| ## |
| ## 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_LP_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_LP_ARCH_ARMV7) := armv7 |
| ARCHDIR-$(CONFIG_LP_ARCH_X86) := x86 |
| |
| ARCH-y := $(ARCHDIR-y) |
| |
| # If architecture folder name is different from GCC binutils architecture name, |
| # override here. |
| ARCH-$(CONFIG_LP_ARCH_ARMV7) := armv7 |
| ARCH-$(CONFIG_LP_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 ($(CONFIG_LP_COMPILER_LLVM_CLANG),y) |
| CC:=clang -m32 |
| HOSTCC:=clang |
| endif |
| endif |
| |
| ifeq ($(CONFIG_LP_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_LP_SCANBUILD_ENABLE:= |
| endif |
| |
| ifeq ($(CONFIG_LP_SCANBUILD_ENABLE),y) |
| ifneq ($(CONFIG_LP_SCANBUILD_REPORT_LOCATION),) |
| CONFIG_LP_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) |
| endif |
| real-all: |
| echo '#!/bin/sh' > .ccwrap |
| echo 'CC="$(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 $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(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)/libpayload-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 |