diff options
| -rw-r--r-- | configure.ac | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 5ff78eb0..027a1680 100644 --- a/configure.ac +++ b/configure.ac @@ -619,6 +619,9 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ #ifndef __arm__ #error "IWMMXT is only available on ARM" #endif +#ifndef __IWMMXT__ +#error "IWMMXT not enabled (with -march=iwmmxt)" +#endif #if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)) #error "Need GCC >= 4.5 for IWMMXT intrinsics" #endif |