diff options
Diffstat (limited to 'build/php.m4')
| -rw-r--r-- | build/php.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/build/php.m4 b/build/php.m4 index ec4998426c..f5351ad4eb 100644 --- a/build/php.m4 +++ b/build/php.m4 @@ -2678,6 +2678,30 @@ AC_DEFUN([PHP_CHECK_BUILTIN_CPU_SUPPORTS], [ ]) dnl +dnl PHP_CHECK_CPU_SUPPORTS +dnl +AC_DEFUN([PHP_CHECK_CPU_SUPPORTS], [ + AC_REQUIRE([PHP_CHECK_BUILTIN_CPU_INIT]) + AC_REQUIRE([PHP_CHECK_BUILTIN_CPU_SUPPORTS]) + have_ext_instructions=0 + if test $have_builtin_cpu_supports = 1; then + AC_MSG_CHECKING([for $1 instructions supports]) + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +int main() { + return __builtin_cpu_supports("$1")? 0 : 1; +} + ]])], [ + have_ext_instructions=1 + AC_MSG_RESULT([yes]) + ], [ + AC_MSG_RESULT([no]) + ], [AC_MSG_RESULT([no])]) + fi + AC_DEFINE_UNQUOTED(AS_TR_CPP([PHP_HAVE_$1_INSTRUCTIONS]), + [$have_ext_instructions], [Whether the compiler supports $1 instructions]) +]) + +dnl dnl PHP_PATCH_CONFIG_HEADERS([FILE]) dnl dnl PACKAGE_* symbols are automatically defined by Autoconf. When including |