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wdenke2211742002-11-02 23:30:20 +00001#
Wolfgang Denkeca3aeb2013-06-21 10:22:36 +02002# (C) Copyright 2000-2013
wdenke2211742002-11-02 23:30:20 +00003# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
Wolfgang Denkeca3aeb2013-06-21 10:22:36 +02005# SPDX-License-Identifier: GPL-2.0+
wdenke2211742002-11-02 23:30:20 +00006#
wdenke2211742002-11-02 23:30:20 +00007#########################################################################
8
Benoît Thébaudeau120ae602013-04-11 09:35:54 +00009# Set shell to bash if possible, otherwise fall back to sh
10SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
11 else if [ -x /bin/bash ]; then echo /bin/bash; \
12 else echo sh; fi; fi)
13
14export SHELL
15
Ying Zhang3aa29de2013-08-16 15:16:15 +080016ifeq ($(CONFIG_TPL_BUILD),y)
17SPL_BIN := u-boot-tpl
18else
19SPL_BIN := u-boot-spl
20endif
21
Marian Balakowiczf9328632006-09-01 19:49:50 +020022ifeq ($(CURDIR),$(SRCTREE))
Wolfgang Denk511d0c72006-10-09 00:42:01 +020023dir :=
Marian Balakowiczf9328632006-09-01 19:49:50 +020024else
25dir := $(subst $(SRCTREE)/,,$(CURDIR))
26endif
27
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000028ifneq ($(OBJTREE),$(SRCTREE))
29# Create object files for SPL in a separate directory
30ifeq ($(CONFIG_SPL_BUILD),y)
Ying Zhang3aa29de2013-08-16 15:16:15 +080031ifeq ($(CONFIG_TPL_BUILD),y)
32obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
33else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000034obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
Ying Zhang3aa29de2013-08-16 15:16:15 +080035endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000036else
Marian Balakowiczf9328632006-09-01 19:49:50 +020037obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000038endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020039src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
40
41$(shell mkdir -p $(obj))
42else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000043# Create object files for SPL in a separate directory
44ifeq ($(CONFIG_SPL_BUILD),y)
Ying Zhang3aa29de2013-08-16 15:16:15 +080045ifeq ($(CONFIG_TPL_BUILD),y)
46obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
47else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000048obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
49
Ying Zhang3aa29de2013-08-16 15:16:15 +080050endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000051$(shell mkdir -p $(obj))
52else
Marian Balakowiczf9328632006-09-01 19:49:50 +020053obj :=
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000054endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020055src :=
56endif
57
wdenk592c5ca2003-06-21 00:17:24 +000058# clean the slate ...
59PLATFORM_RELFLAGS =
60PLATFORM_CPPFLAGS =
61PLATFORM_LDFLAGS =
62
wdenke2211742002-11-02 23:30:20 +000063#########################################################################
64
Scott Woodd984fed2009-11-04 18:41:41 -060065HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
66 $(HOSTCPPFLAGS)
67HOSTSTRIP = strip
68
69#
70# Mac OS X / Darwin's C preprocessor is Apple specific. It
71# generates numerous errors and warnings. We want to bypass it
Wolfgang Denk844f07d2010-11-27 23:30:56 +010072# and use GNU C's cpp. To do this we pass the -traditional-cpp
Scott Woodd984fed2009-11-04 18:41:41 -060073# option to the compiler. Note that the -traditional-cpp flag
74# DOES NOT have the same semantics as GNU C's flag, all it does
75# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
76#
77# Apple's linker is similar, thanks to the new 2 stage linking
78# multiple symbol definitions are treated as errors, hence the
79# -multiply_defined suppress option to turn off this error.
80#
81
Mike Frysinger4cda4372009-01-17 13:32:42 -050082ifeq ($(HOSTOS),darwin)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020083# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
84DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
85DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
86
Mike Frysingerf534c7c2010-08-03 19:17:38 -040087os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
88 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020089
90# Snow Leopards build environment has no longer restrictions as described above
Mike Frysingerf534c7c2010-08-03 19:17:38 -040091HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
92HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
93HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
wdenke2211742002-11-02 23:30:20 +000094else
95HOSTCC = gcc
96endif
Scott Woodd984fed2009-11-04 18:41:41 -060097
98ifeq ($(HOSTOS),cygwin)
99HOSTCFLAGS += -ansi
100endif
101
102# We build some files with extra pedantic flags to try to minimize things
103# that won't build on some weird host compiler -- though there are lots of
104# exceptions for files that aren't complaint.
