test: add make check

We can now test all the protocol files by running make check (or distcheck)
which will pass them through the scanner.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Jonas Ådahl <jadahl@gmail.com>

.gitignore

@@ -9,3 +9,6 @@ missing
 *.pc
 autom4te.cache
 aclocal.m4
+*.trs
+*.log
+test-driver

Makefile.am

@@ -7,6 +7,9 @@ unstable_protocols =								\
 	unstable/xdg-shell/xdg-shell-unstable-v5.xml				\
 	$(NULL)
 
+stable_protocols =								\
+	$(NULL)
+
 nobase_dist_pkgdata_DATA =							\
 	$(unstable_protocols)							\
 	$(NULL)
@@ -16,3 +19,10 @@ dist_noinst_DATA =								\
 	$(NULL)
 
 noarch_pkgconfig_DATA = wayland-protocols.pc
+
+dist_check_SCRIPTS = tests/scan.sh
+
+TESTS = $(unstable_protocols) $(stable_protocols)
+TEST_EXTENSIONS = .xml
+AM_TESTS_ENVIRONMENT = SCANNER='$(wayland_scanner)'; export SCANNER;
+XML_LOG_COMPILER = $(srcdir)/tests/scan.sh

configure.ac

@@ -15,6 +15,20 @@ AC_CONFIG_MACRO_DIR([m4])
 
 AC_SUBST([WAYLAND_PROTOCOLS_VERSION], [wayland_protocols_version])
 
+AC_CANONICAL_HOST
+AC_CANONICAL_BUILD
+
+AC_ARG_VAR([wayland_scanner], [The wayland-scanner executable])
+AC_PATH_PROG([wayland_scanner], [wayland-scanner])
+if test x$wayland_scanner = x; then
+        if test x$host = x$build; then
+                PKG_CHECK_MODULES(WAYLAND_SCANNER, [wayland-scanner])
+                wayland_scanner=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
+        else
+                AC_MSG_WARN([You are cross compiling without wayland-scanner in your path.  make check will fail.])
+        fi
+fi
+
 AM_INIT_AUTOMAKE([1.11 foreign no-dist-gzip dist-xz])
 
 AM_SILENT_RULES([yes])

tests/scan.sh

@@ -0,0 +1,10 @@
+#!/bin/sh -e
+
+if [ "x$SCANNER" = "x" ] ; then
+	echo "No scanner present, test skipped." 1>&2
+	exit 77
+fi
+
+$SCANNER client-header $1 /dev/null
+$SCANNER server-header $1 /dev/null
+$SCANNER code $1 /dev/null