nt configure -o ../unix/tcl.m4 -nt configure -o ../unix/aclocal.m4 -nt configure ]; then\n    echo \"Running autoconf & autoheader in tcl/macosx\"\n    rm -rf autom4te.cache\n    ${AUTOCONF:-${DEVELOPER_DIR}/usr/bin/autoconf} && ${AUTOHEADER:-${DEVELOPER_DIR}/usr/bin/autoheader} || exit $?\n    rm -rf autom4te.cache\nfi\n\ncd \"${DERIVED_FILE_DIR}\" && mkdir -p tcl && cd tcl &&\nif [ \"${TCL_SRCROOT}\"/macosx/configure -nt config.status ]; then\n    echo \"Configuring Tcl\"\n    \"${TCL_SRCROOT}\"/macosx/configure --cache-file=../config.cache --prefix=${PREFIX} --bindir=${BINDIR} --libdir=${LIBDIR} --mandir=${MANDIR} --includedir=${INCLUDEDIR} --disable-shared ${CONFIGURE_ARGS}\nelse\n    ./config.status\nfi\n";
+			shellScript = "## tcl configure shell script phase\n\ncd \"${TCL_SRCROOT}\"/macosx &&\nif [ configure.ac -nt configure -o ../unix/configure.in -nt configure -o ../unix/tcl.m4 -nt configure -o ../unix/aclocal.m4 -nt configure ]; then\n    echo \"Running autoconf & autoheader in tcl/macosx\"\n    rm -rf autom4te.cache\n    ${AUTOCONF:-${DEVELOPER_DIR}/usr/bin/autoconf} && ${AUTOHEADER:-${DEVELOPER_DIR}/usr/bin/autoheader} || exit $?\n    rm -rf autom4te.cache\nfi\n\ncd \"${DERIVED_FILE_DIR}\" && mkdir -p tcl && cd tcl &&\nif [ \"${TCL_SRCROOT}\"/macosx/configure -nt config.status ]; then\n    echo \"Configuring Tcl\"\n    CC=$(xcrun -find ${GCC} || echo ${GCC})\n    \"${TCL_SRCROOT}\"/macosx/configure --cache-file=../config.cache --prefix=${PREFIX} --bindir=${BINDIR} --libdir=${LIBDIR} --mandir=${MANDIR} --includedir=${INCLUDEDIR} --disable-shared CC=${CC} LD=${CC} ${CONFIGURE_ARGS}\nelse\n    ./config.status\nfi\n";
+			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */
 
@@ -2242,6 +2137,7 @@
 				F96D4AD308F272CA004A47F5 /* tclUnixTest.c in Sources */,
 				F96D4AD408F272CA004A47F5 /* tclUnixThrd.c in Sources */,
 				F96D4AD608F272CA004A47F5 /* tclUnixTime.c in Sources */,
+				F9F4415E0C8BAE6F00BCCD67 /* tclDTrace.d in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -2275,18 +2171,9 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.4;
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
-				);
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				PREBINDING = NO;
 			};
 			name = ReleaseUniversal;
@@ -2309,6 +2196,7 @@
 		F93084390BB93D2800CD0B9E /* DebugMemCompile */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2320,8 +2208,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --enable-symbols=all";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugMemCompile;
@@ -2330,9 +2224,15 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
 				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
 				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				OTHER_LDFLAGS = (
 					"$(OTHER_LDFLAGS)",
 					"-lgcov",
@@ -2359,8 +2259,9 @@
 		F9359B280DF212DA00E04F67 /* DebugGCov */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "-notfile http.test";
+				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
@@ -2382,13 +2283,13 @@
 			};
 			name = Release;
 		};
-		F95CC8AE09158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8AE09158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F95CC8B109158F3100EA5ACE /* Debug */ = {
 			isa = XCBuildConfiguration;
@@ -2402,7 +2303,6 @@
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
-				ZERO_LINK = YES;
 			};
 			name = Debug;
 		};
@@ -2413,18 +2313,24 @@
 			};
 			name = Release;
 		};
-		F95CC8B309158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8B309158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F95CC8B609158F3100EA5ACE /* Debug */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = Debug;
@@ -2433,23 +2339,36 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
-				PREBINDING = YES;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
+				PREBINDING = NO;
 			};
 			name = Release;
 		};
-		F95CC8B809158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8B809158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F97258A90A86873D00096C78 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2460,6 +2379,7 @@
 		F97258AA0A86873D00096C78 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2467,19 +2387,21 @@
 			};
 			name = Release;
 		};
-		F97258AB0A86873D00096C78 /* DebugNoFixZL */ = {
+		F97258AB0A86873D00096C78 /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F97258AC0A86873D00096C78 /* ReleaseUniversal */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2487,36 +2409,6 @@
 			};
 			name = ReleaseUniversal;
 		};
-		F97AED080B660A6C00310EA2 /* ReleaseUniversal10.4uSDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleaseUniversal10.4uSDK;
-		};
-		F97AED0F0B660AA300310EA2 /* ReleasePPC10.3.9SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleasePPC10.3.9SDK;
-		};
-		F97AED160B660AF100310EA2 /* ReleasePPC10.2.8SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleasePPC10.2.8SDK;
-		};
 		F97AED1B0B660B2100310EA2 /* Debug64bit */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2535,6 +2427,7 @@
 		F97AED1D0B660B2100310EA2 /* Debug64bit */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2549,7 +2442,7 @@
 				ARCHS = "$(NATIVE_ARCH_64_BIT)";
 				CONFIGURE_ARGS = "--enable-64bit $(CONFIGURE_ARGS)";
 				CPPFLAGS = "-arch $(NATIVE_ARCH_64_BIT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				PREBINDING = NO;
 			};
 			name = Debug64bit;
@@ -2558,8 +2451,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-corefoundation";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugNoCF;
@@ -2582,6 +2481,7 @@
 		F98751320DE7B57E00B1C9EC /* DebugNoCF */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2593,8 +2493,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-threads --disable-corefoundation";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugNoCFUnthreaded;
@@ -2617,6 +2523,7 @@
 		F98751360DE7B5A200B1C9EC /* DebugNoCFUnthreaded */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2624,6 +2531,186 @@
 			};
 			name = DebugNoCFUnthreaded;
 		};
+		F9988AB10D814C6500B6B03B /* Debug gcc40 */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
+			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				GCC_VERSION = 4.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
+				PREBINDING = NO;
+			};
+			name = "Debug gcc40";
+		};
+		F9988AB20D814C6500B6B03B /* Debug gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = "Debug gcc40";
+		};
+		F9988AB30D814C6500B6B03B /* Debug gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CONFIGURE_ARGS = "tcl_cv_cc_visibility_hidden=no $(CONFIGURE_ARGS)";
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"__private_extern__=extern",
+					"$(GCC_PREPROCESSOR_DEFINITIONS)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				PRODUCT_NAME = tcltest;
+			};
+			name = "Debug gcc40";
+		};
+		F9988AB40D814C6500B6B03B /* Debug gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = "Debug gcc40";
+		};
+		F9988AB50D814C7500B6B03B /* Debug llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
+			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				GCC = "llvm-gcc";
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
+				PREBINDING = NO;
+			};
+			name = "Debug llvm-gcc";
+		};
+		F9988AB60D814C7500B6B03B /* Debug llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = "Debug llvm-gcc";
+		};
+		F9988AB70D814C7500B6B03B /* Debug llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CONFIGURE_ARGS = "tcl_cv_cc_visibility_hidden=no $(CONFIGURE_ARGS)";
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"__private_extern__=extern",
+					"$(GCC_PREPROCESSOR_DEFINITIONS)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				PRODUCT_NAME = tcltest;
+			};
+			name = "Debug llvm-gcc";
+		};
+		F9988AB80D814C7500B6B03B /* Debug llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = "Debug llvm-gcc";
+		};
+		F9988BB10D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				GCC_VERSION = 4.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				PREBINDING = NO;
