X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=Makefile.rules;h=47c5f7b5dea610ebc64e205b164e8b1f245390a5;hp=60ce5f1f8914ffffc01c25d0370b2e0951dd0783;hb=9534acbf774cd7918c1f412ec2aac1834eea24d5;hpb=8e28a7004461c6170d3242cc912e2f1e71d3dbf6 diff --git a/Makefile.rules b/Makefile.rules index 60ce5f1f891..47c5f7b5dea 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -1,53 +1,150 @@ #===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--==== # # This file is included by all of the LLVM makefiles. This file defines common -# rules to do things like compile a .cpp file or generate dependancy info. -# These are platform dependant, so this is the file used to specify these -# system dependant operations. +# rules to do things like compile a .cpp file or generate dependency info. +# These are platform dependent, so this is the file used to specify these +# system dependent operations. # -# The following functionality may be set by setting incoming variables: +# The following functionality can be set by setting incoming variables. +# The variable $(LEVEL) *must* be set: # # 1. LEVEL - The level of the current subdirectory from the top of the # MagicStats view. This level should be expressed as a path, for # example, ../.. for two levels deep. # # 2. DIRS - A list of subdirectories to be built. Fake targets are set up -# so that each of the targets "all", "install", and "clean" each build. -# the subdirectories before the local target. +# so that each of the targets "all", "install", and "clean" each build +# the subdirectories before the local target. DIRS are guaranteed to be +# built in order. # -# 3. Source - If specified, this sets the source code filenames. If this +# 3. PARALLEL_DIRS - A list of subdirectories to be built, but that may be +# built in any order. All DIRS are built in order before PARALLEL_DIRS are +# built, which are then built in any order. +# +# 4. Source - If specified, this sets the source code filenames. If this # is not set, it defaults to be all of the .cpp, .c, .y, and .l files # in the current directory. Also, if you want to build files in addition # to the local files, you can use the ExtraSource variable # +# 5. SourceDir - If specified, this specifies a directory that the source files +# are in, if they are not in the current directory. This should include a +# trailing / character. +# +# 6. LLVM_SRC_ROOT - If specified, points to the top of the LLVM source tree. +# +# 8. BUILD_SRC_DIR - The directory which contains the current set of Makefiles +# and usually the source code too (unless SourceDir is set). +# +# 9. BUILD_SRC_ROOT - The root directory of the source code being compiled. +# +# 10. BUILD_OBJ_DIR - The directory where object code should be placed. +# +# 11. BUILD_OBJ_ROOT - The root directory for where object code should be +# placed. +# +# For building, +# LLVM, LLVM_SRC_ROOT = BUILD_SRC_ROOT +# #===-----------------------------------------------------------------------==== -# These are options that can either be enabled here, or can be enabled on the -# make command line (ie, make ENABLE_PROFILING=1) # +# Configuration file to set paths specific to local installation of LLVM +# +ifdef LLVM_SRC_ROOT +include $(LLVM_SRC_ROOT)/Makefile.config +else +include $(LEVEL)/Makefile.config +endif + +########################################################################### +# Directory Configuration +# This section of the Makefile determines what is where. To be +# specific, there are several locations that need to be defined: +# +# o LLVM_SRC_ROOT : The root directory of the LLVM source code. +# o LLVM_OBJ_ROOT : The root directory containing the built LLVM code. +# +# o BUILD_SRC_DIR : The directory containing the code to build. +# o BUILD_SRC_ROOT : The root directory of the code to build. +# +# o BUILD_OBJ_DIR : The directory in which compiled code will be placed. +# o BUILD_OBJ_ROOT : The root directory in which compiled code is placed. +# +########################################################################### + +# +# Set the source build directory. That is almost always the current directory. +# +ifndef BUILD_SRC_DIR +BUILD_SRC_DIR = $(shell pwd) +endif + +# +# Set the source root directory. +# +ifndef BUILD_SRC_ROOT +BUILD_SRC_ROOT = $(shell cd $(BUILD_SRC_DIR)/$(LEVEL); pwd) +endif + +# +# Determine the path of the source tree relative from $HOME (the mythical +# home directory). +# +HOME_OBJ_ROOT := $(OBJ_ROOT)$(patsubst $(HOME)%,%,$(BUILD_SRC_ROOT)) -# When ENABLE_PROFILING is enabled, the llvm source base is built with profile -# information to allow gprof to be used to get execution frequencies. # -#ENABLE_PROFILING = 1 +# Set the object build