Merge branch 'PHP-7.3'

* PHP-7.3:
  Fix #76825: Undefined symbols ___cpuid_count
This commit is contained in:
Christoph M. Becker 2018-11-05 18:25:22 +01:00
commit 34e65f73bc
2 changed files with 19 additions and 1 deletions

View file

@ -491,3 +491,21 @@ dnl This is the most probable fallback so we assume yes in case of cross compile
if test "$ac_cv_huge_val_nan" = "yes"; then
AC_DEFINE([HAVE_HUGE_VAL_NAN], 1, [whether HUGE_VAL + -HUGEVAL == NAN])
fi
dnl
dnl Check whether __cpuid_count is available
dnl
AC_CACHE_CHECK(whether __cpuid_count is available, ac_cv_cpuid_count_available, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <cpuid.h>
]], [[
unsigned eax, ebx, ecx, edx;
__cpuid_count(0, 0, eax, ebx, ecx, edx);
]])], [
ac_cv_cpuid_count_available=yes
], [
ac_cv_cpuid_count_available=no
])])
if test "$ac_cv_cpuid_count_available" = "yes"; then
AC_DEFINE([HAVE_CPUID_COUNT], 1, [whether __cpuid_count is available])
fi

View file

@ -29,7 +29,7 @@ typedef struct _zend_cpu_info {
static zend_cpu_info cpuinfo = {0};
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
# ifdef HAVE_CPUID_H
# if defined(HAVE_CPUID_H) && defined(HAVE_CPUID_COUNT)
# include <cpuid.h>
static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo) {
__cpuid_count(func, subfunc, cpuinfo->eax, cpuinfo->ebx, cpuinfo->ecx, cpuinfo->edx);