##
-## This file is part of the libpayload project.
+## This file is part of the coreboot 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
## SUCH DAMAGE.
##
-BASE_DIR=$(shell pwd)
-KCONFIG_DIR=util/kconfig
+ifeq ($(INNER_SCANBUILD),y)
+CC_real:=$(CC)
+endif
-ifeq (.config, $(wildcard .config))
-dot-config := 1
-else
-dot-config := 0
-config-targets := 1
+$(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile)))
+include .xcompile
+
+ifeq ($(INNER_SCANBUILD),y)
+CC:=$(CC_real)
+HOSTCC:=$(CC_real) --hostcc
+HOSTCXX:=$(CC_real) --hostcxx
endif
-ifneq ($(filter textconfig oldconfig defconfig menuconfig,$(MAKECMDGOALS)),)
-config-targets := 1
-dot-config := 0
+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)
+LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -print-libgcc-file-name)
-ifeq ($(dot-config),0)
-all: .config
+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
+
+# 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
-.config: oldconfig
- @echo "Configuration completed - type make to build libpayload"
else
--include .config
+
+include $(HAVE_DOTCONFIG)
+
+ifneq ($(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 \",,$(1)))
-PLATFORM-$(CONFIG_TARGET_I386) += i386/Makefile.inc
-TARGETS-y :=
+# The primary target needs to be here before we include the
+# other files
-BUILD-y := crypto/Makefile.inc libc/Makefile.inc drivers/Makefile.inc
-BUILD-$(CONFIG_TINYCURSES) += curses/Makefile.inc
+ifeq ($(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
-include $(PLATFORM-y) $(BUILD-y)
+# must come rather early
+.SECONDEXPANSION:
-INCLUDES := -I./include
-INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
-# TODO: Re-add -Os as soon as we find out why it caused problems.
-CFLAGS := -Wall -Werror -fno-stack-protector -nostdinc $(INCLUDES)
+$(obj)/config.h:
+ $(MAKE) oldconfig
-libpayload.a: $(TARGETS-y)
- $(AR) rc $@ $(TARGETS-y)
+# Add a new class of source/object files to the build system
+add-class= \
+ $(eval $(1)-srcs:=) \
+ $(eval $(1)-objs:=) \
+ $(eval classes+=$(1))
-%.o: %.c
- $(CC) -m32 $(CFLAGS) -c -o $@ $<
+# 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))
-%.o: %.S
- $(AS) --32 -o $@ $<
+# 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)))))
-clean:
- @ rm -f $(TARGETS-y)
- @ rm -f libpayload.a
+# 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)))
-distclean: clean
- @ make -C $(KCONFIG_DIR) clean
- @ rm -f $(KCONFIG_DIR)/lxdialog/lxdialog
- @ rm -f .config .kconfig.d include/autoconf.h
-
-ifeq ($(config-targets),1)
+# collect all object files eligible for building
+subdirs:=$(TOPLEVEL)
+$(eval $(call evaluate_subdirs))
-$(KCONFIG_DIR)/conf:
- make -C $(KCONFIG_DIR) conf
+src-to-obj=$(addsuffix .$(1).o, $(basename $(addprefix $(obj)/, $($(1)-srcs))))
+$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class))))
-$(KCONFIG_DIR)/mconf:
- make -C $(KCONFIG_DIR) mconf
+allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
+allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
+alldirs:=$(sort $(abspath $(dir $(allobjs))))
-$(KCONFIG_DIR)/lxdialog/lxdialog:
- make -C $(KCONFIG_DIR)/lxdialog lxdialog
+# 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
-textconfig: $(KCONFIG_DIR)/conf
- @$(KCONFIG_DIR)/conf $(BASE_DIR)/Config.in
+filetypes-of-class=$(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)))))
-oldconfig: $(KCONFIG_DIR)/conf
- @$(KCONFIG_DIR)/conf -o $(BASE_DIR)/Config.in
+foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
+$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
-defconfig: $(KCONFIG_DIR)/conf
- @$(KCONFIG_DIR)/conf -d $(BASE_DIR)/Config.in
+DEPENDENCIES = $(allobjs:.o=.d)
+-include $(DEPENDENCIES)
-menuconfig: $(KCONFIG_DIR)/lxdialog/lxdialog $(KCONFIG_DIR)/mconf
- @$(KCONFIG_DIR)/mconf $(BASE_DIR)/Config.in
+printall:
+ @$(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
projects / coreboot.git / blobdiff