X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=Makefile.rules;h=e3a1009b862bc5c4fcae94120ae43a5108335d24;hb=81442c0d832872c8f50ec72aeaf937e06d8f3dfb;hp=2852ac38bfc888a30464c4adc71407444eb1e70f;hpb=eff155349acd73e555a81e7935a9ec4f48ea2bb5;p=oota-llvm.git

diff --git a/Makefile.rules b/Makefile.rules
index 2852ac38bfc..e3a1009b862 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -2,8 +2,8 @@
 #
 #                     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.
 # 
 #===------------------------------------------------------------------------===#
 #
@@ -23,7 +23,7 @@ RecursiveTargets := all clean clean-all install uninstall install-bytecode
 LocalTargets     := all-local clean-local clean-all-local check-local \
                     install-local printvars uninstall-local \
 		    install-bytecode-local
-TopLevelTargets  := check dist dist-check dist-clean tags dist-gzip dist-bzip2 \
+TopLevelTargets  := check dist dist-check dist-clean dist-gzip dist-bzip2 \
                     dist-zip
 UserTargets      := $(RecursiveTargets) $(LocalTargets) $(TopLevelTargets)
 InternalTargets  := preconditions distdir dist-hook
@@ -1079,23 +1079,28 @@ ifndef DISABLE_AUTO_DEPENDENCIES
 # Create .lo files in the ObjDir directory from the .cpp and .c files...
 #---------------------------------------------------------
 
+DEPEND_OPTIONS = -MMD -MP -MF "$(ObjDir)/$*.d.tmp" \
+         -MT "$(ObjDir)/$*.lo" -MT "$(ObjDir)/$*.o" -MT "$(ObjDir)/$*.d"
+         
+# If the build succeeded, move the dependency file over.  If it failed, put an
+# empty file there.
+DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \
+                  else $(RM) "$(ObjDir)/$*.d.tmp"; exit 1; fi
+
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES)
 	$(Echo) "Compiling $*.cpp for $(BuildMode) build " $(PIC_FLAG)
-	$(Verb) if $(MAYBE_PIC_Compile.CXX) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACXXd $< -o $@ ;\
-	  then $(MV) -f "$(ObjDir)/$*.LACXXd" "$(ObjDir)/$*.d"; \
-	  else $(RM) -f "$(ObjDir)/$*.LACXXd"; exit 1; fi
+	$(Verb) if $(MAYBE_PIC_Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+	        $(DEPEND_MOVEFILE)
 
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES)
 	$(Echo) "Compiling $*.cc for $(BuildMode) build" $(PIC_FLAG)
-	$(Verb) if $(MAYBE_PIC_Compile.CXX) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACXXd $< -o $@ ;\
-	then $(MV) -f "$(ObjDir)/$*.LACXXd" "$(ObjDir)/$*.d"; \
-	else $(RM) -f "$(ObjDir)/$*.LACXXd"; exit 1; fi
+	$(Verb) if $(MAYBE_PIC_Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+	        $(DEPEND_MOVEFILE)
 
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES)
 	$(Echo) "Compiling $*.c for $(BuildMode) build" $(PIC_FLAG)
-	$(Verb) if $(MAYBE_PIC_Compile.C) -MD -MT $@ -MP -MF $(ObjDir)/$*.LACd $< -o $@ ; \
-	then $(MV) -f "$(ObjDir)/$*.LACd" "$(ObjDir)/$*.d"; \
-	else $(RM) -f "$(ObjDir)/$*.LACd"; exit 1; fi
+	$(Verb) if $(MAYBE_PIC_Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
+	        $(DEPEND_MOVEFILE)
 
 #---------------------------------------------------------
 # Create .bc files in the ObjDir directory from .cpp .cc and .c files...
@@ -1439,25 +1444,6 @@ endif
 clean-all-local::
 	-$(Verb) $(RM) -rf Debug Release Profile
 
-# Build tags database for Emacs/Xemacs:
-tags:: TAGS CTAGS
-
-TAGS: 
-	find $(PROJ_SRC_ROOT)/include $(PROJ_SRC_ROOT)/lib \
-          $(PROJ_SRC_ROOT)/tools $(PROJ_SRC_ROOT)/examples \
-          $(PROJ_OBJ_ROOT)/include $(PROJ_OBJ_ROOT)/lib \
-          $(PROJ_OBJ_ROOT)/tools $(PROJ_OBJ_ROOT)/examples \
-        -name '*.cpp' -o -name '*.h' | \
-        $(ETAGS) $(ETAGSFLAGS) -
-
-CTAGS:
-	find $(PROJ_SRC_ROOT)/include $(PROJ_SRC_ROOT)/lib \
-          $(PROJ_SRC_ROOT)/tools $(PROJ_SRC_ROOT)/examples \
-          $(PROJ_OBJ_ROOT)/include $(PROJ_OBJ_ROOT)/lib \
-          $(PROJ_OBJ_ROOT)/tools $(PROJ_OBJ_ROOT)/examples \
-          \( -name '*.cpp' -o -name '*.h' \) -print | \
-          ctags -ImtT -o $(PROJ_OBJ_ROOT)/CTAGS -L -
-
 
 ###############################################################################
 # DEPENDENCIES: Include the dependency files if we should
@@ -1471,7 +1457,7 @@ ifneq ($(strip $(filter-out clean clean-local dist-clean,$(MAKECMDGOALS)))),)
 DependFiles := $(basename $(filter %.cpp %.c %.cc, $(Sources)))
 DependFiles := $(DependFiles:%=$(PROJ_OBJ_DIR)/$(BuildMode)/%.d)
 
--include /dev/null $(DependFiles)
+-include $(DependFiles) ""
 
 endif