* macosx/Tcl.xcodeproj/project.pbxproj: add tclIORTrans.c; updates and

						cleanup for Xcode 3.1/Leopard.
	* macosx/Tcl.xcode/project.pbxproj:	sync Tcl.xcodeproj changes.
	* macosx/README:			document new build configs.

3 files changed, 234 insertions, 65 deletions

diff --git a/macosx/README b/macosx/README
index 1c1d790..ebe2bdf 100644
--- a/macosx/README
+++ b/macosx/README
@@ -1,7 +1,7 @@
 Tcl Mac OS X README
 -------------------
 
-RCS: @(#) $Id: README,v 1.17 2008/05/31 23:33:51 das Exp $
+RCS: @(#) $Id: README,v 1.18 2008/06/12 06:26:58 das Exp $
 
 This is the README file for the Mac OS X/Darwin version of Tcl.
 
@@ -91,14 +91,17 @@ 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 a native 'tcltest' target useful for debugging, this
-	target's '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 additional build
-	configurations are available for the 'Tcl' and 'tcltest' targets:
+	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
@@ -112,9 +115,16 @@ take care to only use the project matching your DevTools and OS version:
 		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 configuration:
+	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
diff --git a/macosx/Tcl.xcode/project.pbxproj b/macosx/Tcl.xcode/project.pbxproj
index 0e00120..1df37f2 100644
--- a/macosx/Tcl.xcode/project.pbxproj
+++ b/macosx/Tcl.xcode/project.pbxproj
@@ -8,6 +8,15 @@
 
 /* Begin PBXBuildFile section */
 		F90509300913A72400327603 /* tclAppInit.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D445508F272B9004A47F5 /* tclAppInit.c */; settings = {COMPILER_FLAGS = "-DTCL_TEST -DTCL_BUILDTIME_LIBRARY=\\\"$(TCL_SRCROOT)/library\\\""; }; };
+		F93599B30DF1F75400E04F67 /* tclOO.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599B20DF1F75400E04F67 /* tclOO.c */; };
+		F93599B70DF1F76100E04F67 /* tclOOBasic.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599B60DF1F76100E04F67 /* tclOOBasic.c */; };
+		F93599B90DF1F76600E04F67 /* tclOOCall.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599B80DF1F76600E04F67 /* tclOOCall.c */; };
+		F93599BC0DF1F77000E04F67 /* tclOODefineCmds.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599BB0DF1F77000E04F67 /* tclOODefineCmds.c */; };
+		F93599BE0DF1F77400E04F67 /* tclOOInfo.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599BD0DF1F77400E04F67 /* tclOOInfo.c */; };
+		F93599C20DF1F78300E04F67 /* tclOOMethod.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C10DF1F78300E04F67 /* tclOOMethod.c */; };
+		F93599C40DF1F78800E04F67 /* tclOOStubInit.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C30DF1F78800E04F67 /* tclOOStubInit.c */; };
+		F93599C60DF1F78D00E04F67 /* tclOOStubLib.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C50DF1F78D00E04F67 /* tclOOStubLib.c */; };
+		F95D77EA0DFD820D00A8BF6F /* tclIORTrans.c in Sources */ = {isa = PBXBuildFile; fileRef = F95D77E90DFD820D00A8BF6F /* tclIORTrans.c */; };
 		F966C07508F2820D005CB29B /* CoreFoundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F966C07408F2820D005CB29B /* CoreFoundation.framework */; };
 		F96D456F08F272BB004A47F5 /* regcomp.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D3ED008F272A7004A47F5 /* regcomp.c */; };
 		F96D457208F272BB004A47F5 /* regerror.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D3ED308F272A7004A47F5 /* regerror.c */; };
@@ -176,6 +185,32 @@
 /* Begin PBXFileReference section */
 		8DD76FB20486AB0100D96B5E /* tcltest */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = tcltest; sourceTree = BUILT_PRODUCTS_DIR; };
