X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=lib%2FVMCore%2FMakefile;h=59062a18038beb6c808f406de489cc9ea35a90d1;hp=6c2137eaddb0acea78b09ee2112eb9a9ecd9d90b;hb=92e73d7628436ef76b0e9bb7f8224f02128e9906;hpb=18c8b49e7d3c94d7f84a4205a19f8761722fc4e5

diff --git a/lib/VMCore/Makefile b/lib/VMCore/Makefile
index 6c2137eaddb..59062a18038 100644
--- a/lib/VMCore/Makefile
+++ b/lib/VMCore/Makefile
@@ -2,26 +2,31 @@
 # 
 #                     The LLVM Compiler Infrastructure
 #
-# This file was developed by the LLVM research group and is distributed under
-# the University of Illinois Open Source License. See LICENSE.TXT for details.
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
 # 
 ##===----------------------------------------------------------------------===##
 LEVEL = ../..
 LIBRARYNAME = LLVMCore
 BUILD_ARCHIVE = 1
 
-BUILT_SOURCES = $(PROJ_SRC_ROOT)/include/llvm/Intrinsics.gen
+BUILT_SOURCES = $(PROJ_OBJ_ROOT)/include/llvm/Intrinsics.gen
 
 include $(LEVEL)/Makefile.common
 
-GENFILE:=$(PROJ_SRC_ROOT)/include/llvm/Intrinsics.gen
+GENFILE:=$(PROJ_OBJ_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
-	$(Verb) $(TableGen) $(INTRINSICTD) -o $@ -gen-intrinsic
+$(ObjDir)/Intrinsics.gen.tmp: $(ObjDir)/.dir $(INTRINSICTDS) $(TBLGEN)
+	$(Echo) Building Intrinsics.gen.tmp from Intrinsics.td
+	$(Verb) $(TableGen) $(call SYSPATH, $(INTRINSICTD)) -o $(call SYSPATH, $@) -gen-intrinsic
+
+$(GENFILE): $(ObjDir)/Intrinsics.gen.tmp
+	$(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \
+	  $(EchoCmd) Updated Intrinsics.gen because Intrinsics.gen.tmp \
+	    changed significantly. )
 
 install-local:: $(GENFILE)
 	$(Echo) Installing $(PROJ_includedir)/llvm/Intrinsics.gen