+			};
+			name = "ReleaseUniversal gcc40";
+		};
+		F9988BB20D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = "ReleaseUniversal gcc40";
+		};
+		F9988BB30D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tcltest;
+			};
+			name = "ReleaseUniversal gcc40";
+		};
+		F9988BB40D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = "ReleaseUniversal gcc40";
+		};
+		F9988BB50D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				GCC = "llvm-gcc";
+				GCC_OPTIMIZATION_LEVEL = 4;
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				PREBINDING = NO;
+			};
+			name = "ReleaseUniversal llvm-gcc";
+		};
+		F9988BB60D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = "ReleaseUniversal llvm-gcc";
+		};
+		F9988BB70D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tcltest;
+			};
+			name = "ReleaseUniversal llvm-gcc";
+		};
+		F9988BB80D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = "ReleaseUniversal llvm-gcc";
+		};
 		F99EE73B0BE835310060D4AF /* DebugUnthreaded */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2657,6 +2744,7 @@
 		F99EE73F0BE835310060D4AF /* DebugUnthreaded */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2667,6 +2755,7 @@
 		F99EE7400BE835310060D4AF /* DebugLeaks */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
 				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
@@ -2678,8 +2767,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-threads";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugUnthreaded;
@@ -2688,116 +2783,59 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					PURIFY,
 					"$(GCC_PREPROCESSOR_DEFINITIONS)",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugLeaks;
 		};
-		F9DB62080B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
+		F9EEED960C2FEFD300396116 /* ReleaseUniversal10.5SDK */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = ReleaseUniversal10.4uSDK;
+			name = ReleaseUniversal10.5SDK;
 		};
-		F9DB62090B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
+		F9EEED970C2FEFD300396116 /* ReleaseUniversal10.5SDK */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = ReleaseUniversal10.4uSDK;
+			name = ReleaseUniversal10.5SDK;
 		};
-		F9DB620A0B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
+		F9EEED980C2FEFD300396116 /* ReleaseUniversal10.5SDK */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
-				CPPFLAGS = "-isysroot $(SDKROOT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.4;
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
-				);
-				PREBINDING = NO;
-				SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
-			};
-			name = ReleaseUniversal10.4uSDK;
-		};
-		F9DB621F0B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				LDFLAGS = "-force_cpusubtype_ALL $(LDFLAGS)";
-				PRODUCT_NAME = tclsh;
-				SKIP_INSTALL = NO;
-			};
-			name = ReleasePPC10.3.9SDK;
-		};
-		F9DB62200B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tcltest;
-			};
-			name = ReleasePPC10.3.9SDK;
-		};
-		F9DB62210B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
-			isa = XCBuildConfiguration;
-			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
-			buildSettings = {
-				ARCHS = ppc;
-				CFLAGS = "$(PER_ARCH_CFLAGS_ppc) $(CFLAGS)";
-				CPPFLAGS = "-arch ppc -isysroot $(SDKROOT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.3;
-				PREBINDING = YES;
-				SDKROOT = /Developer/SDKs/MacOSX10.3.9.sdk;
-			};
-			name = ReleasePPC10.3.9SDK;
-		};
-		F9DB62350B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tclsh;
-				SKIP_INSTALL = NO;
-			};
-			name = ReleasePPC10.2.8SDK;
-		};
-		F9DB62360B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tcltest;
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = ReleasePPC10.2.8SDK;
+			name = ReleaseUniversal10.5SDK;
 		};
-		F9DB62370B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
+		F9EEED990C2FEFD300396116 /* ReleaseUniversal10.5SDK */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = ppc;
-				CFLAGS = "$(PER_ARCH_CFLAGS_ppc) -fconstant-cfstrings $(CFLAGS)";
-				CPPFLAGS = "-arch ppc -D__CONSTANT_CFSTRINGS__ -DMAC_OS_X_VERSION_MIN_REQUIRED=1020 -nostdinc -isystem $(SDKROOT)/usr/include/gcc/darwin/$(GCC_VERSION) -isystem $(SDKROOT)/usr/include -F$(SDKROOT)/System/Library/Frameworks";
-				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC = /usr/bin/gcc;
-				GCC_VERSION = 3.3;
-				LDFLAGS = "-L$(SDKROOT)/usr/lib/gcc/darwin/$(GCC_VERSION) -Wl,-syslibroot,$(SDKROOT)";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
-				PREBINDING = YES;
-				SDKROOT = /Developer/SDKs/MacOSX10.2.8.sdk;
-				WARNING_CFLAGS = (
-					"$(WARNING_CFLAGS_GCC3)",
-					"-Wno-long-double",
-				);
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				CPPFLAGS = "-isysroot $(SDKROOT) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				PREBINDING = NO;
+				SDKROOT = macosx10.5;
 			};
-			name = ReleasePPC10.2.8SDK;
+			name = ReleaseUniversal10.5SDK;
 		};
 /* End XCBuildConfiguration section */
 
@@ -2806,7 +2844,9 @@
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				F95CC8AC09158F3100EA5ACE /* Debug */,
-				F95CC8AE09158F3100EA5ACE /* DebugNoFixZL */,
+				F9988AB60D814C7500B6B03B /* Debug llvm-gcc */,
+				F9988AB20D814C6500B6B03B /* Debug gcc40 */,
+				F95CC8AE09158F3100EA5ACE /* DebugNoFixAndContinue */,
 				F99EE73B0BE835310060D4AF /* DebugUnthreaded */,
 				F98751300DE7B57E00B1C9EC /* DebugNoCF */,
 				F98751340DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
@@ -2816,9 +2856,9 @@
 				F97AED1B0B660B2100310EA2 /* Debug64bit */,
 				F95CC8AD09158F3100EA5ACE /* Release */,
 				F91BCC4F093152310042A6BF /* ReleaseUniversal */,
-				F9DB62080B65ADA800A370FB /* ReleaseUniversal10.4uSDK */,
-				F9DB621F0B65AFDE00A370FB /* ReleasePPC10.3.9SDK */,
-				F9DB62350B65B03A00A370FB /* ReleasePPC10.2.8SDK */,
+				F9988BB60D81587400B6B03B /* ReleaseUniversal llvm-gcc */,
+				F9988BB20D81586D00B6B03B /* ReleaseUniversal gcc40 */,
+				F9EEED960C2FEFD300396116 /* ReleaseUniversal10.5SDK */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Debug;
@@ -2827,7 +2867,9 @@
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				F95CC8B109158F3100EA5ACE /* Debug */,
-				F95CC8B309158F3100EA5ACE /* DebugNoFixZL */,
+				F9988AB70D814C7500B6B03B /* Debug llvm-gcc */,
+				F9988AB30D814C6500B6B03B /* Debug gcc40 */,
+				F95CC8B309158F3100EA5ACE /* DebugNoFixAndContinue */,
 				F99EE73D0BE835310060D4AF /* DebugUnthreaded */,
 				F98751310DE7B57E00B1C9EC /* DebugNoCF */,
 				F98751350DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
@@ -2837,9 +2879,9 @@
 				F97AED1C0B660B2100310EA2 /* Debug64bit */,
 				F95CC8B209158F3100EA5ACE /* Release */,
 				F91BCC50093152310042A6BF /* ReleaseUniversal */,
-				F9DB62090B65ADA800A370FB /* ReleaseUniversal10.4uSDK */,
-				F9DB62200B65AFDE00A370FB /* ReleasePPC10.3.9SDK */,
-				F9DB62360B65B03A00A370FB /* ReleasePPC10.2.8SDK */,
+				F9988BB70D81587400B6B03B /* ReleaseUniversal llvm-gcc */,
+				F9988BB30D81586D00B6B03B /* ReleaseUniversal gcc40 */,
+				F9EEED970C2FEFD300396116 /* ReleaseUniversal10.5SDK */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Debug;
@@ -2848,7 +2890,9 @@
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				F95CC8B609158F3100EA5ACE /* Debug */,
-				F95CC8B809158F3100EA5ACE /* DebugNoFixZL */,
+				F9988AB50D814C7500B6B03B /* Debug llvm-gcc */,
+				F9988AB10D814C6500B6B03B /* Debug gcc40 */,
+				F95CC8B809158F3100EA5ACE /* DebugNoFixAndContinue */,
 				F99EE7410BE835310060D4AF /* DebugUnthreaded */,
 				F987512F0DE7B57E00B1C9EC /* DebugNoCF */,
 				F98751330DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
@@ -2858,9 +2902,9 @@
 				F97AED1E0B660B2100310EA2 /* Debug64bit */,
 				F95CC8B709158F3100EA5ACE /* Release */,
 				F91BCC51093152310042A6BF /* ReleaseUniversal */,
-				F9DB620A0B65ADA800A370FB /* ReleaseUniversal10.4uSDK */,
-				F9DB62210B65AFDE00A370FB /* ReleasePPC10.3.9SDK */,
-				F9DB62370B65B03A00A370FB /* ReleasePPC10.2.8SDK */,
