config.mk - u-boot - Git at Google


            
            #

            
            # (C) Copyright 2000

            
            # Wolfgang Denk, DENX Software Engineering, wd@denx.de.

            
            #

            
            # See file CREDITS for list of people who contributed to this

            
            # project.

            
            #

            
            # This program is free software; you can redistribute it and/or

            
            # modify it under the terms of the GNU General Public License as

            
            # published by the Free Software Foundation; either version 2 of

            
            # the License, or (at your option) any later version.

            
            #

            
            # This program is distributed in the hope that it will be useful,

            
            # but WITHOUT ANY WARRANTY; without even the implied warranty of

            
            # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

            
            # GNU General Public License for more details.

            
            #

            
            # You should have received a copy of the GNU General Public License

            
            # along with this program; if not, write to the Free Software

            
            # Foundation, Inc., 59 Temple Place, Suite 330, Boston,

            
            # MA 02111-1307 USA

            
            #


            #########################################################################


            # clean the slate ...

            
            PLATFORM_RELFLAGS =

            
            PLATFORM_CPPFLAGS =

            
            PLATFORM_LDFLAGS =


            #

            
            # When cross-compiling on NetBSD, we have to define __PPC__ or else we

            
            # will pick up a va_list declaration that is incompatible with the

            
            # actual argument lists emitted by the compiler.

            
            #

            
            # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]


            ifeq ($(ARCH),ppc)

            
            ifeq ($(CROSS_COMPILE),powerpc-netbsd-)

            
            PLATFORM_CPPFLAGS+= -D__PPC__

            
            endif

            
            ifeq ($(CROSS_COMPILE),powerpc-openbsd-)

            
            PLATFORM_CPPFLAGS+= -D__PPC__

            
            endif

            
            endif


            ifeq ($(ARCH),arm)

            
            ifeq ($(CROSS_COMPILE),powerpc-netbsd-)

            
            PLATFORM_CPPFLAGS+= -D__ARM__

            
            endif

            
            ifeq ($(CROSS_COMPILE),powerpc-openbsd-)

            
            PLATFORM_CPPFLAGS+= -D__ARM__

            
            endif

            
            endif


            ifdef	ARCH

            
            sinclude $(TOPDIR)/$(ARCH)_config.mk	# include architecture dependend rules

            
            endif

            
            ifdef	CPU

            
            sinclude $(TOPDIR)/cpu/$(CPU)/config.mk	# include  CPU	specific rules

            
            endif

            
            ifdef	SOC

            
            sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk	# include  SoC	specific rules

            
            endif

            
            ifdef	VENDOR

            
            BOARDDIR = $(VENDOR)/$(BOARD)

            
            else

            
            BOARDDIR = $(BOARD)

            
            endif

            
            ifdef	BOARD

            
            sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk	# include board specific rules

            
            endif


            #########################################################################


            CONFIG_SHELL	:= $(shell if [ -x "$$BASH" ]; then echo $$BASH; \

            
            		    else if [ -x /bin/bash ]; then echo /bin/bash; \

            
            		    else echo sh; fi ; fi)


            ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)

            
            HOSTCC		= cc

            
            else

            
            HOSTCC		= gcc

            
            endif

            
            HOSTCFLAGS	= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer

            
            HOSTSTRIP	= strip


            #########################################################################

            
            #

            
            # Option checker (courtesy linux kernel) to ensure

            
            # only supported compiler options are used

            
            #

            
            cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \

            
            		> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)


            #

            
            # Include the make variables (CC, etc...)

            
            #

            
            AS	= $(CROSS_COMPILE)as

            
            LD	= $(CROSS_COMPILE)ld

            
            CC	= $(CROSS_COMPILE)gcc

            
            CPP	= $(CC) -E

            
            AR	= $(CROSS_COMPILE)ar

            
            NM	= $(CROSS_COMPILE)nm

            
            STRIP	= $(CROSS_COMPILE)strip

            
            OBJCOPY = $(CROSS_COMPILE)objcopy

            
            OBJDUMP = $(CROSS_COMPILE)objdump

            
            RANLIB	= $(CROSS_COMPILE)RANLIB


            RELFLAGS= $(PLATFORM_RELFLAGS)

            
            DBGFLAGS= -g #-DDEBUG

            
            OPTFLAGS= -Os #-fomit-frame-pointer

            
            ifndef LDSCRIPT

            
            #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug

            
            LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds

            
            endif

            
            OBJCFLAGS += --gap-fill=0xff


            gccincdir := $(shell $(CC) -print-file-name=include)


            CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)		\

            
            	-D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE)		\

            
            	-I$(TOPDIR)/include				\

            
            	-fno-builtin -ffreestanding -nostdinc -isystem	\

            
            	$(gccincdir) -pipe $(PLATFORM_CPPFLAGS)


            ifdef BUILD_TAG

            
            CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \

            
            	-DBUILD_TAG='"$(BUILD_TAG)"'

            
            else

            
            CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes

            
            endif


            # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)

            
            # this option have to be placed behind -Wall -- that's why it is here

            
            ifeq ($(ARCH),nios)

            
            ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)

            
            CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs

            
            endif

            
            endif


            AFLAGS_DEBUG := -Wa,-gstabs

            
            AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)


            LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)


            # Location of a usable BFD library, where we define "usable" as

            
            # "built for ${HOST}, supports ${TARGET}".  Sensible values are

            
            # - When cross-compiling: the root of the cross-environment

            
            # - Linux/ppc (native): /usr

            
            # - NetBSD/ppc (native): you lose ... (must extract these from the

            
            #   binutils build directory, plus the native and U-Boot include

            
            #   files don't like each other)

            
            #

            
            # So far, this is used only by tools/gdb/Makefile.


            ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)

