test: check POTFILES.in in test suite

(It is already tested in dist(check) but that is way too slow.)

test/Makefile.am

@@ -23,7 +23,8 @@ check_PROGRAMS = \
         $(NULL)
 
 check_SCRIPTS = \
-    modules/lua/telnet.sh
+	modules/lua/telnet.sh \
+	check_POTFILES.sh
 
 # Disabled test:
 # meta: No suitable test file
@@ -37,7 +38,7 @@ EXTRA_DIST = samples/empty.voc samples/image.jpg $(check_SCRIPTS)
 
 check_HEADERS = libvlc/test.h libvlc/libvlc_additions.h
 
-TESTS = $(check_PROGRAMS)
+TESTS = $(check_PROGRAMS) check_POTFILES.sh
 
 DISTCLEANFILES = samples/test.sample samples/meta.sample
 

test/check_POTFILES.sh

+#! /bin/sh
+
+top_srcdir="${srcdir}/.."
+
+set -xe
+
+cd ${top_srcdir}
+
+grep -v '^#' po/POTFILES.in | \
+while read f
+do
+	test -n "$f" || continue
+	if test ! -f "$f"
+	then
+		echo "$f: source file missing!" >&2
+		exit 1
+	fi
+done