directory. Its location depends upon the source path +# and where object files should go. +# +ifndef BUILD_OBJ_DIR +ifeq ($(OBJ_ROOT),.) +BUILD_OBJ_DIR = $(BUILD_SRC_DIR) +else +BUILD_OBJ_DIR := $(HOME_OBJ_ROOT)$(patsubst $(BUILD_SRC_ROOT)%,%,$(BUILD_SRC_DIR)) +endif +endif -# When ENABLE_PURIFY is enabled, the LLVM tools are linked with purify (which -# must be locally installed) to allow for some automated memory error debugging. # -#ENABLE_PURIFY = 1 +# Set the root of the object directory. +# +ifndef BUILD_OBJ_ROOT +ifeq ($(OBJ_ROOT),.) +BUILD_OBJ_ROOT = $(BUILD_SRC_ROOT) +else +BUILD_OBJ_ROOT := $(HOME_OBJ_ROOT) +endif +endif -# When ENABLE_OPTIMIZED is enabled, Release builds of all of the LLVM code are -# turned on, and Debug builds are turned off. # -#ENABLE_OPTIMIZED = 1 +# Set the LLVM source directory. +# It is typically the root directory of what we're compiling now. +# +ifndef LLVM_SRC_ROOT +LLVM_SRC_ROOT := $(BUILD_SRC_ROOT) +endif -# If you do not want to build into /shared, uncomment this # -#BUILD_ROOT = . +# Set the LLVM object directory. +# +ifndef LLVM_OBJ_ROOT +LLVM_OBJ_ROOT := $(shell cd $(BUILD_OBJ_DIR); cd $(LLVM_SRC_ROOT); pwd) +endif + +########################################################################### +# Default Targets: +# The following targets are the standard top level targets for +# building. +########################################################################### ifdef SHARED_LIBRARY # if SHARED_LIBRARY is specified, the default is to build the dynamic lib -dynamic :: +all:: dynamic +endif + +ifdef BYTECODE_LIBRARY +# if BYTECODE_LIBRARY is specified, the default is to build the bytecode lib +all:: bytecodelib +install:: bytecodelib-install endif # Default Rule: Make sure it's also a :: rule @@ -56,94 +153,257 @@ all :: # Default for install is to at least build everything... install :: +# Default rule for test. It ensures everything has a test rule +test:: + +# Default rule for building only bytecode. +bytecode:: + +# Print out the directories used for building +prdirs:: + @echo "Home Offset : " $(HOME_OBJ_ROOT) + @echo "Build Source Root: " $(BUILD_SRC_ROOT) + @echo "Build Source Dir : " $(BUILD_SRC_DIR) + @echo "Build Object Root: " $(BUILD_OBJ_ROOT) + @echo "Build Object Dir : " $(BUILD_OBJ_DIR) + @echo "LLVM Source Root: " $(LLVM_SRC_ROOT) + @echo "LLVM Object Root: " $(LLVM_OBJ_ROOT) + +########################################################################### +# Suffixes and implicit rules: +# Empty out the list of suffixes, generate a list that is only +# used by this Makefile, and cancel useless implicit rules. This +# will hopefully speed up compilation a little bit. +########################################################################### +.SUFFIXES: +.SUFFIXES: .c .cpp .h .hpp .y .l +.SUFFIXES: .lo .o .a .so .bc +.SUFFIXES: .ps .dot .d -# Figure out which directory to build stuff into. We want to build into the -# /shared directory by default because it is guaranteed to be local to the -# current machine. # -ifdef BUILD_ROOT -BUILD_ROOT_TOP := $(LEVEL) -else - -LOGIN_NAME := $(shell whoami) -CUR_DIRECTORY := $(shell pwd) -BUILD_ROOT := /shared/$(LOGIN_NAME)$(patsubst $(HOME)%,%,$(CUR_DIRECTORY)) - -# Calculate the BUILD_ROOT_TOP variable, which is the top of the llvm/ tree. -# Note that although this is just equal to $(BUILD_ROOT)/$(LEVEL), we cannot use -# this expression because some of the directories on the source tree may not -# exist in the build tree (for example the test/ heirarchy). Thus we evaluate -# the directory to eliminate the ../'s +# Mark all of these targets as phony. This will hopefully speed up builds +# slightly since GNU Make will not try to find implicit rules for targets +# which are marked as Phony. # -TOP_DIRECTORY := $(shell cd $(LEVEL); pwd) -BUILD_ROOT_TOP := /shared/$(LOGIN_NAME)$(patsubst $(HOME)%,%,$(TOP_DIRECTORY)) -endif +.PHONY: all dynamic bytecodelib bytecodelib-install +.PHONY: clean distclean install test bytecode prdirs + +########################################################################### +# Miscellaneous paths and commands: +# This section defines various configuration macros, such as where +# to find burg, tblgen, and libtool. +########################################################################### #-------------------------------------------------------------------- -# Installation configuration options... +# Variables derived from configuration options... #-------------------------------------------------------------------- #BinInstDir=/usr/local/bin -#LibInstDir=/usrl/local/lib/xxx +#LibInstDir=/usr/local/lib/xxx #DocInstDir=/usr/doc/xxx -BURG = /home/vadve/vadve/Research/DynOpt/Burg/burg