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wdenke2211742002-11-02 23:30:20 +00001#
Marian Balakowiczf9328632006-09-01 19:49:50 +02002# (C) Copyright 2000-2006
wdenke2211742002-11-02 23:30:20 +00003# 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
Wolfgang Denk844f07d2010-11-27 23:30:56 +010015# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wdenke2211742002-11-02 23:30:20 +000016# 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
Benoît Thébaudeau120ae602013-04-11 09:35:54 +000026# Set shell to bash if possible, otherwise fall back to sh
27SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
28 else if [ -x /bin/bash ]; then echo /bin/bash; \
29 else echo sh; fi; fi)
30
31export SHELL
32
Marian Balakowiczf9328632006-09-01 19:49:50 +020033ifeq ($(CURDIR),$(SRCTREE))
Wolfgang Denk511d0c72006-10-09 00:42:01 +020034dir :=
Marian Balakowiczf9328632006-09-01 19:49:50 +020035else
36dir := $(subst $(SRCTREE)/,,$(CURDIR))
37endif
38
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000039ifneq ($(OBJTREE),$(SRCTREE))
40# Create object files for SPL in a separate directory
41ifeq ($(CONFIG_SPL_BUILD),y)
42obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
43else
Marian Balakowiczf9328632006-09-01 19:49:50 +020044obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000045endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020046src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
47
48$(shell mkdir -p $(obj))
49else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000050# Create object files for SPL in a separate directory
51ifeq ($(CONFIG_SPL_BUILD),y)
52obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
53
54$(shell mkdir -p $(obj))
55else
Marian Balakowiczf9328632006-09-01 19:49:50 +020056obj :=
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000057endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020058src :=
59endif
60
wdenk592c5ca2003-06-21 00:17:24 +000061# clean the slate ...
62PLATFORM_RELFLAGS =
63PLATFORM_CPPFLAGS =
64PLATFORM_LDFLAGS =
65
wdenke2211742002-11-02 23:30:20 +000066#########################################################################
67
Scott Woodd984fed2009-11-04 18:41:41 -060068HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
69 $(HOSTCPPFLAGS)
70HOSTSTRIP = strip
71
72#
73# Mac OS X / Darwin's C preprocessor is Apple specific. It
74# generates numerous errors and warnings. We want to bypass it
Wolfgang Denk844f07d2010-11-27 23:30:56 +010075# and use GNU C's cpp. To do this we pass the -traditional-cpp
Scott Woodd984fed2009-11-04 18:41:41 -060076# option to the compiler. Note that the -traditional-cpp flag
77# DOES NOT have the same semantics as GNU C's flag, all it does
78# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
79#
80# Apple's linker is similar, thanks to the new 2 stage linking
81# multiple symbol definitions are treated as errors, hence the
82# -multiply_defined suppress option to turn off this error.
83#
84
Mike Frysinger4cda4372009-01-17 13:32:42 -050085ifeq ($(HOSTOS),darwin)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020086# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
87DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
88DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
89
Mike Frysingerf534c7c2010-08-03 19:17:38 -040090os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
91 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020092
93# Snow Leopards build environment has no longer restrictions as described above
Mike Frysingerf534c7c2010-08-03 19:17:38 -040094HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
95HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
96HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
wdenke2211742002-11-02 23:30:20 +000097else
98HOSTCC = gcc
99endif
Scott Woodd984fed2009-11-04 18:41:41 -0600100
101ifeq ($(HOSTOS),cygwin)
102HOSTCFLAGS += -ansi
103endif
104
105# We build some files with extra pedantic flags to try to minimize things
106# that won't build on some weird host compiler -- though there are lots of
107# exceptions for files that aren't complaint.
