Add gettext support to build

autogen.sh

@@ -41,5 +41,7 @@ fi
 
 autoreconf --force --install --verbose || exit $?
 
+intltoolize || exit 1
+
 cd "$olddir"
 test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"

configure.ac

@@ -26,6 +26,8 @@ AC_INIT([xdg-app],[xdg_app_version])
 
 AC_USE_SYSTEM_EXTENSIONS
 
+IT_PROG_INTLTOOL([0.35.0])
+
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_DISABLE_STATIC
@@ -39,6 +41,12 @@ AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 no-define no-dist-gzip dist-xz tar-ustar foreign subdir-objects])
 AC_PROG_SED
 
+GETTEXT_PACKAGE=XdgApp
+AC_SUBST([GETTEXT_PACKAGE])
+AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE],["$GETTEXT_PACKAGE"],[gettext domain])
+
+AM_GLIB_GNU_GETTEXT
+
 # Enable silent rules is available
 AM_SILENT_RULES([yes])
 AM_MAINTAINER_MODE([enable])
@@ -331,5 +339,6 @@ doc/reference/Makefile
 xdg-app.pc
 lib/xdg-app-version-macros.h
 doc/reference/version.xml
+po/Makefile.in
 ])
 AC_OUTPUT