Fixed the conditional targets for postscript files and tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8823 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index 0787891..9152f8e 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -550,7 +550,7 @@
# Create a TAGS database for emacs
#------------------------------------------------------------------------
-ifdef ETAGS
+ifneq ($(ETAGS),false)
ifeq ($(LEVEL), .)
SRCDIRS := $(wildcard $(SourceDir)/include $(SourceDir)/lib $(SourceDir)/tools)
@@ -729,7 +729,7 @@
@$(DATE) > $@
# To create postscript files from dot files...
-ifdef DOT
+ifneq ($(DOT),false)
%.ps: %.dot
${DOT} -Tps < $< > $@
else