Split "check-TESTS" into a buildtest and runtest target, so that they can
be run separately.

Signed-off-by: Björn Stenberg <bjst@enea.com>
Upstream-Status: Pending

Index: automake-1.15.1/lib/am/check.am
===================================================================
--- automake-1.15.1.orig/lib/am/check.am
+++ automake-1.15.1/lib/am/check.am
@@ -41,7 +41,7 @@ am__tty_colors = { \
   fi; \
 }
 
-.PHONY: check-TESTS
+.PHONY: check-TESTS buildtest-TESTS runtest-TESTS
 
 if !%?SERIAL_TESTS%
 
@@ -466,7 +466,14 @@ else %?SERIAL_TESTS%
 
 ## Obsolescent serial testsuite driver.
 
-check-TESTS: $(TESTS)
+AM_RECURSIVE_TARGETS += buildtest runtest
+
+buildtest-TESTS: $(TESTS)
+
+check-TESTS: buildtest-TESTS
+	$(MAKE) $(AM_MAKEFLAGS) runtest-TESTS
+
+runtest-TESTS:
 	@failed=0; all=0; xfail=0; xpass=0; skip=0; \
 	srcdir=$(srcdir); export srcdir; \
 ## Make sure Solaris VPATH-expands all members of this list, even