diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 36cc991a..b52e469c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -180,13 +180,32 @@ IF(WIN32) ENDIF() ENDIF() ELSE() - CHECK_C_COMPILER_FLAG(-fvisibility=internal HAVE_VISIBILITY_SWITCH) + SET(OLD_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS} -Werror") + CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"protected\"))); - int main() {return 0;}" HAVE_GCC_VISIBILITY) - IF(HAVE_VISIBILITY_SWITCH AND HAVE_GCC_VISIBILITY) - ADD_DEFINITIONS(-fvisibility=internal) + int main() {return 0;}" HAVE_GCC_PROTECTED_VISIBILITY) + IF(HAVE_GCC_PROTECTED_VISIBILITY) SET(EXPORT_DECL "__attribute__((visibility(\"protected\")))") + ELSE() + CHECK_C_SOURCE_COMPILES("int foo() __attribute__((visibility(\"default\"))); + int main() {return 0;}" HAVE_GCC_DEFAULT_VISIBILITY) + IF(HAVE_GCC_DEFAULT_VISIBILITY) + SET(EXPORT_DECL "__attribute__((visibility(\"default\")))") + ENDIF() + ENDIF() + + CHECK_C_COMPILER_FLAG(-fvisibility=internal HAVE_VISIBILITY_INTERNAL_SWITCH) + IF(HAVE_VISIBILITY_INTERNAL_SWITCH) + ADD_DEFINITIONS(-fvisibility=internal) + ELSE() + CHECK_C_COMPILER_FLAG(-fvisibility=internal HAVE_VISIBILITY_HIDDEN_SWITCH) + IF(HAVE_VISIBILITY_HIDDEN_SWITCH) + ADD_DEFINITIONS(-fvisibility=hidden) + ENDIF() ENDIF() + + SET(CMAKE_REQUIRED_FLAGS "${OLD_REQUIRED_FLAGS}") ENDIF() CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2))); |