diff --git a/common/autoconf/generated-configure.sh b/common/autoconf/generated-configure.sh
index 85a453c9d55..4d9ec980421 100644
--- a/common/autoconf/generated-configure.sh
+++ b/common/autoconf/generated-configure.sh
@@ -3753,7 +3753,7 @@ fi
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1363617192
+DATE_WHEN_GENERATED=1363706268
 
 ###############################################################################
 #
@@ -29830,7 +29830,7 @@ if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
 _ACEOF
  X11_A_OK=yes
 else
-  X11_A_OK=no
+  X11_A_OK=no; break
 fi
 
 done
diff --git a/common/autoconf/libraries.m4 b/common/autoconf/libraries.m4
index 91b0a846e5f..6cc9d634b60 100644
--- a/common/autoconf/libraries.m4
+++ b/common/autoconf/libraries.m4
@@ -182,7 +182,7 @@ CFLAGS="$CFLAGS $X_CFLAGS"
 # Need to include Xlib.h and Xutil.h to avoid "present but cannot be compiled" warnings on Solaris 10
 AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h],
                  [X11_A_OK=yes],
-                 [X11_A_OK=no],
+                 [X11_A_OK=no; break],
                  [ # include <X11/Xlib.h>
                    # include <X11/Xutil.h>
                  ])