 		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>"; };
+		F93599B40DF1F75900E04F67 /* tclOO.decls */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = tclOO.decls; sourceTree = "<group>"; };
+		F93599B50DF1F75D00E04F67 /* tclOO.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclOO.h; sourceTree = "<group>"; };
+		F93599B60DF1F76100E04F67 /* tclOOBasic.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOBasic.c; sourceTree = "<group>"; };
+		F93599B80DF1F76600E04F67 /* tclOOCall.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOCall.c; sourceTree = "<group>"; };
+		F93599BA0DF1F76A00E04F67 /* tclOODecls.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclOODecls.h; sourceTree = "<group>"; };
+		F93599BB0DF1F77000E04F67 /* tclOODefineCmds.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOODefineCmds.c; sourceTree = "<group>"; };
+		F93599BD0DF1F77400E04F67 /* tclOOInfo.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOInfo.c; sourceTree = "<group>"; };
+		F93599BF0DF1F77900E04F67 /* tclOOInt.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclOOInt.h; sourceTree = "<group>"; };
+		F93599C00DF1F77D00E04F67 /* tclOOIntDecls.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = tclOOIntDecls.h; sourceTree = "<group>"; };
+		F93599C10DF1F78300E04F67 /* tclOOMethod.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOMethod.c; sourceTree = "<group>"; };
+		F93599C30DF1F78800E04F67 /* tclOOStubInit.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOStubInit.c; sourceTree = "<group>"; };
+		F93599C50DF1F78D00E04F67 /* tclOOStubLib.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclOOStubLib.c; sourceTree = "<group>"; };
+		F93599C80DF1F81900E04F67 /* oo.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = oo.test; sourceTree = "<group>"; };
+		F93599CF0DF1F87F00E04F67 /* Class.3 */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = Class.3; sourceTree = "<group>"; };
+		F93599D00DF1F89E00E04F67 /* class.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = class.n; sourceTree = "<group>"; };
+		F93599D20DF1F8DF00E04F67 /* copy.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = copy.n; sourceTree = "<group>"; };
+		F93599D30DF1F8F500E04F67 /* define.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = define.n; sourceTree = "<group>"; };
+		F93599D40DF1F91900E04F67 /* Method.3 */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = Method.3; sourceTree = "<group>"; };
+		F93599D50DF1F93700E04F67 /* my.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = my.n; sourceTree = "<group>"; };
+		F93599D60DF1F95000E04F67 /* next.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = next.n; sourceTree = "<group>"; };
+		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>"; };
+		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>"; };
 		F966C07408F2820D005CB29B /* CoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreFoundation.framework; path = /System/Library/Frameworks/CoreFoundation.framework; sourceTree = "<absolute>"; };
 		F96D3DFA08F272A4004A47F5 /* ChangeLog */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = ChangeLog; sourceTree = "<group>"; };
@@ -702,7 +737,6 @@
 		F96D437B08F272B6004A47F5 /* io.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = io.test; sourceTree = "<group>"; };
 		F96D437C08F272B6004A47F5 /* ioCmd.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = ioCmd.test; sourceTree = "<group>"; };
 		F96D437D08F272B6004A47F5 /* iogt.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = iogt.test; sourceTree = "<group>"; };
