llvm-project/llvm/Makefile.rules

#===-- Makefile.rules - Common make rules for LLVM ---------*- Makefile -*--===#
#
#                     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 included by all of the LLVM makefiles.  For details on how to use
# it properly, please see the document MakefileGuide.html in the docs directory.
#
#===-----------------------------------------------------------------------====

#
# Set the VPATH so that we can find source files.
#
VPATH=$(BUILD_SRC_DIR)

###############################################################################
# TARGETS: Define standard targets that can be invoked
###############################################################################

#--------------------------------------------------------------------
# Define the various target sets
#--------------------------------------------------------------------
RECURSIVE_TARGETS := all clean check install uninstall
LOCAL_TARGETS     := all-local clean-local check-local install-local printvars\
	             uninstall-local
TOPLEV_TARGETS    := dist dist-check dist-clean tags
USER_TARGETS      := $(RECURSIVE_TARGETS) $(LOCAL_TARGETS) $(TOPLEV_TARGETS)
INTERNAL_TARGETS  := preconditions \
  install-config-dir install-shared-library install-bytecode-library \
  install-archive-library install-relinked-library install-tool \
  uninstall-config-dir uninstall-shared-library uninstall-bytecode-library \
  uninstall-archive-library uninstall-relinked-library uninstall-tool

#--------------------------------------------------------------------
# Mark all of these targets as phony to avoid implicit rule search
#--------------------------------------------------------------------
.PHONY: $(USER_TARGETS) $(INTERNAL_TARGETS)

#--------------------------------------------------------------------
# Make sure all the user-target rules are double colon rules and that
# the preconditions are run first.
#--------------------------------------------------------------------

$(USER_TARGETS) :: preconditions

all :: all-local
check:: check-local
clean:: clean-local 
install :: install-local
uninstall :: uninstall-local
check-local :: all-local
install-local :: all-local 

###############################################################################
# SUFFIXES: Reset the list of suffixes we know how to build
###############################################################################
.SUFFIXES:
.SUFFIXES: .c .cpp .h .hpp .y .l .lo .o .a $(SHLIBEXT) .bc .td .ps .dot $(SUFFIXES)

###############################################################################
# VARIABLES: Set up various variables based on configuration data
###############################################################################

#--------------------------------------------------------------------
# Variables derived from configuration we are building
#--------------------------------------------------------------------

ifdef ENABLE_PROFILING
  CONFIGURATION := Profile
  CXXFLAGS += -O3 -DNDEBUG -felide-constructors -finline-functions -pg
  CFLAGS   += -O3 -DNDEBUG -pg
  LDFLAGS  += -O3 -DNDEBUG -pg 
else
  ifdef ENABLE_OPTIMIZED
    CONFIGURATION := Release
    CXXFLAGS  += -O3 -DNDEBUG -finline-functions -felide-constructors -fomit-frame-pointer
    CFLAGS    += -O3 -DNDEBUG -fomit-frame-pointer
    LDFLAGS   += -O3 -DNDEBUG 
  else
    CONFIGURATION := Debug
    CXXFLAGS += -g -D_DEBUG 
    CFLAGS   += -g -D_DEBUG
    LDFLAGS  += -g -D_DEBUG 
    KEEP_SYMBOLS := 1
  endif
endif

ARFLAGS := cru

#--------------------------------------------------------------------
# Directory locations
#--------------------------------------------------------------------
OBJDIR      := $(BUILD_OBJ_DIR)/$(CONFIGURATION)
LIBDIR      := $(BUILD_OBJ_ROOT)/lib/$(CONFIGURATION)
TOOLDIR     := $(BUILD_OBJ_ROOT)/tools/$(CONFIGURATION)
LLVMLIBDIR  := $(LLVM_OBJ_ROOT)/lib/$(CONFIGURATION)
LLVMTOOLDIR := $(LLVM_OBJ_ROOT)/tools/$(CONFIGURATION)

#--------------------------------------------------------------------
# Full Paths To Compiled Tools and Utilities
#--------------------------------------------------------------------
LIBTOOL  := $(LLVM_OBJ_ROOT)/mklib
LLVMAS   := $(LLVMTOOLDIR)/llvm-as$(EXEEXT)
BURG     := $(LLVMTOOLDIR)/burg$(EXEEXT)
TBLGEN   := $(LLVMTOOLDIR)/tblgen$(EXEEXT)
GCCLD    := $(LLVMTOOLDIR)/gccld$(EXEEXT)
LLVMGCC  := PATH=$(LLVMTOOLDIR):$(PATH) $(LLVMGCCDIR)/bin/gcc
LLVMGXX  := PATH=$(LLVMTOOLDIR):$(PATH) $(LLVMGCCDIR)/bin/g++

# Need a better way to compute this.
LLVMGCCLIBDIR := $(dir $(shell $(LLVMGCC) -print-file-name=libgcc.a))/

#--------------------------------------------------------------------
# Adjust to user's request
#--------------------------------------------------------------------

# Adjust LIBTOOL options for shared libraries, or not.
ifndef SHARED_LIBRARY
  LIBTOOL += --tag=disable-shared
else
  LDFLAGS += -rpath $(LIBDIR)
endif

# Adjust settings for verbose mode
ifndef VERBOSE
  VERB := @
  LIBTOOL += --silent
  AR += >/dev/null 2>/dev/null
  CONFIGUREFLAGS += >$(BUILD_OBJ_DIR)/configure.out 2>&1
else
  CONFIGUREFLAGS := 
endif

# By default, strip symbol information from executable
ifndef KEEP_SYMBOLS
  STRIP = $(PLATFORMSTRIPOPTS)
  STRIP_WARN_MSG = "(without symbols)"
endif

# Adjust linker flags for building an executable
ifdef TOOLNAME
  LDFLAGS += -rpath $(TOOLDIR) -export-dynamic $(TOOLLINKOPTS)
endif

