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@@ -1,107 +1,123 @@
-Tcl MacOSX README
+Tcl Mac OS X README
-----------------
-RCS: @(#) $Id: README,v 1.1.2.3 2005/05/24 04:20:08 das Exp $
+RCS: @(#) $Id: README,v 1.1.2.4 2005/11/27 02:34:41 das Exp $
-This is the README file for the Mac OS X native version of Tcl (framework build).
+This is the README file for the Mac OS X/Darwin version of Tcl.
-1. General
-----------
+1. Where to go for support
+--------------------------
-- The tcl-mac mailing list on sourceforge is the canonical place for questions
+- The tcl-mac mailing list on sourceforge is the best place to ask questions
specific to Tcl & Tk on Mac OS X:
http://lists.sourceforge.net/lists/listinfo/tcl-mac
(this page also has a link to searchable archives of the list, please check them
before asking on the list, many questions have already been answered).
-- For general tcl/tk questions, the newsgroup comp.lang.tcl is your best bet,
-but also check the Tcl'ers Wiki for a wealth of information:
- http://wiki.tcl.tk/
+- For general Tcl/Tk questions, the newsgroup comp.lang.tcl is your best bet:
+ http://groups.google.com/group/comp.lang.tcl/
-- The wiki has a page listing known bugs in Mac OS X Tcl/Tk (and other tips)
- http://wiki.tcl.tk/MacOS%20X
-as well as a page with info on building Tcl/Tk on Mac OS X
- http://wiki.tcl.tk/Steps%20to%20build%20Tcl/Tk%208.4.0%20on%20MacOS%20X
+- The Tcl'ers Wiki also has many pages dealing with Tcl & Tk on Mac OS X, see
+ http://wiki.tcl.tk/references/3753!
+ http://wiki.tcl.tk/references/8361!
-- You should report bugs to the sourceforge bug trackers as usual:
- Tcl: https://sourceforge.net/tracker/?func=add&group_id=10894&atid=110894
- Tk: https://sourceforge.net/tracker/?func=add&group_id=12997&atid=112997
-please make sure that your report Tk specific bugs to the tktoolkit bug
-tracker and not the tcl one.
+- Please report bugs with Tcl or Tk on Mac OS X to the sourceforge bug trackers:
+ Tcl: http://sf.net/tracker/?func=add&group_id=10894&atid=110894
+ 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'.
-2. Using Tcl on MacOSX
-----------------------
+2. Using Tcl on Mac OS X
+------------------------
-- Mac OS X 10.2 (or higher) is required to run Tcl on MacOSX.
+- 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).
-- Tcl built on Mac OS X 10.3 or higher will not run on 10.2 due to missing
-symbols in libSystem, however Tcl built on 10.2 will run on 10.3 (but without
-prebinding and other optimizations).
+- Tcl built on Mac OS X 10.x will not run on 10.y for y < x, on the other hand
+Tcl built on 10.y will run on 10.x for y < x (but without any of the fixes and
+optimizations that would be available in a binary built on 10.x).
-- Tcl extensions will be found in any of:
+- 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).
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.
+This allows building extensions as frameworks with all script files contained in
+the Resources/Scripts directory of the framework.
-- The Tcl framework contains documentation in html format in the
-standard location for frameworks:
+- [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).
+
+- The 'deploy' target of macosx/Makefile installs the html manpages into the
+standard documentation location in the Tcl framework:
Tcl.framework/Resources/Documentation/Reference/Tcl
-No manpages are installed by default.
+No nroff manpages are installed by default by the Makefile.
-- the framework Tcl.framework can be placed in any of the system's standard
+- 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
-and /usr/bin/tclsh will work.
-
-- the format of binary extensions expected by [load] is that of ordinary shared
-libraries (.dylib) and not MachO bundles, at present loading of MachO bundles is
-not supported.
-3. Building Tcl.framework
--------------------------
+3. Building Tcl on Mac OS X
+---------------------------
-- Mac OS X 10.2 (or higher) is required to build Tcl on MacOSX.
-
-- Apple's Developer Tools CD needs to be installed (the most recent version
-matching your OS release, but no earlier than December 2002). This CD should
-have come with Mac OS X retail or should be present as a disk image on new macs
-that came with OSX preinstalled. It can also be downloaded from
+- 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).
-- Tcl is built as a Mac OS X framework via the Makefile in tcl/macosx, but can
-but can also be built directly with the standard unix configure and make
-buildsystem in tcl/unix.
-
-- It is still possible to build with Apple's Xcode IDE using the Tcl.pbproj
-project but this is not recommended anymore (currently Tcl.pbproj calls through
-to the tcl/macosx/Makefile so there should be no build differences).
+- Tcl is most easily built as a Mac OS X framework via Makefile in tcl/macosx
+(see below for details), but can also be built with the standard unix configure
+and make buildsystem in tcl/unix as on any other unix platform (indeed, the
+Makefile is just a wrapper around the unix buildsystem).
+The Mac OS X specifc configure flags are --enable-framework and
+--disable-corefoundation (which disables CF and notably reverts to the standard
+select based notifier, you will only need this if your require use of naked fork
+(i.e. not followed by execve) in an unthreaded core).
+
+- It is also possible to build with Apple's IDE via the tcl/macosx/Tcl.pbproj
+project, this simply calls through to the tcl/macosx/GNUMakefile.
+
+- To build universal binaires, set CFLAGS as follows:
+ export CFLAGS="-arch ppc -arch ppc64 -arch i386 \
+ -isysroot /Developer/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4"
+This requires Mac OS X 10.4 and Xcode 2.2 (_not_ Xcode 2.1) and will work on any
+of the architectures (on i386 DTKs, the -isysroot is not required). Note that it
+is not possible to configure correctly if the current architecture is not
+present in CFLAGS (i.e. -arch `arch` must always be there). 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.
+
+Detailed Instructions for building with macosx/Makefile
+-------------------------------------------------------
- Unpack the tcl source release archive.
-- The following instructions assume the tcl source tree is named "tcl${ver}",
-where ${ver} is a shell variable containing the tcl version number (for
-example '8.4.2').
+- The following instructions assume the tcl source tree is named "tcl${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="8.4.2" ;: if your shell is csh
- ver="8.4.2" ;: if your shell is sh
+ 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 ${ver} to the empty string instead:
- set ver="" ;: if your shell is csh
- ver="" ;: if your shell is sh
+ set ver="" ;: if your shell is csh
+ ver="" ;: if your shell is sh
-- The following steps will build Tcl from the Terminal, assuming you are
-located in the directory containing the tcl source tree:
+- The following steps will build Tcl from the Terminal, assuming you are located
+in the directory containing the tcl source tree:
make -C tcl${ver}/macosx
-and the following will then install Tcl onto the root volume (admin password
+and the following will then install Tcl onto the root volume (admin password
required):
sudo make -C tcl${ver}/macosx install
if you don't have the admin password, you can install into your home directory,
@@ -109,8 +125,8 @@ instead by passing an INSTALL_ROOT argument to make:
make -C tcl${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 Tcl.framework/Tcl_debug.
+the Tcl framework with the standard convention of naming the debug library
+Tcl.framework/Tcl_debug.
This allows you to dynamically link to the debug libraries at runtime by setting
setenv DYLD_IMAGE_SUFFIX _debug
(c.f. man dyld for more details)