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authorBrad King <brad.king@kitware.com>2009-09-19 14:14:31 (GMT)
committerBrad King <brad.king@kitware.com>2009-09-19 14:14:31 (GMT)
commit180c60a86f5c44085a1a66865bfc8b9479c72e8a (patch)
tree33e7fc0647387c8a73a49e9a7e40c6d672fd5fee /Modules/Platform/Darwin-GNU-CXX.cmake
parent196d9a54aa7083c2d063147ac431c7efd11f393d (diff)
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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.
Diffstat (limited to 'Modules/Platform/Darwin-GNU-CXX.cmake')
-rw-r--r--Modules/Platform/Darwin-GNU-CXX.cmake2
1 files changed, 2 insertions, 0 deletions
diff --git a/Modules/Platform/Darwin-GNU-CXX.cmake b/Modules/Platform/Darwin-GNU-CXX.cmake
new file mode 100644
index 0000000..a2c2e16
--- /dev/null
+++ b/Modules/Platform/Darwin-GNU-CXX.cmake
@@ -0,0 +1,2 @@
+include(Platform/Darwin-GNU)
+cmake_gnu_has_isysroot(CXX)