-		F96D437E08F272B6004A47F5 /* ioUtil.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = ioUtil.test; sourceTree = "<group>"; };
 		F96D437F08F272B6004A47F5 /* join.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = join.test; sourceTree = "<group>"; };
 		F96D438008F272B6004A47F5 /* lindex.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = lindex.test; sourceTree = "<group>"; };
 		F96D438108F272B6004A47F5 /* link.test */ = {isa = PBXFileReference; explicitFileType = text.script; fileEncoding = 4; path = link.test; sourceTree = "<group>"; };
@@ -931,7 +965,7 @@
 				F966C06F08F281DC005CB29B /* Frameworks */,
 				1AB674ADFE9D54B511CA2CBB /* Products */,
 			);
-			comments = "Copyright (c) 2004-2007 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 1.11 2008/04/15 10:55:30 das Exp $\n";
+			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 1.12 2008/06/12 06:26:58 das Exp $\n";
 			name = Tcl;
 			path = .;
 			sourceTree = SOURCE_ROOT;
@@ -1001,12 +1035,15 @@
 				F96D3E1108F272A5004A47F5 /* cd.n */,
 				F96D3E1208F272A5004A47F5 /* chan.n */,
 				F96D3E1308F272A5004A47F5 /* ChnlStack.3 */,
+				F93599CF0DF1F87F00E04F67 /* Class.3 */,
+				F93599D00DF1F89E00E04F67 /* class.n */,
 				F96D3E1408F272A5004A47F5 /* clock.n */,
 				F96D3E1508F272A5004A47F5 /* close.n */,
 				F96D3E1608F272A5004A47F5 /* CmdCmplt.3 */,
 				F96D3E1708F272A5004A47F5 /* Concat.3 */,
 				F96D3E1808F272A5004A47F5 /* concat.n */,
 				F96D3E1908F272A5004A47F5 /* continue.n */,
+				F93599D20DF1F8DF00E04F67 /* copy.n */,
 				F96D3E1A08F272A5004A47F5 /* CrtChannel.3 */,
 				F96D3E1B08F272A5004A47F5 /* CrtChnlHdlr.3 */,
 				F96D3E1C08F272A5004A47F5 /* CrtCloseHdlr.3 */,
@@ -1019,6 +1056,7 @@
 				F96D3E2308F272A5004A47F5 /* CrtTimerHdlr.3 */,
 				F96D3E2408F272A5004A47F5 /* CrtTrace.3 */,
 				F96D3E2508F272A5004A47F5 /* dde.n */,
+				F93599D30DF1F8F500E04F67 /* define.n */,
 				F96D3E2608F272A5004A47F5 /* DetachPids.3 */,
 				F96D3E2708F272A5004A47F5 /* dict.n */,
 				F96D3E2808F272A5004A47F5 /* DictObj.3 */,
@@ -1096,11 +1134,15 @@
 				F96D3E7008F272A6004A47F5 /* man.macros */,
 				F96D3E7108F272A6004A47F5 /* mathfunc.n */,
 				F96D3E7208F272A6004A47F5 /* memory.n */,
+				F93599D40DF1F91900E04F67 /* Method.3 */,
 				F96D3E7308F272A6004A47F5 /* msgcat.n */,
+				F93599D50DF1F93700E04F67 /* my.n */,
 				F96D3E7408F272A6004A47F5 /* Namespace.3 */,
 				F96D3E7508F272A6004A47F5 /* namespace.n */,
+				F93599D60DF1F95000E04F67 /* next.n */,
 				F96D3E7608F272A6004A47F5 /* Notifier.3 */,
 				F96D3E7708F272A6004A47F5 /* Object.3 */,
+				F93599D70DF1F96800E04F67 /* object.n */,
 				F96D3E7808F272A6004A47F5 /* ObjectType.3 */,
 				F96D3E7908F272A6004A47F5 /* open.n */,
 				F96D3E7A08F272A6004A47F5 /* OpenFileChnl.3 */,
@@ -1134,6 +1176,7 @@
 				F96D3E9408F272A6004A47F5 /* SaveResult.3 */,
 				F96D3E9508F272A6004A47F5 /* scan.n */,
 				F96D3E9608F272A6004A47F5 /* seek.n */,
+				F93599D80DF1F98300E04F67 /* self.n */,
 				F96D3E9708F272A6004A47F5 /* set.n */,
 				F96D3E9808F272A6004A47F5 /* SetChanErr.3 */,
 				F96D3E9908F272A6004A47F5 /* SetErrno.3 */,
@@ -1248,6 +1291,7 @@
 				F96D3F0008F272A7004A47F5 /* tclIOCmd.c */,
 				F96D3F0108F272A7004A47F5 /* tclIOGT.c */,
 				F96D3F0208F272A7004A47F5 /* tclIORChan.c */,
+				F95D77E90DFD820D00A8BF6F /* tclIORTrans.c */,
 				F96D3F0308F272A7004A47F5 /* tclIOSock.c */,
 				F96D3F0408F272A7004A47F5 /* tclIOUtil.c */,
 				F96D3F0508F272A7004A47F5 /* tclLink.c */,
@@ -1259,6 +1303,19 @@
 				F96D3F0B08F272A7004A47F5 /* tclNamesp.c */,
 				F96D3F0C08F272A7004A47F5 /* tclNotify.c */,
