diff options
| author | Vadim Yanitskiy <axilirator@gmail.com> | 2017-05-10 01:01:13 +0700 |
|---|---|---|
| committer | Holger Freyther <holger@freyther.de> | 2017-05-11 15:20:03 +0000 |
| commit | 13f476282732c81f3e7d7eb6c47c9645725c7451 (patch) | |
| tree | 07331740eebf97dfdd159423aac2aa27d93a8f6f | |
| parent | b904091173d6841f4970448f1ef649e7189d74cd (diff) | |
configure.ac: fix build on systems without SIMD support
HAVE_AVX2, HAVE_SSE3 and HAVE_SSE4_1 were never defined if CPU
architecture doesn't match the (86*|x86_64*|amd64*) condition.
Change-Id: If0c3128f9768f95c1f5f955db242e71c81384c6c
| -rw-r--r-- | m4/ax_check_simd.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/ax_check_simd.m4 b/m4/ax_check_simd.m4 index d07d706f..8a0ceb70 100644 --- a/m4/ax_check_simd.m4 +++ b/m4/ax_check_simd.m4 @@ -41,6 +41,10 @@ AC_DEFUN([AX_CHECK_SIMD], [ AC_REQUIRE([AC_CANONICAL_HOST]) + AM_CONDITIONAL(HAVE_AVX2, false) + AM_CONDITIONAL(HAVE_SSE3, false) + AM_CONDITIONAL(HAVE_SSE4_1, false) + case $host_cpu in i[[3456]]86*|x86_64*|amd64*) AX_CHECK_COMPILE_FLAG(-mavx2, ax_cv_support_avx2_ext=yes, []) @@ -51,7 +55,6 @@ AC_DEFUN([AX_CHECK_SIMD], AM_CONDITIONAL(HAVE_AVX2, true) else AC_MSG_WARN([Your compiler does not support AVX2 instructions]) - AM_CONDITIONAL(HAVE_AVX2, false) fi AX_CHECK_COMPILE_FLAG(-msse3, ax_cv_support_sse3_ext=yes, []) @@ -62,7 +65,6 @@ AC_DEFUN([AX_CHECK_SIMD], AM_CONDITIONAL(HAVE_SSE3, true) else AC_MSG_WARN([Your compiler does not support SSE3 instructions]) - AM_CONDITIONAL(HAVE_SSE3, false) fi AX_CHECK_COMPILE_FLAG(-msse4.1, ax_cv_support_sse41_ext=yes, []) @@ -73,7 +75,6 @@ AC_DEFUN([AX_CHECK_SIMD], AM_CONDITIONAL(HAVE_SSE4_1, true) else AC_MSG_WARN([Your compiler does not support SSE4.1 instructions]) - AM_CONDITIONAL(HAVE_SSE4_1, false) fi ;; esac |