CMake/Modules/Platform/Darwin-GNU-C.cmake
Brad King 180c60a86f Fix check for -isysroot on OS X
Previously we checked for this flag by parsing the version number of GCC
out of 'gcc --version', but this is not reliable because the format can
vary greatly.  Now we run 'gcc -v --help' and look for '-isysroot' in
the list of options.

We also now store the result on a per-language basis in the per-compiler
info file "CMake<LANG>Compiler.cmake".  This is necessary to make it
accessible from try-compile projects so that they generate correctly.
2009-09-19 10:14:31 -04:00

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CMake

include(Platform/Darwin-GNU)
cmake_gnu_has_isysroot(C)