configure: Merge the libX11 and libXext existence check with the soname check.
diff --git a/configure b/configure
index c5f1101..3790365 100755
--- a/configure
+++ b/configure
@@ -8945,6 +8945,163 @@
     ac_save_CPPFLAGS="$CPPFLAGS"
     CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 
+    { echo "$as_me:$LINENO: checking for -lX11" >&5
+echo $ECHO_N "checking for -lX11... $ECHO_C" >&6; }
+if test "${ac_cv_lib_soname_X11+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_soname_save_LIBS=$LIBS
+LIBS="-lX11 $X_LIBS $X_EXTRA_LIBS $LIBS"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XCreateWindow ();
+int
+main ()
+{
+return XCreateWindow ();
+  ;
+  return 0;
+}
+_ACEOF
+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: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  case "$LIBEXT" in
+    dll) ;;
+    dylib) ac_cv_lib_soname_X11=`otool -L conftest$ac_exeext | grep "libX11\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libX11\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
+    *) ac_cv_lib_soname_X11=`$ac_cv_path_LDD conftest$ac_exeext | grep "libX11\\.$LIBEXT" | sed -e "s/^.*\(libX11\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
+  esac
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LIBS=$ac_check_soname_save_LIBS
+fi
+if test "x$ac_cv_lib_soname_X11" = "x"; then
+  { echo "$as_me:$LINENO: result: not found" >&5
+echo "${ECHO_T}not found" >&6; }
+
+else
+  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_X11" >&5
+echo "${ECHO_T}$ac_cv_lib_soname_X11" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SONAME_LIBX11 "$ac_cv_lib_soname_X11"
+_ACEOF
+
+
+fi
+
+    { echo "$as_me:$LINENO: checking for -lXext" >&5
+echo $ECHO_N "checking for -lXext... $ECHO_C" >&6; }
+if test "${ac_cv_lib_soname_Xext+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_soname_save_LIBS=$LIBS
+LIBS="-lXext $X_LIBS -lX11 $X_EXTRA_LIBS $LIBS"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char XextCreateExtension ();
+int
+main ()
+{
+return XextCreateExtension ();
+  ;
+  return 0;
+}
+_ACEOF
+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: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  case "$LIBEXT" in
+    dll) ;;
+    dylib) ac_cv_lib_soname_Xext=`otool -L conftest$ac_exeext | grep "libXext\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libXext\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
+    *) ac_cv_lib_soname_Xext=`$ac_cv_path_LDD conftest$ac_exeext | grep "libXext\\.$LIBEXT" | sed -e "s/^.*\(libXext\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
+  esac
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+  LIBS=$ac_check_soname_save_LIBS
+fi
+if test "x$ac_cv_lib_soname_Xext" = "x"; then
+  { echo "$as_me:$LINENO: result: not found" >&5
+echo "${ECHO_T}not found" >&6; }
+
+else
+  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_Xext" >&5
+echo "${ECHO_T}$ac_cv_lib_soname_Xext" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define SONAME_LIBXEXT "$ac_cv_lib_soname_Xext"
+_ACEOF
+
+
+fi
+
+
 
 
 
@@ -9487,7 +9644,7 @@
 
         fi
 
-                if test "$ac_cv_header_X11_extensions_Xrender_h" = "yes"
+                if test "$ac_cv_header_X11_extensions_Xrender_h" = "yes" -a "x$ac_cv_lib_soname_X11" != "x" -a "x$ac_cv_lib_soname_Xext" != "x"
         then
             { echo "$as_me:$LINENO: checking for -lXrender" >&5
 echo $ECHO_N "checking for -lXrender... $ECHO_C" >&6; }
@@ -15225,163 +15382,6 @@
 _ACEOF
 
 
-{ echo "$as_me:$LINENO: checking for -lX11" >&5
-echo $ECHO_N "checking for -lX11... $ECHO_C" >&6; }
-if test "${ac_cv_lib_soname_X11+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_soname_save_LIBS=$LIBS
-LIBS="-lX11 $X_LIBS $X_EXTRA_LIBS $LIBS"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char XCreateWindow ();
-int
-main ()
-{
-return XCreateWindow ();
-  ;
-  return 0;
-}
-_ACEOF
-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: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
-  case "$LIBEXT" in
-    dll) ;;
-    dylib) ac_cv_lib_soname_X11=`otool -L conftest$ac_exeext | grep "libX11\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libX11\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
-    *) ac_cv_lib_soname_X11=`$ac_cv_path_LDD conftest$ac_exeext | grep "libX11\\.$LIBEXT" | sed -e "s/^.*\(libX11\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
-  esac
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-  LIBS=$ac_check_soname_save_LIBS
-fi
-if test "x$ac_cv_lib_soname_X11" = "x"; then
-  { echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6; }
-
-else
-  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_X11" >&5
-echo "${ECHO_T}$ac_cv_lib_soname_X11" >&6; }
-
-cat >>confdefs.h <<_ACEOF
-#define SONAME_LIBX11 "$ac_cv_lib_soname_X11"
-_ACEOF
-
-
-fi
-
-{ echo "$as_me:$LINENO: checking for -lXext" >&5
-echo $ECHO_N "checking for -lXext... $ECHO_C" >&6; }
-if test "${ac_cv_lib_soname_Xext+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_soname_save_LIBS=$LIBS
-LIBS="-lXext $X_LIBS -lX11 $X_EXTRA_LIBS $LIBS"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char XextCreateExtension ();
-int
-main ()
-{
-return XextCreateExtension ();
-  ;
-  return 0;
-}
-_ACEOF
-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: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
-  case "$LIBEXT" in
-    dll) ;;
-    dylib) ac_cv_lib_soname_Xext=`otool -L conftest$ac_exeext | grep "libXext\\.[0-9A-Za-z.]*dylib" | sed -e "s/^.*\/\(libXext\.[0-9A-Za-z.]*dylib\).*$/\1/"';2,$d'` ;;
-    *) ac_cv_lib_soname_Xext=`$ac_cv_path_LDD conftest$ac_exeext | grep "libXext\\.$LIBEXT" | sed -e "s/^.*\(libXext\.$LIBEXT[^	 ]*\).*$/\1/"';2,$d'` ;;
-  esac
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-  LIBS=$ac_check_soname_save_LIBS
-fi
-if test "x$ac_cv_lib_soname_Xext" = "x"; then
-  { echo "$as_me:$LINENO: result: not found" >&5
-echo "${ECHO_T}not found" >&6; }
-
-else
-  { echo "$as_me:$LINENO: result: $ac_cv_lib_soname_Xext" >&5
-echo "${ECHO_T}$ac_cv_lib_soname_Xext" >&6; }
-
-cat >>confdefs.h <<_ACEOF
-#define SONAME_LIBXEXT "$ac_cv_lib_soname_Xext"
-_ACEOF
-
-
-fi
-
-