1# 2# (C) Copyright 2000-2006 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 24TOOLSUBDIRS = 25 26# 27# Mac OS X / Darwin's C preprocessor is Apple specific. It 28# generates numerous errors and warnings. We want to bypass it 29# and use GNU C's cpp. To do this we pass the -traditional-cpp 30# option to the compiler. Note that the -traditional-cpp flag 31# DOES NOT have the same semantics as GNU C's flag, all it does 32# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 33# 34# Apple's linker is similar, thanks to the new 2 stage linking 35# multiple symbol definitions are treated as errors, hence the 36# -multiply_defined suppress option to turn off this error. 37# 38 39HOST_CFLAGS = -Wall 40HOST_LDFLAGS = 41 42ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc) 43HOST_CFLAGS += -traditional-cpp 44HOST_LDFLAGS += -multiply_defined suppress 45else 46HOST_CFLAGS += -pedantic 47endif 48 49ifeq ($(HOSTOS),cygwin) 50HOST_CFLAGS += -ansi 51endif 52 53# 54# toolchains targeting win32 generate .exe files 55# 56ifneq (,$(findstring WIN32 ,$(shell $(HOSTCC) -E -dM -xc /dev/null))) 57SFX = .exe 58else 59SFX = 60endif 61 62# 63# Include this after HOSTOS HOSTARCH check 64# so that we can act intelligently. 65# 66include $(TOPDIR)/config.mk 67 68# Generated executable files 69BIN_FILES-$(CONFIG_CMD_LOADS) += img2srec$(SFX) 70BIN_FILES-y += mkimage$(SFX) 71BIN_FILES-$(CONFIG_ENV_IS_EMBEDDED) += envcrc$(SFX) 72BIN_FILES-$(CONFIG_ENV_IS_IN_FLASH) += envcrc$(SFX) 73BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX) 74BIN_FILES-$(CONFIG_CMD_NET) += gen_eth_addr$(SFX) 75BIN_FILES-$(CONFIG_LCD_LOGO) += bmp_logo$(SFX) 76BIN_FILES-$(CONFIG_VIDEO_LOGO) += bmp_logo$(SFX) 77BIN_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes$(SFX) 78BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) 79 80# Source files which exist outside the tools directory 81EXT_OBJ_FILES-y += common/env_embedded.o 82EXT_OBJ_FILES-y += lib_generic/crc32.o 83EXT_OBJ_FILES-y += lib_generic/md5.o 84EXT_OBJ_FILES-y += lib_generic/sha1.o 85EXT_OBJ_FILES-y += common/image.o 86 87# Source files located in the tools directory 88OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o 89OBJ_FILES-y += mkimage.o 90OBJ_FILES-$(CONFIG_ENV_IS_EMBEDDED) += envcrc.o 91OBJ_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1.o 92OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o 93OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o 94OBJ_FILES-$(CONFIG_VIDEO_LOGO) += bmp_logo.o 95OBJ_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes.o 96OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o 97OBJ_FILES-y += os_support.o 98 99# Don't build by default 100#ifeq ($(ARCH),ppc) 101#BIN_FILES-y += mpc86x_clk$(SFX) 102#OBJ_FILES-y += mpc86x_clk.o 103#endif 104 105# Flattened device tree objects 106LIBFDT_OBJ_FILES-y += fdt.o 107LIBFDT_OBJ_FILES-y += fdt_ro.o 108LIBFDT_OBJ_FILES-y += fdt_rw.o 109LIBFDT_OBJ_FILES-y += fdt_strerror.o 110LIBFDT_OBJ_FILES-y += fdt_wip.o 111 112# Generated LCD/video logo 113LOGO_H = $(OBJTREE)/include/bmp_logo.h 114LOGO-$(CONFIG_LCD_LOGO) += $(LOGO_H) 115LOGO-$(CONFIG_VIDEO_LOGO) += $(LOGO_H) 116 117ifeq ($(LOGO_BMP),) 118LOGO_BMP= logos/denx.bmp 119endif 120ifeq ($(VENDOR),atmel) 121LOGO_BMP= logos/atmel.bmp 122endif 123 124# now $(obj) is defined 125SRCS += $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c)) 126SRCS += $(addprefix $(SRCTREE)/tools/,$(OBJ_FILES-y:.o=.c)) 127SRCS += $(addprefix $(SRCTREE)/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c)) 128BINS := $(addprefix $(obj),$(sort $(BIN_FILES-y))) 129LIBFDT_OBJS := $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y)) 130 131# 132# Use native tools and options 133# Define __KERNEL_STRICT_NAMES to prevent typedef overlaps 134# 135CPPFLAGS = -idirafter $(SRCTREE)/include \ 136 -idirafter $(OBJTREE)/include2 \ 137 -idirafter $(OBJTREE)/include \ 138 -I $(SRCTREE)/libfdt \ 139 -I $(SRCTREE)/tools \ 140 -DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC \ 141 -D__KERNEL_STRICT_NAMES 142CFLAGS = $(HOST_CFLAGS) $(CPPFLAGS) -O 143 144# No -pedantic switch to avoid libfdt compilation warnings 145FIT_CFLAGS = -Wall $(CPPFLAGS) -O 146 147AFLAGS = -D__ASSEMBLY__ $(CPPFLAGS) 148CC = $(HOSTCC) 149STRIP = $(HOSTSTRIP) 150MAKEDEPEND = makedepend 151 152all: $(obj).depend $(BINS) $(LOGO-y) subdirs 153 154$(obj)envcrc$(SFX): $(obj)envcrc.o $(obj)crc32.o $(obj)env_embedded.o $(obj)sha1.o 155 $(CC) $(CFLAGS) -o $@ $^ 156 157$(obj)ubsha1$(SFX): $(obj)ubsha1.o $(obj)sha1.o $(obj)os_support.o 158 $(CC) $(CFLAGS) -o $@ $^ 159 160$(obj)img2srec$(SFX): $(obj)img2srec.o 161 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 162 $(STRIP) $@ 163 164$(obj)mkimage$(SFX): $(obj)mkimage.o $(obj)crc32.o $(obj)image.o $(obj)md5.o \ 165 $(obj)sha1.o $(LIBFDT_OBJS) $(obj)os_support.o 166 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 167 $(STRIP) $@ 168 169$(obj)ncb$(SFX): $(obj)ncb.o 170 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 171 $(STRIP) $@ 172 173$(obj)gen_eth_addr$(SFX): $(obj)gen_eth_addr.o 174 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 175 $(STRIP) $@ 176 177$(obj)bmp_logo$(SFX): $(obj)bmp_logo.o 178 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 179 $(STRIP) $@ 180 181$(obj)inca-swap-bytes$(SFX): $(obj)inca-swap-bytes.o 182 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 183 $(STRIP) $@ 184 185$(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o 186 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 187 $(STRIP) $@ 188 189$(obj)bin2header$(SFX): $(obj)bin2header.o 190 $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^ 191 $(STRIP) $@ 192 193# Some files complain if compiled with -pedantic, use FIT_CFLAGS 194$(obj)image.o: $(SRCTREE)/common/image.c 195 $(CC) -g $(FIT_CFLAGS) -c -o $@ $< 196 197$(obj)mkimage.o: $(SRCTREE)/tools/mkimage.c 198 $(CC) -g $(FIT_CFLAGS) -c -o $@ $< 199 200$(obj)os_support.o: $(SRCTREE)/tools/os_support.c 201 $(CC) -g $(FIT_CFLAGS) -c -o $@ $< 202 203# Some of the tool objects need to be accessed from outside the tools directory 204$(obj)%.o: $(SRCTREE)/common/%.c 205 $(CC) -g $(FIT_CFLAGS) -c -o $@ $< 206 207$(obj)%.o: $(SRCTREE)/lib_generic/%.c 208 $(CC) -g $(CFLAGS) -c -o $@ $< 209 210$(LIBFDT_OBJS): 211 $(CC) -g $(FIT_CFLAGS) -c -o $@ $< 212 213subdirs: 214ifeq ($(TOOLSUBDIRS),) 215 @: 216else 217 @for dir in $(TOOLSUBDIRS) ; do \ 218 $(MAKE) \ 219 HOSTOS=$(HOSTOS) \ 220 HOSTARCH=$(HOSTARCH) \ 221 HOST_CFLAGS="$(HOST_CFLAGS)" \ 222 HOST_LDFLAGS="$(HOST_LDFLAGS)" \ 223 -C $$dir || exit 1 ; \ 224 done 225endif 226 227$(LOGO_H): $(obj)bmp_logo $(LOGO_BMP) 228 $(obj)./bmp_logo $(LOGO_BMP) >$@ 229 230######################################################################### 231 232# defines $(obj).depend target 233include $(SRCTREE)/rules.mk 234 235sinclude $(obj).depend 236 237######################################################################### 238
