diff -pruN imsettings-1.6.8.orig/configure.ac imsettings-1.6.8/configure.ac
--- imsettings-1.6.8.orig/configure.ac	2015-01-15 17:04:54.000000000 +0900
+++ imsettings-1.6.8/configure.ac	2015-02-23 19:03:45.178127747 +0900
@@ -14,7 +14,7 @@ AM_MAINTAINER_MODE
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4macros])
 
-AX_CHECK_ENABLE_DEBUG
+dnl AX_CHECK_ENABLE_DEBUG
 
 LT_PREREQ([2.2])
 LT_INIT([disable-static])
@@ -174,14 +174,14 @@ AM_CONDITIONAL(ENABLE_XIM, test x$use_xi
 dnl ======================================================================
 dnl check another libraries
 dnl ======================================================================
-im_saved_CFLAGS="$CFLAGS"
-CFLAGS=$(echo $CFLAGS | sed -e 's/\-Werror.*//g')
+dnl im_saved_CFLAGS="$CFLAGS"
+dnl CFLAGS=$(echo $CFLAGS | sed -e 's/\-Werror.*//g')
 AM_PATH_GLIB_2_0($GLIB_REQUIRED, :,
 	AC_MSG_ERROR([
 *** GLIB $GLIB_REQUIRED or better is required. The latest version of
 *** GLIB is always available from ftp://ftp.gtk.org/.]),
     glib)
-CFLAGS="$im_saved_CFLAGS"
+dnl CFLAGS="$im_saved_CFLAGS"
 
 GOBJECT_INTROSPECTION_CHECK([1.30.0])