# Use TOOLLINKOPTSB to pass options to the linker like library search 
# path etc.
# Note that this is different from TOOLLINKOPTS, these options
# are passed to the linker *before* the USEDLIBS options are passed.
# e.g. usage TOOLLINKOPTSB =  -L/home/xxx/lib
ifdef TOOLLINKOPTSB
LDFLAGS += $(TOOLLINKOPTSB)
endif

#----------------------------------------------------------
# Options To Invoke Tools
#----------------------------------------------------------

CompileCommonOpts := -Wall -W -Wwrite-strings -Wno-unused

LDFLAGS  += -L$(LIBDIR) -L$(LLVMLIBDIR)
CPPFLAGS += -I$(BUILD_OBJ_DIR) \
	    -I$(BUILD_SRC_DIR) \
	    -I$(BUILD_SRC_ROOT)/include \
	    -I$(BUILD_OBJ_ROOT)/include \
	    -I$(LLVM_OBJ_ROOT)/include \
	    -I$(LLVM_SRC_ROOT)/include \
	    -D_GNU_SOURCE -D__STDC_LIMIT_MACROS

Compile.C     = $(CC) $(CPPFLAGS) $(CompileCommonOpts) -c $(CFLAGS)
Compile.CXX   = $(CXX) $(CPPFLAGS) $(CompileCommonOpts) $(CXXFLAGS) -c
LTCompile.C   = $(LIBTOOL) --mode=compile $(Compile.C)
LTCompile.CXX = $(LIBTOOL) --tag=CXX --mode=compile $(Compile.CXX)
BCCompile.CXX = $(LLVMGXX) $(CPPFLAGS) $(CompileCommonOpts) $(CXXFLAGS) -c
BCCompile.C   = $(LLVMGCC) $(CPPFLAGS) $(CompileCommonOpts) $(CFLAGS) -c
Link          = $(LIBTOOL) --tag=CXX --mode=link $(CXX) $(CPPFLAGS) \
	        $(CompileCommonOpts) $(LDFLAGS) $(STRIP)
Relink        = $(LIBTOOL) --tag=CXX --mode=link $(CXX)
BCLinkLib     = $(LLVMGCC) -shared -nostdlib
Burg          = $(BURG) -I $(BUILD_SRC_DIR)
TableGen      = $(TBLGEN) -I $(BUILD_SRC_DIR)
Archive       = $(AR) $(ARFLAGS)
ifdef RANLIB
Ranlib        = $(RANLIB)
else
Ranlib        = ranlib
endif

#----------------------------------------------------------
# Get the list of source files
#----------------------------------------------------------
ifndef SOURCES
SOURCES  := $(notdir $(wildcard $(BUILD_SRC_DIR)/*.cpp \
	    $(BUILD_SRC_DIR)/*.cc $(BUILD_SRC_DIR)/*.c $(BUILD_SRC_DIR)/*.y \
	    $(BUILD_SRC_DIR)/*.l))
endif

ifdef BUILT_SOURCES
SOURCES += $(filter %.cpp %.c %.cc %.y %.l,$(BUILT_SOURCES))
endif

#----------------------------------------------------------
# Types of objects that can be built from sources
#----------------------------------------------------------
BASENAME_SOURCES := $(sort $(basename $(SOURCES)))
ObjectsO  := $(BASENAME_SOURCES:%=$(OBJDIR)/%.o)
ObjectsLO := $(BASENAME_SOURCES:%=$(OBJDIR)/%.lo)
ObjectsBC := $(BASENAME_SOURCES:%=$(OBJDIR)/%.bc)


###############################################################################
# DIRECTORIES: Handle recursive descent of directory structure
###############################################################################

#---------------------------------------------------------
# Handle the DIRS options for sequential construction
#---------------------------------------------------------

SUBDIRS := 
ifdef DIRS
SUBDIRS += $(DIRS)
$(RECURSIVE_TARGETS)::
	$(VERB) for dir in $(DIRS); do \
	  if [ ! -f $$dir/Makefile ]; then \
	    $(MKDIR) $$dir; \
	    cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
	  fi; \
	  ($(MAKE) -C $$dir $@ ) || exit 1; \
	done
endif

#---------------------------------------------------------
# Handle the EXPERIMENTAL_DIRS options ensuring success
# after each directory is built.
#---------------------------------------------------------
ifdef EXPERIMENTAL_DIRS
$(RECURSIVE_TARGETS)::
	$(VERB) for dir in $(EXPERIMENTAL_DIRS); do \
	  if [ ! -f $$dir/Makefile ]; then \
	    $(MKDIR) $$dir; \
	    cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
	  fi; \
	  ($(MAKE) -C $$dir $@ ) || exit 0; \
	done
endif

#---------------------------------------------------------
# Handle the PARALLEL_DIRS options for parallel construction
#---------------------------------------------------------
ifdef PARALLEL_DIRS

SUBDIRS += $(PARALLEL_DIRS)
# Unfortunately, this list must be maintained if new 
# recursive targets are added.
all      :: $(addsuffix /.makeall     , $(PARALLEL_DIRS))
clean    :: $(addsuffix /.makeclean   , $(PARALLEL_DIRS))
check    :: $(addsuffix /.makecheck   , $(PARALLEL_DIRS))
install  :: $(addsuffix /.makeinstall , $(PARALLEL_DIRS))
uninstall:: $(addsuffix /.makeuninstall,$(PARALLEL_DIRS))

Parallel_Targets := $(foreach T,$(RECURSIVE_TARGETS),%/.make$(T))

$(Parallel_Targets) :
	$(VERB) if [ ! -f $(@D)/Makefile ]; then \
	  $(MKDIR) $(@D); \
	  cp $(BUILD_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
	fi; \
	$(MAKE) -C $(@D) $(subst $(@D)/.make,,$@)
endif

#---------------------------------------------------------
# Handle the OPTIONAL_DIRS options for directores that may
# or may not exist.
#---------------------------------------------------------
ifdef OPTIONAL_DIRS

SUBDIRS += $(OPTIONAL_DIRS)

