X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/06dda230f6ba5e8c835566b0d59f929284025323..6dc34ebbd8f787eb42018df5b5fb938c1c7390aa:/configure

diff --git a/configure b/configure
index e3089e21b4..52287b79e2 100755
--- a/configure
+++ b/configure
@@ -14809,8 +14809,8 @@ EOF
   fi
 
                 
-      if test "x$wx_lib_glibc21" = "xyes"; then
-      CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=500"
+          if test "x$wx_lib_glibc21" = "xyes"; then
+      CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
   fi
 
   echo $ac_n "checking for pthread_mutexattr_t""... $ac_c" 1>&6