[PATCHv2] tests: introduce new target tests in Makefile

[Andy Shevchenko]

This patch appends Makefile to the tests subdirectory and introduces tests
target in the root Makefile.

Additionally the clean target removes temporary stuff under tests subdirectory
as well.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko at nokia.com>
---
 Makefile       |    5 +++++
 tests/Makefile |    8 ++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)
 create mode 100644 tests/Makefile

diff --git a/Makefile b/Makefile
index 7ab9743..1f264e9 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ ifeq ($(WITHOUT_XATTR), 1)
 endif
 
 SUBDIRS = lib ubi-utils mkfs.ubifs
+TESTS = tests
 
 TARGETS = ftl_format flash_erase nanddump doc_loadbios \
 	ftl_check mkfs.jffs2 flash_lock flash_unlock flash_info \
@@ -38,6 +39,7 @@ ifneq ($(BUILDDIR),$(CURDIR))
 endif
 endif
 endif
+	$(MAKE) -C $(TESTS) clean
 
 $(SYMLINKS):
 	ln -sf ../fs/jffs2/$@ $@
@@ -59,3 +61,6 @@ install:: ${TARGETS} ${SCRIPTS}
 	install -m 0755 ${TARGETS} ${SCRIPTS} ${DESTDIR}/${SBINDIR}/
 	mkdir -p ${DESTDIR}/${MANDIR}/man1
 	gzip -9c mkfs.jffs2.1 > ${DESTDIR}/${MANDIR}/man1/mkfs.jffs2.1.gz
+
+tests::
+	$(MAKE) -C $(TESTS)
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..05b37e9
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,8 @@
+
+SUBDIRS = checkfs fs-tests jittertest ubi-tests
+
+all clean tests: $(SUBDIRS)
+
+.PHONY: $(SUBDIRS)
+$(SUBDIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)
-- 
1.6.3.3