$(RECURSIVE_TARGETS)::
	$(VERB) for dir in $(OPTIONAL_DIRS); do \
	  if [ -d $(BUILD_SRC_DIR)/$$dir ]; then\
	    if [ ! -f $$dir/Makefile ]; then \
	      $(MKDIR) $$dir; \
	      cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
	    fi; \
	    ($(MAKE) -C$$dir $@ ) || exit 1; \
	  fi \
	done
endif

#---------------------------------------------------------
# Handle the CONFIG_FILES options
#---------------------------------------------------------
ifdef CONFIG_FILES

install-local:: install-config-dir 

install-config-dir: $(sysconfdir) $(CONFIG_FILES)
	$(VERB)$(ECHO) Installing Configuration Files To $(sysconfdir)
	$(VERB)for file in $(CONFIG_FILES); do \
		$(INSTALL) $(BUILD_SRC_DIR)/$${file} $(sysconfdir) ; \
	done

uninstall-local:: uninstall-config-dir

uninstall-config-dir:
	$(VERB)$(ECHO) Uninstalling Configuration Files From $(sysconfdir)
	$(VERB)for file in $(CONFIG_FILES); do \
	  $(RM) -f $(sysconfdir)/$${file} ; \
	done

$(sysconfdir):
	$(MKDIR) $(sysconfdir)

endif

###############################################################################
# Library Build Rules: Four ways to build a library
###############################################################################

$(libdir):
	$(VERB) $(MKDIR) $(libdir)

$(bytecode_libdir):
	$(VERB) $(MKDIR) $(bytecode_libdir)



# if we're building a library ...
ifdef LIBRARYNAME

# Make sure there isn't any extranous whitespace on the LIBRARYNAME option
LIBRARYNAME := $(strip $(LIBRARYNAME))
LIBNAME_LA := $(LIBDIR)/lib$(LIBRARYNAME).la
LIBNAME_A  := $(LIBDIR)/lib$(LIBRARYNAME).a
LIBNAME_O  := $(LIBDIR)/$(LIBRARYNAME).o
LIBNAME_BC := $(LIBDIR)/lib$(LIBRARYNAME).bc

#---------------------------------------------------------
# Shared Library Targets:
#   If the user asked for a shared library to be built
#   with the SHARED_LIBRARY variable, then we provide
#   targets for building them.
#---------------------------------------------------------
ifdef SHARED_LIBRARY

all-local:: $(LIBNAME_LA)

$(LIBNAME_LA): $(BUILT_SOURCES) $(ObjectsLO) $(LIBDIR)/.dir
	@$(ECHO) Linking $(CONFIGURATION) Shared Library $(notdir $@)
	$(VERB) $(Link) -o $@ $(ObjectsLO)
	$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $@ $(LIBDIR)

clean-local::
ifneq ($(strip $(LIBNAME_LA)),)
	$(VERB) $(RM) -f $(LIBNAME_LA)
endif

DestSharedLib = $(libdir)/lib$(LIBRARYNAME)$(SHLIBEXT)
install-local:: install-shared-library

install-shared-library: $(libdir) $(DestSharedLib)

$(DestSharedLib): $(LIBNAME_LA)
	@$(ECHO) Installing $(CONFIGURATION) Shared Library $(DestSharedLib)
	$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $(LIBNAME_LA) $(DestSharedLib)
	$(VERB) $(LIBTOOL) --finish $(libdir)

uninstall-local:: uninstall-shared-library

uninstall-shared-library:
	@$(ECHO) Uninstalling $(CONFIGURATION) Shared Library $(DestSharedLib)
	$(VERB) $(RM) -f $(DestSharedLib)

endif

#---------------------------------------------------------
# Bytecode Library Targets:
#   If the user asked for a bytecode library to be built
#   with the BYTECODE_LIBRARY variable, then we provide 
#   targets for building them.
#---------------------------------------------------------
ifdef BYTECODE_LIBRARY

ifdef EXPORTED_SYMBOL_LIST
  BCLinkLib += -Xlinker -internalize-public-api-list=$(EXPORTED_SYMBOL_LIST)
else
  ifdef EXPORTED_SYMBOL_FILE
    BCLinkLib += -Xlinker -internalize-public-api-file=$(EXPORTED_SYMBOL_FILE)
  else
    BCLinkLib += -Xlinker -disable-internalize
  endif
endif

all-local:: $(LIBNAME_BC)

$(LIBNAME_BC): $(BUILT_SOURCES) $(ObjectsBC) $(LIBDIR)/.dir
	@$(ECHO) Linking $(CONFIGURATION) Bytecode Library $(notdir $@)
	$(VERB) $(BCLinkLib) -o $@ $(ObjectsBC)

clean-local::
ifneq ($(strip $(LIBNAME_BC)),)
	$(VERB) $(RM) -f $(LIBNAME_BC)
endif

DestBytecodeLib = $(bytecode_libdir)/lib$(LIBRARYNAME).bc

install-local:: install-bytecode-library

install-bytecode-library: $(bytecode_libdir) $(DestBytecodeLib)

$(DestBytecodeLib): $(LIBNAME_BC) $(bytecode_libdir)
	@$(ECHO) Installing $(CONFIGURATION) Bytecode Library $(DestBytecodeLib)
	$(VERB) $(INSTALL) $< $@

uninstall-local:: uninstall-bytecode-library

uninstall-bytecode-library: 
	@$(ECHO) Uninstalling $(CONFIGURATION) Bytecode Library $(DestBytecodeLib)
	$(VERB) $(RM) -f $(DestBytecodeLib)

endif

# Does the library want a .o version built?
ifndef DONT_BUILD_RELINKED
all-local:: $(LIBNAME_O)

$(LIBNAME_O): $(BUILT_SOURCES) $(ObjectsO) $(LIBDIR)/.dir
	@$(ECHO) Linking $(CONFIGURATION) Object Library $(notdir $@)
	$(VERB) $(Relink) -o $@ $(ObjectsO)

clean-local::
ifneq ($(strip $(LIBNAME_O)),)
	$(VERB) $(RM) -f $(LIBNAME_O)
endif

DestRelinkedLib = $(libdir)/$(LIBRARYNAME).o

install-local:: install-relinked-library 

install-relinked-library: $(libdir) $(DestRelinkedLib)

