Use the native ITS support in gettext

and drop the dependency of itstool.
To get this working, need to patch out to fix a crash:
http://git.savannah.gnu.org/cgit/gettext.git/commit/?id=a0cab23332a254e3500cac2a3a984472d02180e5

configure.ac

@@ -109,13 +109,6 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [Gettext package])
 AM_GNU_GETTEXT_VERSION([0.19.8])
 AM_GNU_GETTEXT([external])
 
-if test "$os_win32" = "no"; then
-AC_PATH_PROG(ITSTOOL, [itstool])
-if test -z "$ITSTOOL"; then
-   AC_MSG_ERROR([The itstool were not found. Please install itstool.])
-fi
-fi
-
 dnl ==========================================================================
 
 if test "$os_win32" = "yes"; then

po-conf/Makevars

@@ -8,7 +8,7 @@ subdir = po-conf
 top_builddir = ..
 
 # These options get passed to xgettext.
-XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_ --its=$(top_srcdir)/src/fontconfig.its
 
 # This is the copyright holder that gets inserted into the header of the
 # $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
@@ -18,7 +18,7 @@ XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
 # or entity, or to disclaim their copyright.  The empty string stands for
 # the public domain; in this case the translators are expected to disclaim
 # their copyright.
-COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+COPYRIGHT_HOLDER = Fontconfig Author(s)
 
 # This tells whether or not to prepend "GNU " prefix to the package
 # name that gets inserted into the header of the $(DOMAIN).pot file.
@@ -76,3 +76,5 @@ PO_DEPENDS_ON_POT = yes
 # "no".  Set this to no if the POT file and PO files are maintained
 # externally.
 DIST_DEPENDS_ON_UPDATE_PO = yes
+
+

po-conf/POTFILES.in

+conf.d/10-autohint.conf
+conf.d/10-hinting-full.conf
+conf.d/10-hinting-medium.conf
+conf.d/10-hinting-none.conf
+conf.d/10-hinting-slight.conf
+conf.d/10-no-sub-pixel.conf
+conf.d/10-scale-bitmap-fonts.conf
+conf.d/10-sub-pixel-bgr.conf
+conf.d/10-sub-pixel-rgb.conf
+conf.d/10-sub-pixel-vbgr.conf
+conf.d/10-sub-pixel-vrgb.conf
+conf.d/10-unhinted.conf
+conf.d/11-lcdfilter-default.conf
+conf.d/11-lcdfilter-legacy.conf
+conf.d/11-lcdfilter-light.conf
+conf.d/20-unhint-small-vera.conf
+conf.d/25-unhint-nonlatin.conf
+conf.d/30-metric-aliases.conf
+conf.d/40-nonlatin.conf
+conf.d/45-generic.conf
+conf.d/45-latin.conf
+conf.d/49-sansserif.conf
+conf.d/50-user.conf
+conf.d/51-local.conf
+conf.d/60-generic.conf
+conf.d/60-latin.conf
+conf.d/65-fonts-persian.conf
+conf.d/65-khmer.conf
+conf.d/65-nonlatin.conf
+conf.d/69-unifont.conf
+conf.d/70-no-bitmaps.conf
+conf.d/70-yes-bitmaps.conf
+conf.d/80-delicious.conf
+conf.d/90-synthetic.conf

po/Makevars

@@ -18,7 +18,7 @@ XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
 # or entity, or to disclaim their copyright.  The empty string stands for
 # the public domain; in this case the translators are expected to disclaim
 # their copyright.
-COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+COPYRIGHT_HOLDER = Fontconfig Author(s)
 
 # This tells whether or not to prepend "GNU " prefix to the package
 # name that gets inserted into the header of the $(DOMAIN).pot file.