[ghex] build: Validate desktop file on make check

[Kalev Lember <klember src gnome org>]

commit 1bd04ab8445c9d9bca25b643ec4b3768cc47499e
Author: Kalev Lember <kalevlember gmail com>
Date:   Thu Mar 28 20:43:07 2013 +0100

    build: Validate desktop file on make check

 configure.ac     |    1 +
 data/Makefile.am |    3 +++
 2 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 762c021..591cfc1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,7 @@ AM_SILENT_RULES([yes])
 # Check for programs
 AC_PROG_CC
 AC_PROG_INSTALL
+AC_PATH_PROG(DESKTOP_FILE_VALIDATE, desktop-file-validate)
 
 # Initialize libtool
 LT_PREREQ([2.2.6])
diff --git a/data/Makefile.am b/data/Makefile.am
index b78e33b..ef71b74 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -18,6 +18,9 @@ desktop_DATA = $(desktop_in_files:.desktop.in=.desktop)
 
 @INTLTOOL_DESKTOP_RULE@
 
+check-local: ghex.desktop
+       $(DESKTOP_FILE_VALIDATE) ghex.desktop
+
 CLEANFILES =                   \
        $(desktop_DATA)