$(DestRelinkedLib): $(LIBNAME_O)
	@$(ECHO) Installing $(CONFIGURATION) Object Library $(DestRelinkedLib)
	$(VERB) $(MKDIR) $(libdir)
	$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $(LIBNAME_O) $(DestRelinkedLib)

uninstall-local:: uninstall-relinked-library 

uninstall-relinked-library: 
	@$(ECHO) Uninstalling $(CONFIGURATION) Object Library $(DestRelinkedLib)
	$(VERB) $(RM) -f $(DestRelinkedLib)

endif

# Does the library want an archive version built?
ifdef BUILD_ARCHIVE
all-local:: $(LIBNAME_A)

$(LIBNAME_A): $(BUILT_SOURCES) $(ObjectsO) $(LIBDIR)/.dir
	@$(ECHO) Building $(CONFIGURATION) Archive Library $(notdir $@)
	$(VERB)$(RM) -f $@
	$(VERB) $(Archive) $@ $(ObjectsO)
	$(VERB) $(Ranlib) $@

clean-local::
ifneq ($(strip $(LIBNAME_A)),)
	$(VERB) $(RM) -f $(LIBNAME_A)
endif

DestArchiveLib := $(libdir)/lib$(LIBRARYNAME).a

install-local:: install-archive-library

install-archive-library: $(libdir) $(DestArchiveLib)

$(DestArchiveLib): $(LIBNAME_A)
	@$(ECHO) Installing $(CONFIGURATION) Archive Library $(DestArchiveLib)
	$(VERB) $(LIBTOOL) --mode=install $(INSTALL) $(LIBNAME_A) $(DestArchiveLib)

uninstall-local:: uninstall-archive-library

uninstall-archive-library: 
	@$(ECHO) Uninstalling $(CONFIGURATION) Archive Library $(DestArchiveLib)
	$(VERB) $(RM) -f $(DestArchiveLib)

endif

# endif LIBRARYNAME
endif 

###############################################################################
# Tool Build Rules: Build executable tool based on TOOLNAME option
###############################################################################

ifdef TOOLNAME

#---------------------------------------------------------
# TOOLLINKOPTSB to pass options to the linker like library search path etc
# Note that this is different from TOOLLINKOPTS, these options
# are passed to the linker *before* the USEDLIBS options are passed.
# e.g. usage TOOLLINKOPTSB =  -L/home/xxx/lib
#---------------------------------------------------------
ifdef TOOLLINKOPTSB
Link    += $(TOOLLINKOPTSB) 
endif

# TOOLEXENAME - This is the output filenames to generate
TOOLEXENAME := $(TOOLDIR)/$(TOOLNAME)

# LIBS_OPTIONS - Compute the options lines that add -llib1 -llib2, etc.
PROJ_LIBS_OPTIONS := $(patsubst %.a.o, -l%, $(addsuffix .o, $(USEDLIBS)))
PROJ_LIBS_OPTIONS := $(patsubst %.o, $(LIBDIR)/%.o,  $(PROJ_LIBS_OPTIONS))
LLVM_LIBS_OPTIONS := $(patsubst %.a.o, -l%, $(addsuffix .o, $(LLVMLIBS)))
LLVM_LIBS_OPTIONS := $(patsubst %.o, $(LLVMLIBDIR)/%.o, $(LLVM_LIBS_OPTIONS))

# USED_LIBS/LIBS_PATHS - Compute dependent library file paths
PROJ_USED_LIBS    := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(USEDLIBS)))
LLVM_USED_LIBS    := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(LLVMLIBS)))
PROJ_LIBS_PATHS   := $(addprefix $(LIBDIR)/,$(PROJ_USED_LIBS))
LLVM_LIBS_PATHS   := $(addprefix $(LLVMLIBDIR)/,$(LLVM_USED_LIBS))

# Concatenate all the optoins
LINK_OPTS := $(TOOLLINKOPTS) $(PROJ_LIBS_OPTIONS) $(LLVM_LIBS_OPTIONS)

# Handle compression libraries automatically
ifeq ($(HAVE_BZIP2),1)
LIBS += -lbz2
endif
ifeq ($(HAVE_ZLIB),1)
LIBS += -lz
endif

# Tell make that we need to rebuild subdirectories before we can link the tool.
# This affects things like LLI which has library subdirectories.
$(TOOLEXENAME): $(addsuffix /.makeall, $(PARALLEL_DIRS))

all-local:: $(TOOLEXENAME)

clean-local::
ifneq ($(strip $(TOOLEXENAME)),)
	$(VERB) $(RM) -f $(TOOLEXENAME)
endif

$(TOOLEXENAME): $(BUILT_SOURCES) $(ObjectsO) $(PROJ_LIBS_PATHS) $(LLVM_LIBS_PATHS) $(TOOLDIR)/.dir
	@$(ECHO) Linking $(CONFIGURATION) executable $(TOOLNAME) $(STRIP_WARN_MSG)
	$(VERB) $(Link) -o $@ $(ObjectsO) $(PROJ_LIBS_OPTIONS) $(LLVM_LIBS_OPTIONS) $(LIBS)
	@$(ECHO) ======= Finished Linking $(CONFIGURATION) Executable $(TOOLNAME) $(STRIP_WARN_MSG) 

DestTool = $(bindir)/$(TOOLNAME)

install-local:: install-tool

install-tool: $(bindir) $(DestTool)

$(DestTool): $(TOOLEXENAME)
	@$(ECHO) Installing $(CONFIGURATION) $(DestTool)
	$(VERB) $(INSTALL) $(TOOLEXENAME) $(DestTool)

$(bindir):
	$(VERB) $(MKDIR) $(bindir)
	
uninstall-local:: uninstall-tool

uninstall-tool:
	@$(ECHO) Uninstalling $(CONFIGURATION) $(DestTool)
	$(VERB) $(RM) -f $(DestTool)

endif

ifndef DISABLE_AUTO_DEPENDENCIES

# Create .lo files in the OBJDIR directory from the .cpp and .c files...
ifdef SHARED_LIBRARY

$(OBJDIR)/%.lo $(OBJDIR)/%.o: %.cpp $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp (PIC)"
	$(VERB) if $(LTCompile.CXX) -MD -MT $@ -MP -MF $(OBJDIR)/$*.LACXXd $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.LACXXd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.LACXXd"; exit 1; fi

