cmake/ConfigureChecks.cmake

   1 INCLUDE( CheckIncludeFile )
   2 INCLUDE( CheckFunctionExists )
   3 INCLUDE( CheckSymbolExists )
   4 INCLUDE( CheckCSourceCompiles )
   5
   6 SET( PACKAGE ${PACKAGE_NAME} )
   7 SET( VERSION ${PACKAGE_VERSION} )
   8
   9 SET( BINARYDIR ${CMAKE_BINARY_DIR} )
  10 SET( SOURCEDIR ${CMAKE_SOURCE_DIR} )
  11
  12 # HEADER FILES
  13 CHECK_INCLUDE_FILE( sys/byteorder.h HAVE_SYS_BYTEORDER_H )
  14 CHECK_INCLUDE_FILE( AvailabilityMacros.h HAVE_AVAILABILITY_MACROS_H )
  15 CHECK_INCLUDE_FILE( TargetConditionals.h HAVE_TARGET_CONDITIONALS_H )
  16 CHECK_INCLUDE_FILE( libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H )
  17
  18 # FUNCTIONS
  19 CHECK_FUNCTION_EXISTS( sysconf HAVE_SYSCONF )
  20 CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapInt libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_INT )
  21 CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapLong libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG )
  22
  23 # BUILTIN
  24 CHECK_C_SOURCE_COMPILES( "
  25 volatile int a;
  26 int 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
  32 CHECK_C_SOURCE_COMPILES( "
  33 volatile long a;
  34 int 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 )