make gettext optional

some problem might arise like undef symbols if
they are not guarded correctly (like in alarm,
see next commit)


SVN revision: 59994

Makefile.am

@@ -15,7 +15,13 @@ MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
                        m4/signed.m4 m4/size_max.m4 m4/wchar_t.m4 \
                        m4/wint_t.m4 m4/xsize.m4
 
-SUBDIRS = src po
+SUBDIRS = src
+
+if HAVE_PO
+
+SUBDIRS += po
+
+endif
 
 EDJE_FLAGS = -v \
 	     -id $(top_srcdir)/images

configure.ac

@@ -26,8 +26,18 @@ define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])dnl
 define([AC_LIBTOOL_LANG_F77_CONFIG], [:])dnl
 AC_PROG_LIBTOOL
 
+m4_ifdef([AM_GNU_GETTEXT_VERSION], [
+AM_GNU_GETTEXT_VERSION([0.14])
+])
+
+m4_ifdef([AM_GNU_GETTEXT], [
 AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION(0.14)
+po_makefile_in=po/Makefile.in
+AM_CONDITIONAL([HAVE_PO], [true])
+],[
+AM_CONDITIONAL([HAVE_PO], [false])
+])
+AC_SUBST(LTLIBINTL)
 
 PKG_CHECK_MODULES(E, [enlightenment])
 release=$(pkg-config --variable=release enlightenment)
@@ -60,8 +70,8 @@ AC_OUTPUT([
 Makefile
 src/Makefile
 e_modules-tclock.spec
-po/Makefile.in
 module.desktop
+$po_makefile_in
 ], [
 ])