$(OBJDIR)/%.lo $(OBJDIR)/%.o: %.c $(OBJDIR)/.dir 
	@$(ECHO) "Compiling $*.c (PIC)"
	$(VERB) if $(LTCompile.C) -MD -MT $@ -MP -MF $(OBJDIR)/$*.LACd $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.LACd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.LACd"; exit 1; fi

else

$(OBJDIR)/%.o: %.cpp $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp"
	$(VERB) if $(Compile.CXX) -MD -MT $@ -MP -MF $(OBJDIR)/$*.CXXd $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.CXXd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.CXXd"; exit 1; fi

$(OBJDIR)/%.o: %.c $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.c"
	$(VERB) if $(Compile.C) -MD -MT $@ -MP -MF $(OBJDIR)/$*.Cd $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.Cd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.Cd"; exit 1; fi

endif

# Create .bc files in the OBJDIR directory from .cpp and .c files...
$(OBJDIR)/%.bc: %.cpp $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp (bytecode)"
	$(VERB) if $(BCCompile.CXX) -MD -MT $@ -MP -MF "$(OBJDIR)/$*.BCCXXd" $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.BCCXXd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.BCCXXd"; exit 1; fi

$(OBJDIR)/%.bc: %.c $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.c (bytecode)"
	$(VERB) if $(BCCompile.C) -MD -MT $@ -MP -MF "$(OBJDIR)/$*.BCCd" $< -o $@ ; \
	then $(MV) -f "$(OBJDIR)/$*.BCCd" "$(OBJDIR)/$*.d"; \
	else $(RM) -f "$(OBJDIR)/$*.BCCd"; exit 1; fi

else

ifdef SHARED_LIBRARY

$(OBJDIR)/%.lo $(OBJDIR)/%.o: %.cpp $(OBJDIR)/.dir 
	@$(ECHO) "Compiling $*.cpp (PIC)"
	$(LTCompile.CXX) $< -o $@ 

$(OBJDIR)/%.lo $(OBJDIR)/%.o: %.c $(OBJDIR)/.dir 
	@$(ECHO) "Compiling $*.cpp (PIC)"
	$(LTCompile.C) $< -o $@ 

else

$(OBJDIR)/%.o: %.cpp $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp"
	$(Compile.CXX) $< -o $@ 

$(OBJDIR)/%.o: %.c $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp"
	$(Compile.C) $< -o $@ 
endif

# Create .bc files in the OBJDIR directory from .cpp and .c files...
$(OBJDIR)/%.bc: %.cpp $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.cpp (bytecode)"
	$(BCCompileCPP) $< -o $@ 

$(OBJDIR)/%.bc: %.c $(OBJDIR)/.dir
	@$(ECHO) "Compiling $*.c (bytecode)"
	$(BCCompileC) $< -o $@

endif

$(OBJDIR)/%.bc: %.ll $(OBJDIR)/.dir $(LLVMAS)
	@$(ECHO) "Compiling $*.ll"
	$(VERB) $(LLVMAS) $< -f -o $@

ifdef TARGET

TDFILES := $(strip $(wildcard $(BUILD_SRC_DIR)/*.td) $(LLVM_SRC_ROOT)/lib/Target/Target.td)

$(BUILT_SOURCES): $(TDFILES) 

%GenRegisterNames.inc : %.td
	@echo "Building $(<F) register names with tblgen"
	$(VERB) $(TableGen) -gen-register-enums -o $@ $<

%GenRegisterInfo.h.inc : %.td
	@echo "Building $(<F) register information header with tblgen"
	$(VERB) $(TableGen) -gen-register-desc-header -o $@ $<

%GenRegisterInfo.inc : %.td
	@echo "Building $(<F) register info implementation with tblgen"
	$(VERB) $(TableGen) -gen-register-desc -o $@ $<

%GenInstrNames.inc : %.td
	@echo "Building $(<F) instruction names with tblgen"
	$(VERB) $(TableGen) -gen-instr-enums -o $@ $<

%GenInstrInfo.inc : %.td
	@echo "Building $(<F) instruction information with tblgen"
	$(VERB) $(TableGen) -gen-instr-desc -o $@ $<

%GenAsmWriter.inc : %.td
	@echo "Building $(<F) assembly writer with tblgen"
	$(VERB) $(TableGen) -gen-asm-writer -o $@ $<

%GenATTAsmWriter.inc : %.td
	@echo "Building $(<F) AT&T assembly writer with tblgen"
	$(VERB) $(TableGen) -gen-asm-writer -o $@ $< 

%GenIntelAsmWriter.inc : %.td
	@echo "Building $(<F) Intel assembly writer with tblgen"
	$(VERB) $(TableGen) -gen-asm-writer -asmwriternum=1 -o $@ $< 

%GenInstrSelector.inc: %.td
	@echo "Building $(<F) instruction selector with tblgen"
	$(VERB) $(TableGen) -gen-instr-selector -o $@ $< 

%GenCodeEmitter.inc:: %.td
	@echo "Building $(<F) code emitter with tblgen"
	$(VERB) $(TableGen) -gen-emitter -o $@ $<

clean-local::
	$(VERB) rm -f *.inc

endif

#
# Rules for building lex/yacc files
#
LEX_FILES   = $(filter %.l, $(SOURCES))
LEX_OUTPUT  = $(LEX_FILES:%.l=%.cpp)
YACC_FILES  = $(filter %.y, $(SOURCES))
YACC_OUTPUT = $(addprefix $(YACC_FILES:%.y=%), .h .cpp .output)
.PRECIOUS: $(LEX_OUTPUT) $(YACC_OUTPUT)

