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