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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
Marian Balakowiczf9328632006-09-01 19:49:50 +020016ifeq ($(CURDIR),$(SRCTREE))
Wolfgang Denk511d0c72006-10-09 00:42:01 +020017dir :=
Marian Balakowiczf9328632006-09-01 19:49:50 +020018else
19dir := $(subst $(SRCTREE)/,,$(CURDIR))
20endif
21
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000022ifneq ($(OBJTREE),$(SRCTREE))
23# Create object files for SPL in a separate directory
24ifeq ($(CONFIG_SPL_BUILD),y)
Ying Zhang3aa29de2013-08-16 15:16:15 +080025ifeq ($(CONFIG_TPL_BUILD),y)
26obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
27else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000028obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
Ying Zhang3aa29de2013-08-16 15:16:15 +080029endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000030else
Marian Balakowiczf9328632006-09-01 19:49:50 +020031obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000032endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020033src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
34
35$(shell mkdir -p $(obj))
36else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000037# Create object files for SPL in a separate directory
38ifeq ($(CONFIG_SPL_BUILD),y)
Ying Zhang3aa29de2013-08-16 15:16:15 +080039ifeq ($(CONFIG_TPL_BUILD),y)
40obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
41else
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000042obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
43
Ying Zhang3aa29de2013-08-16 15:16:15 +080044endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000045$(shell mkdir -p $(obj))
46else
Marian Balakowiczf9328632006-09-01 19:49:50 +020047obj :=
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +000048endif
Marian Balakowiczf9328632006-09-01 19:49:50 +020049src :=
50endif
51
wdenk592c5ca2003-06-21 00:17:24 +000052# clean the slate ...
53PLATFORM_RELFLAGS =
54PLATFORM_CPPFLAGS =
55PLATFORM_LDFLAGS =
56
wdenke2211742002-11-02 23:30:20 +000057#########################################################################
58
Scott Woodd984fed2009-11-04 18:41:41 -060059HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
60 $(HOSTCPPFLAGS)
61HOSTSTRIP = strip
62
63#
64# Mac OS X / Darwin's C preprocessor is Apple specific. It
65# generates numerous errors and warnings. We want to bypass it
Wolfgang Denk844f07d2010-11-27 23:30:56 +010066# and use GNU C's cpp. To do this we pass the -traditional-cpp
Scott Woodd984fed2009-11-04 18:41:41 -060067# option to the compiler. Note that the -traditional-cpp flag
68# DOES NOT have the same semantics as GNU C's flag, all it does
69# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
70#
71# Apple's linker is similar, thanks to the new 2 stage linking
72# multiple symbol definitions are treated as errors, hence the
73# -multiply_defined suppress option to turn off this error.
74#
75
Mike Frysinger4cda4372009-01-17 13:32:42 -050076ifeq ($(HOSTOS),darwin)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020077# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
78DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
79DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
80
Mike Frysingerf534c7c2010-08-03 19:17:38 -040081os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
82 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
Andreas Biessmannc7da8c12010-05-22 13:17:21 +020083
84# Snow Leopards build environment has no longer restrictions as described above
Mike Frysingerf534c7c2010-08-03 19:17:38 -040085HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
86HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
87HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
wdenke2211742002-11-02 23:30:20 +000088else
89HOSTCC = gcc
90endif
Scott Woodd984fed2009-11-04 18:41:41 -060091
92ifeq ($(HOSTOS),cygwin)
93HOSTCFLAGS += -ansi
94endif
95
96# We build some files with extra pedantic flags to try to minimize things
97# that won't build on some weird host compiler -- though there are lots of
98# exceptions for files that aren't complaint.