 				F96D3F0D08F272A7004A47F5 /* tclObj.c */,
+				F93599B20DF1F75400E04F67 /* tclOO.c */,
+				F93599B40DF1F75900E04F67 /* tclOO.decls */,
+				F93599B50DF1F75D00E04F67 /* tclOO.h */,
+				F93599B60DF1F76100E04F67 /* tclOOBasic.c */,
+				F93599B80DF1F76600E04F67 /* tclOOCall.c */,
+				F93599BA0DF1F76A00E04F67 /* tclOODecls.h */,
+				F93599BB0DF1F77000E04F67 /* tclOODefineCmds.c */,
+				F93599BD0DF1F77400E04F67 /* tclOOInfo.c */,
+				F93599BF0DF1F77900E04F67 /* tclOOInt.h */,
+				F93599C00DF1F77D00E04F67 /* tclOOIntDecls.h */,
+				F93599C10DF1F78300E04F67 /* tclOOMethod.c */,
+				F93599C30DF1F78800E04F67 /* tclOOStubInit.c */,
+				F93599C50DF1F78D00E04F67 /* tclOOStubLib.c */,
 				F96D3F0E08F272A7004A47F5 /* tclPanic.c */,
 				F96D3F0F08F272A7004A47F5 /* tclParse.c */,
 				F96D3F1108F272A7004A47F5 /* tclPathObj.c */,
@@ -1600,7 +1657,6 @@
 				F96D437B08F272B6004A47F5 /* io.test */,
 				F96D437C08F272B6004A47F5 /* ioCmd.test */,
 				F96D437D08F272B6004A47F5 /* iogt.test */,
-				F96D437E08F272B6004A47F5 /* ioUtil.test */,
 				F96D437F08F272B6004A47F5 /* join.test */,
 				F96D438008F272B6004A47F5 /* lindex.test */,
 				F96D438108F272B6004A47F5 /* link.test */,
@@ -1625,6 +1681,7 @@
 				F96D439208F272B7004A47F5 /* namespace.test */,
 				F96D439308F272B7004A47F5 /* notify.test */,
 				F96D439408F272B7004A47F5 /* obj.test */,
+				F93599C80DF1F81900E04F67 /* oo.test */,
 				F96D439508F272B7004A47F5 /* opt.test */,
 				F96D439608F272B7004A47F5 /* package.test */,
 				F96D439708F272B7004A47F5 /* parse.test */,
@@ -1716,6 +1773,8 @@
 				F96D443708F272B9004A47F5 /* tclmin.wse */,
 				F96D443908F272B9004A47F5 /* tcltk-man2html.tcl */,
 				F96D443A08F272B9004A47F5 /* tclZIC.tcl */,
+				F92D7F140DE777670033A13A /* tsdPerf.c */,
+				F92D7F100DE777240033A13A /* tsdPerf.tcl */,
 				F96D443B08F272B9004A47F5 /* uniClass.tcl */,
 				F96D443C08F272B9004A47F5 /* uniParse.tcl */,
 			);
@@ -2021,6 +2080,7 @@
 				F96D459F08F272BC004A47F5 /* tclIOCmd.c in Sources */,
 				F96D45A008F272BC004A47F5 /* tclIOGT.c in Sources */,
 				F96D45A108F272BC004A47F5 /* tclIORChan.c in Sources */,
+				F95D77EA0DFD820D00A8BF6F /* tclIORTrans.c in Sources */,
 				F96D45A208F272BC004A47F5 /* tclIOSock.c in Sources */,
 				F96D45A308F272BC004A47F5 /* tclIOUtil.c in Sources */,
 				F96D45A408F272BC004A47F5 /* tclLink.c in Sources */,
@@ -2031,6 +2091,14 @@
 				F96D45AA08F272BC004A47F5 /* tclNamesp.c in Sources */,
 				F96D45AB08F272BC004A47F5 /* tclNotify.c in Sources */,
 				F96D45AC08F272BC004A47F5 /* tclObj.c in Sources */,
+				F93599B30DF1F75400E04F67 /* tclOO.c in Sources */,
+				F93599B70DF1F76100E04F67 /* tclOOBasic.c in Sources */,
+				F93599B90DF1F76600E04F67 /* tclOOCall.c in Sources */,
+				F93599BC0DF1F77000E04F67 /* tclOODefineCmds.c in Sources */,
+				F93599BE0DF1F77400E04F67 /* tclOOInfo.c in Sources */,
+				F93599C20DF1F78300E04F67 /* tclOOMethod.c in Sources */,
+				F93599C40DF1F78800E04F67 /* tclOOStubInit.c in Sources */,
+				F93599C60DF1F78D00E04F67 /* tclOOStubLib.c in Sources */,
 				F96D45AD08F272BC004A47F5 /* tclPanic.c in Sources */,
 				F96D45AE08F272BC004A47F5 /* tclParse.c in Sources */,
 				F96D45B008F272BC004A47F5 /* tclPathObj.c in Sources */,
@@ -2224,6 +2292,46 @@
 			};
 			name = DebugMemCompile;
 		};
+		F9359B250DF212DA00E04F67 /* DebugGCov */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
+			buildSettings = {
+				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
+				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				OTHER_LDFLAGS = (
