make sure to touch the ngc file when synthesis completes, even if unchanged

diff --git a/common/Makefile.common b/common/Makefile.common
index 1cb35934680a3f46504aa1be385800c246f91034..7b042b5f4ee1ad50eb35a8e00d73722e25369dfa 100644 (file)
--- a/common/Makefile.common
+++ b/common/Makefile.common
@@ -29,6 +29,7 @@ $(PROJECT).ngc: $(SOURCES) $(PROJECT).prj $(PROJECT).ucf $(PROJECT).xst
        @# echo synclib > $(PROJECT).lso # hmm. things are different in ise 9.1
        echo work > $(PROJECT).lso
        xst -intstyle $(INTSTYLE) -ifn $(PROJECT).xst -ofn $(PROJECT).syr
+       @touch $(PROJECT).ngc
        @#cat $(PROJECT).syr
 
 $(PROJECT).ngd: $(PROJECT).ngc