mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-11 23:33:26 +09:00
6dab6add2d
The env code is protected by the ENV_IS_EMBEDDED define, so attempting to compile the code when this isn't defined is pointless. Now that the env headers have unified around CONFIG_ENV_IS_EMBEDDED, convert the build system to only build the env objects when this is enabled. And now that the env code is conditionally compiled, we can drop the source code checks. For people who want to extract the environment manually, add a new option CONFIG_BUILD_ENVCRC that only enables the envcrc utility. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
262 lines
7.2 KiB
Makefile
262 lines
7.2 KiB
Makefile
#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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TOOLSUBDIRS =
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#
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# Mac OS X / Darwin's C preprocessor is Apple specific. It
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# generates numerous errors and warnings. We want to bypass it
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# and use GNU C's cpp. To do this we pass the -traditional-cpp
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# option to the compiler. Note that the -traditional-cpp flag
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# DOES NOT have the same semantics as GNU C's flag, all it does
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# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
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#
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# Apple's linker is similar, thanks to the new 2 stage linking
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# multiple symbol definitions are treated as errors, hence the
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# -multiply_defined suppress option to turn off this error.
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#
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HOSTCFLAGS = -Wall
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HOST_LDFLAGS =
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ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
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HOSTCFLAGS += -traditional-cpp
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HOST_LDFLAGS += -multiply_defined suppress
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else
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HOSTCFLAGS += -pedantic
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endif
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ifeq ($(HOSTOS),cygwin)
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HOSTCFLAGS += -ansi
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endif
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#
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# toolchains targeting win32 generate .exe files
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#
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ifneq (,$(findstring WIN32 ,$(shell $(HOSTCC) -E -dM -xc /dev/null)))
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SFX = .exe
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else
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SFX =
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endif
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#
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# Include this after HOSTOS HOSTARCH check
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# so that we can act intelligently.
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#
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include $(TOPDIR)/config.mk
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# Generated executable files
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BIN_FILES-$(CONFIG_LCD_LOGO) += bmp_logo$(SFX)
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BIN_FILES-$(CONFIG_VIDEO_LOGO) += bmp_logo$(SFX)
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BIN_FILES-$(CONFIG_ENV_IS_EMBEDDED) += envcrc$(SFX)
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BIN_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc$(SFX)
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BIN_FILES-$(CONFIG_CMD_NET) += gen_eth_addr$(SFX)
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BIN_FILES-$(CONFIG_CMD_LOADS) += img2srec$(SFX)
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BIN_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes$(SFX)
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BIN_FILES-y += mkimage$(SFX)
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BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX)
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BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)
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# Source files which exist outside the tools directory
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EXT_OBJ_FILES-y += common/env_embedded.o
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EXT_OBJ_FILES-y += common/image.o
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EXT_OBJ_FILES-y += lib_generic/crc32.o
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EXT_OBJ_FILES-y += lib_generic/md5.o
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EXT_OBJ_FILES-y += lib_generic/sha1.o
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# Source files located in the tools directory
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OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o
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OBJ_FILES-$(CONFIG_VIDEO_LOGO) += bmp_logo.o
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OBJ_FILES-y += default_image.o
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OBJ_FILES-$(CONFIG_ENV_IS_EMBEDDED) += envcrc.o
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OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o
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OBJ_FILES-y += fit_image.o
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OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o
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OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o
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OBJ_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes.o
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OBJ_FILES-y += kwbimage.o
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OBJ_FILES-y += mkimage.o
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OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o
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OBJ_FILES-y += os_support.o
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OBJ_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1.o
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# Don't build by default
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#ifeq ($(ARCH),ppc)
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#BIN_FILES-y += mpc86x_clk$(SFX)
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#OBJ_FILES-y += mpc86x_clk.o
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#endif
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# Flattened device tree objects
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LIBFDT_OBJ_FILES-y += fdt.o
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LIBFDT_OBJ_FILES-y += fdt_ro.o