BURG_OPTS = -I +ifdef ENABLE_PROFILING + ENABLE_OPTIMIZED = 1 + CONFIGURATION := Profile +else + ifdef ENABLE_OPTIMIZED + CONFIGURATION := Release + else + CONFIGURATION := Debug + endif +endif -PURIFY = /usr/dcs/applications/purify/bin/purify -cache-dir="$(BUILD_ROOT_TOP)/../purifycache" -chain-length="30" -messages=all +# +# Enable this for profiling support with 'gprof' +# This automatically enables optimized builds. +# +ifdef ENABLE_PROFILING + PROFILE = -pg +endif -# Shorthand for commonly accessed directories -LIBDEBUG := $(BUILD_ROOT_TOP)/lib/Debug -LIBRELEASE := $(BUILD_ROOT_TOP)/lib/Release -TOOLDEBUG := $(BUILD_ROOT_TOP)/tools/Debug -TOOLRELEASE := $(BUILD_ROOT_TOP)/tools/Release +########################################################################### +# Library Locations: +# These variables describe various library locations: +# +# DEST* = Location of where libraries that are built will be placed. +# LLVM* = Location of LLVM libraries used for linking. +# PROJ* = Location of previously built libraries used for linking. +########################################################################### + +# Libraries that are being built +DESTLIBDEBUG := $(BUILD_OBJ_ROOT)/lib/Debug +DESTLIBRELEASE := $(BUILD_OBJ_ROOT)/lib/Release +DESTLIBPROFILE := $(BUILD_OBJ_ROOT)/lib/Profile +DESTLIBBYTECODE := $(BUILD_OBJ_ROOT)/lib/Bytecode +DESTLIBCURRENT := $(BUILD_OBJ_ROOT)/lib/$(CONFIGURATION) + +# LLVM libraries used for linking +LLVMLIBDEBUGSOURCE := $(LLVM_OBJ_ROOT)/lib/Debug +LLVMLIBRELEASESOURCE := $(LLVM_OBJ_ROOT)/lib/Release +LLVMLIBPROFILESOURCE := $(LLVM_OBJ_ROOT)/lib/Profile +LLVMLIBCURRENTSOURCE := $(LLVM_OBJ_ROOT)/lib/$(CONFIGURATION) + +# Libraries that were built that will now be used for linking +PROJLIBDEBUGSOURCE := $(BUILD_OBJ_ROOT)/lib/Debug +PROJLIBRELEASESOURCE := $(BUILD_OBJ_ROOT)/lib/Release +PROJLIBPROFILESOURCE := $(BUILD_OBJ_ROOT)/lib/Profile +PROJLIBCURRENTSOURCE := $(BUILD_OBJ_ROOT)/lib/$(CONFIGURATION) + +########################################################################### +# Tool Locations +# These variables describe various tool locations: +# +# DEST* = Location of where tools that are built will be placed. +# LLVM* = Location of LLVM tools used for building. +# PROJ* = Location of previously built tools used for linking. +########################################################################### + +DESTTOOLDEBUG := $(BUILD_OBJ_ROOT)/tools/Debug +DESTTOOLRELEASE := $(BUILD_OBJ_ROOT)/tools/Release +DESTTOOLPROFILE := $(BUILD_OBJ_ROOT)/tools/Profile +DESTTOOLCURRENT := $(BUILD_OBJ_ROOT)/tools/$(CONFIGURATION) + +LLVMTOOLDEBUG := $(LLVM_OBJ_ROOT)/tools/Debug +LLVMTOOLRELEASE := $(LLVM_OBJ_ROOT)/tools/Release +LLVMTOOLPROFILE := $(LLVM_OBJ_ROOT)/tools/Profile +LLVMTOOLCURRENT := $(LLVM_OBJ_ROOT)/tools/$(CONFIGURATION) + +PROJTOOLDEBUG := $(BUILD_OBJ_ROOT)/tools/Debug +PROJTOOLRELEASE := $(BUILD_OBJ_ROOT)/tools/Release +PROJTOOLPROFILE := $(BUILD_OBJ_ROOT)/tools/Profile +PROJTOOLCURRENT := $(BUILD_OBJ_ROOT)/tools/$(CONFIGURATION) -#--------------------------------------------------------- -# Compilation options... -#--------------------------------------------------------- +# +# Libtool is found in the current directory. +# +LIBTOOL := $(LLVM_SRC_ROOT)/mklib -# Special tools used while building -RunBurg := $(BURG) $(BURG_OPTS) +# +# If we're not building a shared library, use the disable-shared tag with +# libtool. This will disable the building of objects for shared libraries and +# only generate static library objects. +# +# For dynamic libraries, we'll take the performance hit for now, since we +# almost never build them. +# +# This should speed up compilation and require no modifications to future +# versions of libtool. +# +ifndef SHARED_LIBRARY +LIBTOOL += --tag=disable-shared +endif -# Enable this for profiling support with 'gprof' -ifdef ENABLE_PROFILING -PROFILE = -pg -else -PROFILE = +# +# Verbosity levels +# +ifndef VERBOSE +VERB := @ +LIBTOOL += --silent endif -# -Wno-unused-parameter -CompileCommonOpts := $(PROFILE) -Wall -W -Wwrite-strings -Wno-unused -I$(LEVEL)/include +########################################################################### +# Miscellaneous paths and commands (part deux): +# This section defines various configuration macros, such as where +# to find burg, tblgen, and libtool. +########################################################################### -# Compile a file, don't link... -Compile := $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(CompileCommonOpts) -CompileG := $(Compile) -g -D_DEBUG -CompileO := $(Compile) -O3 -DNDEBUG -finline-functions -felide-constructors -fnonnull-objects -freg-struct-return -fshort-enums +#-------------------------------------------------------------------------- +# Utilities used while building the LLVM tree, which live in the utils dir +# +BURG := $(LLVMTOOLCURRENT)/burg +RunBurg := $(BURG) $(BURG_OPTS) +TBLGEN := $(LLVMTOOLCURRENT)/tblgen -# Link final executable +#-------------------------------------------------------------------------- +# The LLVM GCC front-end in C and C++ flavors +# +LLVMGCC := PATH=$(LLVMTOOLCURRENT):$(PATH) $(LLVMGCCDIR)/bin/gcc +LCC1 := $(LLVMGCCDIR)/libexec/gcc/$(LLVMGCCARCH)/cc1 +LLVMGXX := PATH=$(LLVMTOOLCURRENT):$(PATH) $(LLVMGCCDIR)/bin/g++ +LCC1XX := $(LLVMGCCDIR)/libexec/gcc/$(LLVMGCCARCH)/cc1plus + +#-------------------------------------------------------------------------- +# Some of the compiled LLVM tools which are used for compilation of runtime +# libraries. +# +LLVMAS := $(LLVMTOOLCURRENT)/as -ifdef ENABLE_PURIFY # To enable purify, build with 'gmake ENABLE_PURIFY=1' -Link := $(PURIFY) $(CXX) $(PROFILE) -static -else -Link := $(CXX) $(PROFILE) + +########################################################################### +# Compile Time Flags +########################################################################### + +# +# Include both the project headers and the LLVM headers for compilation and +# dependency computation. +# +CPPFLAGS += -I$(BUILD_SRC_ROOT)/include -I$(LLVM_SRC_ROOT)/include + +# By default, strip symbol information from executable +ifndef KEEP_SYMBOLS +STRIP = $(PLATFORMSTRIPOPTS) +STRIP_WARN_MSG = "(without symbols)" endif -LinkG := $(Link) -g -L $(LIBDEBUG) -LinkO := $(Link) -O3 -L $(LIBRELEASE) -# Create a .so file from a .o files... -#MakeSO := $(CXX) -shared $(PROFILE) -MakeSO := $(CXX) -G $(PROFILE) -MakeSOO := $(MakeSO) -O3 +# Allow gnu extensions... +CPPFLAGS += -D_GNU_SOURCE + +CompileCommonOpts := -Wall -W -Wwrite-strings -Wno-unused -I$(LEVEL)/include +CompileOptimizeOpts := -O3 -DNDEBUG -finline-functions -fshort-enums + +# +# Compile commands with libtool. +# +Compile := $(LIBTOOL) --mode=compile $(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(CompileCommonOpts) +CompileC := $(LIBTOOL) --mode=compile $(CC) -c $(CPPFLAGS) $(CCFLAGS) $(CompileCommonOpts) + +# Compile a cpp file, don't link... +CompileG := $(Compile) -g -D_DEBUG +CompileO := $(Compile) $(CompileOptimizeOpts) -felide-constructors -fomit-frame-pointer +CompileP := $(Compile) $(CompileOptimizeOpts) -felide-constructors $(PROFILE) + +# Compile a c file, don't link... +CompileCG := $(CompileC) -g -D_DEBUG +CompileCO := $(CompileC) $(CompileOptimizeOpts) -fomit-frame-pointer +CompileCP := $(CompileC) $(CompileOptimizeOpts) $(PROFILE) + +########################################################################### +# Link Time Options +########################################################################### + +# +# Link final executable +# (Note that we always link with the C++ compiler). +# +Link := $(LIBTOOL) --mode=link $(CXX) + +# link both projlib and llvmlib libraries +LinkG := $(Link) -g -L$(PROJLIBDEBUGSOURCE) -L$(LLVMLIBDEBUGSOURCE) $(STRIP) +LinkO := $(Link) -O3 -L$(PROJLIBRELEASESOURCE) -L$(LLVMLIBRELEASESOURCE) +LinkP := $(Link) -O3 -L$(PROJLIBPROFILESOURCE) -L$(LLVMLIBPROFILESOURCE) $(PROFILE) # Create one .o file from a bunch of .o files... -Relink = ld -r +Relink := ${LIBTOOL} --mode=link $(CXX) + +# +# Configure where the item being compiled should go. +# +ifdef SHARED_LIBRARY +Link += -rpath $(DESTLIBCURRENT) +endif + +ifdef TOOLNAME +Link += -rpath $(DESTTOOLCURRENT) +endif -# Create dependancy file from CPP file, send to stdout. +# Create dependency file from CPP file, send to stdout. Depend := $(CXX) -MM -I$(LEVEL)/include $(CPPFLAGS) +DependC := $(CC) -MM -I$(LEVEL)/include $(CPPFLAGS) # Archive a bunch of .o files into a .a file... -AR = ar cq +AR = ${AR_PATH} cq #---------------------------------------------------------- @@ -151,27 +411,65 @@ AR = ar cq # source files... # The local Makefile can list other Source files via ExtraSource = ... # +ifndef Source Source := $(ExtraSource) $(wildcard *.cpp *.c *.y *.l) +endif -Objs := $(sort $(patsubst Debug/%.o, %.o, $(addsuffix .o,$(basename $(Source))))) -ObjectsO = $(addprefix $(BUILD_ROOT)/Release/,$(Objs))) -ObjectsG = $(addprefix $(BUILD_ROOT)/Debug/,$(Objs)) +# +# Libtool Objects +# +Srcs := $(sort $(notdir $(basename $(Source)))) +Objs := $(addsuffix .lo, $(Srcs)) +ObjectsO := $(addprefix $(BUILD_OBJ_DIR)/Release/,$(Objs)) +ObjectsP := $(addprefix $(BUILD_OBJ_DIR)/Profile/,$(Objs)) +ObjectsG := $(addprefix $(BUILD_OBJ_DIR)/Debug/,$(Objs)) +ObjectsBC := $(addprefix $(BUILD_OBJ_DIR)/Bytecode/,$(addsuffix .bc, $(Srcs))) +# +# The real objects underlying the libtool objects +# +RObjs := $(sort $(patsubst Debug/%.o, %.o, $(addsuffix .o,$(notdir $(basename $(Source)))))) +RObjectsO := $(addprefix $(BUILD_OBJ_DIR)/Release/,$(RObjs)) +RObjectsP := $(addprefix $(BUILD_OBJ_DIR)/Profile/,$(RObjs)) +RObjectsG := $(addprefix $(BUILD_OBJ_DIR)/Debug/,$(RObjs)) #--------------------------------------------------------- -# Handle the DIRS option +# Handle the DIRS and PARALLEL_DIRS options #--------------------------------------------------------- -ifdef DIRS # Only do this if we're using DIRS! +ifdef DIRS +all install clean test bytecode :: + $(VERB) for dir in ${DIRS}; do \ + (cd $$dir; $(MAKE) $@) || exit 1; \ + done +endif -all :: $(addsuffix /.makeall , $(DIRS)) -install :: $(addsuffix /.makeinstall, $(DIRS)) -clean :: $(addsuffix /.makeclean , $(DIRS)) +# Handle PARALLEL_DIRS +ifdef PARALLEL_DIRS +all :: $(addsuffix /.makeall , $(PARALLEL_DIRS)) +install :: $(addsuffix /.makeinstall , $(PARALLEL_DIRS)) +clean :: $(addsuffix /.makeclean , $(PARALLEL_DIRS)) +test :: $(addsuffix /.maketest , $(PARALLEL_DIRS)) +bytecode :: $(addsuffix /.makebytecode, $(PARALLEL_DIRS)) -%/.makeall %/.makeclean %/.makeinstall: - cd $(@D); $(MAKE) $(subst $(@D)/.make,,$@) +%/.makeall %/.makeinstall %/.makeclean %/.maketest %/.makebytecode: + $(VERB) cd $(@D); $(MAKE) $(subst $(@D)/.make,,$@) endif +# Handle directories that may or may not exist +ifdef OPTIONAL_DIRS +all install clean test bytecode :: + $(VERB) for dir in ${OPTIONAL_DIRS}; do \ + if [ -d $$dir ]; \ + then\ + (cd $$dir; $(MAKE) $@) || exit 1; \ + fi \ + done +endif + +########################################################################### +# Library Build Rules: +# #--------------------------------------------------------- # Handle the LIBRARYNAME option - used when building libs... #--------------------------------------------------------- @@ -188,65 +486,126 @@ endif # it's built as a .o file, then all of the constituent .o files in it will be # linked into tools (for example gccas) even if they only use one of the parts # of it. For this reason, sometimes it's useful to use libraries as .a files. +########################################################################### ifdef LIBRARYNAME -LIBNAME_O := $(LIBRELEASE)/lib$(LIBRARYNAME).so -LIBNAME_G := $(LIBDEBUG)/lib$(LIBRARYNAME).so -LIBNAME_AO := $(LIBRELEASE)/lib$(LIBRARYNAME).a -LIBNAME_AG := $(LIBDEBUG)/lib$(LIBRARYNAME).a -LIBNAME_OBJO := $(LIBRELEASE)/$(LIBRARYNAME).o -LIBNAME_OBJG := $(LIBDEBUG)/$(LIBRARYNAME).o +# Make sure there isn't any extranous whitespace on the LIBRARYNAME option +LIBRARYNAME := $(strip $(LIBRARYNAME)) +LIBNAME_O := $(DESTLIBRELEASE)/lib$(LIBRARYNAME).so +LIBNAME_P := $(DESTLIBPROFILE)/lib$(LIBRARYNAME).so +LIBNAME_G := $(DESTLIBDEBUG)/lib$(LIBRARYNAME).so +LIBNAME_AO := $(DESTLIBRELEASE)/lib$(LIBRARYNAME).a +LIBNAME_AP := $(DESTLIBPROFILE)/lib$(LIBRARYNAME).a +LIBNAME_AG := $(DESTLIBDEBUG)/lib$(LIBRARYNAME).a +LIBNAME_OBJO := $(DESTLIBRELEASE)/$(LIBRARYNAME).o +LIBNAME_OBJP := $(DESTLIBPROFILE)/$(LIBRARYNAME).o +LIBNAME_OBJG := $(DESTLIBDEBUG)/$(LIBRARYNAME).o +LIBNAME_BC := $(DESTLIBBYTECODE)/lib$(LIBRARYNAME).bc -ifndef ENABLE_OPTIMIZED -BUILD_LIBNAME_G := $(LIBNAME_G) -ifndef DONT_BUILD_RELINKED -BUILD_LIBNAME_OBJG := $(LIBNAME_OBJG) -endif -ifdef BUILD_ARCHIVE -BUILD_LIBNAME_AG := $(LIBNAME_AG) -endif -endif +#-------------------------------------------------------------------- +# Library Targets +# Modify the top level targets to build the desired libraries. +#-------------------------------------------------------------------- + +# dynamic target builds a shared object version of the library... +dynamic:: $(DESTLIBCURRENT)/lib$(LIBRARYNAME).so +bytecodelib:: $(LIBNAME_BC) +bytecodelib-install:: $(LLVMGCCDIR)/bytecode-libs/lib$(LIBRARYNAME).bc -# If optimized builds are enabled... -ifdef ENABLE_OPTIMIZED -BUILD_LIBNAME_O := $(LIBNAME_O) +$(LLVMGCCDIR)/bytecode-libs/lib$(LIBRARYNAME).bc: $(LIBNAME_BC) + @echo ======= Installing $(LIBRARYNAME) bytecode library ======= + cp $< $@ + +# Does the library want a .o version built? ifndef DONT_BUILD_RELINKED -BUILD_LIBNAME_OBJO := $(LIBNAME_OBJO) +all:: $(DESTLIBCURRENT)/$(LIBRARYNAME).o endif + +# Does the library want an archive version built? ifdef BUILD_ARCHIVE -BUILD_LIBNAME_AO := $(LIBNAME_AO) +all:: $(DESTLIBCURRENT)/lib$(LIBRARYNAME).a endif + +#-------------------------------------------------------------------- +# Rules for building libraries +#-------------------------------------------------------------------- + +LinkBCLib := $(LLVMGCC) -shared +ifdef EXPORTED_SYMBOL_LIST +LinkBCLib += -Xlinker -internalize-public-api-list=$(EXPORTED_SYMBOL_LIST) +else +LinkBCLib += -Xlinker -disable-internalize endif -all:: $(BUILD_LIBNAME_AG) $(BUILD_LIBNAME_OBJG) # Debug -all:: $(BUILD_LIBNAME_AO) $(BUILD_LIBNAME_OBJO) # Release -dynamic:: $(BUILD_LIBNAME_G) $(BUILD_LIBNAME_O) # .so files -$(LIBNAME_O): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir - @echo ======= Linking $(LIBRARYNAME) release library ======= - $(MakeSOO) -o $@ $(ObjectsO) $(LibSubDirs) $(LibLinkOpts) +# Rule for building bytecode libraries. +$(LIBNAME_BC): $(ObjectsBC) $(LibSubDirs) $(DESTLIBBYTECODE)/.dir + @echo ======= Linking $(LIBRARYNAME) bytecode library ======= + $(VERB) $(LinkBCLib) -o $@ $(ObjectsBC) $(LibSubDirs) $(LibLinkOpts) +# +# Rules for building dynamically linked libraries. +# +$(LIBNAME_O): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir + @echo ======= Linking $(LIBRARYNAME) dynamic release library ======= + $(VERB) $(Link) -o $*.la $(ObjectsO) $(LibSubDirs) $(LibLinkOpts) + $(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT) -$(LIBNAME_G): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir - @echo ======= Linking $(LIBRARYNAME) debug library ======= - $(MakeSO) -g -o $@ $(ObjectsG) $(LibSubDirs) $(LibLinkOpts) +$(LIBNAME_P): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir + @echo ======= Linking $(LIBRARYNAME) dynamic profile library ======= + $(VERB) $(Link) -o $*.la $(ObjectsP) $(LibSubDirs) $(LibLinkOpts) + $(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT) -$(LIBNAME_AO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir - @echo ======= Linking $(LIBRARYNAME) release library ======= - @rm -f $@ - $(AR) $@ $(ObjectsO) $(LibSubDirs) +$(LIBNAME_G): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir + @echo ======= Linking $(LIBRARYNAME) dynamic debug library ======= + $(VERB) $(Link) -o $*.la $(ObjectsG) $(LibSubDirs) $(LibLinkOpts) + $(VERB) $(LIBTOOL) --mode=install $(INSTALL) $*.la $(DESTLIBCURRENT) -$(LIBNAME_AG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir - @echo ======= Linking $(LIBRARYNAME) debug library ======= - @rm -f $@ - $(AR) $@ $(ObjectsG) $(LibSubDirs) +# +# Rules for building static archive libraries. +# +$(LIBNAME_AO): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir + @echo ======= Linking $(LIBRARYNAME) archive release library ======= + @$(RM) -f $@ + $(VERB) $(Link) -03 -o $@ $(ObjectsO) $(LibSubDirs) -static + +$(LIBNAME_AP): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir + @echo ======= Linking $(LIBRARYNAME) archive profile library ======= + @$(RM) -f $@ + $(VERB) $(Link) -03 $(PROFILE) -o $@ $(ObjectsP) $(LibSubDirs) -static + +$(LIBNAME_AG): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir + @echo ======= Linking $(LIBRARYNAME) archive debug library ======= + @$(RM) -f $@ + $(VERB) $(Link) -g $(STRIP) -o $@ $(ObjectsG) $(LibSubDirs) -static + + +# +# Rules for building .o libraries. +# +# JTC: +# Note that for this special case, we specify the actual object files +# instead of their libtool counterparts. This is because libtool +# doesn't want to generate a reloadable object file unless it is given +# .o files explicitly. +# +# Note that we're making an assumption here: If we build a .lo file, +# it's corresponding .o file will be placed in the same directory. +# +# I think that is safe. +# +$(LIBNAME_OBJO): $(ObjectsO) $(LibSubDirs) $(DESTLIBRELEASE)/.dir + @echo "Linking $@" + $(VERB) $(Relink) -o $@ $(RObjectsO) $(LibSubDirs) -$(LIBNAME_OBJO): $(ObjectsO) $(LibSubDirs) $(LIBRELEASE)/.dir - $(Relink) -o $@ $(ObjectsO) $(LibSubDirs) +$(LIBNAME_OBJP): $(ObjectsP) $(LibSubDirs) $(DESTLIBPROFILE)/.dir + @echo "Linking $@" + $(VERB) $(Relink) -o $@ $(RObjectsP) $(LibSubDirs) -$(LIBNAME_OBJG): $(ObjectsG) $(LibSubDirs) $(LIBDEBUG)/.dir - $(Relink) -o $@ $(ObjectsG) $(LibSubDirs) +$(LIBNAME_OBJG): $(ObjectsG) $(LibSubDirs) $(DESTLIBDEBUG)/.dir + @echo "Linking $@" + $(VERB) $(Relink) -o $@ $(RObjectsG) $(LibSubDirs) endif @@ -254,11 +613,18 @@ endif # Create a TAGS database for emacs #------------------------------------------------------------------------ +ifdef ETAGS ifeq ($(LEVEL), .) +SRCDIRS := $(wildcard include lib tools) + tags: - etags -l c++ `find include lib tools -name '*.cpp' -o -name '*.h'` + $(ETAGS) -l c++ `find $(SRCDIRS) -name '*.cpp' -o -name '*.h'` all:: tags endif +else +tags: + ${ECHO} "Cannot build $@: The program etags is not installed" +endif #------------------------------------------------------------------------ # Handle the TOOLNAME option - used when building tool executables... @@ -272,92 +638,210 @@ endif ifdef TOOLNAME # TOOLEXENAME* - These compute the output filenames to generate... -TOOLEXENAME_G := $(BUILD_ROOT_TOP)/tools/Debug/$(TOOLNAME) -TOOLEXENAME_O := $(BUILD_ROOT_TOP)/tools/Release/$(TOOLNAME) -TOOLEXENAMES := $(TOOLEXENAME_G) -ifdef ENABLE_OPTIMIZED -TOOLEXENAMES += $(TOOLEXENAME_O) -endif +TOOLEXENAME_G := $(DESTTOOLDEBUG)/$(TOOLNAME) +TOOLEXENAME_O := $(DESTTOOLRELEASE)/$(TOOLNAME) +TOOLEXENAME_P := $(DESTTOOLPROFILE)/$(TOOLNAME) +TOOLEXENAMES := $(DESTTOOLCURRENT)/$(TOOLNAME) # USED_LIBS_OPTIONS - Compute the options line that add -llib1 -llib2, etc. -USED_LIBS_OPTIONS := $(patsubst %.a.o, -l%, $(addsuffix .o, $(USEDLIBS))) -USED_LIBS_OPTIONS_G := $(patsubst %.o, $(LIBDEBUG)/%.o, $(USED_LIBS_OPTIONS)) -USED_LIBS_OPTIONS_O := $(patsubst %.o, $(LIBRELEASE)/%.o,$(USED_LIBS_OPTIONS)) +PROJ_LIBS_OPTIONS := $(patsubst %.a.o, -l%, $(addsuffix .o, $(USEDLIBS))) +PROJ_LIBS_OPTIONS_G := $(patsubst %.o, $(PROJLIBDEBUGSOURCE)/%.o, $(PROJ_LIBS_OPTIONS)) +PROJ_LIBS_OPTIONS_O := $(patsubst %.o, $(PROJLIBRELEASESOURCE)/%.o,$(PROJ_LIBS_OPTIONS)) +PROJ_LIBS_OPTIONS_P := $(patsubst %.o, $(PROJLIBPROFILESOURCE)/%.o,$(PROJ_LIBS_OPTIONS)) +LLVM_LIBS_OPTIONS := $(patsubst %.a.o, -l%, $(addsuffix .o, $(LLVMLIBS))) +LLVM_LIBS_OPTIONS_G := $(patsubst %.o, $(LLVMLIBDEBUGSOURCE)/%.o, $(LLVM_LIBS_OPTIONS)) +LLVM_LIBS_OPTIONS_O := $(patsubst %.o, $(LLVMLIBRELEASESOURCE)/%.o,$(LLVM_LIBS_OPTIONS)) +LLVM_LIBS_OPTIONS_P := $(patsubst %.o, $(LLVMLIBPROFILESOURCE)/%.o,$(LLVM_LIBS_OPTIONS)) + +LIB_OPTS_G := $(LLVM_LIBS_OPTIONS_G) $(PROJ_LIBS_OPTIONS_G) +LIB_OPTS_O := $(LLVM_LIBS_OPTIONS_O) $(PROJ_LIBS_OPTIONS_O) +LIB_OPTS_P := $(LLVM_LIBS_OPTIONS_P) $(PROJ_LIBS_OPTIONS_P) # USED_LIB_PATHS - Compute the path of the libraries used so that tools are # rebuilt if libraries change. This has to make sure to handle .a/.so and .o -# files seperately. +# files separately. # STATICUSEDLIBS := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(USEDLIBS))) -USED_LIB_PATHS_G := $(addprefix $(LIBDEBUG)/, $(STATICUSEDLIBS)) -USED_LIB_PATHS_O := $(addprefix $(LIBRELEASE)/, $(STATICUSEDLIBS)) +USED_LIB_PATHS_G := $(addprefix $(DESTLIBDEBUG)/, $(STATICUSEDLIBS)) +USED_LIB_PATHS_O := $(addprefix $(DESTLIBRELEASE)/, $(STATICUSEDLIBS)) +USED_LIB_PATHS_P := $(addprefix $(DESTLIBPROFILE)/, $(STATICUSEDLIBS)) + +# +# Libtool link options: +# Ensure that all binaries have their symbols exported so that they can +# by dlsym'ed. +# +LINK_OPTS := -export-dynamic $(TOOLLINKOPTS) + + + + + +# Tell make that we need to rebuild subdirectories before we can link the tool. +# This affects things like LLI which has library subdirectories. +$(USED_LIB_PATHS_G) $(USED_LIB_PATHS_O) $(USED_LIB_PATHS_P): \ + $(addsuffix /.makeall, $(PARALLEL_DIRS)) all:: $(TOOLEXENAMES) + clean:: - rm -f $(TOOLEXENAMES) + $(VERB) $(RM) -f $(TOOLEXENAMES) + +$(TOOLEXENAME_G): $(ObjectsG) $(USED_LIB_PATHS_G) $(DESTTOOLDEBUG)/.dir + @echo ======= Linking $(TOOLNAME) debug executable $(STRIP_WARN_MSG) ======= + $(VERB) $(LinkG) -o $@ $(ObjectsG) $(LIB_OPTS_G) $(LINK_OPTS) $(LIBS) -$(TOOLEXENAME_G): $(ObjectsG) $(USED_LIB_PATHS_G) $(BUILD_ROOT_TOP)/tools/Debug/.dir - $(LinkG) -o $@ $(ObjectsG) $(USED_LIBS_OPTIONS_G) $(TOOLLINKOPTS) +$(TOOLEXENAME_O): $(ObjectsO) $(USED_LIB_PATHS_O) $(DESTTOOLRELEASE)/.dir + @echo ======= Linking $(TOOLNAME) release executable ======= + $(VERB) $(LinkO) -o $@ $(ObjectsO) $(LIB_OPTS_O) $(LINK_OPTS) $(LIBS) -$(TOOLEXENAME_O): $(ObjectsO) $(USED_LIB_PATHS_O) $(BUILD_ROOT_TOP)/tools/Release/.dir - $(LinkO) -o $@ $(ObjectsG) $(USED_LIBS_OPTIONS_O) $(TOOLLINKOPTS) +$(TOOLEXENAME_P): $(ObjectsP) $(USED_LIB_PATHS_P) $(DESTTOOLPROFILE)/.dir + @echo ======= Linking $(TOOLNAME) profile executable ======= + $(VERB) $(LinkP) -o $@ $(ObjectsP) $(LIB_OPTS_P) $(LINK_OPTS) $(LIBS) endif #--------------------------------------------------------- -.PRECIOUS: $(BUILD_ROOT)/Depend/.dir -.PRECIOUS: $(BUILD_ROOT)/Debug/.dir $(BUILD_ROOT)/Release/.dir +.PRECIOUS: $(BUILD_OBJ_DIR)/Depend/.dir $(BUILD_OBJ_DIR)/Bytecode/.dir +.PRECIOUS: $(BUILD_OBJ_DIR)/Debug/.dir $(BUILD_OBJ_DIR)/Release/.dir -# Create dependencies for the *.cpp files... -$(BUILD_ROOT)/Depend/%.d: %.cpp $(BUILD_ROOT)/Depend/.dir - $(Depend) $< | sed 's|$*\.o *|$(BUILD_ROOT)/Release/& $(BUILD_ROOT)/Debug/& $(BUILD_ROOT)/Depend/$(@F)|g' > $@ +# Create .lo files in the ObjectFiles directory from the .cpp and .c files... +$(BUILD_OBJ_DIR)/Release/%.lo: $(SourceDir)%.cpp $(BUILD_OBJ_DIR)/Release/.dir + @echo "Compiling $<" + $(VERB) $(CompileO) $< -o $@ -# Create dependencies for the *.c files... -$(BUILD_ROOT)/Depend/%.d: %.c $(BUILD_ROOT)/Depend/.dir - $(Depend) $< | sed 's|$*\.o *|Release/& Debug/& Depend/$(@F)|g' > $@ +$(BUILD_OBJ_DIR)/Release/%.lo: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Release/.dir + @echo "Compiling $<" + $(VERB) $(CompileCO) $< -o $@ + +$(BUILD_OBJ_DIR)/Profile/%.lo: $(SourceDir)%.cpp $(BUILD_OBJ_DIR)/Profile/.dir + @echo "Compiling $<" + $(VERB) $(CompileP) $< -o $@ -# Create .o files in the ObjectFiles directory from the .cpp and .c files... -$(BUILD_ROOT)/Release/%.o: %.cpp $(BUILD_ROOT)/Release/.dir - $(CompileO) $< -o $@ +$(BUILD_OBJ_DIR)/Profile/%.lo: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Profile/.dir + @echo "Compiling $<" + $(VERB) $(CompileCP) $< -o $@ -#Release/%.o: %.c Release/.dir Depend/.dir -# $(CompileOC) $< -o $@ +$(BUILD_OBJ_DIR)/Debug/%.lo: $(SourceDir)%.cpp $(BUILD_OBJ_DIR)/Debug/.dir + @echo "Compiling $<" + $(VERB) $(CompileG) $< -o $@ -$(BUILD_ROOT)/Debug/%.o: %.cpp $(BUILD_ROOT)/Debug/.dir - $(CompileG) $< -o $@ +$(BUILD_OBJ_DIR)/Debug/%.lo: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Debug/.dir + @echo "Compiling $<" + $(VERB) $(CompileCG) $< -o $@ -#Debug/%.o: %.c Debug/.dir -# $(CompileGC) $< -o $@ +$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)%.cpp $(BUILD_OBJ_DIR)/Bytecode/.dir $(LCC1XX) + @echo "Compiling $< to bytecode" + $(VERB) $(LLVMGXX) $(CPPFLAGS) -c $< -o $@ + +$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Bytecode/.dir $(LCC1) + @echo "Compiling $< to bytecode" + $(VERB) $(LLVMGCC) $(CPPFLAGS) -c $< -o $@ + +$(BUILD_OBJ_DIR)/Bytecode/%.bc: $(SourceDir)%.ll $(BUILD_OBJ_DIR)/Bytecode/.dir $(LLVMAS) + @echo "Compiling $< to bytecode" + $(VERB) $(LLVMAS) $< -f -o $@ + + +# +# Rules for building lex/yacc files +# +LEX_FILES = $(filter %.l, $(Source)) +LEX_OUTPUT = $(LEX_FILES:%.l=%.cpp) +YACC_FILES = $(filter %.y, $(Source)) +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 - flex -t $< | sed '/^find_rule/d' | sed 's/void yyunput/inline void yyunput/' | sed 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' > $@ + @echo Flex\'ing $<... + $(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 - bison -v -d -p $(<:%Parser.y=%) $(basename $@).y - mv -f $(basename $@).tab.c $(basename $@).cpp - mv -f $(basename $@).tab.h $(basename $@).h + @echo Bison\'ing $<... + $(VERB) $(BISON) -v -d -p $(<:%Parser.y=%) $*.y + $(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: - mkdir -p $(@D) - @date > $@ + $(VERB) ${MKDIR} $* > /dev/null + @$(DATE) > $@ + +# To create postscript files from dot files... +ifdef DOT +%.ps: %.dot + ${DOT} -Tps < $< > $@ +else +%.ps: %.dot + ${ECHO} "Cannot build $@: The program dot is not installed" +endif -# Clean nukes the tree +# 'make clean' nukes the tree clean:: - rm -rf Debug Release Depend - rm -f core *.o *.d *.so *~ *.flc + $(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Debug $(BUILD_OBJ_DIR)/Release + $(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Profile $(BUILD_OBJ_DIR)/Depend + $(VERB) $(RM) -rf $(BUILD_OBJ_DIR)/Bytecode + $(VERB) $(RM) -f core core.[0-9][0-9]* *.o *.d *.so *~ *.flc + $(VERB) $(RM) -f $(LEX_OUTPUT) $(YACC_OUTPUT) + +########################################################################### +# C/C++ Dependencies +# Define variables and rules that generate header file dependencies +# from C/C++ source files. +########################################################################### + +# If dependencies were generated for the file that included this file, +# include the dependencies now... +# +SourceBaseNames := $(basename $(notdir $(filter-out Debug/%, $(Source)))) +SourceDepend := $(SourceBaseNames:%=$(BUILD_OBJ_DIR)/Depend/%.d) + +# Create dependencies for the *.cpp files... +$(BUILD_OBJ_DIR)/Depend/%.d: $(SourceDir)%.cpp $(BUILD_OBJ_DIR)/Depend/.dir + $(VERB) $(Depend) $< | $(SED) 's|\.o|\.lo|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@ + $(VERB) $(Depend) $< | $(SED) 's|$*.o: $*.cpp||' | $(SED) 's|[^\]$$|&::|' >> $@ + +# Create dependencies for the *.c files... +$(BUILD_OBJ_DIR)/Depend/%.d: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Depend/.dir + $(VERB) $(DependC) -o $@ $< | $(SED) 's|\.o|\.lo|' | $(SED) 's|$*\.lo *|$(BUILD_OBJ_DIR)/Release/& $(BUILD_OBJ_DIR)/Profile/& $(BUILD_OBJ_DIR)/Debug/& $(BUILD_OBJ_DIR)/Depend/$(@F)|g' > $@ + $(VERB) $(Depend) $< | $(SED) 's|$*.o: $*.c||' | $(SED) 's|[^\]$$|&::|' >> $@ -# If dependancies were generated for the file that included this file, -# include the dependancies now... # -SourceDepend := $(addsuffix .d,$(addprefix $(BUILD_ROOT)/Depend/,$(basename $(filter-out Debug/%, $(Source))))) +# Include dependencies generated from C/C++ source files, but not if we +# are cleaning (this example taken from the GNU Make Manual). +# +ifneq ($(MAKECMDGOALS),clean) +ifneq ($(MAKECMDGOALS),distclean) ifneq ($(SourceDepend),) -include $(SourceDepend) +-include $(SourceDepend) +endif +endif endif + +cleandeps:: + $(VERB) rm -f $(SourceDepend) +