+					"$(OTHER_LDFLAGS)",
+					"-lgcov",
+				);
+				PREBINDING = NO;
+			};
+			name = DebugGCov;
+		};
+		F9359B260DF212DA00E04F67 /* DebugGCov */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = DebugGCov;
+		};
+		F9359B270DF212DA00E04F67 /* DebugGCov */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tcltest;
+			};
+			name = DebugGCov;
+		};
+		F9359B280DF212DA00E04F67 /* DebugGCov */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "-notfile http.test";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = DebugGCov;
+		};
 		F95CC8AC09158F3100EA5ACE /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2412,6 +2520,76 @@
 			};
 			name = Debug64bit;
 		};
+		F987512F0DE7B57E00B1C9EC /* DebugNoCF */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
+			buildSettings = {
+				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-corefoundation";
+				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				PREBINDING = NO;
+			};
+			name = DebugNoCF;
+		};
+		F98751300DE7B57E00B1C9EC /* DebugNoCF */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = DebugNoCF;
+		};
+		F98751310DE7B57E00B1C9EC /* DebugNoCF */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tcltest;
+			};
+			name = DebugNoCF;
+		};
+		F98751320DE7B57E00B1C9EC /* DebugNoCF */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = DebugNoCF;
+		};
+		F98751330DE7B5A200B1C9EC /* DebugNoCFUnthreaded */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
+			buildSettings = {
+				CONFIGURE_ARGS = "$(CONFIGURE_ARGS) --disable-threads --disable-corefoundation";
+				MACOSX_DEPLOYMENT_TARGET = 10.2;
+				PREBINDING = NO;
+			};
+			name = DebugNoCFUnthreaded;
+		};
+		F98751340DE7B5A200B1C9EC /* DebugNoCFUnthreaded */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tclsh;
+				SKIP_INSTALL = NO;
+			};
+			name = DebugNoCFUnthreaded;
+		};
+		F98751350DE7B5A200B1C9EC /* DebugNoCFUnthreaded */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tcltest;
+			};
+			name = DebugNoCFUnthreaded;
+		};
+		F98751360DE7B5A200B1C9EC /* DebugNoCFUnthreaded */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = tests;
+				TCLTEST_OPTIONS = "";
+				TCL_LIBRARY = "$(TCL_SRCROOT)/library";
+				TEST_RIG = "$(OBJROOT)/$(CONFIGURATION)/tcltest";
+			};
+			name = DebugNoCFUnthreaded;
+		};
 		F99EE73B0BE835310060D4AF /* DebugUnthreaded */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2596,8 +2774,11 @@
 				F95CC8AC09158F3100EA5ACE /* Debug */,
 				F95CC8AE09158F3100EA5ACE /* DebugNoFixZL */,
 				F99EE73B0BE835310060D4AF /* DebugUnthreaded */,
+				F98751300DE7B57E00B1C9EC /* DebugNoCF */,
+				F98751340DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
 				F93084370BB93D2800CD0B9E /* DebugMemCompile */,
 				F99EE73C0BE835310060D4AF /* DebugLeaks */,
+				F9359B260DF212DA00E04F67 /* DebugGCov */,
 				F97AED1B0B660B2100310EA2 /* Debug64bit */,
 				F95CC8AD09158F3100EA5ACE /* Release */,
 				F91BCC4F093152310042A6BF /* ReleaseUniversal */,
@@ -2614,8 +2795,11 @@
 				F95CC8B109158F3100EA5ACE /* Debug */,
 				F95CC8B309158F3100EA5ACE /* DebugNoFixZL */,
 				F99EE73D0BE835310060D4AF /* DebugUnthreaded */,
+				F98751310DE7B57E00B1C9EC /* DebugNoCF */,
+				F98751350DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
 				F93084380BB93D2800CD0B9E /* DebugMemCompile */,
 				F99EE73E0BE835310060D4AF /* DebugLeaks */,
+				F9359B270DF212DA00E04F67 /* DebugGCov */,
 				F97AED1C0B660B2100310EA2 /* Debug64bit */,
 				F95CC8B209158F3100EA5ACE /* Release */,
 				F91BCC50093152310042A6BF /* ReleaseUniversal */,
