3d91b47b42
Mock architecture can be used to build libpayload using host compiler. It can be enabled by setting ARCH_MOCK=y in the dotconfig. It sets LITTLE_ENDIAN=y, as most machines these days use little-endian CPUs. Libpayload will use HOSTCC as CC, HOSTLD as LD, etc. instead of tools provided by xcompile. Mock architecture configuration can be used by payloads for testing purposes. Thanks to it, tests can be architecture-independent, and can be executed without requiring compatible Kconfig options, e.g. ARCH_ARM64=y for ARM64 machine. However, one has to provide implementation for most architecture-specific functions present in arch/* directories. Signed-off-by: Jakub Czapiga <jacz@semihalf.com> Change-Id: Ie3a6e6f6cad2f8a2e48a8e546d3b79c577653080 Reviewed-on: https://review.coreboot.org/c/coreboot/+/57708 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
360 lines
11 KiB
Makefile
360 lines
11 KiB
Makefile
##
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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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export top := $(CURDIR)
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export src := src
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export srck := $(abspath $(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 KBUILD_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$(objk)
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HOSTAS ?= as
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HOSTLD ?= ld
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HOSTNM ?= nm
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HOSTOBJCOPY ?= objcopy
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HOSTOBJDUMP ?= objdump
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HOSTREADELF ?= readelf
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HOSTSTRIP ?= strip
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HOSTAR ?= ar
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DOXYGEN := doxygen
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DOXYGEN_OUTPUT_DIR := doxygen
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all: real-all
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ifeq ($(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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# This include must come _before_ the pattern rules below!
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# Order _does_ matter for pattern rules.
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include $(srck)/Makefile.inc
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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_X86) := x86
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ARCHDIR-$(CONFIG_LP_ARCH_MOCK) := mock
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ARCH-y := $(ARCHDIR-y)
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# If architecture folder name is different from xcompile architecture name,
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# override here.
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ARCH-$(CONFIG_LP_ARCH_ARM) := arm
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ARCH-$(CONFIG_LP_ARCH_ARM64) := arm64
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ARCH-$(CONFIG_LP_ARCH_X86) := x86_32
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ARCH-$(CONFIG_LP_ARCH_MOCK) := mock
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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 ($(filter %config %clean,$(MAKECMDGOALS)),)
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NOCOMPILE:=1
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endif
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endif
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xcompile ?= $(obj)/xcompile
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$(xcompile): $(top)/../../util/xcompile/xcompile
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$< $(XGCCPATH) > $@.tmp
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\mv -f $@.tmp $@ 2> /dev/null
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ifeq ($(NOCOMPILE),1)
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include $(TOPLEVEL)/Makefile.inc
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real-all: config
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else
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ifeq ($(CONFIG_LP_ARCH_MOCK),y)
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# Create empty xcompile to satisfy install script
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$(shell echo '' > $(xcompile))
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CC := $(HOSTCC)
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CC-mock := $(HOSTCC)
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AS := $(HOSTAS)
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AS-mock := $(HOSTAS)
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LD := $(HOSTLD)
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LD-mock := $(HOSTLD)
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NM := $(HOSTNM)
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NM-mock := $(HOSTNM)
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OBJCOPY := $(HOSTOBJCOPY)
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OBJCOPY-mock := $(HOSTOBJCOPY)
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OBJDUMP := $(HOSTOBJDUMP)
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OBJDUMP-mock := $(HOSTOBJDUMP)
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READELF := $(HOSTREADELF)
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READELF-mock := $(HOSTEADELF)
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STRIP := $(HOSTSTRIP)
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STRIP-mock := $(HOSTSTRIP)
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AR := $(HOSTAR)
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AR-mock := $(HOSTAR)
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else
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# in addition to the dependency below, create the file if it doesn't exist
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# to silence stupid warnings about a file that would be generated anyway.
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$(if $(wildcard $(xcompile)),,$(shell \
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mkdir -p $(dir $(xcompile)) && \
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$(top)/../../util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile)))
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include $(xcompile)
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ifneq ($(XCOMPILE_COMPLETE),1)
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$(shell rm -f $(xcompile))
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$(error $(xcompile) deleted because it's invalid. \
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Restarting the build should fix that, or explain the problem)
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endif
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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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endif
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CFLAGS += -std=gnu11 $(CFLAGS_$(ARCH-y))
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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
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ifneq ($(CONFIG_LP_ARCH_MOCK),y)
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CC += -m32
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endif
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HOSTCC:=clang
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endif
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endif
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ifeq ($(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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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 $(MAKE) INNER_SCANBUILD=y
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else
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real-all: real-target
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endif
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# must come rather early
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.SECONDEXPANSION:
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$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
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$(MAKE) CONFIG_=CONFIG_LP_ olddefconfig
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$(MAKE) CONFIG_=CONFIG_LP_ syncconfig
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# Add a new class of source/object files to the build system
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add-class= \
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$(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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$(foreach special,$(special-classes), \
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$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
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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 $$(addprefix $(dir $(1)),$$($(class)-y)))))) \
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$(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 $$$$(subst $$$$(obj)/,,$$$$(@))\n"
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$(CC) $(3) -MMD $$$$(CFLAGS) $(EXTRA_CFLAGS) -c -o $$$$@ $$$$<
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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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@$(foreach class,$(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 junit_config junit_config.old
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rm -rf $(obj)
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clean-cscope:
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rm -f cscope.out
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distclean: clean-cscope clean
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rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile junit.xml
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.PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy
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