313 lines
9.5 KiB
Makefile
313 lines
9.5 KiB
Makefile
##
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## This file is part of the libpayload project.
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##
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## Copyright (C) 2008 Advanced Micro Devices, Inc.
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## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
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## Copyright (C) 2009-2010 coresystems GmbH
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## Copyright (C) 2011 secunet Security Networks AG
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions
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## are met:
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## 1. Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## 2. Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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## 3. The name of the author may not be used to endorse or promote products
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## derived from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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## SUCH DAMAGE.
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##
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ifeq ($(INNER_SCANBUILD),y)
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CC_real:=$(CC)
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endif
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$(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile)))
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include .xcompile
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ifeq ($(INNER_SCANBUILD),y)
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CC:=$(CC_real)
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HOSTCC:=$(CC_real) --hostcc
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HOSTCXX:=$(CC_real) --hostcxx
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endif
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export top := $(CURDIR)
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export src := src
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export srck := $(top)/../../util/kconfig
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export obj ?= build
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export objutil ?= $(obj)/util
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export objk := $(objutil)/lp_kconfig
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export KCONFIG_AUTOHEADER := $(obj)/config.h
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export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
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export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
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export KCONFIG_SPLITCONFIG := $(obj)/config
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export KCONFIG_TRISTATE := $(obj)/tristate.conf
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export KCONFIG_NEGATIVES := 1
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export Kconfig := Kconfig
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export CONFIG_ := CONFIG_LP_
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# directory containing the toplevel Makefile.inc
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TOPLEVEL := .
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CONFIG_LP_SHELL := sh
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KBUILD_DEFCONFIG := configs/defconfig
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UNAME_RELEASE := $(shell uname -r)
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DOTCONFIG ?= .config
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KCONFIG_CONFIG = $(DOTCONFIG)
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export KCONFIG_CONFIG
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HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
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MAKEFLAGS += -rR --no-print-directory
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# Make is silent per default, but 'make V=1' will show all compiler calls.
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Q:=@
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ifneq ($(V),1)
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ifneq ($(Q),)
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.SILENT:
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endif
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endif
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CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
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HOSTCC = gcc
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HOSTCXX = g++
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HOSTCFLAGS := -I$(srck) -I$(objk) -g
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HOSTCXXFLAGS := -I$(srck) -I$(objk)
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DOXYGEN := doxygen
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DOXYGEN_OUTPUT_DIR := doxygen
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all: real-all
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# This include must come _before_ the pattern rules below!
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# Order _does_ matter for pattern rules.
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include ../../util/kconfig/Makefile
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include $(HAVE_DOTCONFIG)
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ARCHDIR-$(CONFIG_LP_ARCH_ARM) := arm
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ARCHDIR-$(CONFIG_LP_ARCH_ARM64) := arm64
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ARCHDIR-$(CONFIG_LP_ARCH_MIPS) := mips
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ARCHDIR-$(CONFIG_LP_ARCH_X86) := x86
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ARCH-y := $(ARCHDIR-y)
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# If architecture folder name is different from GCC binutils architecture name,
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# override here.
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ARCH-$(CONFIG_LP_ARCH_ARM) := arm
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ARCH-$(CONFIG_LP_ARCH_ARM64) := arm64
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ARCH-$(CONFIG_LP_ARCH_X86) := i386
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ARCH-$(CONFIG_LP_ARCH_MIPS) := mipsel
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CC := $(CC_$(ARCH-y))
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AS := $(AS_$(ARCH-y))
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LD := $(LD_$(ARCH-y))
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NM := $(NM_$(ARCH-y))
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OBJCOPY := $(OBJCOPY_$(ARCH-y))
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OBJDUMP := $(OBJDUMP_$(ARCH-y))
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READELF := $(READELF_$(ARCH-y))
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STRIP := $(STRIP_$(ARCH-y))
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AR := $(AR_$(ARCH-y))
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CFLAGS += $(CFLAGS_$(ARCH-y))
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LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && \
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$(CC) -print-libgcc-file-name)
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# Three cases where we don't need fully populated $(obj) lists:
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# 1. when no .config exists
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# 2. when make config (in any flavour) is run
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# 3. when make distclean is run
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# Don't waste time on reading all Makefile.incs in these cases
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ifeq ($(strip $(HAVE_DOTCONFIG)),)
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NOCOMPILE:=1
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endif
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ifneq ($(MAKECMDGOALS),)
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ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
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NOCOMPILE:=1
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endif
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endif
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ifeq ($(NOCOMPILE),1)
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include $(TOPLEVEL)/Makefile.inc
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real-all: config
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else
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ifneq ($(INNER_SCANBUILD),y)
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ifeq ($(CONFIG_LP_COMPILER_LLVM_CLANG),y)
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CC:=clang -m32
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HOSTCC:=clang
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endif
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endif
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ifeq ($(CONFIG_LP_CCACHE),y)
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CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
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ifeq ($(CCACHE),)
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$(error ccache selected, but not found in PATH)
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endif
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CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE)
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CC := $(CCACHE) $(CC)
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HOSTCC := $(CCACHE) $(HOSTCC)
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HOSTCXX := $(CCACHE) $(HOSTCXX)
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ROMCC := $(CCACHE) $(ROMCC)
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endif
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strip_quotes = $(subst ",,$(subst \",,$(1)))