108
109HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS))
110HOSTCFLAGS += -pedantic
wdenke2211742002-11-02 23:30:20 +0000111
112#########################################################################
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200113#
Tom Rini19a695f2012-03-16 05:27:47 +0000114# Option checker, gcc version (courtesy linux kernel) to ensure
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200115# only supported compiler options are used
116#
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000117CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
Tom Rini6f4acc12012-02-14 07:29:37 +0000118CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000119
120-include $(CC_OPTIONS_CACHE_FILE)
121
Tom Rini6f4acc12012-02-14 07:29:37 +0000122cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \
123 if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000124 > /dev/null 2>&1; then \
125 echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \
126 echo "$(1)"; fi)
127
128ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y)
129cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2))
130else
131cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
132 $(if $(call cc-option-sys,$1),$1,$2)))
133endif
wdenke2211742002-11-02 23:30:20 +0000134
Tom Rini19a695f2012-03-16 05:27:47 +0000135# cc-version
136# Usage gcc-ver := $(call cc-version)
137cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
Allen Martin2051ff32012-08-15 11:38:53 +0000138binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS))
Tom Rini19a695f2012-03-16 05:27:47 +0000139
wdenke2211742002-11-02 23:30:20 +0000140#
141# Include the make variables (CC, etc...)
142#
143AS = $(CROSS_COMPILE)as
Khem Raj7cb714a2012-08-02 06:19:34 +0000144
145# Always use GNU ld
146LD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \
147 then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;)
148
wdenke2211742002-11-02 23:30:20 +0000149CC = $(CROSS_COMPILE)gcc
150CPP = $(CC) -E
151AR = $(CROSS_COMPILE)ar
152NM = $(CROSS_COMPILE)nm
Mike Frysinger94a91e22008-02-04 19:26:57 -0500153LDR = $(CROSS_COMPILE)ldr
wdenke2211742002-11-02 23:30:20 +0000154STRIP = $(CROSS_COMPILE)strip
155OBJCOPY = $(CROSS_COMPILE)objcopy
156OBJDUMP = $(CROSS_COMPILE)objdump
157RANLIB = $(CROSS_COMPILE)RANLIB
Simon Glassbbb0b122011-10-15 05:48:21 +0000158DTC = dtc
Kim Phillips4ab64932012-09-21 12:28:17 +0000159CHECK = sparse
wdenke2211742002-11-02 23:30:20 +0000160
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200161#########################################################################
162
163# Load generated board configuration
164sinclude $(OBJTREE)/include/autoconf.mk
Joakim Tjernlund5e987dd2011-01-17 23:39:26 +0100165sinclude $(OBJTREE)/include/config.mk
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200166
Peter Tyser03b70042010-04-12 22:28:02 -0500167# Some architecture config.mk files need to know what CPUDIR is set to,
168# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
Peter Tyser8d1f2682010-04-12 22:28:09 -0500169# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
170# CPU-specific code.
171CPUDIR=arch/$(ARCH)/cpu/$(CPU)
172ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
173CPUDIR=arch/$(ARCH)/cpu
174endif
Peter Tyser03b70042010-04-12 22:28:02 -0500175
Peter Tyserea0364f2010-04-12 22:28:04 -0500176sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules
Peter Tyser03b70042010-04-12 22:28:02 -0500177sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules
178
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200179ifdef SOC
Peter Tyser03b70042010-04-12 22:28:02 -0500180sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200181endif
182ifdef VENDOR
183BOARDDIR = $(VENDOR)/$(BOARD)
184else
185BOARDDIR = $(BOARD)
186endif
187ifdef BOARD
188sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
189endif
190
191#########################################################################
192
Mike Frysinger5968adc2011-10-12 19:25:20 +0000193# We don't actually use $(ARFLAGS) anywhere anymore, so catch people
194# who are porting old code to latest mainline but not updating $(AR).
195ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR)
wdenke2211742002-11-02 23:30:20 +0000196RELFLAGS= $(PLATFORM_RELFLAGS)
Heiko Schocher9acb6262006-04-20 08:42:42 +0200197DBGFLAGS= -g # -DDEBUG
wdenke2211742002-11-02 23:30:20 +0000198OPTFLAGS= -Os #-fomit-frame-pointer
Scott Wood83b7e2a2011-04-06 13:31:37 +0000199
wdenk6dd652f2003-06-19 23:40:20 +0000200OBJCFLAGS += --gap-fill=0xff
wdenke2211742002-11-02 23:30:20 +0000201
wdenkb783eda2003-06-25 22:26:29 +0000202gccincdir := $(shell $(CC) -print-file-name=include)
203
wdenke2211742002-11-02 23:30:20 +0000204CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
Marek Vasutc1f58052012-09-14 23:46:48 +0200205 -D__KERNEL__
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000206
207# Enable garbage collection of un-used sections for SPL
208ifeq ($(CONFIG_SPL_BUILD),y)
209CPPFLAGS += -ffunction-sections -fdata-sections
210LDFLAGS_FINAL += --gc-sections
211endif
212
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200213ifneq ($(CONFIG_SYS_TEXT_BASE),)
214CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500215endif
Marian Balakowiczf9328632006-09-01 19:49:50 +0200216
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000217ifneq ($(CONFIG_SPL_TEXT_BASE),)
218CPPFLAGS += -DCONFIG_SPL_TEXT_BASE=$(CONFIG_SPL_TEXT_BASE)
219endif
220
Stefan Roese94aebe62012-01-05 11:19:50 +0100221ifneq ($(CONFIG_SPL_PAD_TO),)
222CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO)
223endif
224
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000225ifeq ($(CONFIG_SPL_BUILD),y)
226CPPFLAGS += -DCONFIG_SPL_BUILD
227endif
228
Simon Glass5c1a7ea2013-03-08 13:45:27 +0000229# Does this architecture support generic board init?
230ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
231ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
232$(error Your architecture does not support generic board. Please undefined \
233CONFIG_SYS_GENERIC_BOARD in your board config file)
234endif
235endif
236
Kumar Gala6c97a202009-09-09 11:40:41 -0500237ifneq ($(RESET_VECTOR_ADDRESS),)
238CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS)
239endif
240
Marian Balakowiczf9328632006-09-01 19:49:50 +0200241ifneq ($(OBJTREE),$(SRCTREE))
242CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
243endif
244
245CPPFLAGS += -I$(TOPDIR)/include
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200246CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
Marian Balakowiczf9328632006-09-01 19:49:50 +0200247 -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
wdenke2211742002-11-02 23:30:20 +0000248
249ifdef BUILD_TAG
250CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
251 -DBUILD_TAG='"$(BUILD_TAG)"'
252else
253CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
254endif
255
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000256CFLAGS_SSP := $(call cc-option,-fno-stack-protector)
257CFLAGS += $(CFLAGS_SSP)
Mike Frysinger6262e4e2011-04-25 08:06:40 +0000258# Some toolchains enable security related warning flags by default,
259# but they don't make much sense in the u-boot world, so disable them.
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000260CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
261 $(call cc-option,-Wno-format-security)
262CFLAGS += $(CFLAGS_WARN)
Haavard Skinnemoen28eab0d2008-05-19 12:26:38 +0200263
Tom Rini4a30f1e2012-02-20 13:50:10 +0000264# Report stack usage if supported
265CFLAGS_STACK := $(call cc-option,-fstack-usage)
266CFLAGS += $(CFLAGS_STACK)
267
Haavard Skinnemoene11887a2006-10-26 17:55:31 +0200268# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
269# option to the assembler.
