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-rw-r--r--lib/VMCore/Makefile7
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/VMCore/Makefile b/lib/VMCore/Makefile
index 6c2137eadd..af3ae403b9 100644
--- a/lib/VMCore/Makefile
+++ b/lib/VMCore/Makefile
@@ -19,10 +19,13 @@ GENFILE:=$(PROJ_SRC_ROOT)/include/llvm/Intrinsics.gen
INTRINSICTD := $(PROJ_SRC_ROOT)/include/llvm/Intrinsics.td
INTRINSICTDS := $(wildcard $(PROJ_SRC_ROOT)/include/llvm/Intrinsics*.td)
-$(GENFILE): $(INTRINSICTDS) $(TBLGEN)
- $(Echo) Building Intrinsics.gen from Intrinsics.td
+$(ObjDir)/Intrinsics.gen.tmp: $(INTRINSICTDS) $(TBLGEN)
+ $(Echo) Building Intrinsics.gen.tmp from Intrinsics.td
$(Verb) $(TableGen) $(INTRINSICTD) -o $@ -gen-intrinsic
+$(GENFILE): $(ObjDir)/Intrinsics.gen.tmp
+ $(Verb) $(CMP) -s $@ $< || $(CP) $< $@
+
install-local:: $(GENFILE)
$(Echo) Installing $(PROJ_includedir)/llvm/Intrinsics.gen
$(Verb) $(DataInstall) $(GENFILE) $(PROJ_includedir)/llvm/Intrinsics.gen