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LIBFDT_OBJ_FILES-y += fdt_rw.o
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LIBFDT_OBJ_FILES-y += fdt_strerror.o
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LIBFDT_OBJ_FILES-y += fdt_wip.o
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# Generated LCD/video logo
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LOGO_H = $(OBJTREE)/include/bmp_logo.h
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LOGO-$(CONFIG_LCD_LOGO) += $(LOGO_H)
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LOGO-$(CONFIG_VIDEO_LOGO) += $(LOGO_H)
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ifeq ($(LOGO_BMP),)
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LOGO_BMP= logos/denx.bmp
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endif
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ifeq ($(VENDOR),atmel)
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LOGO_BMP= logos/atmel.bmp
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endif
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ifeq ($(VENDOR),ronetix)
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LOGO_BMP= logos/ronetix.bmp
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endif
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# now $(obj) is defined
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SRCS += $(addprefix $(SRCTREE)/,$(EXT_OBJ_FILES-y:.o=.c))
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SRCS += $(addprefix $(SRCTREE)/tools/,$(OBJ_FILES-y:.o=.c))
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SRCS += $(addprefix $(SRCTREE)/libfdt/,$(LIBFDT_OBJ_FILES-y:.o=.c))
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BINS := $(addprefix $(obj),$(sort $(BIN_FILES-y)))
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LIBFDT_OBJS := $(addprefix $(obj),$(LIBFDT_OBJ_FILES-y))
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#
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# Use native tools and options
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# Define __KERNEL_STRICT_NAMES to prevent typedef overlaps
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#
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CPPFLAGS = -idirafter $(SRCTREE)/include \
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-idirafter $(OBJTREE)/include2 \
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-idirafter $(OBJTREE)/include \
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-I $(SRCTREE)/libfdt \
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-I $(SRCTREE)/tools \
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-DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC \
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-D__KERNEL_STRICT_NAMES
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CFLAGS = $(HOSTCFLAGS) $(CPPFLAGS) -O
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# No -pedantic switch to avoid libfdt compilation warnings
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FIT_CFLAGS = -Wall $(CPPFLAGS) -O
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AFLAGS = -D__ASSEMBLY__ $(CPPFLAGS)
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CC = $(HOSTCC)
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STRIP = $(HOSTSTRIP)
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MAKEDEPEND = makedepend
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all: $(obj).depend $(BINS) $(LOGO-y) subdirs
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$(obj)bin2header$(SFX): $(obj)bin2header.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)bmp_logo$(SFX): $(obj)bmp_logo.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)envcrc$(SFX): $(obj)crc32.o $(obj)env_embedded.o $(obj)envcrc.o $(obj)sha1.o
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$(CC) $(CFLAGS) -o $@ $^
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$(obj)gen_eth_addr$(SFX): $(obj)gen_eth_addr.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)img2srec$(SFX): $(obj)img2srec.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)inca-swap-bytes$(SFX): $(obj)inca-swap-bytes.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)mkimage$(SFX): $(obj)crc32.o \
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$(obj)default_image.o \
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$(obj)fit_image.o \
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$(obj)image.o \
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$(obj)kwbimage.o \
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$(obj)md5.o \
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$(obj)mkimage.o \
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$(obj)os_support.o \
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$(obj)sha1.o \
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$(LIBFDT_OBJS)
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)ncb$(SFX): $(obj)ncb.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)ubsha1$(SFX): $(obj)os_support.o $(obj)sha1.o $(obj)ubsha1.o
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$(CC) $(CFLAGS) -o $@ $^
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# Some files complain if compiled with -pedantic, use FIT_CFLAGS
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$(obj)default_image.o: $(SRCTREE)/tools/default_image.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)fit_image.o: $(SRCTREE)/tools/fit_image.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)image.o: $(SRCTREE)/common/image.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)kwbimage.o: $(SRCTREE)/tools/kwbimage.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)mkimage.o: $(SRCTREE)/tools/mkimage.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)os_support.o: $(SRCTREE)/tools/os_support.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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# Some of the tool objects need to be accessed from outside the tools directory
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$(obj)%.o: $(SRCTREE)/common/%.c
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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$(obj)%.o: $(SRCTREE)/lib_generic/%.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(LIBFDT_OBJS):
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$(CC) -g $(FIT_CFLAGS) -c -o $@ $<
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subdirs:
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ifeq ($(TOOLSUBDIRS),)
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@:
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else
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@for dir in $(TOOLSUBDIRS) ; do \
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$(MAKE) \
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HOSTOS=$(HOSTOS) \
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HOSTARCH=$(HOSTARCH) \
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HOSTCFLAGS="$(HOSTCFLAGS)" \
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HOST_LDFLAGS="$(HOST_LDFLAGS)" \
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-C $$dir || exit 1 ; \
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done
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endif
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$(LOGO_H): $(obj)bmp_logo $(LOGO_BMP)
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$(obj)./bmp_logo $(LOGO_BMP) >$@
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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