diff options
| author |   Titus von Boxberg" <titus@v9g.de> | 2011-08-22 07:36:30 (GMT) |
|---|---|---|
| committer | Titus von Boxberg <titus@v9g.de> | 2011-08-22 07:36:30 (GMT) |
| commit | 2cdbc6e3703044816f042ee2f734fca05d7b5a33 (patch) | |
| tree | 59b738ec18db625ffaba03e6624007b9e44aad43 | |
| parent | 7af1d22c17f50598e02b4be42b491efa44fffdd4 (diff) | |
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>
| -rw-r--r-- | docs/C - Misc. tutorials.txt | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/docs/C - Misc. tutorials.txt b/docs/C - Misc. tutorials.txt index 6e7d463..4ad04a4 100644 --- a/docs/C - Misc. tutorials.txt +++ b/docs/C - Misc. tutorials.txt @@ -55,7 +55,7 @@ toolchain on MacOS as host. 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 @@ toolchain on MacOS as host. 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 - -4) run ct-ng's configure with the following tool configuration + commands (gcc, g++,...), via macport's gcc_select + + 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 @@ toolchain on MacOS as host. --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 ----- |