Enable crc32c accelleration for arm64 on OSX

[fio.git] / configure

diff --git a/configure b/configure
index a17d1cda1091e0419fbd0e2bec757604d2ae5929..182cd3c3c98d558a2ca964f119bd778faeaa639d 100755 (executable)
--- a/configure
+++ b/configure
@@ -2685,20 +2685,22 @@ print_config "libblkio engine" "$libblkio"
 
 ##########################################
 # check march=armv8-a+crc+crypto
-if test "$march_armv8_a_crc_crypto" != "yes" ; then
-  march_armv8_a_crc_crypto="no"
-fi
+march_armv8_a_crc_crypto="no"
 if test "$cpu" = "arm64" ; then
   cat > $TMPC <<EOF
+#if __linux__
 #include <arm_acle.h>
 #include <arm_neon.h>
 #include <sys/auxv.h>
+#endif
 
 int main(void)
 {
   /* Can we also do a runtime probe? */
 #if __linux__
   return getauxval(AT_HWCAP);
+#elif defined(__APPLE__)
+  return 0;
 #else
 # error "Don't know how to do runtime probe for ARM CRC32c"
 #endif