check_source_compiles ( C
    "int main(void) {
    #pragma GCC ivdep
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_GCC_IVDEP
    FAIL_REGEX "[wW]arning" )

target_compile_definitions ( UMFPACK PRIVATE "HAVE_PRAGMA_GCC_IVDEP" )

target_compile_definitions ( UMFPACK_static PRIVATE "HAVE_PRAGMA_GCC_IVDEP" )