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-rw-r--r--sysdeps/i386/configure25
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure
index 7814b3b313..21225cd9c9 100644
--- a/sysdeps/i386/configure
+++ b/sysdeps/i386/configure
@@ -656,3 +656,28 @@ fi
 fi
 { $as_echo "$as_me:$LINENO: result: $libc_cv_as_i686" >&5
 $as_echo "$libc_cv_as_i686" >&6; }
+
+{ $as_echo "$as_me:$LINENO: checking for AVX support" >&5
+$as_echo_n "checking for AVX support... " >&6; }
+if test "${libc_cv_cc_avx+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if { ac_try='${CC-cc} -mavx -xc /dev/null -S -o /dev/null'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  libc_cv_cc_avx=yes
+else
+  libc_cv_cc_avx=no
+fi
+fi
+{ $as_echo "$as_me:$LINENO: result: $libc_cv_cc_avx" >&5
+$as_echo "$libc_cv_cc_avx" >&6; }
+if test $libc_cv_cc_avx = yes; then
+  cat >>confdefs.h <<\_ACEOF
+#define HAVE_AVX_SUPPORT 1
+_ACEOF
+
+fi