+				F9988BB50D81587400B6B03B /* ReleaseUniversal llvm-gcc */,
+				F9988BB10D81586D00B6B03B /* ReleaseUniversal gcc40 */,
+				F9EEED990C2FEFD300396116 /* ReleaseUniversal10.5SDK */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Debug;
@@ -2869,7 +2913,9 @@
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				F97258A90A86873D00096C78 /* Debug */,
-				F97258AB0A86873D00096C78 /* DebugNoFixZL */,
+				F9988AB80D814C7500B6B03B /* Debug llvm-gcc */,
+				F9988AB40D814C6500B6B03B /* Debug gcc40 */,
+				F97258AB0A86873D00096C78 /* DebugNoFixAndContinue */,
 				F99EE73F0BE835310060D4AF /* DebugUnthreaded */,
 				F98751320DE7B57E00B1C9EC /* DebugNoCF */,
 				F98751360DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
@@ -2879,9 +2925,9 @@
 				F97AED1D0B660B2100310EA2 /* Debug64bit */,
 				F97258AA0A86873D00096C78 /* Release */,
 				F97258AC0A86873D00096C78 /* ReleaseUniversal */,
-				F97AED080B660A6C00310EA2 /* ReleaseUniversal10.4uSDK */,
-				F97AED0F0B660AA300310EA2 /* ReleasePPC10.3.9SDK */,
-				F97AED160B660AF100310EA2 /* ReleasePPC10.2.8SDK */,
+				F9988BB80D81587400B6B03B /* ReleaseUniversal llvm-gcc */,
+				F9988BB40D81586D00B6B03B /* ReleaseUniversal gcc40 */,
+				F9EEED980C2FEFD300396116 /* ReleaseUniversal10.5SDK */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Debug;
diff --git a/macosx/Tcl.xcodeproj/default.pbxuser b/macosx/Tcl.xcodeproj/default.pbxuser
index 45224d6..0399c7b 100644
--- a/macosx/Tcl.xcodeproj/default.pbxuser
+++ b/macosx/Tcl.xcodeproj/default.pbxuser
@@ -10,13 +10,10 @@
 			F944EB8F08F798100049FDD4 /* tcltest */,
 		);
 		perUserDictionary = {
-			com.apple.ide.smrt.PBXUserSmartGroupsKey.Rev10 = <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>;
+			com.apple.ide.smrt.PBXUserSmartGroupsKey.Rev10 = <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>;
 		};
 		sourceControlManager = F944EB9C08F798180049FDD4 /* Source Control */;
 		userBuildSettings = {
-			AUTOCONF = "/usr/local/bin/autoconf-2.59";
-			AUTOHEADER = "/usr/local/bin/autoheader-2.59";
-			CODE_SIGN_IDENTITY = "";
 			SYMROOT = "${SRCROOT}/../../build/tcl";
 			TCL_SRCROOT = "${SRCROOT}/../../tcl";
 		};
@@ -66,6 +63,9 @@
 			};
 		};
 		customDataFormattersEnabled = 1;
+		dataTipCustomDataFormattersEnabled = 1;
+		dataTipShowTypeColumn = 1;
+		dataTipSortType = 0;
 		debuggerPlugin = GDBDebugging;
 		disassemblyDisplayState = 0;
 		dylibVariantSuffix = "";
@@ -120,6 +120,7 @@
 		executableUserSymbolLevel = 0;
 		libgmallocEnabled = 0;
 		name = tcltest;
+		showTypeColumn = 0;
 		sourceDirectories = (
 		);
 	};
@@ -127,10 +128,16 @@
 		isa = PBXSourceControlManager;
 		fallbackIsa = XCSourceControlManager;
 		isSCMEnabled = 0;
+		repositoryNamesForRoots = {
+			.. = "";
+		};
 		scmConfiguration = {
 			CVSToolPath = /usr/bin/cvs;
 			CVSUseSSH = NO;
 			SubversionToolPath = /usr/bin/svn;
+			repositoryNamesForRoots = {
+				.. = "";
+			};
 		};
 		scmType = scm.cvs;
 	};
@@ -180,6 +187,9 @@
 			};
 		};
 		customDataFormattersEnabled = 1;
+		dataTipCustomDataFormattersEnabled = 1;
+		dataTipShowTypeColumn = 1;
+		dataTipSortType = 0;
 		debuggerPlugin = GDBDebugging;
 		disassemblyDisplayState = 0;
 		dylibVariantSuffix = _debug;
@@ -194,6 +204,7 @@
 		executableUserSymbolLevel = 0;
 		libgmallocEnabled = 0;
 		name = tclsh;
+		showTypeColumn = 0;
 		sourceDirectories = (
 		);
 	};
diff --git a/macosx/Tcl.xcodeproj/project.pbxproj b/macosx/Tcl.xcodeproj/project.pbxproj
index 124e933..1b22535 100644
--- a/macosx/Tcl.xcodeproj/project.pbxproj
+++ b/macosx/Tcl.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 45;
+	objectVersion = 46;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -148,7 +148,7 @@
 		F96D49A908F272C4004A47F5 /* tclMacOSXBundle.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D433908F272B5004A47F5 /* tclMacOSXBundle.c */; };
 		F96D49AD08F272C4004A47F5 /* tclMacOSXFCmd.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D433D08F272B5004A47F5 /* tclMacOSXFCmd.c */; };
 		F96D49AE08F272C4004A47F5 /* tclMacOSXNotify.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D433E08F272B5004A47F5 /* tclMacOSXNotify.c */; };
-		F96D4AC608F272C9004A47F5 /* tclLoadDyld.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445B08F272B9004A47F5 /* tclLoadDyld.c */; };
+		F96D4AC608F272C9004A47F5 /* tclLoadDyld.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445B08F272B9004A47F5 /* tclLoadDyld.c */; settings = {COMPILER_FLAGS = "-Wno-deprecated-declarations"; }; };
 		F96D4ACA08F272C9004A47F5 /* tclUnixChan.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445F08F272B9004A47F5 /* tclUnixChan.c */; };
 		F96D4ACB08F272C9004A47F5 /* tclUnixEvent.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D446008F272B9004A47F5 /* tclUnixEvent.c */; };
 		F96D4ACC08F272C9004A47F5 /* tclUnixFCmd.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D446108F272B9004A47F5 /* tclUnixFCmd.c */; };
@@ -194,10 +194,8 @@
 		F9183E6A0EFC81560030B814 /* README */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 		F9183E8F0EFC817B0030B814 /* tdbc */ = {isa = PBXFileReference; lastKnownFileType = folder; path = tdbc; sourceTree = "<group>"; };
 		F91DC23C0E44C51B002CB8D1 /* nre.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = nre.test; sourceTree = "<group>"; };
-		F91DC23D0E44C530002CB8D1 /* unsupported.test */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = unsupported.test; sourceTree = "<group>"; };
 		F91E62260C1AE686006C9D96 /* Tclsh-Info.plist.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xml; path = "Tclsh-Info.plist.in"; sourceTree = "<group>"; };
 		F92D7F100DE777240033A13A /* tsdPerf.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tsdPerf.tcl; sourceTree = "<group>"; };
-		F92D7F140DE777670033A13A /* tsdPerf.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tsdPerf.c; sourceTree = "<group>"; };
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 		F93599B40DF1F75900E04F67 /* tclOO.decls */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tclOO.decls; sourceTree = "<group>"; };
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@@ -221,6 +219,7 @@
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@@ -559,18 +558,10 @@
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@@ -578,7 +569,6 @@
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@@ -586,104 +576,49 @@
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 		F96D42C208F272B3004A47F5 /* bn_mp_sub_d.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_sub_d.c; sourceTree = "<group>"; };
-		F96D42C308F272B3004A47F5 /* bn_mp_submod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_submod.c; sourceTree = "<group>"; };
-		F96D42C408F272B3004A47F5 /* bn_mp_to_signed_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_signed_bin.c; sourceTree = "<group>"; };
-		F96D42C508F272B3004A47F5 /* bn_mp_to_signed_bin_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_signed_bin_n.c; sourceTree = "<group>"; };
 		F96D42C608F272B3004A47F5 /* bn_mp_to_unsigned_bin.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_unsigned_bin.c; sourceTree = "<group>"; };
 		F96D42C708F272B3004A47F5 /* bn_mp_to_unsigned_bin_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_to_unsigned_bin_n.c; sourceTree = "<group>"; };
 		F96D42C808F272B3004A47F5 /* bn_mp_toom_mul.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toom_mul.c; sourceTree = "<group>"; };
 		F96D42C908F272B3004A47F5 /* bn_mp_toom_sqr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toom_sqr.c; sourceTree = "<group>"; };
-		F96D42CA08F272B3004A47F5 /* bn_mp_toradix.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toradix.c; sourceTree = "<group>"; };
 		F96D42CB08F272B3004A47F5 /* bn_mp_toradix_n.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_toradix_n.c; sourceTree = "<group>"; };
 		F96D42CC08F272B3004A47F5 /* bn_mp_unsigned_bin_size.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_unsigned_bin_size.c; sourceTree = "<group>"; };
 		F96D42CD08F272B3004A47F5 /* bn_mp_xor.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_xor.c; sourceTree = "<group>"; };
