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author | Andreas Schneider <asn@cryptomilk.org> | 2012-06-25 14:30:31 +0200 |
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committer | Andreas Schneider <asn@cryptomilk.org> | 2012-06-25 14:30:31 +0200 |
commit | 95c7ecbb505f0870c0b415b06d23e813336bee55 (patch) | |
tree | 7db5fee3d781586a381fd2a63445f6b815dfc701 /cmake | |
parent | b8114912ad7cc5d3f031675938d8e84035a98732 (diff) | |
download | cmocka-95c7ecbb505f0870c0b415b06d23e813336bee55.tar.gz cmocka-95c7ecbb505f0870c0b415b06d23e813336bee55.tar.bz2 cmocka-95c7ecbb505f0870c0b415b06d23e813336bee55.zip |
cmake: Check for _GNU_SOURCE and add it if available.
This is needed for strsignal().
Diffstat (limited to 'cmake')
-rw-r--r-- | cmake/Modules/DefineCompilerFlags.cmake | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cmake/Modules/DefineCompilerFlags.cmake b/cmake/Modules/DefineCompilerFlags.cmake index 3a6a454..239ddeb 100644 --- a/cmake/Modules/DefineCompilerFlags.cmake +++ b/cmake/Modules/DefineCompilerFlags.cmake @@ -29,6 +29,11 @@ if (UNIX AND NOT WIN32) if (WITH_FORTIFY_SOURCE) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2") endif (WITH_FORTIFY_SOURCE) + + check_c_compiler_flag("-D_GNU_SOURCE" WITH_GNU_SOURCE) + if (WITH_GNU_SOURCE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_GNU_SOURCE") + endif (WITH_GNU_SOURCE) endif (${CMAKE_C_COMPILER_ID} MATCHES GNU) # |