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# HG changeset patch # User Titus von Boxberg <titus@v9g.de> # Date 1313998590 -7200 # Node ID bd1c80d7592bee149d1770ba0b5b6add79535e5f # Parent 970b50d32f41ba8885c196f7566de4ed9ba0ee37 docs: Document usage with Xcode 4.1 With Xcode 4.1 'gcc' is symlinked llvm-gcc-4.2 which cannot bootstrap other gccs. See http://llvm.org/bugs/show_bug.cgi?id=9571 On my machine the faulty gcc is gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00) Document a workaround. Signed-off-by: "Titus von Boxberg" <titus@v9g.de> diff -r 970b50d32f41 -r bd1c80d7592b docs/C - Misc. tutorials.txt --- a/docs/C - Misc. tutorials.txt Mon Aug 22 09:38:19 2011 +0200 +++ b/docs/C - Misc. tutorials.txt Mon Aug 22 09:36:30 2011 +0200 @@ -55,7 +55,7 @@ mount somewhere. 2) Install macports (or similar easy means of installing 3rd party software), - make sure that macport's bin dir is in your PATH. + make sure that macport's bin dir is in the front (!) of your PATH. Furtheron assuming it is /opt/local/bin. 3) Install (at least) the following macports @@ -65,11 +65,25 @@ gsed gawk gcc43 (only necessary for Leopard OSX 10.5) + gcc_select (only necessary for OSX 10.5, or Xcode > 4) +4) Prerequisites On Leopard, make sure that the macport's gcc is called with the default - commands (gcc, g++,...), e.g. via macport gcc_select + commands (gcc, g++,...), via macport's gcc_select -4) run ct-ng's configure with the following tool configuration + On OSX 10.7 Lion / when using Xcode >= 4 make sure that the default commands + (gcc, g++, etc.) point to gcc-4.2, NOT llvm-gcc-4.2 + by using macport's gcc_select feature. With MacPorts >= 1.9.2 + the command is: "sudo port select --set gcc gcc42" + This also requires (like written above) that macport's bin dir + comes before standard directories in your PATH environment variable + because the gcc symlink is installed in /opt/local/bin and the default /usr/bin/gcc + is not removed by the gcc select command! + Explanation: llvm-gcc-4.2 (with Xcode 4.1 it is on my machine + "gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)") + cannot boostrap gcc. See http://llvm.org/bugs/show_bug.cgi?id=9571 + +5) run ct-ng's configure with the following tool configuration (assuming you have installed the tools via macports in /opt/local): ./configure --with-sed=/opt/local/bin/gsed \ --with-libtool=/opt/local/bin/glibtool \ @@ -79,7 +93,7 @@ --with-readelf=/opt/local/bin/greadelf \ [...other configure parameters as you like...] -5) proceed as described in standard documentation +6) proceed as described in standard documentation ----- -- For unsubscribe information see http://sourceware.org/lists.html#faq
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