Remove the board/netstar/crcit binary from git repository.
[people/ms/u-boot.git] / config.mk
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1#
2# (C) Copyright 2000
3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
5# See file CREDITS for list of people who contributed to this
6# project.
7#
8# This program is free software; you can redistribute it and/or
9# modify it under the terms of the GNU General Public License as
10# published by the Free Software Foundation; either version 2 of
11# the License, or (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21# MA 02111-1307 USA
22#
23
24#########################################################################
25
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26# clean the slate ...
27PLATFORM_RELFLAGS =
28PLATFORM_CPPFLAGS =
29PLATFORM_LDFLAGS =
30
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31#
32# When cross-compiling on NetBSD, we have to define __PPC__ or else we
33# will pick up a va_list declaration that is incompatible with the
34# actual argument lists emitted by the compiler.
35#
36# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
37
38ifeq ($(ARCH),ppc)
39ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
40PLATFORM_CPPFLAGS+= -D__PPC__
41endif
42ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
43PLATFORM_CPPFLAGS+= -D__PPC__
44endif
45endif
46
47ifeq ($(ARCH),arm)
48ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
49PLATFORM_CPPFLAGS+= -D__ARM__
50endif
51ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
52PLATFORM_CPPFLAGS+= -D__ARM__
53endif
54endif
55
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56ifeq ($(ARCH),blackfin)
57PLATFORM_CPPFLAGS+= -D__BLACKFIN__ -mno-underscore
58endif
59
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60ifdef ARCH
61sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
62endif
63ifdef CPU
64sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
65endif
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66ifdef SOC
67sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
68endif
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69ifdef VENDOR
70BOARDDIR = $(VENDOR)/$(BOARD)
71else
72BOARDDIR = $(BOARD)
73endif
74ifdef BOARD
75sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
76endif
77
78#########################################################################
79
80CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
81 else if [ -x /bin/bash ]; then echo /bin/bash; \
82 else echo sh; fi ; fi)
83
84ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
85HOSTCC = cc
86else
87HOSTCC = gcc
88endif
89HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
90HOSTSTRIP = strip
91
92#########################################################################
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93#
94# Option checker (courtesy linux kernel) to ensure
95# only supported compiler options are used
96#
97cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
9b880bd4 98 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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99
100#
101# Include the make variables (CC, etc...)
102#
103AS = $(CROSS_COMPILE)as
104LD = $(CROSS_COMPILE)ld
105CC = $(CROSS_COMPILE)gcc
106CPP = $(CC) -E
107AR = $(CROSS_COMPILE)ar
108NM = $(CROSS_COMPILE)nm
109STRIP = $(CROSS_COMPILE)strip
110OBJCOPY = $(CROSS_COMPILE)objcopy
111OBJDUMP = $(CROSS_COMPILE)objdump
112RANLIB = $(CROSS_COMPILE)RANLIB
113
114RELFLAGS= $(PLATFORM_RELFLAGS)
9acb626f 115DBGFLAGS= -g # -DDEBUG
e2211743 116OPTFLAGS= -Os #-fomit-frame-pointer
6dd652fa 117ifndef LDSCRIPT
4aeb251f 118#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
e2211743 119LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
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120endif
121OBJCFLAGS += --gap-fill=0xff
e2211743 122
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123gccincdir := $(shell $(CC) -print-file-name=include)
124
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125CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
126 -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
127 -I$(TOPDIR)/include \
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128 -fno-builtin -ffreestanding -nostdinc -isystem \
129 $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
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130
131ifdef BUILD_TAG
132CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
133 -DBUILD_TAG='"$(BUILD_TAG)"'
134else
135CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
136endif
137
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138# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
139# this option have to be placed behind -Wall -- that's why it is here
140ifeq ($(ARCH),nios)
141ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
e4cc71aa 142CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
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143endif
144endif
145
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146AFLAGS_DEBUG := -Wa,-gstabs
147
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148# turn jbsr into jsr for m68k
149ifeq ($(ARCH),m68k)
150ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
151AFLAGS_DEBUG := -Wa,-gstabs,-S
152endif
483a0cf8 153endif
b62fa913 154
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155AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
156
7f6c2cbc 157LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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158
159# Location of a usable BFD library, where we define "usable" as
160# "built for ${HOST}, supports ${TARGET}". Sensible values are
161# - When cross-compiling: the root of the cross-environment
162# - Linux/ppc (native): /usr
163# - NetBSD/ppc (native): you lose ... (must extract these from the
164# binutils build directory, plus the native and U-Boot include
165# files don't like each other)
166#
167# So far, this is used only by tools/gdb/Makefile.
168
169ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
170BFD_ROOT_DIR = /usr/local/tools
171else
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172ifeq ($(HOSTARCH),$(ARCH))
173# native
174BFD_ROOT_DIR = /usr
175else
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176#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
177#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
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178BFD_ROOT_DIR = /opt/powerpc
179endif
ea909b76 180endif
e2211743 181
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182ifeq ($(PCI_CLOCK),PCI_66M)
183CFLAGS := $(CFLAGS) -DPCI_66M
184endif
185
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186#########################################################################
187
188export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
189 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
190 MAKE
191export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
192
193#########################################################################
194
195%.s: %.S
196 $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
197%.o: %.S
198 $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
199%.o: %.c
200 $(CC) $(CFLAGS) -c -o $@ $<
201
202#########################################################################