| SET(VAR HAVE_VISIBILITY) |
| |
| IF(NOT DEFINED ${VAR}) |
| SET(SOURCE |
| "void __attribute__((visibility(\"default\"))) test() {} |
| #ifdef __INTEL_COMPILER |
| #error ICC breaks with binutils and visibility |
| #endif |
| int main(){} |
| ") |
| FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeTmp/src.c" "${SOURCE}") |
| |
| MESSAGE(STATUS "Performing Test ${VAR}") |
| TRY_COMPILE(${VAR} |
| ${CMAKE_BINARY_DIR} |
| ${CMAKE_BINARY_DIR}/CMakeTmp/src.c |
| CMAKE_FLAGS |
| "-DCOMPILE_DEFINITIONS:STRING=-fvisibility=hidden" |
| OUTPUT_VARIABLE OUTPUT) |
| |
| WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeOutput.log |
| "Performing manual C SOURCE FILE Test ${VAR} with the following output:\n" |
| "${OUTPUT}\n" |
| "Source file was:\n${SOURCE}\n" APPEND) |
| |
| SET(${VAR} ${${VAR}} CACHE INTERNAL "Test Visibility") |
| IF(${VAR}) |
| MESSAGE(STATUS "Performing Test ${VAR} - Success") |
| ELSE(${VAR}) |
| MESSAGE(STATUS "Performing Test ${VAR} - Failed") |
| ENDIF(${VAR}) |
| ENDIF(NOT DEFINED ${VAR}) |
| |
| IF(${VAR}) |
| ADD_DEFINITIONS(-fvisibility=hidden) |
| ADD_DEFINITIONS(-DHAVE_GCC_VISIBILITY) |
| ENDIF(${VAR}) |