105
106HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS))
107HOSTCFLAGS += -pedantic
wdenke2211742002-11-02 23:30:20 +0000108
109#########################################################################
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200110#
Tom Rini19a695f2012-03-16 05:27:47 +0000111# Option checker, gcc version (courtesy linux kernel) to ensure
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200112# only supported compiler options are used
113#
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000114CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
Tom Rini6f4acc12012-02-14 07:29:37 +0000115CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000116
117-include $(CC_OPTIONS_CACHE_FILE)
118
Tom Rini6f4acc12012-02-14 07:29:37 +0000119cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \
120 if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000121 > /dev/null 2>&1; then \
122 echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \
123 echo "$(1)"; fi)
124
125ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y)
126cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2))
127else
128cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
129 $(if $(call cc-option-sys,$1),$1,$2)))
130endif
wdenke2211742002-11-02 23:30:20 +0000131
Tom Rini19a695f2012-03-16 05:27:47 +0000132# cc-version
133# Usage gcc-ver := $(call cc-version)
134cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
Allen Martin2051ff32012-08-15 11:38:53 +0000135binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS))
Stephen Warren501ebdf2013-07-24 10:09:16 -0700136dtc-version = $(shell $(SHELL) $(SRCTREE)/tools/dtc-version.sh $(DTC))
Tom Rini19a695f2012-03-16 05:27:47 +0000137
wdenke2211742002-11-02 23:30:20 +0000138#
139# Include the make variables (CC, etc...)
140#
141AS = $(CROSS_COMPILE)as
Khem Raj7cb714a2012-08-02 06:19:34 +0000142
143# Always use GNU ld
144LD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \
145 then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;)
146
wdenke2211742002-11-02 23:30:20 +0000147CC = $(CROSS_COMPILE)gcc
148CPP = $(CC) -E
149AR = $(CROSS_COMPILE)ar
150NM = $(CROSS_COMPILE)nm
Mike Frysinger94a91e22008-02-04 19:26:57 -0500151LDR = $(CROSS_COMPILE)ldr
wdenke2211742002-11-02 23:30:20 +0000152STRIP = $(CROSS_COMPILE)strip
153OBJCOPY = $(CROSS_COMPILE)objcopy
154OBJDUMP = $(CROSS_COMPILE)objdump
155RANLIB = $(CROSS_COMPILE)RANLIB
Simon Glassbbb0b122011-10-15 05:48:21 +0000156DTC = dtc
Kim Phillips4ab64932012-09-21 12:28:17 +0000157CHECK = sparse
wdenke2211742002-11-02 23:30:20 +0000158
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200159#########################################################################
160
161# Load generated board configuration
Ying Zhang3aa29de2013-08-16 15:16:15 +0800162ifeq ($(CONFIG_TPL_BUILD),y)
163# Include TPL autoconf
164sinclude $(OBJTREE)/include/tpl-autoconf.mk
165else
Joel Fernandes39bc12d2013-08-19 16:14:14 +0800166ifeq ($(CONFIG_SPL_BUILD),y)
167# Include SPL autoconf
168sinclude $(OBJTREE)/include/spl-autoconf.mk
169else
170# Include normal autoconf
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200171sinclude $(OBJTREE)/include/autoconf.mk
Joel Fernandes39bc12d2013-08-19 16:14:14 +0800172endif
Ying Zhang3aa29de2013-08-16 15:16:15 +0800173endif
Joakim Tjernlund5e987dd2011-01-17 23:39:26 +0100174sinclude $(OBJTREE)/include/config.mk
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200175
Peter Tyser03b70042010-04-12 22:28:02 -0500176# Some architecture config.mk files need to know what CPUDIR is set to,
177# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
Peter Tyser8d1f2682010-04-12 22:28:09 -0500178# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
179# CPU-specific code.
180CPUDIR=arch/$(ARCH)/cpu/$(CPU)
181ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
182CPUDIR=arch/$(ARCH)/cpu
183endif
Peter Tyser03b70042010-04-12 22:28:02 -0500184
Peter Tyserea0364f2010-04-12 22:28:04 -0500185sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules
Peter Tyser03b70042010-04-12 22:28:02 -0500186sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules
187
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200188ifdef SOC
Peter Tyser03b70042010-04-12 22:28:02 -0500189sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200190endif
191ifdef VENDOR
192BOARDDIR = $(VENDOR)/$(BOARD)
193else
194BOARDDIR = $(BOARD)
195endif
196ifdef BOARD
197sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
198endif
199
200#########################################################################
201
Mike Frysinger5968adc2011-10-12 19:25:20 +0000202# We don't actually use $(ARFLAGS) anywhere anymore, so catch people
203# who are porting old code to latest mainline but not updating $(AR).
204ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR)
wdenke2211742002-11-02 23:30:20 +0000205RELFLAGS= $(PLATFORM_RELFLAGS)
Heiko Schocher9acb6262006-04-20 08:42:42 +0200206DBGFLAGS= -g # -DDEBUG
wdenke2211742002-11-02 23:30:20 +0000207OPTFLAGS= -Os #-fomit-frame-pointer
Scott Wood83b7e2a2011-04-06 13:31:37 +0000208
wdenk6dd652f2003-06-19 23:40:20 +0000209OBJCFLAGS += --gap-fill=0xff
wdenke2211742002-11-02 23:30:20 +0000210
wdenkb783eda2003-06-25 22:26:29 +0000211gccincdir := $(shell $(CC) -print-file-name=include)
212
wdenke2211742002-11-02 23:30:20 +0000213CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
Marek Vasutc1f58052012-09-14 23:46:48 +0200214 -D__KERNEL__
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000215
216# Enable garbage collection of un-used sections for SPL
217ifeq ($(CONFIG_SPL_BUILD),y)
218CPPFLAGS += -ffunction-sections -fdata-sections
219LDFLAGS_FINAL += --gc-sections
220endif
221
Simon Glass29ce7372013-06-27 10:43:18 -0700222# TODO(sjg@chromium.org): Is this correct on Mac OS?
Marek Vasutbce88372013-08-26 20:43:33 +0200223
224# MXSImage needs LibSSL
225ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
226HOSTLIBS += -lssl -lcrypto
227# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
228# the mxsimage support within tools/mxsimage.c .
229HOSTCFLAGS += -DCONFIG_MXS
230endif
231
Simon Glass29ce7372013-06-27 10:43:18 -0700232ifdef CONFIG_FIT_SIGNATURE
233HOSTLIBS += -lssl -lcrypto
Simon Glass971c4502013-07-17 15:10:59 -0700234
235# This affects include/image.h, but including the board config file
236# is tricky, so manually define this options here.
237HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE
Simon Glass29ce7372013-06-27 10:43:18 -0700238endif
239
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200240ifneq ($(CONFIG_SYS_TEXT_BASE),)
241CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500242endif
Marian Balakowiczf9328632006-09-01 19:49:50 +0200243
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000244ifeq ($(CONFIG_SPL_BUILD),y)
245CPPFLAGS += -DCONFIG_SPL_BUILD
Ying Zhang3aa29de2013-08-16 15:16:15 +0800246ifeq ($(CONFIG_TPL_BUILD),y)
247CPPFLAGS += -DCONFIG_TPL_BUILD
248endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000249endif
250
Simon Glass5c1a7ea2013-03-08 13:45:27 +0000251# Does this architecture support generic board init?
252ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
253ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
Simon Glassfada9e22013-04-20 08:42:36 +0000254CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
255Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
Simon Glass5c1a7ea2013-03-08 13:45:27 +0000256endif
257endif
258
Marian Balakowiczf9328632006-09-01 19:49:50 +0200259ifneq ($(OBJTREE),$(SRCTREE))
260CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
261endif
262
263CPPFLAGS += -I$(TOPDIR)/include
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200264CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
Marian Balakowiczf9328632006-09-01 19:49:50 +0200265 -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
wdenke2211742002-11-02 23:30:20 +0000266
wdenke2211742002-11-02 23:30:20 +0000267CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
Marek Vasutd642c462013-04-27 07:50:11 +0000268
269ifdef BUILD_TAG
270CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
wdenke2211742002-11-02 23:30:20 +0000271endif
272
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000273CFLAGS_SSP := $(call cc-option,-fno-stack-protector)
274CFLAGS += $(CFLAGS_SSP)
Mike Frysinger6262e4e2011-04-25 08:06:40 +0000275# Some toolchains enable security related warning flags by default,
276# but they don't make much sense in the u-boot world, so disable them.
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000277CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
278 $(call cc-option,-Wno-format-security)
279CFLAGS += $(CFLAGS_WARN)
Haavard Skinnemoen28eab0d2008-05-19 12:26:38 +0200280
Tom Rini4a30f1e2012-02-20 13:50:10 +0000281# Report stack usage if supported
282CFLAGS_STACK := $(call cc-option,-fstack-usage)
283CFLAGS += $(CFLAGS_STACK)
284
Simon Glass5c2aeac2013-06-11 11:14:41 -0700285BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
286
287ifeq ($(findstring examples/,$(BCURDIR)),)
288ifeq ($(CONFIG_SPL_BUILD),)
289ifdef FTRACE
290CFLAGS += -finstrument-functions -DFTRACE
291endif
292endif
293endif
294
Haavard Skinnemoene11887a2006-10-26 17:55:31 +0200295# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
296# option to the assembler.
