diff options
Diffstat (limited to 'tools/llvm-config/Makefile')
| -rw-r--r-- | tools/llvm-config/Makefile | 92 |
1 files changed, 64 insertions, 28 deletions
diff --git a/tools/llvm-config/Makefile b/tools/llvm-config/Makefile index a7a2a63f99..184919ea97 100644 --- a/tools/llvm-config/Makefile +++ b/tools/llvm-config/Makefile @@ -1,5 +1,5 @@ -##===- tools/llvm-config/Makefile---------------------------*- Makefile -*-===## -# +##===- tools/llvm-config/Makefile --------------------------*- Makefile -*-===## +# # The LLVM Compiler Infrastructure # # This file is distributed under the University of Illinois Open Source @@ -7,42 +7,57 @@ # ##===----------------------------------------------------------------------===## -LEVEL := ../.. -TOOLNAME := llvm-config -USEDLIBS := LLVMSupport.a - -# We generate sources in the build directory, make sure it is in the include -# paths. -INCLUDE_BUILD_DIR := 1 +LEVEL = ../.. -# This tool has no plugins, optimize startup time. -TOOL_NO_EXPORTS := 1 - -# Note that we have to use lazy expansion here. -BUILDVARIABLES_SRCPATH = $(PROJ_SRC_ROOT)/tools/$(TOOLNAME)/BuildVariables.inc.in -BUILDVARIABLES_OBJPATH = $(ObjDir)/BuildVariables.inc -BUILT_SOURCES = $(BUILDVARIABLES_OBJPATH) +EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl include $(LEVEL)/Makefile.common +# If we don't have Perl, we can't generate the library dependencies upon which +# llvm-config depends. Therefore, only if we detect perl will we do anything +# useful. +ifeq ($(HAVE_PERL),1) + # Combine preprocessor flags (except for -I) and CXX flags. -SUB_CPPFLAGS := ${CPP.BaseFlags} -SUB_CFLAGS := ${CPP.BaseFlags} ${C.Flags} -SUB_CXXFLAGS := ${CPP.BaseFlags} ${CXX.Flags} +SUB_CPPFLAGS = ${CPP.BaseFlags} +SUB_CFLAGS = ${CPP.BaseFlags} ${C.Flags} +SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags} # This is blank for now. We need to be careful about adding stuff here: # LDFLAGS tend not to be portable, and we don't currently require the # user to use libtool when linking against LLVM. -SUB_LDFLAGS := +SUB_LDFLAGS = -$(ObjDir)/BuildVariables.inc: $(BUILDVARIABLES_SRCPATH) Makefile $(ObjDir)/.dir - $(Echo) "Building llvm-config BuildVariables.inc file." - $(Verb) $(ECHO) 's/@LLVM_SRC_ROOT@/$(subst /,\/,$(LLVM_SRC_ROOT))/' \ - > temp.sed - $(Verb) $(ECHO) 's/@LLVM_OBJ_ROOT@/$(subst /,\/,$(LLVM_OBJ_ROOT))/' \ - >> temp.sed +FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt +LibDeps = $(PROJ_OBJ_DIR)/LibDeps.txt +LibDepsTemp = $(PROJ_OBJ_DIR)/LibDeps.txt.tmp +GenLibDeps = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl + +$(LibDepsTemp): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o) + $(Echo) "Regenerating LibDeps.txt.tmp" + $(Verb) $(PERL) $(GenLibDeps) -flat $(LibDir) "$(NM_PATH)" > $(LibDepsTemp) + +$(LibDeps): $(LibDepsTemp) + $(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \ + $(EchoCmd) Updated LibDeps.txt because dependencies changed ) + +# Find all the cyclic dependencies between various LLVM libraries, so we +# don't have to process them at runtime. +$(FinalLibDeps): find-cycles.pl $(LibDeps) + $(Echo) "Checking for cyclic dependencies between LLVM libraries." + $(Verb) $(PERL) $< < $(LibDeps) > $@ || rm -f $@ + +# Rerun our configure substitutions as needed. +ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in +llvm-config.in: $(ConfigInIn) $(ConfigStatusScript) + $(Verb) cd $(PROJ_OBJ_ROOT) ; \ + $(ConfigStatusScript) tools/llvm-config/llvm-config.in + +# Build our final script. +$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps) + $(Echo) "Building llvm-config script." $(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \ - >> temp.sed + > temp.sed $(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \ >> temp.sed $(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \ @@ -51,7 +66,28 @@ $(ObjDir)/BuildVariables.inc: $(BUILDVARIABLES_SRCPATH) Makefile $(ObjDir)/.dir >> temp.sed $(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \ >> temp.sed - $(Verb) $(ECHO) 's/@LLVM_SYSTEM_LIBS@/$(subst /,\/,$(LIBS))/' \ + $(Verb) $(ECHO) 's/@LLVM_OBJ_SUFFIX@/$(subst /,\/,/$(BuildMode))/' \ >> temp.sed $(Verb) $(SED) -f temp.sed < $< > $@ $(Verb) $(RM) temp.sed + $(Verb) cat $(FinalLibDeps) >> $@ + $(Verb) chmod +x $@ + +else +# We don't have perl, just generate a dummy llvm-config +$(ToolDir)/llvm-config: + $(Echo) "Building place holder llvm-config script." + $(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@ + $(Verb) chmod +x $@ + +endif +# Hook into the standard Makefile rules. +all-local:: $(ToolDir)/llvm-config +clean-local:: + $(Verb) $(RM) -f $(ToolDir)/llvm-config llvm-config.in $(FinalLibDeps) \ + $(LibDeps) GenLibDeps.out +install-local:: all-local + $(Echo) Installing llvm-config + $(Verb) $(MKDIR) $(DESTDIR)$(PROJ_bindir) + $(Verb) $(ScriptInstall) $(ToolDir)/llvm-config $(DESTDIR)$(PROJ_bindir) + |