diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 347404bfae..d74b7b02a1 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -3241,6 +3241,25 @@ AC_DEFUN([PHP_CHECK_BUILTIN_CPU_INIT], [ ]) +dnl PHP_CHECK_BUILTIN_CPU_SUPPORTS +AC_DEFUN([PHP_CHECK_BUILTIN_CPU_SUPPORTS], [ + AC_MSG_CHECKING([for __builtin_cpu_supports]) + + AC_TRY_LINK(, [ + return __builtin_cpu_supports("sse2")? 1 : 0; + ], [ + have_builtin_cpu_supports=1 + AC_MSG_RESULT([yes]) + ], [ + have_builtin_cpu_supports=0 + AC_MSG_RESULT([no]) + ]) + + AC_DEFINE_UNQUOTED([PHP_HAVE_BUILTIN_CPU_SUPPORTS], + [$have_builtin_cpu_supports], [Whether the compiler supports __builtin_cpu_supports]) + +]) + dnl Load the AX_CHECK_COMPILE_FLAG macro from the autoconf archive. m4_include([build/ax_check_compile_flag.m4]) |