            
            BFD_ROOT_DIR =		/usr/local/tools

            
            else

            
            ifeq ($(HOSTARCH),$(ARCH))

            
            # native

            
            BFD_ROOT_DIR =		/usr

            
            else

            
            #BFD_ROOT_DIR =		/LinuxPPC/CDK		# Linux/i386

            
            #BFD_ROOT_DIR =		/usr/pkg/cross		# NetBSD/i386

            
            BFD_ROOT_DIR =		/opt/powerpc

            
            endif

            
            endif


            ifeq ($(PCI_CLOCK),PCI_66M)

            
            CFLAGS := $(CFLAGS) -DPCI_66M

            
            endif


            #########################################################################


            export	CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \

            
            	AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \

            
            	MAKE

            
            export	TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS


            #########################################################################


            %.s:	%.S

            
            	$(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<

            
            %.o:	%.S

            
            	$(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<

            
            %.o:	%.c

            
            	$(CC) $(CFLAGS) -c -o $@ $<


            #########################################################################
	#
	# (C) Copyright 2000
	# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	#
	# See file CREDITS for list of people who contributed to this
	# project.
	#
	# This program is free software; you can redistribute it and/or
	# modify it under the terms of the GNU General Public License as
	# published by the Free Software Foundation; either version 2 of
	# the License, or (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, write to the Free Software
	# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	# MA 02111-1307 USA
	#

	#########################################################################

	# clean the slate ...
	PLATFORM_RELFLAGS =
	PLATFORM_CPPFLAGS =
	PLATFORM_LDFLAGS =

	#
	# When cross-compiling on NetBSD, we have to define __PPC__ or else we
	# will pick up a va_list declaration that is incompatible with the
	# actual argument lists emitted by the compiler.
	#
	# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]

	ifeq ($(ARCH),ppc)
	ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
	PLATFORM_CPPFLAGS+= -D__PPC__
	endif
	ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
	PLATFORM_CPPFLAGS+= -D__PPC__
	endif
	endif

	ifeq ($(ARCH),arm)
	ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
	PLATFORM_CPPFLAGS+= -D__ARM__
	endif
	ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
	PLATFORM_CPPFLAGS+= -D__ARM__
	endif
	endif

	ifdef ARCH
	sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
	endif
	ifdef CPU
	sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
	endif
	ifdef SOC
	sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
	endif
	ifdef VENDOR
	BOARDDIR = $(VENDOR)/$(BOARD)
	else
	BOARDDIR = $(BOARD)
	endif
	ifdef BOARD
	sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
	endif

	#########################################################################

	CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	else if [ -x /bin/bash ]; then echo /bin/bash; \
	else echo sh; fi ; fi)

	ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
	HOSTCC = cc
	else
	HOSTCC = gcc
	endif
	HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
	HOSTSTRIP = strip

	#########################################################################
	#
	# Option checker (courtesy linux kernel) to ensure
	# only supported compiler options are used
	#
	cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)

	#
	# Include the make variables (CC, etc...)
	#
	AS = $(CROSS_COMPILE)as
	LD = $(CROSS_COMPILE)ld
	CC = $(CROSS_COMPILE)gcc
	CPP = $(CC) -E
	AR = $(CROSS_COMPILE)ar
	NM = $(CROSS_COMPILE)nm
	STRIP = $(CROSS_COMPILE)strip
	OBJCOPY = $(CROSS_COMPILE)objcopy
	OBJDUMP = $(CROSS_COMPILE)objdump
	RANLIB = $(CROSS_COMPILE)RANLIB

	RELFLAGS= $(PLATFORM_RELFLAGS)
	DBGFLAGS= -g #-DDEBUG
	OPTFLAGS= -Os #-fomit-frame-pointer
	ifndef LDSCRIPT
	#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
	endif
	OBJCFLAGS += --gap-fill=0xff

	gccincdir := $(shell $(CC) -print-file-name=include)

	CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
	-D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
	-I$(TOPDIR)/include \
	-fno-builtin -ffreestanding -nostdinc -isystem \
	$(gccincdir) -pipe $(PLATFORM_CPPFLAGS)

	ifdef BUILD_TAG
	CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
	-DBUILD_TAG='"$(BUILD_TAG)"'
	else
	CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
	endif

	# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
	# this option have to be placed behind -Wall -- that's why it is here
	ifeq ($(ARCH),nios)
	ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
	CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
	endif
	endif

	AFLAGS_DEBUG := -Wa,-gstabs
	AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)

	LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)

	# Location of a usable BFD library, where we define "usable" as
	# "built for ${HOST}, supports ${TARGET}". Sensible values are
	# - When cross-compiling: the root of the cross-environment
	# - Linux/ppc (native): /usr
	# - NetBSD/ppc (native): you lose ... (must extract these from the
	# binutils build directory, plus the native and U-Boot include
	# files don't like each other)
	#
	# So far, this is used only by tools/gdb/Makefile.

	ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
	BFD_ROOT_DIR = /usr/local/tools
	else
	ifeq ($(HOSTARCH),$(ARCH))
	# native
	BFD_ROOT_DIR = /usr
	else
	#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
	#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
	BFD_ROOT_DIR = /opt/powerpc
	endif
	endif

	ifeq ($(PCI_CLOCK),PCI_66M)
	CFLAGS := $(CFLAGS) -DPCI_66M
	endif

	#########################################################################

	export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
	AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
	MAKE
	export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS

	#########################################################################

	%.s: %.S
	$(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
	%.o: %.S
	$(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
	%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<

	#########################################################################