use buffered DC again

[wxWidgets.git] / configure

diff --git a/configure b/configure
index c3bf79365e601fb84238593ce86f462601f8371c..9ef0e3dfba5d2fccd9ddca0051cacb663ff342bb 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
 #! /bin/sh

-# From configure.in Id: configure.in 50226 2007-11-24 19:11:19Z PC .
+# From configure.in Id: configure.in 50303 2007-11-28 06:46:25Z PC .

 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for wxWidgets 2.9.0.
 #
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for wxWidgets 2.9.0.
 #


@@ -24772,8 +24772,8 @@ fi
 
 
   if test -n "$GCC"; then
 
 
   if test -n "$GCC"; then

-    { echo "$as_me:$LINENO: checking for __sync_fetch_* builtins" >&5
-echo $ECHO_N "checking for __sync_fetch_* builtins... $ECHO_C" >&6; }
+    { echo "$as_me:$LINENO: checking for __sync_fetch_and_add and __sync_sub_and_fetch builtins" >&5
+echo $ECHO_N "checking for __sync_fetch_and_add and __sync_sub_and_fetch builtins... $ECHO_C" >&6; }

     if test "${wx_cv_cc_gcc_atomic_builtins+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
     if test "${wx_cv_cc_gcc_atomic_builtins+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else


@@ -24789,22 +24789,25 @@ int
 main ()
 {
 
 main ()
 {
 

-          int value=0;
-          __sync_fetch_and_add(&value, 1);
+          unsigned int value=0;
+          /* wxAtomicInc doesn't use return value here */
+          __sync_fetch_and_add(&value, 2);

           __sync_sub_and_fetch(&value, 1);
           __sync_sub_and_fetch(&value, 1);

+          /* but wxAtomicDec does, so mimic that: */
+          unsigned int r2 = __sync_sub_and_fetch(&value, 1);

 
   ;
   return 0;
 }
 _ACEOF
 
   ;
   return 0;
 }
 _ACEOF

-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"

 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5

-  (eval "$ac_compile") 2>conftest.er1
+  (eval "$ac_link") 2>conftest.er1

   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1
   ac_status=$?
   grep -v '^ *+' conftest.er1 >conftest.err
   rm -f conftest.er1


@@ -24813,7 +24816,8 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
   (exit $ac_status); } && {
         test -z "$ac_cxx_werror_flag" ||
         test ! -s conftest.err
   (exit $ac_status); } && {
         test -z "$ac_cxx_werror_flag" ||
         test ! -s conftest.err

-       } && test -s conftest.$ac_objext; then
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then

   wx_cv_cc_gcc_atomic_builtins=yes
 else
   echo "$as_me: failed program was:" >&5
   wx_cv_cc_gcc_atomic_builtins=yes
 else
   echo "$as_me: failed program was:" >&5


@@ -24822,7 +24826,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
        wx_cv_cc_gcc_atomic_builtins=no
 fi
 
        wx_cv_cc_gcc_atomic_builtins=no
 fi
 

-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext

 
 fi
 
 
 fi