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| author | Chris Lattner <sabre@nondot.org> | 2007-12-31 23:58:31 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-12-31 23:58:31 +0000 |
| commit | e43ba3dce745de6e22b1f0e3bd9a39f053349072 (patch) | |
| tree | abb62fca275e07d0a379a44a11156895ac46515d /Makefile.rules | |
| parent | b027fa001f16660a231a54ecea6a79f5c7855d7c (diff) | |
| download | external_llvm-e43ba3dce745de6e22b1f0e3bd9a39f053349072.zip external_llvm-e43ba3dce745de6e22b1f0e3bd9a39f053349072.tar.gz external_llvm-e43ba3dce745de6e22b1f0e3bd9a39f053349072.tar.bz2 | |
Factor out makefile dependency generation better.
Don't include system headers in the .d files.
Don't use $@ in the makefile rules, as there are two possible targets it could resolve to: use the one that we need explicitly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45473 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'Makefile.rules')
| -rw-r--r-- | Makefile.rules | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/Makefile.rules b/Makefile.rules index eb827ed..e3a1009 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -1079,23 +1079,28 @@ ifndef DISABLE_AUTO_DEPENDENCIES # Create .lo files in the ObjDir directory from the .cpp and .c files... #--------------------------------------------------------- +DEPEND_OPTIONS = -MMD -MP -MF "$(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... |