# Create a .cpp source file from a flex input file... this uses sed to cut down
# on the warnings emited by GCC...
#
# The last line is a gross hack to work around flex aparently not being able to
# resize the buffer on a large token input.  Currently, for uninitialized string
# buffers in LLVM we can generate very long tokens, so this is a hack around it.
# FIXME.  (f.e. char Buffer[10000] )
#
%.cpp: %.l
	@$(ECHO) Flexing $<
	$(VERB) $(FLEX) -t $< | \
	$(SED) '/^find_rule/d' | \
	$(SED) 's/void yyunput/inline void yyunput/' | \
	$(SED) 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' | \
	$(SED) 's/#define YY_BUF_SIZE 16384/#define YY_BUF_SIZE (16384*64)/' \
	  > $@.tmp
	$(VERB) cmp -s $@ $@.tmp > /dev/null || $(MV) -f $@.tmp $@
	@# remove the output of flex if it didn't get moved over...
	@rm -f $@.tmp

# Rule for building the bison parsers...
%.c: %.y     # Cancel built-in rules for yacc
%.h: %.y     # Cancel built-in rules for yacc
%.cpp %.h : %.y
	@$(ECHO) "Bisoning $*.y"
	$(VERB) $(BISON) -v -d -p $(<F:%Parser.y=%) -o $*.tab.c  $<
	$(VERB) cmp -s $*.tab.c $*.cpp > /dev/null || $(MV) -f $*.tab.c $*.cpp
	$(VERB) cmp -s $*.tab.h $*.h   > /dev/null || $(MV) -f $*.tab.h $*.h
	@# If the files were not updated, don't leave them lying around...
	@rm -f $*.tab.c $*.tab.h

# To create the directories...
%/.dir:
	$(VERB) $(MKDIR) $* > /dev/null
	@$(DATE) > $@

.PRECIOUS: $(OBJDIR)/.dir $(LIBDIR)/.dir $(TOOLDIR)/.dir $(LLVMLIBDIR)/.dir
.PRECIOUS: $(LLVMTOOLDIR)/.dir

# To create postscript files from dot files...
ifneq ($(DOT),false)
%.ps: %.dot
	$(DOT) -Tps < $< > $@
else
%.ps: %.dot
	$(ECHO) "Cannot build $@: The program dot is not installed"
endif

#
# This rules ensures that header files that are removed still have a rule for
# which they can be "generated."  This allows make to ignore them and
# reproduce the dependency lists.
#
%.h:: ;

# 'make clean' nukes the tree
clean-local::
ifneq ($(strip $(OBJDIR)),)
	$(VERB) $(RM) -rf $(OBJDIR)
endif
	$(VERB) $(RM) -f core core.[0-9][0-9]* *.o *.d *~ *.flc
ifneq ($(strip $(SHLIBEXT)),) # Extra paranoia - make real sure SHLIBEXT is set
	$(VERB)	$(RM) -f *$(SHLIBEXT)
endif
ifneq ($(strip $(LEX_OUTPUT)),)
	$(VERB) $(RM) -f $(LEX_OUTPUT) 
endif
ifneq ($(strip $(YACC_OUTPUT)),)
	$(VERB) $(RM) -f $(YACC_OUTPUT)
endif

###############################################################################
# DEPENDENCIES: Include the dependency files if we should
###############################################################################
ifndef DISABLE_AUTO_DEPENDENCIES

# If its not one of the cleaning targets
ifneq ($strip($(filter-out clean clean-local dist-clean, $(MAKECMDGOALS))),)

# Get the list of dependency files
DependFiles := $(basename $(filter %.cpp %.c %.cc, $(SOURCES)))
DependFiles := $(patsubst %,$(BUILD_OBJ_DIR)/$(CONFIGURATION)/%.d,$(DependFiles))

-include /dev/null $(DependFiles)

endif

endif  # ifndef DISABLE_AUTO_DEPENDENCIES

################################################################################
# PRECONDITIONS - that which must be built/checked first
################################################################################

OBJMKFILE := $(BUILD_OBJ_DIR)/Makefile
SRCMKFILE := $(BUILD_SRC_DIR)/Makefile
CONFIGURE := $(LLVM_SRC_ROOT)/configure
CONFIG_STATUS := $(LLVM_OBJ_ROOT)/config.status
MAKE_CONFIG_IN := $(LLVM_SRC_ROOT)/Makefile.config.in
MAKE_CONFIG := $(LLVM_OBJ_ROOT)/Makefile.config

#------------------------------------------------------------------------
# List of the preconditions
#------------------------------------------------------------------------

preconditions: $(CONFIG_STATUS) $(MAKE_CONFIG) $(OBJMKFILE) 

$(filter-out clean clean-local,USER_TARGETS):: $(BUILT_SOURCES)

clean-local::
ifneq ($(strip $(BUILT_SOURCES)),)
	$(VERB) $(RM) -f $(BUILT_SOURCES)
endif

#------------------------------------------------------------------------
# Make sure we're not using a stale configuration
#------------------------------------------------------------------------
.PRECIOUS: $(CONFIG_STATUS)
$(CONFIG_STATUS): $(CONFIGURE)
	@$(ECHO) Reconfiguring with $<
	$(VERB) $(CONFIG_STATUS) --recheck $(CONFIGUREFLAGS)

#------------------------------------------------------------------------
# Make sure the configuration makefile is up to date
#------------------------------------------------------------------------
$(MAKE_CONFIG): $(MAKE_CONFIG_IN) $(CONFIG_STATUS)
	@$(ECHO) Regenerating $@
	$(VERB) cd $(LLVM_OBJ_ROOT) ; $(CONFIG_STATUS) Makefile.config

#------------------------------------------------------------------------
# If the Makefile in the source tree has been updated, copy it over into the
# build tree. But, only do this if the source and object makefiles differ
#------------------------------------------------------------------------
ifneq ($(OBJMKFILE),$(SRCMKFILE))
.PRECIOUS: $(OBJMKFILE)
$(OBJMKFILE): $(SRCMKFILE)
	@$(ECHO) "Updating Makefile from: $(dir $<)"
	$(VERB) $(MKDIR) $(@D)
	$(VERB) cp -f $< $@
endif