 		F96D42CE08F272B3004A47F5 /* bn_mp_zero.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_mp_zero.c; sourceTree = "<group>"; };
-		F96D42CF08F272B3004A47F5 /* bn_prime_tab.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_prime_tab.c; sourceTree = "<group>"; };
 		F96D42D008F272B3004A47F5 /* bn_reverse.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_reverse.c; sourceTree = "<group>"; };
 		F96D42D108F272B3004A47F5 /* bn_s_mp_add.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_add.c; sourceTree = "<group>"; };
-		F96D42D208F272B3004A47F5 /* bn_s_mp_exptmod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_exptmod.c; sourceTree = "<group>"; };
 		F96D42D308F272B3004A47F5 /* bn_s_mp_mul_digs.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_mul_digs.c; sourceTree = "<group>"; };
-		F96D42D408F272B3004A47F5 /* bn_s_mp_mul_high_digs.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_mul_high_digs.c; sourceTree = "<group>"; };
 		F96D42D508F272B3004A47F5 /* bn_s_mp_sqr.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_sqr.c; sourceTree = "<group>"; };
 		F96D42D608F272B3004A47F5 /* bn_s_mp_sub.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bn_s_mp_sub.c; sourceTree = "<group>"; };
 		F96D42D708F272B3004A47F5 /* bncore.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bncore.c; sourceTree = "<group>"; };
-		F96D42D908F272B3004A47F5 /* callgraph.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = callgraph.txt; sourceTree = "<group>"; };
-		F96D42DA08F272B3004A47F5 /* changes.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = changes.txt; sourceTree = "<group>"; };
-		F96D42F008F272B3004A47F5 /* LICENSE */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = LICENSE; sourceTree = "<group>"; };
-		F96D431D08F272B4004A47F5 /* poster.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; path = poster.pdf; sourceTree = "<group>"; };
-		F96D432608F272B4004A47F5 /* tommath.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; path = tommath.pdf; sourceTree = "<group>"; };
 		F96D432908F272B4004A47F5 /* tommath_class.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tommath_class.h; sourceTree = "<group>"; };
 		F96D432A08F272B4004A47F5 /* tommath_superclass.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tommath_superclass.h; sourceTree = "<group>"; };
 		F96D432B08F272B4004A47F5 /* license.terms */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = license.terms; sourceTree = "<group>"; };
@@ -737,7 +672,7 @@
 		F96D436E08F272B6004A47F5 /* get.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = get.test; sourceTree = "<group>"; };
 		F96D436F08F272B6004A47F5 /* history.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = history.test; sourceTree = "<group>"; };
 		F96D437008F272B6004A47F5 /* http.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = http.test; sourceTree = "<group>"; };
-		F96D437108F272B6004A47F5 /* httpd */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = httpd; sourceTree = "<group>"; };
+		F96D437108F272B6004A47F5 /* httpd */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpd; sourceTree = "<group>"; };
 		F96D437208F272B6004A47F5 /* httpold.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpold.test; sourceTree = "<group>"; };
 		F96D437308F272B6004A47F5 /* if-old.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = "if-old.test"; sourceTree = "<group>"; };
 		F96D437408F272B6004A47F5 /* if.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = if.test; sourceTree = "<group>"; };
@@ -850,10 +785,8 @@
 		F96D443108F272B8004A47F5 /* man2tcl.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = man2tcl.c; sourceTree = "<group>"; };
 		F96D443208F272B8004A47F5 /* README */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 		F96D443308F272B8004A47F5 /* regexpTestLib.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = regexpTestLib.tcl; sourceTree = "<group>"; };
-		F96D443408F272B8004A47F5 /* str2c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.script.sh; path = str2c; sourceTree = "<group>"; };
 		F96D443508F272B8004A47F5 /* tcl.hpj.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.hpj.in; sourceTree = "<group>"; };
 		F96D443608F272B8004A47F5 /* tcl.wse.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.wse.in; sourceTree = "<group>"; };
-		F96D443708F272B9004A47F5 /* tclmin.wse */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tclmin.wse; sourceTree = "<group>"; };
 		F96D443908F272B9004A47F5 /* tcltk-man2html.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = "tcltk-man2html.tcl"; sourceTree = "<group>"; };
 		F96D443A08F272B9004A47F5 /* tclZIC.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tclZIC.tcl; sourceTree = "<group>"; };
 		F96D443B08F272B9004A47F5 /* uniClass.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = uniClass.tcl; sourceTree = "<group>"; };
@@ -941,6 +874,13 @@
 		F96D449808F272BA004A47F5 /* tclWinThrd.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclWinThrd.c; sourceTree = "<group>"; };
 		F96D449908F272BA004A47F5 /* tclWinThrd.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclWinThrd.h; sourceTree = "<group>"; };
 		F96D449A08F272BA004A47F5 /* tclWinTime.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclWinTime.c; sourceTree = "<group>"; };
+		F974D56C0FBE7D6300BF728B /* http11.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = http11.test; sourceTree = "<group>"; };
+		F974D56D0FBE7D6300BF728B /* httpd11.tcl */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = httpd11.tcl; sourceTree = "<group>"; };
+		F974D5720FBE7DC600BF728B /* coroutine.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = coroutine.n; sourceTree = "<group>"; };
+		F974D5760FBE7E1900BF728B /* tailcall.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = tailcall.n; sourceTree = "<group>"; };
+		F974D5770FBE7E6100BF728B /* coroutine.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = coroutine.test; sourceTree = "<group>"; };
+		F974D5780FBE7E6100BF728B /* tailcall.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tailcall.test; sourceTree = "<group>"; };
+		F974D5790FBE7E9C00BF728B /* tcl.pc.in */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = tcl.pc.in; sourceTree = "<group>"; };
 		F97AE7F10B65C1E900310EA2 /* Tcl-Common.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Common.xcconfig"; sourceTree = "<group>"; };
 		F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Release.xcconfig"; sourceTree = "<group>"; };
 		F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = "Tcl-Debug.xcconfig"; sourceTree = "<group>"; };
@@ -981,7 +921,7 @@
 				F966C06F08F281DC005CB29B /* Frameworks */,
 				1AB674ADFE9D54B511CA2CBB /* Products */,
 			);
-			comments = "Copyright (c) 2004-2008 Daniel A. Steffen <das@users.sourceforge.net>\n\nSee the file \"license.terms\" for information on usage and redistribution of\nthis file, and for a DISCLAIMER OF ALL WARRANTIES.\n\nRCS: @(#) $Id: project.pbxproj,v 1.43 2008/12/20 01:56:40 das Exp $\n";
+			comments = "Copyright (c) 2004-2009 Daniel A. Steffen <das@users.sourceforge.net>\nCopyright 2008-2009, Apple Inc.\n\nSee the file \"license.terms\" for information on usage and redistribution of\nthis file, and for a DISCLAIMER OF ALL WARRANTIES.\n\nRCS: @(#) $Id: project.pbxproj,v 1.44 2009/06/26 18:14:25 das Exp $\n";
 			name = Tcl;
 			path = .;
 			sourceTree = SOURCE_ROOT;
@@ -1001,6 +941,7 @@
 			isa = PBXGroup;
 			children = (
 				F9183E6A0EFC81560030B814 /* README */,
+				F946FB8B0FBE3AED00CD6495 /* itcl */,
 				F9183E8F0EFC817B0030B814 /* tdbc */,
 			);
 			path = pkgs;
@@ -1071,6 +1012,7 @@
 				F96D3E1808F272A5004A47F5 /* concat.n */,
 				F96D3E1908F272A5004A47F5 /* continue.n */,
 				F93599D20DF1F8DF00E04F67 /* copy.n */,
+				F974D5720FBE7DC600BF728B /* coroutine.n */,
 				F96D3E1A08F272A5004A47F5 /* CrtChannel.3 */,
 				F96D3E1B08F272A5004A47F5 /* CrtChnlHdlr.3 */,
 				F96D3E1C08F272A5004A47F5 /* CrtCloseHdlr.3 */,
