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| -rw-r--r-- | configure.ac | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 864dc2787..376eb751c 100644 --- a/configure.ac +++ b/configure.ac @@ -2212,6 +2212,7 @@ if test x$WITH_CAL != x0; then unsigned char buf1[[128]]; input1 = _mm_loadu_si128((const __m128i *)buf1); input1 = _mm_hadd_epi32(input1, input1); + (void)_mm_extract_epi64(input1, 0); return(0); ])], [HAVE_SSE4_2="-DHAVE_SSE4_2"], [HAVE_SSE4_2=""]) |