###############################################################################
# Handle construction of a distribution tarball
###############################################################################

.PHONY: dist dist-chck dist-clean distdir dist-gzip dist-bzip2 dist-zip

#------------------------------------------------------------------------
# Define distribution related variables
#------------------------------------------------------------------------
DistName    := $(LLVM_TARBALL_NAME)
DistDir     := $(BUILD_OBJ_ROOT)/$(DistName)
TopDistDir  := $(BUILD_OBJ_ROOT)/$(DistName)
DistTarGZip := $(BUILD_OBJ_ROOT)/$(DistName).tar.gz
DistZip     := $(BUILD_OBJ_ROOT)/$(DistName).zip
DistTarBZ2  := $(BUILD_OBJ_ROOT)/$(DistName).tar.bz2
DistAlways  := CREDITS.TXT LICENSE.TXT README.txt README AUTHORS COPYING \
	       ChangeLog INSTALL NEWS Makefile Makefile.common Makefile.rules \
	       Makefile.config.in configure autoconf
DistOther   := $(notdir $(wildcard \
               $(BUILD_SRC_DIR)/*.h \
               $(BUILD_SRC_DIR)/*.td \
               $(BUILD_SRC_DIR)/*.def \
               $(BUILD_SRC_DIR)/*.ll \
               $(BUILD_SRC_DIR)/*.in))
DistSources := $(SOURCES) $(EXTRA_DIST)
DistSubDirs := $(SUBDIRS)
DistFiles   := $(DistAlways) $(DistSources) $(DistOther)


#------------------------------------------------------------------------
# We MUST build distribution with OBJ_DIR != SRC_DIR
#------------------------------------------------------------------------
ifeq ($(BUILD_SRC_DIR),$(BUILD_OBJ_DIR))
dist dist-check dist-clean dist-gzip dist-bzip2 dist-zip ::
	@$(ECHO) ERROR: Target $@ only available with OBJ_DIR != SRC_DIR

DistCheckTop := 
else

DistCheckTop := check
#------------------------------------------------------------------------
# Prevent catastrophic remove
#------------------------------------------------------------------------
ifeq ($(LLVM_TARBALL_NAME),)
$(error LLVM_TARBALL_NAME is empty.  Please rerun configure)
endif

#------------------------------------------------------------------------
# Prevent attempt to run dist targets from anywhere but the top level
#------------------------------------------------------------------------
ifneq ($(LEVEL),.)

dist dist-check dist-clean dist-gzip dist-bzip2 dist-zip ::
	@$(ECHO) ERROR: You must run $@ from $(BUILD_OBJ_ROOT)

else

#------------------------------------------------------------------------
# Provide the top level targets
#------------------------------------------------------------------------

dist-gzip: $(DistTarGZip)

$(DistTarGZip) : distdir
	@$(ECHO) Packing gzipped distribution tar file.
	$(VERB) cd $(BUILD_OBJ_ROOT) ; $(TAR) chf - "$(DistName)" | gzip -c > "$(DistTarGZip)"

dist-bzip2: $(DistTarBZ2)

$(DistTarBZ2) : distdir
	@$(ECHO) Packing bzipped distribution tar file.
	$(VERB) cd $(BUILD_OBJ_ROOT) ; $(TAR) chf - $(DistName) | $(BZIP2) -c >$(DistTarBZ2)

dist-zip: $(DistZip)

$(DistZip) : distdir
	@$(ECHO) Packing zipped distribution file.
	$(VERB) rm -f $(DistZip)
	$(VERB) cd $(BUILD_OBJ_ROOT) ; $(ZIP) -rq $(DistZip) $(DistName)

dist :: $(DistTarGZip) $(DistTarBZ2) $(DistZip) 
	@$(ECHO) ===== DISTRIBUTION PACKAGING SUCESSFUL =====

DistCheckDir := $(LLVM_OBJ_ROOT)/_distcheckdir

dist-check:: $(DistTopDir) $(DistTarGZip)
	@$(ECHO) Checking distribution tar file.
	$(VERB) if test -d $(DistCheckDir) ; then \
	  $(RM) -rf $(DistCheckDir) ; \
	fi
	$(VERB) $(MKDIR) $(DistCheckDir)
	$(VERB) cd $(DistCheckDir) && \
	  $(MKDIR) $(DistCheckDir)/build && \
	  $(MKDIR) $(DistCheckDir)/install && \
	  gunzip -c $(DistTarGZip) | $(TAR) xf - && \
	  cd build && \
	  ../$(DistName)/configure --prefix="$(DistCheckDir)/install" \
	    --srcdir=../$(DistName) --with-llvmgccdir="$(LLVMGCCDIR)" && \
	  $(MAKE) check && \
	  $(MAKE) install && \
	  $(MAKE) uninstall && \
	  $(MAKE) dist && \
	  $(MAKE) clean && \
	  $(MAKE) dist-clean && \
	  $(ECHO) ===== $(DistTarGZip) Ready For Distribution =====

dist-clean::
	@$(ECHO) Cleaning distribution files
	$(VERB) $(RM) -rf $(DistTarGZip) $(DistTarBZ2) $(DistZip) $(DistName) $(DistCheckDir)