@@ -1226,6 +1168,7 @@
 				F96D3EAA08F272A7004A47F5 /* subst.n */,
 				F96D3EAB08F272A7004A47F5 /* SubstObj.3 */,
 				F96D3EAC08F272A7004A47F5 /* switch.n */,
+				F974D5760FBE7E1900BF728B /* tailcall.n */,
 				F96D3EAD08F272A7004A47F5 /* Tcl.n */,
 				F99D61180EF5573A00BBFE01 /* TclZlib.3 */,
 				F96D3EAE08F272A7004A47F5 /* Tcl_Main.3 */,
@@ -1481,18 +1424,10 @@
 		F96D425C08F272B2004A47F5 /* libtommath */ = {
 			isa = PBXGroup;
 			children = (
-				F96D425F08F272B3004A47F5 /* bn.pdf */,
-				F96D426108F272B3004A47F5 /* bn_error.c */,
-				F96D426208F272B3004A47F5 /* bn_fast_mp_invmod.c */,
-				F96D426308F272B3004A47F5 /* bn_fast_mp_montgomery_reduce.c */,
 				F96D426408F272B3004A47F5 /* bn_fast_s_mp_mul_digs.c */,
-				F96D426508F272B3004A47F5 /* bn_fast_s_mp_mul_high_digs.c */,
 				F96D426608F272B3004A47F5 /* bn_fast_s_mp_sqr.c */,
-				F96D426708F272B3004A47F5 /* bn_mp_2expt.c */,
-				F96D426808F272B3004A47F5 /* bn_mp_abs.c */,
 				F96D426908F272B3004A47F5 /* bn_mp_add.c */,
 				F96D426A08F272B3004A47F5 /* bn_mp_add_d.c */,
-				F96D426B08F272B3004A47F5 /* bn_mp_addmod.c */,
 				F96D426C08F272B3004A47F5 /* bn_mp_and.c */,
 				F96D426D08F272B3004A47F5 /* bn_mp_clamp.c */,
 				F96D426E08F272B3004A47F5 /* bn_mp_clear.c */,
@@ -1500,7 +1435,6 @@
 				F96D427008F272B3004A47F5 /* bn_mp_cmp.c */,
 				F96D427108F272B3004A47F5 /* bn_mp_cmp_d.c */,
 				F96D427208F272B3004A47F5 /* bn_mp_cmp_mag.c */,
-				F96D427308F272B3004A47F5 /* bn_mp_cnt_lsb.c */,
 				F96D427408F272B3004A47F5 /* bn_mp_copy.c */,
 				F96D427508F272B3004A47F5 /* bn_mp_count_bits.c */,
 				F96D427608F272B3004A47F5 /* bn_mp_div.c */,
@@ -1508,104 +1442,49 @@
 				F96D427808F272B3004A47F5 /* bn_mp_div_2d.c */,
 				F96D427908F272B3004A47F5 /* bn_mp_div_3.c */,
 				F96D427A08F272B3004A47F5 /* bn_mp_div_d.c */,
-				F96D427B08F272B3004A47F5 /* bn_mp_dr_is_modulus.c */,
-				F96D427C08F272B3004A47F5 /* bn_mp_dr_reduce.c */,
-				F96D427D08F272B3004A47F5 /* bn_mp_dr_setup.c */,
 				F96D427E08F272B3004A47F5 /* bn_mp_exch.c */,
 				F96D427F08F272B3004A47F5 /* bn_mp_expt_d.c */,
-				F96D428008F272B3004A47F5 /* bn_mp_exptmod.c */,
-				F96D428108F272B3004A47F5 /* bn_mp_exptmod_fast.c */,
-				F96D428208F272B3004A47F5 /* bn_mp_exteuclid.c */,
-				F96D428308F272B3004A47F5 /* bn_mp_fread.c */,
-				F96D428408F272B3004A47F5 /* bn_mp_fwrite.c */,
-				F96D428508F272B3004A47F5 /* bn_mp_gcd.c */,
-				F96D428608F272B3004A47F5 /* bn_mp_get_int.c */,
 				F96D428708F272B3004A47F5 /* bn_mp_grow.c */,
 				F96D428808F272B3004A47F5 /* bn_mp_init.c */,
 				F96D428908F272B3004A47F5 /* bn_mp_init_copy.c */,
 				F96D428A08F272B3004A47F5 /* bn_mp_init_multi.c */,
 				F96D428B08F272B3004A47F5 /* bn_mp_init_set.c */,
-				F96D428C08F272B3004A47F5 /* bn_mp_init_set_int.c */,
 				F96D428D08F272B3004A47F5 /* bn_mp_init_size.c */,
-				F96D428E08F272B3004A47F5 /* bn_mp_invmod.c */,
-				F96D428F08F272B3004A47F5 /* bn_mp_invmod_slow.c */,
-				F96D429008F272B3004A47F5 /* bn_mp_is_square.c */,
-				F96D429108F272B3004A47F5 /* bn_mp_jacobi.c */,
 				F96D429208F272B3004A47F5 /* bn_mp_karatsuba_mul.c */,
 				F96D429308F272B3004A47F5 /* bn_mp_karatsuba_sqr.c */,
-				F96D429408F272B3004A47F5 /* bn_mp_lcm.c */,
 				F96D429508F272B3004A47F5 /* bn_mp_lshd.c */,
 				F96D429608F272B3004A47F5 /* bn_mp_mod.c */,
 				F96D429708F272B3004A47F5 /* bn_mp_mod_2d.c */,
-				F96D429808F272B3004A47F5 /* bn_mp_mod_d.c */,
-				F96D429908F272B3004A47F5 /* bn_mp_montgomery_calc_normalization.c */,
-				F96D429A08F272B3004A47F5 /* bn_mp_montgomery_reduce.c */,
-				F96D429B08F272B3004A47F5 /* bn_mp_montgomery_setup.c */,
 				F96D429C08F272B3004A47F5 /* bn_mp_mul.c */,
 				F96D429D08F272B3004A47F5 /* bn_mp_mul_2.c */,
 				F96D429E08F272B3004A47F5 /* bn_mp_mul_2d.c */,
 				F96D429F08F272B3004A47F5 /* bn_mp_mul_d.c */,
-				F96D42A008F272B3004A47F5 /* bn_mp_mulmod.c */,
-				F96D42A108F272B3004A47F5 /* bn_mp_n_root.c */,
 				F96D42A208F272B3004A47F5 /* bn_mp_neg.c */,
 				F96D42A308F272B3004A47F5 /* bn_mp_or.c */,
-				F96D42A408F272B3004A47F5 /* bn_mp_prime_fermat.c */,
-				F96D42A508F272B3004A47F5 /* bn_mp_prime_is_divisible.c */,
-				F96D42A608F272B3004A47F5 /* bn_mp_prime_is_prime.c */,
-				F96D42A708F272B3004A47F5 /* bn_mp_prime_miller_rabin.c */,
-				F96D42A808F272B3004A47F5 /* bn_mp_prime_next_prime.c */,
-				F96D42A908F272B3004A47F5 /* bn_mp_prime_rabin_miller_trials.c */,
-				F96D42AA08F272B3004A47F5 /* bn_mp_prime_random_ex.c */,
 				F96D42AB08F272B3004A47F5 /* bn_mp_radix_size.c */,
 				F96D42AC08F272B3004A47F5 /* bn_mp_radix_smap.c */,
-				F96D42AD08F272B3004A47F5 /* bn_mp_rand.c */,
 				F96D42AE08F272B3004A47F5 /* bn_mp_read_radix.c */,
-				F96D42AF08F272B3004A47F5 /* bn_mp_read_signed_bin.c */,
-				F96D42B008F272B3004A47F5 /* bn_mp_read_unsigned_bin.c */,
-				F96D42B108F272B3004A47F5 /* bn_mp_reduce.c */,
-				F96D42B208F272B3004A47F5 /* bn_mp_reduce_2k.c */,
-				F96D42B308F272B3004A47F5 /* bn_mp_reduce_2k_l.c */,
-				F96D42B408F272B3004A47F5 /* bn_mp_reduce_2k_setup.c */,
-				F96D42B508F272B3004A47F5 /* bn_mp_reduce_2k_setup_l.c */,
-				F96D42B608F272B3004A47F5 /* bn_mp_reduce_is_2k.c */,
-				F96D42B708F272B3004A47F5 /* bn_mp_reduce_is_2k_l.c */,
-				F96D42B808F272B3004A47F5 /* bn_mp_reduce_setup.c */,
 				F96D42B908F272B3004A47F5 /* bn_mp_rshd.c */,
 				F96D42BA08F272B3004A47F5 /* bn_mp_set.c */,
-				F96D42BB08F272B3004A47F5 /* bn_mp_set_int.c */,
 				F96D42BC08F272B3004A47F5 /* bn_mp_shrink.c */,
-				F96D42BD08F272B3004A47F5 /* bn_mp_signed_bin_size.c */,
 				F96D42BE08F272B3004A47F5 /* bn_mp_sqr.c */,
-				F96D42BF08F272B3004A47F5 /* bn_mp_sqrmod.c */,
 				F96D42C008F272B3004A47F5 /* bn_mp_sqrt.c */,
 				F96D42C108F272B3004A47F5 /* bn_mp_sub.c */,
 				F96D42C208F272B3004A47F5 /* bn_mp_sub_d.c */,
-				F96D42C308F272B3004A47F5 /* bn_mp_submod.c */,
-				F96D42C408F272B3004A47F5 /* bn_mp_to_signed_bin.c */,
-				F96D42C508F272B3004A47F5 /* bn_mp_to_signed_bin_n.c */,
 				F96D42C608F272B3004A47F5 /* bn_mp_to_unsigned_bin.c */,
 				F96D42C708F272B3004A47F5 /* bn_mp_to_unsigned_bin_n.c */,
 				F96D42C808F272B3004A47F5 /* bn_mp_toom_mul.c */,
 				F96D42C908F272B3004A47F5 /* bn_mp_toom_sqr.c */,
-				F96D42CA08F272B3004A47F5 /* bn_mp_toradix.c */,
 				F96D42CB08F272B3004A47F5 /* bn_mp_toradix_n.c */,
 				F96D42CC08F272B3004A47F5 /* bn_mp_unsigned_bin_size.c */,
 				F96D42CD08F272B3004A47F5 /* bn_mp_xor.c */,
 				F96D42CE08F272B3004A47F5 /* bn_mp_zero.c */,
-				F96D42CF08F272B3004A47F5 /* bn_prime_tab.c */,
 				F96D42D008F272B3004A47F5 /* bn_reverse.c */,
 				F96D42D108F272B3004A47F5 /* bn_s_mp_add.c */,
-				F96D42D208F272B3004A47F5 /* bn_s_mp_exptmod.c */,
 				F96D42D308F272B3004A47F5 /* bn_s_mp_mul_digs.c */,
-				F96D42D408F272B3004A47F5 /* bn_s_mp_mul_high_digs.c */,
 				F96D42D508F272B3004A47F5 /* bn_s_mp_sqr.c */,
 				F96D42D608F272B3004A47F5 /* bn_s_mp_sub.c */,
 				F96D42D708F272B3004A47F5 /* bncore.c */,
-				F96D42D908F272B3004A47F5 /* callgraph.txt */,
-				F96D42DA08F272B3004A47F5 /* changes.txt */,
-				F96D42F008F272B3004A47F5 /* LICENSE */,
-				F96D431D08F272B4004A47F5 /* poster.pdf */,
-				F96D432608F272B4004A47F5 /* tommath.pdf */,
 				F96D432908F272B4004A47F5 /* tommath_class.h */,
 				F96D432A08F272B4004A47F5 /* tommath_superclass.h */,
 			);
@@ -1655,6 +1534,7 @@
 				F96D435608F272B5004A47F5 /* compile.test */,
 				F96D435708F272B5004A47F5 /* concat.test */,
 				F96D435808F272B5004A47F5 /* config.test */,
+				F974D5770FBE7E6100BF728B /* coroutine.test */,
 				F96D435908F272B5004A47F5 /* dcall.test */,
 				F96D435A08F272B5004A47F5 /* dict.test */,
 				F96D435C08F272B5004A47F5 /* dstring.test */,
@@ -1677,7 +1557,9 @@
 				F96D436E08F272B6004A47F5 /* get.test */,
 				F96D436F08F272B6004A47F5 /* history.test */,
 				F96D437008F272B6004A47F5 /* http.test */,
+				F974D56C0FBE7D6300BF728B /* http11.test */,
 				F96D437108F272B6004A47F5 /* httpd */,
+				F974D56D0FBE7D6300BF728B /* httpd11.tcl */,
 				F96D437208F272B6004A47F5 /* httpold.test */,
