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Add compiler checking for visibility flag

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Signed-off-by: Steven Lai <steven.lai@liricco.com>
This commit is contained in:
Steven Lai 2015-01-27 19:46:26 +08:00 • committed by Andy Green
parent cee2a063e9
commit ba3c75c065
1 changed files with 7 additions and 2 deletions
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9
CMakeLists.txt
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@ -361,10 +361,15 @@ endif(UNIX)
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
include (CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY)
if (HAVE_VISIBILITY)
set(VISIBILITY_FLAG -fvisibility=hidden)
endif()
if (UNIX)
set( CMAKE_C_FLAGS "-Wall -Werror -O3 -fvisibility=hidden ${CMAKE_C_FLAGS}" )
set( CMAKE_C_FLAGS "-Wall -Werror -O3 ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
else(UNIX)
set( CMAKE_C_FLAGS "-Wall -O3 -fvisibility=hidden ${CMAKE_C_FLAGS}" )
set( CMAKE_C_FLAGS "-Wall -O3 ${VISIBILITY_FLAG} ${CMAKE_C_FLAGS}" )
endif(UNIX)
endif ()