Add the check target so all projects can have this
functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18566 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index d2d0556f..a160c02 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -20,10 +20,10 @@
 # Define the various target sets
 #--------------------------------------------------------------------
 RecursiveTargets := all clean clean-all install uninstall install-bytecode
-LocalTargets     := all-local clean-local clean-all-local \
+LocalTargets     := all-local clean-local clean-all-local check-local \
                     install-local printvars uninstall-local \
 		    install-bytecode-local
-TopLevelTargets  := dist dist-check dist-clean tags dist-gzip dist-bzip2 \
+TopLevelTargets  := check dist dist-check dist-clean tags dist-gzip dist-bzip2 \
                     dist-zip
 UserTargets      := $(RecursiveTargets) $(LocalTargets) $(TopLevelTargets)
 InternalTargets  := preconditions distdir dist-hook
@@ -1090,6 +1090,23 @@
 endif 
 
 ###############################################################################
+# CHECK: Running the test suite
+###############################################################################
+
+check::
+	$(Verb) if test -d "$(BUILD_OBJ_ROOT)/test" ; then \
+	  if test -f "$(BUILD_OBJ_ROOT)/test/Makefile" ; then \
+	    $(EchoCmd) Running test suite ; \
+	    $(MAKE) -C $(BUILD_OBJ_ROOT)/test check-local \
+	      TESTSUITE=$(TESTSUITE) ; \
+	  else \
+	    $(EchoCmd) No Makefile in test directory ; \
+	  fi ; \
+	else \
+	  $(EchoCmd) No test directory ; \
+	fi
+
+###############################################################################
 # DISTRIBUTION: Handle construction of a distribution tarball
 ###############################################################################
 
@@ -1212,7 +1229,7 @@
 	  fi ; \
 	  $(EchoCmd) Removing old $(DistDir) ; \
 	  $(RM) -rf $(DistDir); \
-	  $(EchoCmd) Making 'all' to be sure. ; \
+	  $(EchoCmd) Making 'all' to verify build ; \
 	  $(MAKE) all ; \
 	fi
 	$(Echo) Building Distribution Directory $(DistDir)
@@ -1296,7 +1313,7 @@
 ifeq ($(LEVEL),.)
 
 #------------------------------------------------------------------------
-# Install support for project's include files:
+# Install support for the project's include files:
 #------------------------------------------------------------------------
 install-local::
 	$(Echo) Installing include files