 				F96D437308F272B6004A47F5 /* if-old.test */,
 				F96D437408F272B6004A47F5 /* if.test */,
@@ -1750,6 +1632,7 @@
 				F96D43B408F272B7004A47F5 /* stringObj.test */,
 				F96D43B508F272B7004A47F5 /* subst.test */,
 				F96D43B608F272B7004A47F5 /* switch.test */,
+				F974D5780FBE7E6100BF728B /* tailcall.test */,
 				F96D43B708F272B7004A47F5 /* tcltest.test */,
 				F96D43B808F272B7004A47F5 /* thread.test */,
 				F96D43B908F272B7004A47F5 /* timer.test */,
@@ -1761,7 +1644,6 @@
 				F96D43BF08F272B7004A47F5 /* unixNotfy.test */,
 				F96D43C008F272B7004A47F5 /* unknown.test */,
 				F96D43C108F272B7004A47F5 /* unload.test */,
-				F91DC23D0E44C530002CB8D1 /* unsupported.test */,
 				F96D43C208F272B7004A47F5 /* uplevel.test */,
 				F96D43C308F272B7004A47F5 /* upvar.test */,
 				F96D43C408F272B7004A47F5 /* utf.test */,
@@ -1803,13 +1685,10 @@
 				F96D443108F272B8004A47F5 /* man2tcl.c */,
 				F96D443208F272B8004A47F5 /* README */,
 				F96D443308F272B8004A47F5 /* regexpTestLib.tcl */,
-				F96D443408F272B8004A47F5 /* str2c */,
 				F96D443508F272B8004A47F5 /* tcl.hpj.in */,
 				F96D443608F272B8004A47F5 /* tcl.wse.in */,
-				F96D443708F272B9004A47F5 /* tclmin.wse */,
 				F96D443908F272B9004A47F5 /* tcltk-man2html.tcl */,
 				F96D443A08F272B9004A47F5 /* tclZIC.tcl */,
-				F92D7F140DE777670033A13A /* tsdPerf.c */,
 				F92D7F100DE777240033A13A /* tsdPerf.tcl */,
 				F96D443B08F272B9004A47F5 /* uniClass.tcl */,
 				F96D443C08F272B9004A47F5 /* uniParse.tcl */,
@@ -1830,6 +1709,7 @@
 				F96D445008F272B9004A47F5 /* Makefile.in */,
 				F96D445208F272B9004A47F5 /* README */,
 				F96D445308F272B9004A47F5 /* tcl.m4 */,
+				F974D5790FBE7E9C00BF728B /* tcl.pc.in */,
 				F96D445408F272B9004A47F5 /* tcl.spec */,
 				F96D445508F272B9004A47F5 /* tclAppInit.c */,
 				F96D445608F272B9004A47F5 /* tclConfig.h.in */,
@@ -1940,10 +1820,10 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F95CC8B009158F3100EA5ACE /* Build configuration list for PBXNativeTarget "tcltest" */;
 			buildPhases = (
-				F9A5C5F508F651A2008AE941 /* ShellScript */,
+				F9A5C5F508F651A2008AE941 /* Configure Tcl */,
 				8DD76FAB0486AB0100D96B5E /* Sources */,
 				8DD76FAD0486AB0100D96B5E /* Frameworks */,
-				F95FA74C0B32CE190072E431 /* ShellScript */,
+				F95FA74C0B32CE190072E431 /* Build dltest */,
 			);
 			buildRules = (
 			);
@@ -1959,7 +1839,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F97258A80A86873D00096C78 /* Build configuration list for PBXNativeTarget "tests" */;
 			buildPhases = (
-				F97258A40A86873C00096C78 /* ShellScript */,
+				F97258A40A86873C00096C78 /* Run Testsuite */,
 			);
 			buildRules = (
 			);
@@ -1974,7 +1854,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = F95CC8AB09158F3100EA5ACE /* Build configuration list for PBXNativeTarget "Tcl" */;
 			buildPhases = (
-				F97AF02F0B665DA900310EA2 /* ShellScript */,
+				F97AF02F0B665DA900310EA2 /* Build Tcl */,
 			);
 			buildRules = (
 			);
@@ -1994,7 +1874,7 @@
 				BuildIndependentTargetsInParallel = YES;
 			};
 			buildConfigurationList = F95CC8B509158F3100EA5ACE /* Build configuration list for PBXProject "Tcl" */;
-			compatibilityVersion = "Xcode 3.1";
+			compatibilityVersion = "Xcode 3.2";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* Tcl */;
 			projectDirPath = "";
@@ -2008,7 +1888,7 @@
 /* End PBXProject section */
 
 /* Begin PBXShellScriptBuildPhase section */
-		F95FA74C0B32CE190072E431 /* ShellScript */ = {
+		F95FA74C0B32CE190072E431 /* Build dltest */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2023,6 +1903,7 @@
 				"$(TCL_SRCROOT)/unix/dltest/pkge.c",
 				"$(TCL_SRCROOT)/unix/dltest/pkgua.c",
 			);
+			name = "Build dltest";
 			outputPaths = (
 				"$(DERIVED_FILE_DIR)/tcl/dltest.marker",
 			);
@@ -2031,13 +1912,14 @@
 			shellScript = "## dltest build script phase\n\nrm -f \"${DERIVED_FILE_DIR}/tcl/dltest.marker\"\nmake -C \"${DERIVED_FILE_DIR}/tcl\" dltest.marker\nln -fsh \"${DERIVED_FILE_DIR}/tcl/dltest\" \"${CONFIGURATION_BUILD_DIR}\"\n";
 			showEnvVarsInLog = 0;
 		};
-		F97258A40A86873C00096C78 /* ShellScript */ = {
+		F97258A40A86873C00096C78 /* Run Testsuite */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
 			);
+			name = "Run Testsuite";
 			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -2045,7 +1927,7 @@
 			shellScript = "if [ \"${ACTION:-build}\" == \"build\" ]; then\nif [ -z \"${HOME}\" ]; then export HOME=\"$(echo ~)\"; fi\ncd \"${TARGET_TEMP_DIR}\"; rm -rf \"${DERIVED_FILE_DIR}\"; mkdir -p \"${DERIVED_FILE_DIR}\"\nprintf '%s%s%s%s%s' '\npackage require tcltest 2.2\nnamespace import tcltest::*\nconfigure -testdir [file normalize {' \"${TCL_SRCROOT}\" '/tests}]\nconfigure -tmpdir [file normalize {' \"${DERIVED_FILE_DIR}\" '}]\nconfigure -verbose [concat [configure -verbose] line]\nrunAllTests\n' | \"${TEST_RIG}\"; TEST_RIG_RESULT=$?\n[ ${TEST_RIG_RESULT} -ne 0 ] && echo \"tcltest:0: error: tcltest exited abnormally with code ${TEST_RIG_RESULT}.\"\nexit ${TEST_RIG_RESULT}\nfi";
 			showEnvVarsInLog = 0;
 		};
-		F97AF02F0B665DA900310EA2 /* ShellScript */ = {
+		F97AF02F0B665DA900310EA2 /* Build Tcl */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2053,15 +1935,16 @@
 			inputPaths = (
 				"${TARGET_TEMP_DIR}/.none",
 			);
+			name = "Build Tcl";
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${EXECUTABLE_NAME}",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
-			shellScript = "if [ -e \"${TARGET_BUILD_DIR}/tclsh\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh\" \"${TARGET_BUILD_DIR}/tclsh${VERSION}\"\nfi\ngnumake -C \"${TCL_SRCROOT}/macosx\" -j \"$(sysctl -n hw.activecpu)\" \"$(echo \"${ACTION}\" | sed -e s/build// -e s/clean/distclean/ -e s/..\\*/\\&-/)${MAKE_TARGET}\" CFLAGS_WARNING=\"${WARNING_CFLAGS}\" CFLAGS_OPTIMIZE=\"-O${GCC_OPTIMIZATION_LEVEL}\" SYMROOT=\"${BUILT_PRODUCTS_DIR}\" OBJ_DIR=\"${OBJECT_FILE_DIR}\" INSTALL_ROOT=\"${DSTROOT}\" PREFIX=\"${PREFIX}\" BINDIR=\"${BINDIR}\" LIBDIR=\"${FRAMEWORK_INSTALL_PATH}\" MANDIR=\"${MANDIR}\" EXTRA_CONFIGURE_ARGS=\"${CONFIGURE_ARGS}\" ${EXTRA_MAKE_FLAGS}\nresult=$?\nif [ -e \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" \"${TARGET_BUILD_DIR}/tclsh\"\nfi\nif [ -e \"${BUILT_PRODUCTS_DIR}/tcltest\" ]; then\n\trm -f \"${BUILT_PRODUCTS_DIR}/tcltest\"\nfi\necho \"Done\"\nrm -f \"${SCRIPT_INPUT_FILE_0}\"\nexit ${result}\n";
+			shellScript = "if [ -e \"${TARGET_BUILD_DIR}/tclsh\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh\" \"${TARGET_BUILD_DIR}/tclsh${VERSION}\"\nfi\nexport CC=$(xcrun -find ${GCC} || echo ${GCC}); export LD=${CC}\ngnumake -C \"${TCL_SRCROOT}/macosx\" -j \"$(sysctl -n hw.activecpu)\" \"$(echo \"${ACTION}\" | sed -e s/build// -e s/clean/distclean/ -e s/..\\*/\\&-/)${MAKE_TARGET}\" CFLAGS_WARNING=\"${WARNING_CFLAGS}\" CFLAGS_OPTIMIZE=\"-O${GCC_OPTIMIZATION_LEVEL}\" SYMROOT=\"${BUILT_PRODUCTS_DIR}\" OBJ_DIR=\"${OBJECT_FILE_DIR}\" INSTALL_ROOT=\"${DSTROOT}\" PREFIX=\"${PREFIX}\" BINDIR=\"${BINDIR}\" LIBDIR=\"${FRAMEWORK_INSTALL_PATH}\" MANDIR=\"${MANDIR}\" EXTRA_CONFIGURE_ARGS=\"${CONFIGURE_ARGS}\" ${EXTRA_MAKE_FLAGS}\nresult=$?\nif [ -e \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" ]; then\n    mv -f \"${TARGET_BUILD_DIR}/tclsh${VERSION}\" \"${TARGET_BUILD_DIR}/tclsh\"\nfi\nif [ -e \"${BUILT_PRODUCTS_DIR}/tcltest\" ]; then\n\trm -f \"${BUILT_PRODUCTS_DIR}/tcltest\"\nfi\necho \"Done\"\nrm -f \"${SCRIPT_INPUT_FILE_0}\"\nexit ${result}\n";
 			showEnvVarsInLog = 0;
 		};
-		F9A5C5F508F651A2008AE941 /* ShellScript */ = {
+		F9A5C5F508F651A2008AE941 /* Configure Tcl */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -2075,12 +1958,13 @@
 				"$(TCL_SRCROOT)/unix/Makefile.in",
 				"$(TCL_SRCROOT)/unix/dltest/Makefile.in",
 			);
+			name = "Configure Tcl";
 			outputPaths = (
 				"$(DERIVED_FILE_DIR)/tcl/tclConfig.sh",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/bash;
