svn commit: r1907988 - /apr/apr/trunk/configure.in

[yl...@apache.org]

Author: ylavic
Date: Thu Mar  2 16:08:25 2023
New Revision: 1907988

URL: http://svn.apache.org/viewvc?rev=1907988&view=rev
Log:
configure: atomic builtins might be implemented for i586 and i686.


Modified:
    apr/apr/trunk/configure.in

Modified: apr/apr/trunk/configure.in
URL: http://svn.apache.org/viewvc/apr/apr/trunk/configure.in?rev=1907988&r1=1907987&r2=1907988&view=diff
==============================================================================
--- apr/apr/trunk/configure.in (original)
+++ apr/apr/trunk/configure.in Thu Mar  2 16:08:25 2023
@@ -566,6 +566,9 @@ if test "$ap_cv_atomic_builtins" = "yes"
     if test "$ap_cv__atomic_builtins" = "yes"; then
         AC_DEFINE(HAVE__ATOMIC_BUILTINS, 1, [Define if compiler provides 32bit __atomic builtins])
     fi
+    has_atomic_builtins=yes
+else
+    has_atomic_builtins=no
 fi
 
 AC_CACHE_CHECK([whether the compiler provides 64bit atomic builtins], [ap_cv_atomic_builtins64],
@@ -829,10 +832,15 @@ AC_ARG_ENABLE(nonportable-atomics,
    force_generic_atomics=yes
  fi
 ],
-[case $host_cpu in
-   i[[456]]86) force_generic_atomics=yes ;;
-   *) force_generic_atomics=no
-      case $host in
+[force_generic_atomics=no
+case $host_cpu in
+   i[[34]]86) force_generic_atomics=yes;;
+   i[[56]]86)
+      if test $has_atomic_builtins != yes; then
+        force_generic_atomics=yes
+      fi
+      ;;
+   *) case $host in
          *solaris2.10*)
             AC_TRY_COMPILE(
                 [#include <atomic.h>],
@@ -847,7 +855,6 @@ AC_ARG_ENABLE(nonportable-atomics,
       ;;
 esac
 ])
-
 if test $force_generic_atomics = yes; then
    AC_DEFINE([USE_ATOMICS_GENERIC], 1,
              [Define if use of generic atomics is requested])