cmake HAVE___SYNC_BOOL_COMPARE_AND_SWAP examples

gridlab-d/gridlab-d cmake/CheckDependencies.cmake :125 

FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/HAVE___SYNC_BOOL_COMPARE_AND_SWAP.cc "
int main() {
    volatile unsigned int value = 0;
    __sync_bool_compare_and_swap(&value, value, 1);
    return 0;
}")

gridlab-d/gridlab-d cmake/CheckDependencies.cmake :151 

TRY_COMPILE(HAVE___SYNC_BOOL_COMPARE_AND_SWAP ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}/HAVE___SYNC_BOOL_COMPARE_AND_SWAP.cc)