1INCLUDE( CheckIncludeFile ) 2INCLUDE( CheckFunctionExists ) 3INCLUDE( CheckSymbolExists ) 4INCLUDE( CheckCSourceCompiles ) 5 6SET( PACKAGE ${PACKAGE_NAME} ) 7SET( VERSION ${PACKAGE_VERSION} ) 8 9SET( BINARYDIR ${CMAKE_BINARY_DIR} ) 10SET( SOURCEDIR ${CMAKE_SOURCE_DIR} ) 11 12# HEADER FILES 13CHECK_INCLUDE_FILE( sys/byteorder.h HAVE_SYS_BYTEORDER_H ) 14CHECK_INCLUDE_FILE( AvailabilityMacros.h HAVE_AVAILABILITY_MACROS_H ) 15CHECK_INCLUDE_FILE( TargetConditionals.h HAVE_TARGET_CONDITIONALS_H ) 16CHECK_INCLUDE_FILE( libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H ) 17 18# FUNCTIONS 19CHECK_FUNCTION_EXISTS( sysconf HAVE_SYSCONF ) 20CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapInt libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_INT ) 21CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapLong libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG ) 22 23# BUILTIN 24CHECK_C_SOURCE_COMPILES( " 25volatile int a; 26int main(int argc, char *argv[]) { 27 (void)__sync_bool_compare_and_swap(&a, 1, 2); 28 return 0; 29} 30" HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT ) 31 32CHECK_C_SOURCE_COMPILES( " 33volatile long a; 34int main(int argc, char *argv[]) { 35 (void)__sync_bool_compare_and_swap(&a, 1, 2); 36 return 0; 37} 38" HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG ) 39