improve compatibility with mingw, patch by Alain Frisch

[oota-llvm.git] / lib / VMCore / Makefile

diff --git a/lib/VMCore/Makefile b/lib/VMCore/Makefile
index 424d87499645babe31438c25bca4d44f5041848a..35ef865b8f151afe3f0659375af0804878a76a66 100644 (file)
--- a/lib/VMCore/Makefile
+++ b/lib/VMCore/Makefile
@@ -2,20 +2,16 @@
 # 
 #                     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
 
-include $(LEVEL)/Makefile.config
-ifeq ($(ARCH),Alpha)
-BUILD_ARCHIVE = 1
-endif
-
 include $(LEVEL)/Makefile.common
 
 GENFILE:=$(PROJ_SRC_ROOT)/include/llvm/Intrinsics.gen
@@ -23,9 +19,15 @@ GENFILE:=$(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
-       $(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)
-       $(DataInstall) $(GENFILE) $(PROJ_includedir)/llvm/Intrinsics.gen
+       $(Echo) Installing $(PROJ_includedir)/llvm/Intrinsics.gen
+       $(Verb) $(DataInstall) $(GENFILE) $(PROJ_includedir)/llvm/Intrinsics.gen