[jhbuild] make check: validate moduleset.rnc using trang and xmllint

[Christoph Reiter <creiter src gnome org>]

commit 7c8d34736c38047ff48c5ce3fd3107587ac7bf67
Author: Christoph Reiter <creiter src gnome org>
Date:   Wed Feb 17 08:40:34 2016 +0100

    make check: validate moduleset.rnc using trang and xmllint
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762025

 .gitignore  |    1 +
 Makefile.am |    4 +++-
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index a46c099..9eb9508 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ Makefile
 Makefile.in
 autom4te.cache/
 config*.lineno
+moduleset.rng
 mo/
 /ABOUT-NLS
 /ChangeLog
diff --git a/Makefile.am b/Makefile.am
index b588c1d..b47518d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -39,9 +39,11 @@ install-exec-local:
 # This is a lower-level check than `jhbuild checkmodulesets` (which analyses the
 # module graph), and doesn't require jhbuild to be built and installed.
 #
-# This will fail if xmllint isn't installed.
+# This will fail if xmllint or trang isn't installed.
 check-modulesets:
        xmllint --noout --dtdvalid $(srcdir)/modulesets/moduleset.dtd $(MODULESETS)
+       trang $(srcdir)/modulesets/moduleset.rnc $(srcdir)/modulesets/moduleset.rng
+       xmllint --noout --relaxng $(srcdir)/modulesets/moduleset.rng $(MODULESETS)
 .PHONY: check-modulesets
 
 check: check-modulesets