Add 'install-ptest' rule.

Signed-off-by: Mihaela Sendrea <mihaela.sendrea@enea.com>
Upstream-status: Pending
---
diff -uNr a/tests/Makefile.am b/tests/Makefile.am
--- a/tests/Makefile.am	2013-08-19 14:05:23.256292155 +0200
+++ b/tests/Makefile.am	2013-08-19 15:49:16.084543591 +0200
@@ -240,3 +240,14 @@
 coverage:
 	-$(srcdir)/coverage.sh
 endif
+
+install-ptest:
+	@$(MKDIR_P) $(DESTDIR)/tests
+	@$(MKDIR_P) $(DESTDIR)/src
+	@install $(builddir)/*$(EXEEXT) $(DESTDIR)/tests
+	@install $(srcdir)/*.sh $(DESTDIR)/tests
+	@install $(builddir)/../src/*$(EXEEXT) $(DESTDIR)/src
+	@cp $(builddir)/../Makefile $(DESTDIR)
+	@sed -i -e 's|^Makefile:|_Makefile:|' $(DESTDIR)/tests/Makefile
+	@sed -i -e 's|$(srcdir)|.|' $(DESTDIR)/tests/Makefile
+