297AFLAGS_DEBUG :=
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200298
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200299# turn jbsr into jsr for m68k
300ifeq ($(ARCH),m68k)
301ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
302AFLAGS_DEBUG := -Wa,-gstabs,-S
303endif
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200304endif
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200305
wdenke2211742002-11-02 23:30:20 +0000306AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
307
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900308LDFLAGS += $(PLATFORM_LDFLAGS)
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500309LDFLAGS_FINAL += -Bstatic
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900310
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500311LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200312ifneq ($(CONFIG_SYS_TEXT_BASE),)
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900313LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500314endif
wdenke2211742002-11-02 23:30:20 +0000315
Ying Zhang3aa29de2013-08-16 15:16:15 +0800316LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000317ifneq ($(CONFIG_SPL_TEXT_BASE),)
Ying Zhang3aa29de2013-08-16 15:16:15 +0800318LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000319endif
320
Kim Phillips4ab64932012-09-21 12:28:17 +0000321# Linus' kernel sanity checking tool
322CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
Wolfgang Denk93e14592013-10-04 17:43:24 +0200323 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
Kim Phillips4ab64932012-09-21 12:28:17 +0000324
wdenke2211742002-11-02 23:30:20 +0000325# Location of a usable BFD library, where we define "usable" as
326# "built for ${HOST}, supports ${TARGET}". Sensible values are
327# - When cross-compiling: the root of the cross-environment
328# - Linux/ppc (native): /usr
329# - NetBSD/ppc (native): you lose ... (must extract these from the
330# binutils build directory, plus the native and U-Boot include
331# files don't like each other)
332#
333# So far, this is used only by tools/gdb/Makefile.
334
Mike Frysinger4cda4372009-01-17 13:32:42 -0500335ifeq ($(HOSTOS),darwin)
wdenke2211742002-11-02 23:30:20 +0000336BFD_ROOT_DIR = /usr/local/tools
337else
wdenkea909b72002-11-21 23:11:29 +0000338ifeq ($(HOSTARCH),$(ARCH))
339# native
340BFD_ROOT_DIR = /usr
341else
wdenke2211742002-11-02 23:30:20 +0000342#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
343#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
wdenke2211742002-11-02 23:30:20 +0000344BFD_ROOT_DIR = /opt/powerpc
345endif
wdenkea909b72002-11-21 23:11:29 +0000346endif
wdenke2211742002-11-02 23:30:20 +0000347
wdenke2211742002-11-02 23:30:20 +0000348#########################################################################
349
Scott Woodd984fed2009-11-04 18:41:41 -0600350export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
Peter Tyser434c51a2008-11-12 13:06:48 -0600351 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200352export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
wdenke2211742002-11-02 23:30:20 +0000353
354#########################################################################
355
Mike Frysinger5ec55292009-06-14 09:33:00 -0400356# Allow boards to use custom optimize flags on a per dir/file basis
Mike Frysinger326a6942010-12-15 07:17:31 -0500357ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
358ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
Simon Glass47508842011-10-07 13:53:49 +0000359EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
360ALL_CFLAGS += $(EXTRA_CPPFLAGS)
361
362# The _DEP version uses the $< file target (for dependency generation)
363# See rules.mk
364EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
365 $(CPPFLAGS_$(BCURDIR))
Marian Balakowiczf9328632006-09-01 19:49:50 +0200366$(obj)%.s: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500367 $(CPP) $(ALL_AFLAGS) -o $@ $<
Marian Balakowiczf9328632006-09-01 19:49:50 +0200368$(obj)%.o: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500369 $(CC) $(ALL_AFLAGS) -o $@ $< -c
Marian Balakowiczf9328632006-09-01 19:49:50 +0200370$(obj)%.o: %.c
Kim Phillips4ab64932012-09-21 12:28:17 +0000371ifneq ($(CHECKSRC),0)
372 $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
373endif
Mike Frysinger326a6942010-12-15 07:17:31 -0500374 $(CC) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400375$(obj)%.i: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500376 $(CPP) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400377$(obj)%.s: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500378 $(CC) $(ALL_CFLAGS) -o $@ $< -c -S
Marian Balakowiczf9328632006-09-01 19:49:50 +0200379
wdenke2211742002-11-02 23:30:20 +0000380#########################################################################
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100381
382# If the list of objects to link is empty, just create an empty built-in.o
383cmd_link_o_target = $(if $(strip $1),\
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900384 $(LD) $(LDFLAGS) -r -o $@ $1,\
Wolfgang Denk844f07d2010-11-27 23:30:56 +0100385 rm -f $@; $(AR) rcs $@ )
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100386
387#########################################################################