@@ -2632,8 +2816,11 @@
 				F95CC8B609158F3100EA5ACE /* Debug */,
 				F95CC8B809158F3100EA5ACE /* DebugNoFixZL */,
 				F99EE7410BE835310060D4AF /* DebugUnthreaded */,
+				F987512F0DE7B57E00B1C9EC /* DebugNoCF */,
+				F98751330DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
 				F930843A0BB93D2800CD0B9E /* DebugMemCompile */,
 				F99EE7420BE835310060D4AF /* DebugLeaks */,
+				F9359B250DF212DA00E04F67 /* DebugGCov */,
 				F97AED1E0B660B2100310EA2 /* Debug64bit */,
 				F95CC8B709158F3100EA5ACE /* Release */,
 				F91BCC51093152310042A6BF /* ReleaseUniversal */,
@@ -2650,8 +2837,11 @@
 				F97258A90A86873D00096C78 /* Debug */,
 				F97258AB0A86873D00096C78 /* DebugNoFixZL */,
 				F99EE73F0BE835310060D4AF /* DebugUnthreaded */,
+				F98751320DE7B57E00B1C9EC /* DebugNoCF */,
+				F98751360DE7B5A200B1C9EC /* DebugNoCFUnthreaded */,
 				F93084390BB93D2800CD0B9E /* DebugMemCompile */,
 				F99EE7400BE835310060D4AF /* DebugLeaks */,
+				F9359B280DF212DA00E04F67 /* DebugGCov */,
 				F97AED1D0B660B2100310EA2 /* Debug64bit */,
 				F97258AA0A86873D00096C78 /* Release */,
 				F97258AC0A86873D00096C78 /* ReleaseUniversal */,
diff --git a/macosx/Tcl.xcodeproj/project.pbxproj b/macosx/Tcl.xcodeproj/project.pbxproj
index 4c3a88d..f2880b2 100644
--- a/macosx/Tcl.xcodeproj/project.pbxproj
+++ b/macosx/Tcl.xcodeproj/project.pbxproj
@@ -16,6 +16,7 @@
 		F93599C20DF1F78300E04F67 /* tclOOMethod.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C10DF1F78300E04F67 /* tclOOMethod.c */; };
 		F93599C40DF1F78800E04F67 /* tclOOStubInit.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C30DF1F78800E04F67 /* tclOOStubInit.c */; };
 		F93599C60DF1F78D00E04F67 /* tclOOStubLib.c in Sources */ = {isa = PBXBuildFile; fileRef = F93599C50DF1F78D00E04F67 /* tclOOStubLib.c */; };
+		F95D77EA0DFD820D00A8BF6F /* tclIORTrans.c in Sources */ = {isa = PBXBuildFile; fileRef = F95D77E90DFD820D00A8BF6F /* tclIORTrans.c */; };
 		F966C07508F2820D005CB29B /* CoreFoundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F966C07408F2820D005CB29B /* CoreFoundation.framework */; };
 		F96D456F08F272BB004A47F5 /* regcomp.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D3ED008F272A7004A47F5 /* regcomp.c */; };
 		F96D457208F272BB004A47F5 /* regerror.c in Sources */ = {isa = PBXBuildFile; fileRef = F96D3ED308F272A7004A47F5 /* regerror.c */; };
@@ -210,6 +211,7 @@
 		F93599D60DF1F95000E04F67 /* next.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = next.n; sourceTree = "<group>"; };
 		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>"; };
+		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>"; };
 		F966C07408F2820D005CB29B /* CoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreFoundation.framework; path = /System/Library/Frameworks/CoreFoundation.framework; sourceTree = "<absolute>"; };
 		F96D3DFA08F272A4004A47F5 /* ChangeLog */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = ChangeLog; sourceTree = "<group>"; };
@@ -965,7 +967,7 @@
 				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 1.35 2008/06/01 00:29:09 das Exp $\n";
+			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 1.36 2008/06/12 06:26:58 das Exp $\n";
 			name = Tcl;
 			path = .;
 			sourceTree = SOURCE_ROOT;
@@ -1292,6 +1294,7 @@
 				F96D3F0008F272A7004A47F5 /* tclIOCmd.c */,
 				F96D3F0108F272A7004A47F5 /* tclIOGT.c */,
 				F96D3F0208F272A7004A47F5 /* tclIORChan.c */,
+				F95D77E90DFD820D00A8BF6F /* tclIORTrans.c */,
 				F96D3F0308F272A7004A47F5 /* tclIOSock.c */,
 				F96D3F0408F272A7004A47F5 /* tclIOUtil.c */,
