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cmake: Add better check to detect -fvisibility=hidden.

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This commit is contained in:
Andreas Schneider
2012-10-14 18:39:30 +02:00
parent 95ab34696b
commit 7e93edc722
1 changed files with 6 additions and 1 deletions
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7
ConfigureChecks.cmake
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@@ -36,7 +36,12 @@ endfunction()
if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2) if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
compiler_dumpversion(GNUCC_VERSION) compiler_dumpversion(GNUCC_VERSION)
if (NOT GNUCC_VERSION EQUAL 34) if (NOT GNUCC_VERSION EQUAL 34)
check_c_compiler_flag("-fvisibility=hidden" WITH_VISIBILITY_HIDDEN) set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
check_c_source_compiles(
"void __attribute__((visibility(\"default\"))) test() {}
int main(void){ return 0; }
" WITH_VISIBILITY_HIDDEN)
set(CMAKE_REQUIRED_FLAGS "")
endif (NOT GNUCC_VERSION EQUAL 34) endif (NOT GNUCC_VERSION EQUAL 34)
endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2) endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)