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# The primary target needs to be here before we include the
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# other files
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ifeq ($(INNER_SCANBUILD),y)
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CONFIG_LP_SCANBUILD_ENABLE:=
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endif
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ifeq ($(CONFIG_LP_SCANBUILD_ENABLE),y)
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ifneq ($(CONFIG_LP_SCANBUILD_REPORT_LOCATION),)
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CONFIG_LP_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_LP_SCANBUILD_REPORT_LOCATION)
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endif
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real-all:
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echo '#!/bin/sh' > .ccwrap
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echo 'CC="$(CC)"' >> .ccwrap
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echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
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echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
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echo 'eval $$CC $$*' >> .ccwrap
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chmod +x .ccwrap
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scan-build $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
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else
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real-all: real-target
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endif
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# must come rather early
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.SECONDEXPANSION:
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$(obj)/config.h:
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$(MAKE) oldconfig
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# Add a new class of source/object files to the build system
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add-class= \
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$(eval $(1)-srcs:=) \
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$(eval $(1)-objs:=) \
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$(eval classes+=$(1))
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# Special classes are managed types with special behaviour
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# On parse time, for each entry in variable $(1)-y
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# a handler $(1)-handler is executed with the arguments:
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# * $(1): directory the parser is in
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# * $(2): current entry
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add-special-class= \
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$(eval $(1):=) \
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$(eval special-classes+=$(1))
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# Clean -y variables, include Makefile.inc
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# Add paths to files in X-y to X-srcs
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# Add subdirs-y to subdirs
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includemakefiles= \
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$(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
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$(eval -include $(1)) \
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$(foreach class,$(classes-y), $(call add-class,$(class))) \
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$(foreach class,$(classes), \
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$(eval $(class)-srcs+= \
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$$(subst $(top)/,, \
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$$(abspath $$(addprefix $(dir $(1)),$$($(class)-y)))))) \
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$(foreach special,$(special-classes), \
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$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
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$(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
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# For each path in $(subdirs) call includemakefiles
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# Repeat until subdirs is empty
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evaluate_subdirs= \
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$(eval cursubdirs:=$(subdirs)) \
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$(eval subdirs:=) \
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$(foreach dir,$(cursubdirs), \
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$(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
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$(if $(subdirs),$(eval $(call evaluate_subdirs)))
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# collect all object files eligible for building
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subdirs:=$(TOPLEVEL)
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$(eval $(call evaluate_subdirs))
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src-to-obj=$(addsuffix .$(1).o, $(basename $(addprefix $(obj)/, $($(1)-srcs))))
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$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class))))
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allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
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allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
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alldirs:=$(sort $(abspath $(dir $(allobjs))))
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# macro to define template macros that are used by use_template macro
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define create_cc_template
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# $1 obj class
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# $2 source suffix (c, S)
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# $3 additional compiler flags
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# $4 additional dependencies
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ifn$(EMPTY)def $(1)-objs_$(2)_template
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de$(EMPTY)fine $(1)-objs_$(2)_template
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$(obj)/$$(1).$(1).o: $$(1).$(2) $(obj)/libpayload-config.h $(4)
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@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
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$(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
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en$(EMPTY)def
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end$(EMPTY)if
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endef
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filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
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$(foreach class,$(classes), \
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$(foreach type,$(call filetypes-of-class,$(class)), \
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$(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps)))))
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foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
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$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
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DEPENDENCIES = $(allobjs:.o=.d)
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-include $(DEPENDENCIES)
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printall:
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@$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
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@echo alldirs:=$(alldirs)
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@echo allsrcs=$(allsrcs)
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@echo DEPENDENCIES=$(DEPENDENCIES)
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@echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
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@$(foreach class,$(special-classes),echo $(class):='$($(class))'; )
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endif
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$(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(obj) $(objk)/lxdialog $(additional-dirs) $(alldirs))
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cscope:
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cscope -bR
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doxy: doxygen
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doxygen:
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$(DOXYGEN) Doxyfile
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doxyclean: doxygen-clean
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doxygen-clean:
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rm -rf $(DOXYGEN_OUTPUT_DIR)
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clean-for-update: doxygen-clean clean-for-update-target
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rm -f $(allobjs) .xcompile
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rm -f $(DEPENDENCIES)
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rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
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clean: clean-for-update clean-target
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rm -f .ccwrap
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clean-cscope:
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rm -f cscope.out
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distclean: clean-cscope
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rm -rf $(obj)
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rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
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.PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy .xcompile
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