 				F96D3F0508F272A7004A47F5 /* tclLink.c */,
@@ -1955,7 +1958,7 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				BuildIndependentTargetsInParallel = NO;
+				BuildIndependentTargetsInParallel = YES;
 			};
 			buildConfigurationList = F95CC8B509158F3100EA5ACE /* Build configuration list for PBXProject "Tcl" */;
 			compatibilityVersion = "Xcode 3.1";
@@ -2088,6 +2091,7 @@
 				F96D459F08F272BC004A47F5 /* tclIOCmd.c in Sources */,
 				F96D45A008F272BC004A47F5 /* tclIOGT.c in Sources */,
 				F96D45A108F272BC004A47F5 /* tclIORChan.c in Sources */,
+				F95D77EA0DFD820D00A8BF6F /* tclIORTrans.c in Sources */,
 				F96D45A208F272BC004A47F5 /* tclIOSock.c in Sources */,
 				F96D45A308F272BC004A47F5 /* tclIOUtil.c in Sources */,
 				F96D45A408F272BC004A47F5 /* tclLink.c in Sources */,
@@ -2249,18 +2253,9 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
-				);
 				PREBINDING = NO;
 			};
 			name = ReleaseUniversal;
@@ -2378,7 +2373,6 @@
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
-				ZERO_LINK = YES;
 			};
 			name = Debug;
 		};
@@ -2410,7 +2404,7 @@
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				PREBINDING = YES;
+				PREBINDING = NO;
 			};
 			name = Release;
 		};
@@ -2640,7 +2634,6 @@
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
-				ZERO_LINK = YES;
 			};
 			name = "Debug gcc42";
 		};
@@ -2659,8 +2652,8 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE8330B65C87F00310EA2 /* Tcl-Debug.xcconfig */;
 			buildSettings = {
-				GCC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc";
-				GCC_VERSION = 4.2;
+				CC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc-4.2";
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				PREBINDING = NO;
 			};
@@ -2686,7 +2679,6 @@
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				PRODUCT_NAME = tcltest;
-				ZERO_LINK = YES;
 			};
 			name = "Debug llvmgcc42";
 		};
@@ -2705,19 +2697,10 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
 				GCC_VERSION = 4.2;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
-				);
 				PREBINDING = NO;
 			};
 			name = "ReleaseUniversal gcc42";
@@ -2752,20 +2735,16 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					i386,
-				);
-				CFLAGS = "-arch ppc -arch i386 $(CFLAGS)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc-4.2";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
 				DEBUG_INFORMATION_FORMAT = dwarf;
-				GCC = "$(DEVELOPER_DIR)/usr/bin/llvm-gcc";
 				GCC_OPTIMIZATION_LEVEL = 4;
-				GCC_VERSION = 4.2;
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
-				OTHER_CFLAGS = "-emit-llvm";
-				OTHER_LDFLAGS = (
-					"-Wl,-no_arch_warnings",
-					"$(OTHER_LDFLAGS)",
+				OTHER_CFLAGS = (
+					"$(OTHER_CFLAGS)",
+					"-emit-llvm",
 				);
 				PREBINDING = NO;
 				TCL_CONFIGURE_ARGS = "$(TCL_CONFIGURE_ARGS) --disable-dtrace";
@@ -2892,13 +2871,8 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
+				ARCHS = "$(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 = (
@@ -3005,13 +2979,8 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = F97AE82B0B65C69B00310EA2 /* Tcl-Release.xcconfig */;
 			buildSettings = {
-				ARCHS = (
-					ppc,
-					ppc64,
-					i386,
-					x86_64,
-				);
-				CFLAGS = "-arch ppc -arch ppc64 -arch i386 -arch x86_64 $(CFLAGS)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				CFLAGS = "-arch i386 -arch x86_64 -arch ppc -arch ppc64 $(CFLAGS)";
 				CPPFLAGS = "-isysroot $(SDKROOT) $(CPPFLAGS)";
 				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				PREBINDING = NO;