If we are not building in the existing source tree, the testsuite
directory will not exist so the cp of the stamp-rootfs would fail.

Also added buildtest-TESTS so they could be build in the cross env,
without running the tests.

Upstream-Status: Accepted

Signed-off-by: Saul Wold <sgw@linux.intel.com>

Index: git/Makefile.am
===================================================================
--- git.orig/Makefile.am
+++ git/Makefile.am
@@ -131,7 +131,7 @@ endif
 
 ROOTFS = testsuite/rootfs
 ROOTFS_PRISTINE = $(top_srcdir)/testsuite/rootfs-pristine
-CREATE_ROOTFS = $(AM_V_GEN) ( $(RM) -rf $(ROOTFS) && \
+CREATE_ROOTFS = $(AM_V_GEN) ( $(RM) -rf $(ROOTFS) && mkdir -p $(dir $(ROOTFS)) && \
 				cp -r $(ROOTFS_PRISTINE) $(ROOTFS) && \
 				touch testsuite/stamp-rootfs && \
 				find $(ROOTFS) -type d -exec chmod +w {} \; )
@@ -217,6 +217,9 @@ DISTCHECK_CONFIGURE_FLAGS=--enable-gtk-d
 
 distclean-local: $(DISTCLEAN_LOCAL_HOOKS)
 
+buildtest-TESTS:
+	$(MAKE) $(AM_MAKEFLAGS) $(check_LTLIBRARIES) $(check_PROGRAMS)
+
 install-ptest:
 	@$(MKDIR_P) $(DESTDIR)/testsuite
 	@for file in $(TESTSUITE); do \