-			shellScript = "## tcl configure shell script phase\n\ncd \"${TCL_SRCROOT}\"/macosx &&\nif [ configure.ac -nt configure -o ../unix/configure.in -nt configure -o ../unix/tcl.m4 -nt configure -o ../unix/aclocal.m4 -nt configure ]; then\n    echo \"Running autoconf & autoheader in tcl/macosx\"\n    rm -rf autom4te.cache\n    ${AUTOCONF:-${DEVELOPER_DIR}/usr/bin/autoconf} && ${AUTOHEADER:-${DEVELOPER_DIR}/usr/bin/autoheader} || exit $?\n    rm -rf autom4te.cache\nfi\n\ncd \"${DERIVED_FILE_DIR}\" && mkdir -p tcl && cd tcl &&\nif [ \"${TCL_SRCROOT}\"/macosx/configure -nt config.status ]; then\n    echo \"Configuring Tcl\"\n    \"${TCL_SRCROOT}\"/macosx/configure --cache-file=../config.cache --prefix=${PREFIX} --bindir=${BINDIR} --libdir=${LIBDIR} --mandir=${MANDIR} --includedir=${INCLUDEDIR} --disable-shared ${CONFIGURE_ARGS}\nelse\n    ./config.status\nfi\n";
+			shellScript = "## tcl configure shell script phase\n\ncd \"${TCL_SRCROOT}\"/macosx &&\nif [ configure.ac -nt configure -o ../unix/configure.in -nt configure -o ../unix/tcl.m4 -nt configure -o ../unix/aclocal.m4 -nt configure ]; then\n    echo \"Running autoconf & autoheader in tcl/macosx\"\n    rm -rf autom4te.cache\n    ${AUTOCONF:-${DEVELOPER_DIR}/usr/bin/autoconf} && ${AUTOHEADER:-${DEVELOPER_DIR}/usr/bin/autoheader} || exit $?\n    rm -rf autom4te.cache\nfi\n\ncd \"${DERIVED_FILE_DIR}\" && mkdir -p tcl && cd tcl &&\nif [ \"${TCL_SRCROOT}\"/macosx/configure -nt config.status ]; then\n    echo \"Configuring Tcl\"\n    CC=$(xcrun -find ${GCC} || echo ${GCC})\n    \"${TCL_SRCROOT}\"/macosx/configure --cache-file=../config.cache --prefix=${PREFIX} --bindir=${BINDIR} --libdir=${LIBDIR} --mandir=${MANDIR} --includedir=${INCLUDEDIR} --disable-shared CC=${CC} LD=${CC} ${CONFIGURE_ARGS}\nelse\n    ./config.status\nfi\n";
 			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */
@@ -2288,8 +2172,8 @@
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				PREBINDING = NO;
 			};
 			name = ReleaseUniversal;
@@ -2324,8 +2208,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --enable-symbols=all";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugMemCompile;
@@ -2334,9 +2224,15 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
 				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
 				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				OTHER_LDFLAGS = (
 					"$(OTHER_LDFLAGS)",
 					"-lgcov",
@@ -2365,7 +2261,7 @@
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
 				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "-notfile http.test";
+				TCLTEST_OPTIONS = "";
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
@@ -2387,13 +2283,13 @@
 			};
 			name = Release;
 		};
-		F95CC8AE09158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8AE09158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F95CC8B109158F3100EA5ACE /* Debug */ = {
 			isa = XCBuildConfiguration;
@@ -2417,18 +2313,24 @@
 			};
 			name = Release;
 		};
-		F95CC8B309158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8B309158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F95CC8B609158F3100EA5ACE /* Debug */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = Debug;
@@ -2437,19 +2339,31 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = Release;
 		};
-		F95CC8B809158F3100EA5ACE /* DebugNoFixZL */ = {
+		F95CC8B809158F3100EA5ACE /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F97258A90A86873D00096C78 /* Debug */ = {
 			isa = XCBuildConfiguration;
@@ -2473,7 +2387,7 @@
 			};
 			name = Release;
 		};
-		F97258AB0A86873D00096C78 /* DebugNoFixZL */ = {
+		F97258AB0A86873D00096C78 /* DebugNoFixAndContinue */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
@@ -2482,7 +2396,7 @@
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = DebugNoFixZL;
+			name = DebugNoFixAndContinue;
 		};
 		F97258AC0A86873D00096C78 /* ReleaseUniversal */ = {
 			isa = XCBuildConfiguration;
@@ -2495,39 +2409,6 @@
 			};
 			name = ReleaseUniversal;
 		};
-		F97AED080B660A6C00310EA2 /* ReleaseUniversal10.4uSDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_IDENTITY = "";
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleaseUniversal10.4uSDK;
-		};
-		F97AED0F0B660AA300310EA2 /* ReleasePPC10.3.9SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_IDENTITY = "";
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleasePPC10.3.9SDK;
-		};
-		F97AED160B660AF100310EA2 /* ReleasePPC10.2.8SDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				CODE_SIGN_IDENTITY = "";
-				PRODUCT_NAME = tests;
-				TCLTEST_OPTIONS = "";
-				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
-				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
-			};
-			name = ReleasePPC10.2.8SDK;
-		};
 		F97AED1B0B660B2100310EA2 /* Debug64bit */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2561,7 +2442,7 @@
 				ARCHS = "$(NATIVE_ARCH_64_BIT)";
 				CONFIGURE_ARGS = "--enable-64bit $(CONFIGURE_ARGS)";
 				CPPFLAGS = "-arch $(NATIVE_ARCH_64_BIT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				PREBINDING = NO;
 			};
 			name = Debug64bit;
@@ -2570,8 +2451,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-corefoundation";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugNoCF;
@@ -2606,8 +2493,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-threads --disable-corefoundation";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugNoCFUnthreaded;
@@ -2638,25 +2531,31 @@
 			};
 			name = DebugNoCFUnthreaded;
 		};
-		F9988AB10D814C6500B6B03B /* Debug gcc42 */ = {
+		F9988AB10D814C6500B6B03B /* Debug gcc40 */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				GCC_VERSION = 4.2;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				GCC_VERSION = 4.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
-			name = "Debug gcc42";
+			name = "Debug gcc40";
 		};
-		F9988AB20D814C6500B6B03B /* Debug gcc42 */ = {
+		F9988AB20D814C6500B6B03B /* Debug gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = "Debug gcc42";
+			name = "Debug gcc40";
 		};
-		F9988AB30D814C6500B6B03B /* Debug gcc42 */ = {
+		F9988AB30D814C6500B6B03B /* Debug gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CONFIGURE_ARGS = "tcl_cv_cc_visibility_hidden=no $(CONFIGURE_ARGS)";
@@ -2669,9 +2568,9 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
 			};
-			name = "Debug gcc42";
+			name = "Debug gcc40";
 		};
-		F9988AB40D814C6500B6B03B /* Debug gcc42 */ = {
+		F9988AB40D814C6500B6B03B /* Debug gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
@@ -2680,28 +2579,34 @@
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = "Debug gcc42";
+			name = "Debug gcc40";
 		};
-		F9988AB50D814C7500B6B03B /* Debug llvmgcc42 */ = {
+		F9988AB50D814C7500B6B03B /* Debug llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				CC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc-4.2";
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				GCC = "llvm-gcc";
 				GCC_VERSION = com.apple.compilers.llvmgcc42;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
-			name = "Debug llvmgcc42";
+			name = "Debug llvm-gcc";
 		};
-		F9988AB60D814C7500B6B03B /* Debug llvmgcc42 */ = {
+		F9988AB60D814C7500B6B03B /* Debug llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = "Debug llvmgcc42";
+			name = "Debug llvm-gcc";
 		};
-		F9988AB70D814C7500B6B03B /* Debug llvmgcc42 */ = {
+		F9988AB70D814C7500B6B03B /* Debug llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CONFIGURE_ARGS = "tcl_cv_cc_visibility_hidden=no $(CONFIGURE_ARGS)";
@@ -2714,9 +2619,9 @@
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
 			};
-			name = "Debug llvmgcc42";
+			name = "Debug llvm-gcc";
 		};
-		F9988AB80D814C7500B6B03B /* Debug llvmgcc42 */ = {
+		F9988AB80D814C7500B6B03B /* Debug llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
@@ -2725,36 +2630,36 @@
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = "Debug llvmgcc42";
+			name = "Debug llvm-gcc";
 		};
-		F9988BB10D81586D00B6B03B /* ReleaseUniversal gcc42 */ = {
+		F9988BB10D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
-				GCC_VERSION = 4.2;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