99
100HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS))
101HOSTCFLAGS += -pedantic
wdenke2211742002-11-02 23:30:20 +0000102
103#########################################################################
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200104#
Tom Rini19a695f2012-03-16 05:27:47 +0000105# Option checker, gcc version (courtesy linux kernel) to ensure
Wolfgang Denk1820d4c2005-10-04 22:38:24 +0200106# only supported compiler options are used
107#
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000108CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
Tom Rini6f4acc12012-02-14 07:29:37 +0000109CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000110
111-include $(CC_OPTIONS_CACHE_FILE)
112
Tom Rini6f4acc12012-02-14 07:29:37 +0000113cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \
114 if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \
Daniel Schwierzeckb6a467d2011-11-07 05:26:43 +0000115 > /dev/null 2>&1; then \
116 echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \
117 echo "$(1)"; fi)
118
119ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y)
120cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2))
121else
122cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
123 $(if $(call cc-option-sys,$1),$1,$2)))
124endif
wdenke2211742002-11-02 23:30:20 +0000125
Tom Rini19a695f2012-03-16 05:27:47 +0000126# cc-version
127# Usage gcc-ver := $(call cc-version)
Masahiro Yamadadd88ab32013-11-28 16:29:23 +0900128cc-version = $(shell $(SHELL) $(SRCTREE)/scripts/gcc-version.sh $(CC))
129binutils-version = $(shell $(SHELL) $(SRCTREE)/scripts/binutils-version.sh $(AS))
130dtc-version = $(shell $(SHELL) $(SRCTREE)/scripts/dtc-version.sh $(DTC))
Tom Rini19a695f2012-03-16 05:27:47 +0000131
wdenke2211742002-11-02 23:30:20 +0000132#
133# Include the make variables (CC, etc...)
134#
135AS = $(CROSS_COMPILE)as
Khem Raj7cb714a2012-08-02 06:19:34 +0000136
137# Always use GNU ld
138LD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \
139 then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;)
140
wdenke2211742002-11-02 23:30:20 +0000141CC = $(CROSS_COMPILE)gcc
142CPP = $(CC) -E
143AR = $(CROSS_COMPILE)ar
144NM = $(CROSS_COMPILE)nm
Mike Frysinger94a91e22008-02-04 19:26:57 -0500145LDR = $(CROSS_COMPILE)ldr
wdenke2211742002-11-02 23:30:20 +0000146STRIP = $(CROSS_COMPILE)strip
147OBJCOPY = $(CROSS_COMPILE)objcopy
148OBJDUMP = $(CROSS_COMPILE)objdump
149RANLIB = $(CROSS_COMPILE)RANLIB
Simon Glassbbb0b122011-10-15 05:48:21 +0000150DTC = dtc
Kim Phillips4ab64932012-09-21 12:28:17 +0000151CHECK = sparse
wdenke2211742002-11-02 23:30:20 +0000152
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200153#########################################################################
154
155# Load generated board configuration
Ying Zhang3aa29de2013-08-16 15:16:15 +0800156ifeq ($(CONFIG_TPL_BUILD),y)
157# Include TPL autoconf
158sinclude $(OBJTREE)/include/tpl-autoconf.mk
159else
Joel Fernandes39bc12d2013-08-19 16:14:14 +0800160ifeq ($(CONFIG_SPL_BUILD),y)
161# Include SPL autoconf
162sinclude $(OBJTREE)/include/spl-autoconf.mk
163else
164# Include normal autoconf
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200165sinclude $(OBJTREE)/include/autoconf.mk
Joel Fernandes39bc12d2013-08-19 16:14:14 +0800166endif
Ying Zhang3aa29de2013-08-16 15:16:15 +0800167endif
Joakim Tjernlund5e987dd2011-01-17 23:39:26 +0100168sinclude $(OBJTREE)/include/config.mk
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200169
Peter Tyser03b70042010-04-12 22:28:02 -0500170# Some architecture config.mk files need to know what CPUDIR is set to,
171# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
Peter Tyser8d1f2682010-04-12 22:28:09 -0500172# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
173# CPU-specific code.
174CPUDIR=arch/$(ARCH)/cpu/$(CPU)
175ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
176CPUDIR=arch/$(ARCH)/cpu
177endif
Peter Tyser03b70042010-04-12 22:28:02 -0500178
Peter Tyserea0364f2010-04-12 22:28:04 -0500179sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules
Peter Tyser03b70042010-04-12 22:28:02 -0500180sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules
181
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200182ifdef SOC
Peter Tyser03b70042010-04-12 22:28:02 -0500183sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
Wolfgang Denkc4e5f522008-05-03 22:25:00 +0200184endif
185ifdef VENDOR
186BOARDDIR = $(VENDOR)/$(BOARD)
187else
188BOARDDIR = $(BOARD)
189endif
190ifdef BOARD
191sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
192endif
193
194#########################################################################
195
Mike Frysinger5968adc2011-10-12 19:25:20 +0000196# We don't actually use $(ARFLAGS) anywhere anymore, so catch people
197# who are porting old code to latest mainline but not updating $(AR).
198ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR)
wdenke2211742002-11-02 23:30:20 +0000199RELFLAGS= $(PLATFORM_RELFLAGS)
Heiko Schocher9acb6262006-04-20 08:42:42 +0200200DBGFLAGS= -g # -DDEBUG
wdenke2211742002-11-02 23:30:20 +0000201OPTFLAGS= -Os #-fomit-frame-pointer
Scott Wood83b7e2a2011-04-06 13:31:37 +0000202
wdenk6dd652f2003-06-19 23:40:20 +0000203OBJCFLAGS += --gap-fill=0xff
wdenke2211742002-11-02 23:30:20 +0000204
wdenkb783eda2003-06-25 22:26:29 +0000205gccincdir := $(shell $(CC) -print-file-name=include)
206
wdenke2211742002-11-02 23:30:20 +0000207CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
Marek Vasutc1f58052012-09-14 23:46:48 +0200208 -D__KERNEL__
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000209
210# Enable garbage collection of un-used sections for SPL
211ifeq ($(CONFIG_SPL_BUILD),y)
212CPPFLAGS += -ffunction-sections -fdata-sections
213LDFLAGS_FINAL += --gc-sections
214endif
215
Simon Glass29ce7372013-06-27 10:43:18 -0700216# TODO(sjg@chromium.org): Is this correct on Mac OS?
Marek Vasutbce88372013-08-26 20:43:33 +0200217
218# MXSImage needs LibSSL
219ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
220HOSTLIBS += -lssl -lcrypto
221# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
222# the mxsimage support within tools/mxsimage.c .
223HOSTCFLAGS += -DCONFIG_MXS
224endif
225
Simon Glass29ce7372013-06-27 10:43:18 -0700226ifdef CONFIG_FIT_SIGNATURE
227HOSTLIBS += -lssl -lcrypto
Simon Glass971c4502013-07-17 15:10:59 -0700228
229# This affects include/image.h, but including the board config file
230# is tricky, so manually define this options here.
231HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE
Simon Glass29ce7372013-06-27 10:43:18 -0700232endif
233
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200234ifneq ($(CONFIG_SYS_TEXT_BASE),)
235CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500236endif
Marian Balakowiczf9328632006-09-01 19:49:50 +0200237
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000238ifeq ($(CONFIG_SPL_BUILD),y)
239CPPFLAGS += -DCONFIG_SPL_BUILD
Ying Zhang3aa29de2013-08-16 15:16:15 +0800240ifeq ($(CONFIG_TPL_BUILD),y)
241CPPFLAGS += -DCONFIG_TPL_BUILD
242endif
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000243endif
244
Simon Glass5c1a7ea2013-03-08 13:45:27 +0000245# Does this architecture support generic board init?
246ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
247ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
Simon Glassfada9e22013-04-20 08:42:36 +0000248CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
249Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
Simon Glass5c1a7ea2013-03-08 13:45:27 +0000250endif
251endif
252
Simon Glasscbe5cdfc2013-11-10 10:26:48 -0700253# Sandbox needs the base flags and includes, so keep them around
254BASE_CPPFLAGS := $(CPPFLAGS)
255
Marian Balakowiczf9328632006-09-01 19:49:50 +0200256ifneq ($(OBJTREE),$(SRCTREE))
Simon Glasscbe5cdfc2013-11-10 10:26:48 -0700257BASE_INCLUDE_DIRS := $(OBJTREE)/include
Marian Balakowiczf9328632006-09-01 19:49:50 +0200258endif
259
Simon Glasscbe5cdfc2013-11-10 10:26:48 -0700260BASE_INCLUDE_DIRS += $(TOPDIR)/include $(SRCTREE)/arch/$(ARCH)/include
261
262CPPFLAGS += $(patsubst %, -I%, $(BASE_INCLUDE_DIRS))
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200263CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
Marian Balakowiczf9328632006-09-01 19:49:50 +0200264 -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
wdenke2211742002-11-02 23:30:20 +0000265
wdenke2211742002-11-02 23:30:20 +0000266CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
Marek Vasutd642c462013-04-27 07:50:11 +0000267
268ifdef BUILD_TAG
269CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
wdenke2211742002-11-02 23:30:20 +0000270endif
271
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000272CFLAGS_SSP := $(call cc-option,-fno-stack-protector)
273CFLAGS += $(CFLAGS_SSP)
Mike Frysinger6262e4e2011-04-25 08:06:40 +0000274# Some toolchains enable security related warning flags by default,
275# but they don't make much sense in the u-boot world, so disable them.