270AFLAGS_DEBUG :=
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200271
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200272# turn jbsr into jsr for m68k
273ifeq ($(ARCH),m68k)
274ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
275AFLAGS_DEBUG := -Wa,-gstabs,-S
276endif
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200277endif
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200278
wdenke2211742002-11-02 23:30:20 +0000279AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
280
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900281LDFLAGS += $(PLATFORM_LDFLAGS)
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500282LDFLAGS_FINAL += -Bstatic
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900283
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500284LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200285ifneq ($(CONFIG_SYS_TEXT_BASE),)
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900286LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500287endif
wdenke2211742002-11-02 23:30:20 +0000288
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000289LDFLAGS_u-boot-spl += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
290ifneq ($(CONFIG_SPL_TEXT_BASE),)
291LDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE)
292endif
293
Kim Phillips4ab64932012-09-21 12:28:17 +0000294# Linus' kernel sanity checking tool
295CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
296 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
297
wdenke2211742002-11-02 23:30:20 +0000298# Location of a usable BFD library, where we define "usable" as
299# "built for ${HOST}, supports ${TARGET}". Sensible values are
300# - When cross-compiling: the root of the cross-environment
301# - Linux/ppc (native): /usr
302# - NetBSD/ppc (native): you lose ... (must extract these from the
303# binutils build directory, plus the native and U-Boot include
304# files don't like each other)
305#
306# So far, this is used only by tools/gdb/Makefile.
307
Mike Frysinger4cda4372009-01-17 13:32:42 -0500308ifeq ($(HOSTOS),darwin)
wdenke2211742002-11-02 23:30:20 +0000309BFD_ROOT_DIR = /usr/local/tools
310else
wdenkea909b72002-11-21 23:11:29 +0000311ifeq ($(HOSTARCH),$(ARCH))
312# native
313BFD_ROOT_DIR = /usr
314else
wdenke2211742002-11-02 23:30:20 +0000315#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
316#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
wdenke2211742002-11-02 23:30:20 +0000317BFD_ROOT_DIR = /opt/powerpc
318endif
wdenkea909b72002-11-21 23:11:29 +0000319endif
wdenke2211742002-11-02 23:30:20 +0000320
wdenke2211742002-11-02 23:30:20 +0000321#########################################################################
322
Scott Woodd984fed2009-11-04 18:41:41 -0600323export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
Peter Tyser434c51a2008-11-12 13:06:48 -0600324 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200325export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
wdenke2211742002-11-02 23:30:20 +0000326
327#########################################################################
328
Mike Frysinger5ec55292009-06-14 09:33:00 -0400329# Allow boards to use custom optimize flags on a per dir/file basis
Peter Tyser89f39e12010-04-12 22:28:03 -0500330BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
Mike Frysinger326a6942010-12-15 07:17:31 -0500331ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
332ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
Simon Glass47508842011-10-07 13:53:49 +0000333EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
334ALL_CFLAGS += $(EXTRA_CPPFLAGS)
335
336# The _DEP version uses the $< file target (for dependency generation)
337# See rules.mk
338EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
339 $(CPPFLAGS_$(BCURDIR))
Marian Balakowiczf9328632006-09-01 19:49:50 +0200340$(obj)%.s: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500341 $(CPP) $(ALL_AFLAGS) -o $@ $<
Marian Balakowiczf9328632006-09-01 19:49:50 +0200342$(obj)%.o: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500343 $(CC) $(ALL_AFLAGS) -o $@ $< -c
Marian Balakowiczf9328632006-09-01 19:49:50 +0200344$(obj)%.o: %.c
Kim Phillips4ab64932012-09-21 12:28:17 +0000345ifneq ($(CHECKSRC),0)
346 $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
347endif
Mike Frysinger326a6942010-12-15 07:17:31 -0500348 $(CC) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400349$(obj)%.i: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500350 $(CPP) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400351$(obj)%.s: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500352 $(CC) $(ALL_CFLAGS) -o $@ $< -c -S
Marian Balakowiczf9328632006-09-01 19:49:50 +0200353
wdenke2211742002-11-02 23:30:20 +0000354#########################################################################
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100355
356# If the list of objects to link is empty, just create an empty built-in.o
357cmd_link_o_target = $(if $(strip $1),\
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900358 $(LD) $(LDFLAGS) -r -o $@ $1,\
Wolfgang Denk844f07d2010-11-27 23:30:56 +0100359 rm -f $@; $(AR) rcs $@ )
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100360
361#########################################################################