+				GCC_VERSION = 4.0;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				PREBINDING = NO;
 			};
-			name = "ReleaseUniversal gcc42";
+			name = "ReleaseUniversal gcc40";
 		};
-		F9988BB20D81586D00B6B03B /* ReleaseUniversal gcc42 */ = {
+		F9988BB20D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = "ReleaseUniversal gcc42";
+			name = "ReleaseUniversal gcc40";
 		};
-		F9988BB30D81586D00B6B03B /* ReleaseUniversal gcc42 */ = {
+		F9988BB30D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = "ReleaseUniversal gcc42";
+			name = "ReleaseUniversal gcc40";
 		};
-		F9988BB40D81586D00B6B03B /* ReleaseUniversal gcc42 */ = {
+		F9988BB40D81586D00B6B03B /* ReleaseUniversal gcc40 */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
@@ -2763,44 +2668,39 @@
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = "ReleaseUniversal gcc42";
+			name = "ReleaseUniversal gcc40";
 		};
-		F9988BB50D81587400B6B03B /* ReleaseUniversal llvmgcc42 */ = {
+		F9988BB50D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc-4.2";
-				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				GCC = "llvm-gcc";
 				GCC_OPTIMIZATION_LEVEL = 4;
 				GCC_VERSION = com.apple.compilers.llvmgcc42;
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_CFLAGS = (
-					"$(OTHER_CFLAGS)",
-					"-emit-llvm",
-				);
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				PREBINDING = NO;
-				TCL_CONFIGURE_ARGS = "$(TCL_CONFIGURE_ARGS) --disable-dtrace";
 			};
-			name = "ReleaseUniversal llvmgcc42";
+			name = "ReleaseUniversal llvm-gcc";
 		};
-		F9988BB60D81587400B6B03B /* ReleaseUniversal llvmgcc42 */ = {
+		F9988BB60D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = "ReleaseUniversal llvmgcc42";
+			name = "ReleaseUniversal llvm-gcc";
 		};
-		F9988BB70D81587400B6B03B /* ReleaseUniversal llvmgcc42 */ = {
+		F9988BB70D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = "ReleaseUniversal llvmgcc42";
+			name = "ReleaseUniversal llvm-gcc";
 		};
-		F9988BB80D81587400B6B03B /* ReleaseUniversal llvmgcc42 */ = {
+		F9988BB80D81587400B6B03B /* ReleaseUniversal llvm-gcc */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_IDENTITY = "";
@@ -2809,7 +2709,7 @@
 				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
 				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = "ReleaseUniversal llvmgcc42";
+			name = "ReleaseUniversal llvm-gcc";
 		};
 		F99EE73B0BE835310060D4AF /* DebugUnthreaded */ = {
 			isa = XCBuildConfiguration;
@@ -2867,8 +2767,14 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
 				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-threads";
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
 			};
 			name = DebugUnthreaded;
@@ -2877,111 +2783,116 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					PURIFY,
 					"$(GCC_PREPROCESSOR_DEFINITIONS)",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 10.5;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
+				RUN_CLANG_STATIC_ANALYZER = YES;
 			};
 			name = DebugLeaks;
 		};
-		F9DB62080B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
+		F9A9D1EF0FC77787002A2BE3 /* Debug clang */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				PRODUCT_NAME = tclsh;
-				SKIP_INSTALL = NO;
-			};
-			name = ReleaseUniversal10.4uSDK;
-		};
-		F9DB62090B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				PRODUCT_NAME = tcltest;
-			};
-			name = ReleaseUniversal10.4uSDK;
-		};
-		F9DB620A0B65ADA800A370FB /* ReleaseUniversal10.4uSDK */ = {
-			isa = XCBuildConfiguration;
-			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
-			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
-				CPPFLAGS = "-isysroot $(SDKROOT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.4;
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
 				);
+				CPPFLAGS = "-arch $(CURRENT_ARCH) $(CPPFLAGS)";
+				GCC = clang;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
-				SDKROOT = macosx10.4;
 			};
-			name = ReleaseUniversal10.4uSDK;
+			name = "Debug clang";
 		};
-		F9DB621F0B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
+		F9A9D1F00FC77787002A2BE3 /* Debug clang */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				LDFLAGS = "-force_cpusubtype_ALL $(LDFLAGS)";
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = ReleasePPC10.3.9SDK;
+			name = "Debug clang";
 		};
-		F9DB62200B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
+		F9A9D1F10FC77787002A2BE3 /* Debug clang */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CONFIGURE_ARGS = "tcl_cv_cc_visibility_hidden=no $(CONFIGURE_ARGS)";
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"__private_extern__=extern",
+					"$(GCC_PREPROCESSOR_DEFINITIONS)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
 			};
-			name = ReleasePPC10.3.9SDK;
+			name = "Debug clang";
 		};
-		F9DB62210B65AFDE00A370FB /* ReleasePPC10.3.9SDK */ = {
+		F9A9D1F20FC77787002A2BE3 /* Debug clang */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = "Debug clang";
+		};
+		F9A9D1F30FC77799002A2BE3 /* ReleaseUniversal clang */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = ppc;
-				CFLAGS = "$(PER_ARCH_CFLAGS_ppc) $(CFLAGS)";
-				CPPFLAGS = "-arch ppc -isysroot $(SDKROOT) $(CPPFLAGS)";
-				MACOSX_DEPLOYMENT_TARGET = 10.3;
-				PREBINDING = YES;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.3.9.sdk";
+				ARCHS = (
+					"$(NATIVE_ARCH_64_BIT)",
+					"$(NATIVE_ARCH_32_BIT)",
+				);
+				CFLAGS = "-arch i386 -arch x86_64 $(CFLAGS)";
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				GCC = clang;
+				GCC_OPTIMIZATION_LEVEL = 4;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				PREBINDING = NO;
 			};
-			name = ReleasePPC10.3.9SDK;
+			name = "ReleaseUniversal clang";
 		};
-		F9DB62350B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
+		F9A9D1F40FC77799002A2BE3 /* ReleaseUniversal clang */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tclsh;
 				SKIP_INSTALL = NO;
 			};
-			name = ReleasePPC10.2.8SDK;
+			name = "ReleaseUniversal clang";
 		};
-		F9DB62360B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
+		F9A9D1F50FC77799002A2BE3 /* ReleaseUniversal clang */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				PRODUCT_NAME = tcltest;
 			};
-			name = ReleasePPC10.2.8SDK;
+			name = "ReleaseUniversal clang";
 		};
-		F9DB62370B65B03A00A370FB /* ReleasePPC10.2.8SDK */ = {
+		F9A9D1F60FC77799002A2BE3 /* ReleaseUniversal clang */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = ppc;
-				CFLAGS = "$(PER_ARCH_CFLAGS_ppc) -fconstant-cfstrings $(CFLAGS)";
-				CPPFLAGS = "-arch ppc -D__CONSTANT_CFSTRINGS__ -DMAC_OS_X_VERSION_MIN_REQUIRED=1020 -nostdinc -isystem $(SDKROOT)/usr/include/gcc/darwin/$(GCC_VERSION) -isystem $(SDKROOT)/usr/include -F$(SDKROOT)/System/Library/Frameworks";
-				DEBUG_INFORMATION_FORMAT = stabs;
-				GCC = /usr/bin/gcc;
-				GCC_VERSION = 3.3;
-				LDFLAGS = "-L$(SDKROOT)/usr/lib/gcc/darwin/$(GCC_VERSION) -Wl,-syslibroot,$(SDKROOT)";
-				MACOSX_DEPLOYMENT_TARGET = 10.2;
-				PREBINDING = YES;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.2.8.sdk";
-				WARNING_CFLAGS = (
-					"$(WARNING_CFLAGS_GCC3)",
-					"-Wno-long-double",
-				);
+				CODE_SIGN_IDENTITY = "";
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
 			};
-			name = ReleasePPC10.2.8SDK;
+			name = "ReleaseUniversal clang";
 		};
 		F9EEED960C2FEFD300396116 /* ReleaseUniversal10.5SDK */ = {
 			isa = XCBuildConfiguration;
@@ -3014,7 +2925,7 @@
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
 				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
-				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc $(CFLAGS)";
 				CPPFLAGS = "-isysroot $(SDKROOT) $(CPPFLAGS)";
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				PREBINDING = NO;
@@ -3029,9 +2940,10 @@
 			isa = XCConfigurationList;
 			buildConfigurations = (
 				F95CC8AC09158F3100EA5ACE /* Debug */,
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-				F9988AB60D814C7500B6B03B /* Debug llvmgcc42 */,
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