endif

#------------------------------------------------------------------------
# Provide the recursive distdir target for building the distribution directory
#------------------------------------------------------------------------
distdir : $(DistCheckTop) $(DistSources)
	@$(ECHO) Building Distribution Directory $(DistDir)
	$(VERB) if test "$(DistDir)" = "$(TopDistDir)" ; then \
	  if test -d "$(DistDir)" ; then \
	    find $(DistDir) -type d ! -perm -200 -exec chmod u+w {} ';'  || \
	      exit 1 ; \
	  fi ; \
	  echo Removing $(DistDir) ; \
	  $(RM) -rf $(DistDir); \
	fi
	$(VERB) $(MKDIR) $(DistDir) 
	$(VERB) srcdirstrip=`echo "$(BUILD_SRC_DIR)" | sed 's|.|.|g'`; \
	srcrootstrip=`echo "$(BUILD_SRC_ROOT)" | sed 's|.|.|g'`; \
	for file in $(DistFiles) ; do \
	  case "$$file" in \
	    $(BUILD_SRC_DIR)/*) file=`echo "$$file" | sed "s#^$$srcdirstrip/##"`;; \
	    $(BUILD_SRC_ROOT)/*) file=`echo "$$file" | sed "s#^$$srcrootstrip/#$(BUILD_OBJ_ROOT)/#"`;; \
	  esac; \
	  if test -f "$$file" || test -d "$$file" ; then \
	    from_dir=. ; \
	  else \
	    from_dir=$(BUILD_SRC_DIR); \
	  fi; \
	  to_dir=`echo "$$file" | sed -e 's#/[^/]*$$##'`; \
	  if test "$$to_dir" != "$$file" && test "$$to_dir" != "."; then \
	    to_dir="$(DistDir)/$$dir"; \
	    $(MKDIR) "$$to_dir" ; \
	  else \
	    to_dir="$(DistDir)"; \
	  fi; \
	  mid_dir=`echo "$$file" | sed -n -e 's#^\(.*\)/[^/]*$$#\1#p'`; \
	  if test -n "$$mid_dir" ; then \
            $(MKDIR) "$$to_dir/$$mid_dir" || exit 1; \
          fi ; \
	  if test -d "$$from_dir/$$file"; then \
	    if test -d "$(BUILD_SRC_DIR)/$$file" && \
	       test "$$from_dir" != "$(BUILD_SRC_DIR)" ; then \
	      cp -pR "$(BUILD_SRC_DIR)/$$file" "$$to_dir" || exit 1; \
	    fi; \
	    cp -pR $$from_dir/$$file $$to_dir || exit 1; \
	  elif test -f "$$from_dir/$$file" ; then \
	    cp -p "$$from_dir/$$file" "$(DistDir)/$$file" || exit 1; \
	  elif test -L "$$from_dir/$$file" ; then \
	    cp -pd "$$from_dir/$$file" $(DistDir)/$$file || exit 1; \
	  elif echo "$(DistAlways)" | grep -v "$$file" >/dev/null ; then \
	    $(ECHO) "===== WARNING: Distribution Source $$from_dir/$$file Not Found!" ; \
	  elif test "$(VERB)" != '@' ; then \
	    $(ECHO) "Skipping non-existent $$from_dir/$$file" ; \
	  fi; \
	done
	$(VERB) for subdir in $(DistSubDirs) ; do \
	  if test "$$subdir" \!= "." ; then \
	    new_distdir="$(DistDir)/$$subdir" ; \
	    test -d "$$new_distdir" || $(MKDIR) "$$new_distdir" || exit 1; \
	    ( cd $$subdir && $(MAKE) DistDir="$$new_distdir" distdir ) || exit 1; \
	  fi; \
	done
	$(VERB) $(MAKE) DistDir="$(DistDir)" dist-hook || exit 1
	-$(VERB) find $(DistDir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \
	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
	  ! -type d ! -perm -444 -exec $(SHELL) $(INSTALL_SH) -c -m a+r {} {} \; \
	|| chmod -R a+r $(DistDir)

dist-hook::


endif

###############################################################################
# TOP LEVEL - targets only to apply at the top level directory
###############################################################################

ifeq ($(LEVEL),.)

#------------------------------------------------------------------------
# Install support for project's include files:
#------------------------------------------------------------------------
install-local::
	@$(ECHO) Installing include files
	$(VERB) $(MKDIR) $(includedir)
	$(VERB) if [ -d "$(BUILD_SRC_ROOT)/include" ] ; then \
	  cd $(BUILD_SRC_ROOT)/include && \
	    find . -path '*/Internal' -prune -o '(' -type f \
	      '!' '(' -name '*~' -o -name '.cvsignore' -o -name '.#*' ')' \
	      -print ')' | grep -v CVS | pax -rwdvpe $(includedir) ; \
	fi

uninstall-local::
	@$(ECHO) Uninstalling include files
	$(VERB) if [ -d "$(BUILD_SRC_ROOT)/include" ] ; then \
	  cd $(BUILD_SRC_ROOT)/include && \
	    $(RM) -f `find . -path '*/Internal' -prune -o '(' -type f \
	      '!' '(' -name '*~' -o -name '.cvsignore' -o -name '.#*' ')' \
	      -print ')' | grep -v CVS | sed 's#^#$(includedir)/#'` ; \
	fi 

#------------------------------------------------------------------------
# Build tags database for Emacs/Xemacs:
#------------------------------------------------------------------------
tags:: TAGS

TAGS: 
	find include lib tools examples -name '*.cpp' -o -name '*.h' | $(ETAGS) $(ETAGSFLAGS) -

endif

###############################################################################
# MISCELLANEOUS - utility targets
###############################################################################

#------------------------------------------------------------------------
# Print out the directories used for building
printvars::
	@$(ECHO) "BUILD_SRC_ROOT: " $(BUILD_SRC_ROOT)
	@$(ECHO) "BUILD_SRC_DIR : " $(BUILD_SRC_DIR)
	@$(ECHO) "BUILD_OBJ_ROOT: " $(BUILD_OBJ_ROOT)
	@$(ECHO) "BUILD_OBJ_DIR : " $(BUILD_OBJ_DIR)
	@$(ECHO) "LLVM_SRC_ROOT : " $(LLVM_SRC_ROOT)
	@$(ECHO) "LLVM_OBJ_ROOT : " $(LLVM_OBJ_ROOT)
	@$(ECHO) "CONFIGURATION : " $(CONFIGURATION)
	@$(ECHO) "OBJDIR: " $(OBJDIR)
	@$(ECHO) "LIBDIR: " $(LIBDIR)
	@$(ECHO) "TOOLDIR: " $(TOOLDIR)
	@$(ECHO) "TDFILES:" '$(TDFILES)'
	@$(ECHO) "Compile.CXX: " '$(Compile.CXX)'
	@$(ECHO) "Compile.C: " '$(Compile.C)'