[lightsoff] Validate appdata and desktop file at make check

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 65a407560a9597d0a1f94c81815eecd1f8c27427
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 5 14:41:49 2013 -0500

    Validate appdata and desktop file at make check

 configure.ac     |    3 +++
 data/Makefile.am |    4 ++++
 2 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 12e94e3..f03199f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,9 @@ PKG_CHECK_MODULES(LIGHTSOFF, [
 
 AC_CHECK_LIB([m],[floor])
 
+AC_PATH_PROG(APPDATA_VALIDATE, appdata-validate)
+AC_PATH_PROG(DESKTOP_FILE_VALIDATE, desktop-file-validate)
+
 dnl ###########################################################################
 dnl Internationalization
 dnl ###########################################################################
diff --git a/data/Makefile.am b/data/Makefile.am
index 2725815..cda40a8 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -31,4 +31,8 @@ EXTRA_DIST = \
        $(gsettings_in_file) \
        $(desktop_in_file)
 
+check-local: $(appdata_DATA) $(desktop_DATA)
+       $(APPDATA_VALIDATE) $(appdata_DATA)
+       $(DESKTOP_FILE_VALIDATE) $(desktop_DATA)
+
 -include $(top_srcdir)/git.mk