blob: cbfd43a64c48f08491c24c4775fbd59d7f703ec4 [file] [log] [blame]
##
## This file is part of the libpayload project.
##
## Copyright (C) 2008 Advanced Micro Devices, Inc.
## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
## Copyright (C) 2009-2010 coresystems GmbH
## Copyright (C) 2011 secunet Security Networks AG
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
## 3. The name of the author may not be used to endorse or promote products
## derived from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##
ifeq ($(INNER_SCANBUILD),y)
CC_real:=$(CC)
endif
$(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile)))
include .xcompile
ifeq ($(INNER_SCANBUILD),y)
CC:=$(CC_real)
HOSTCC:=$(CC_real) --hostcc
HOSTCXX:=$(CC_real) --hostcxx
endif
export top := $(CURDIR)
export src := src
export srck := $(top)/util/kconfig
export obj ?= build
export objutil ?= $(obj)/util
export objk := $(objutil)/kconfig
export KCONFIG_AUTOHEADER := $(obj)/config.h
export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
# directory containing the toplevel Makefile.inc
TOPLEVEL := .
CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
DOTCONFIG ?= .config
KCONFIG_CONFIG = $(DOTCONFIG)
export KCONFIG_CONFIG
HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
MAKEFLAGS += -rR --no-print-directory
# Make is silent per default, but 'make V=1' will show all compiler calls.
Q:=@
ifneq ($(V),1)
ifneq ($(Q),)
.SILENT:
endif
endif
CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS := -I$(srck) -I$(objk) -g
HOSTCXXFLAGS := -I$(srck) -I$(objk)
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
all: real-all
# This include must come _before_ the pattern rules below!
# Order _does_ matter for pattern rules.
include util/kconfig/Makefile
include $(HAVE_DOTCONFIG)
ARCHDIR-$(CONFIG_ARCH_ARMV7) := armv7
ARCHDIR-$(CONFIG_ARCH_POWERPC) := powerpc
ARCHDIR-$(CONFIG_ARCH_X86) := x86
ARCH-y := $(ARCHDIR-y)
# If architecture folder name is different from GCC binutils architecture name,
# override here.
ARCH-$(CONFIG_ARCH_ARMV7) := armv7
ARCH-$(CONFIG_ARCH_ARMV7) := armv7
ARCH-$(CONFIG_ARCH_X86) := i386
CC := $(CC_$(ARCH-y))
AS := $(AS_$(ARCH-y))
LD := $(LD_$(ARCH-y))
NM := $(NM_$(ARCH-y))
OBJCOPY := $(OBJCOPY_$(ARCH-y))
OBJDUMP := $(OBJDUMP_$(ARCH-y))
READELF := $(READELF_$(ARCH-y))
STRIP := $(STRIP_$(ARCH-y))
AR := $(AR_$(ARCH-y))
CFLAGS += $(CFLAGS_$(ARCH-y))
LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && \
$(CC) -print-libgcc-file-name)
# Three cases where we don't need fully populated $(obj) lists:
# 1. when no .config exists
# 2. when make config (in any flavour) is run
# 3. when make distclean is run
# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
NOCOMPILE:=1
endif
ifneq ($(MAKECMDGOALS),)
ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
NOCOMPILE:=1
endif
endif
ifeq ($(NOCOMPILE),1)
include $(TOPLEVEL)/Makefile.inc
real-all: config
else
ifneq ($(INNER_SCANBUILD),y)
ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
CC:=clang -m32
HOSTCC:=clang
endif
endif
ifeq ($(CONFIG_CCACHE),y)
CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
ifeq ($(CCACHE),)
$(error ccache selected, but not found in PATH)
endif
CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE)
CC := $(CCACHE) $(CC)
HOSTCC := $(CCACHE) $(HOSTCC)
HOSTCXX := $(CCACHE) $(HOSTCXX)
ROMCC := $(CCACHE) $(ROMCC)
endif
strip_quotes = $(subst ",,$(subst \",,$(1)))
# The primary target needs to be here before we include the
# other files
ifeq ($(INNER_SCANBUILD),y)
CONFIG_SCANBUILD_ENABLE:=
endif
ifeq ($(CONFIG_SCANBUILD_ENABLE),y)
ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),)
CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION)
endif
real-all:
echo '#!/bin/sh' > .ccwrap
echo 'CC="$(CC)"' >> .ccwrap
echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
echo 'eval $$CC $$*' >> .ccwrap
chmod +x .ccwrap
scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
else
real-all: real-target
endif
# must come rather early
.SECONDEXPANSION:
$(obj)/config.h:
$(MAKE) oldconfig
# Add a new class of source/object files to the build system
add-class= \
$(eval $(1)-srcs:=) \
$(eval $(1)-objs:=) \
$(eval classes+=$(1))
# Special classes are managed types with special behaviour
# On parse time, for each entry in variable $(1)-y
# a handler $(1)-handler is executed with the arguments:
# * $(1): directory the parser is in
# * $(2): current entry
add-special-class= \
$(eval $(1):=) \
$(eval special-classes+=$(1))
# Clean -y variables, include Makefile.inc
# Add paths to files in X-y to X-srcs
# Add subdirs-y to subdirs
includemakefiles= \
$(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
$(eval -include $(1)) \
$(foreach class,$(classes-y), $(call add-class,$(class))) \
$(foreach class,$(classes), \
$(eval $(class)-srcs+= \
$$(subst $(top)/,, \
$$(abspath $$(addprefix $(dir $(1)),$$($(class)-y)))))) \
$(foreach special,$(special-classes), \
$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
$(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
# For each path in $(subdirs) call includemakefiles
# Repeat until subdirs is empty
evaluate_subdirs= \
$(eval cursubdirs:=$(subdirs)) \
$(eval subdirs:=) \
$(foreach dir,$(cursubdirs), \
$(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
$(if $(subdirs),$(eval $(call evaluate_subdirs)))
# collect all object files eligible for building
subdirs:=$(TOPLEVEL)
$(eval $(call evaluate_subdirs))
src-to-obj=$(addsuffix .$(1).o, $(basename $(addprefix $(obj)/, $($(1)-srcs))))
$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class))))
allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
alldirs:=$(sort $(abspath $(dir $(allobjs))))
# macro to define template macros that are used by use_template macro
define create_cc_template
# $1 obj class
# $2 source suffix (c, S)
# $3 additional compiler flags
# $4 additional dependencies
ifn$(EMPTY)def $(1)-objs_$(2)_template
de$(EMPTY)fine $(1)-objs_$(2)_template
$(obj)/$$(1).$(1).o: $$(1).$(2) $(obj)/config.h $(4)
@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
en$(EMPTY)def
end$(EMPTY)if
endef
filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
$(foreach class,$(classes), \
$(foreach type,$(call filetypes-of-class,$(class)), \
$(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps)))))
foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
DEPENDENCIES = $(allobjs:.o=.d)
-include $(DEPENDENCIES)
printall:
@$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
@echo alldirs:=$(alldirs)
@echo allsrcs=$(allsrcs)
@echo DEPENDENCIES=$(DEPENDENCIES)
@echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
@$(foreach class,$(special-classes),echo $(class):='$($(class))'; )
endif
$(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(additional-dirs) $(alldirs))
cscope:
cscope -bR
doxy: doxygen
doxygen:
$(DOXYGEN) Doxyfile
doxyclean: doxygen-clean
doxygen-clean:
rm -rf $(DOXYGEN_OUTPUT_DIR)
clean-for-update: doxygen-clean clean-for-update-target
rm -f $(allobjs) .xcompile
rm -f $(DEPENDENCIES)
rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
clean: clean-for-update clean-target
rm -f .ccwrap
clean-cscope:
rm -f cscope.out
distclean: clean-cscope
rm -rf $(obj)
rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
.PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy .xcompile