Wolfgang Denkcca4e4a2011-11-01 20:54:02 +0000276CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
277 $(call cc-option,-Wno-format-security)
278CFLAGS += $(CFLAGS_WARN)
Haavard Skinnemoen28eab0d2008-05-19 12:26:38 +0200279
Tom Rini4a30f1e2012-02-20 13:50:10 +0000280# Report stack usage if supported
281CFLAGS_STACK := $(call cc-option,-fstack-usage)
282CFLAGS += $(CFLAGS_STACK)
283
Simon Glass5c2aeac2013-06-11 11:14:41 -0700284BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
285
286ifeq ($(findstring examples/,$(BCURDIR)),)
287ifeq ($(CONFIG_SPL_BUILD),)
288ifdef FTRACE
289CFLAGS += -finstrument-functions -DFTRACE
290endif
291endif
292endif
293
Haavard Skinnemoene11887a2006-10-26 17:55:31 +0200294# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
295# option to the assembler.
296AFLAGS_DEBUG :=
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200297
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200298# turn jbsr into jsr for m68k
299ifeq ($(ARCH),m68k)
300ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
301AFLAGS_DEBUG := -Wa,-gstabs,-S
302endif
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200303endif
Marian Balakowiczb62fa912006-05-17 12:18:48 +0200304
wdenke2211742002-11-02 23:30:20 +0000305AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
306
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900307LDFLAGS += $(PLATFORM_LDFLAGS)
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500308LDFLAGS_FINAL += -Bstatic
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900309
Haiying Wang6dc1eceb2011-02-22 16:38:05 -0500310LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200311ifneq ($(CONFIG_SYS_TEXT_BASE),)
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900312LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
Mike Frysinger161b2af2008-01-28 05:28:50 -0500313endif
wdenke2211742002-11-02 23:30:20 +0000314
Ying Zhang3aa29de2013-08-16 15:16:15 +0800315LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000316ifneq ($(CONFIG_SPL_TEXT_BASE),)
Ying Zhang3aa29de2013-08-16 15:16:15 +0800317LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
Daniel Schwierzeckc8f9c302011-07-18 06:09:15 +0000318endif
319
Kim Phillips4ab64932012-09-21 12:28:17 +0000320# Linus' kernel sanity checking tool
321CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
Wolfgang Denk93e14592013-10-04 17:43:24 +0200322 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
Kim Phillips4ab64932012-09-21 12:28:17 +0000323
wdenke2211742002-11-02 23:30:20 +0000324# Location of a usable BFD library, where we define "usable" as
325# "built for ${HOST}, supports ${TARGET}". Sensible values are
326# - When cross-compiling: the root of the cross-environment
327# - Linux/ppc (native): /usr
328# - NetBSD/ppc (native): you lose ... (must extract these from the
329# binutils build directory, plus the native and U-Boot include
330# files don't like each other)
331#
332# So far, this is used only by tools/gdb/Makefile.
333
Mike Frysinger4cda4372009-01-17 13:32:42 -0500334ifeq ($(HOSTOS),darwin)
wdenke2211742002-11-02 23:30:20 +0000335BFD_ROOT_DIR = /usr/local/tools
336else
wdenkea909b72002-11-21 23:11:29 +0000337ifeq ($(HOSTARCH),$(ARCH))
338# native
339BFD_ROOT_DIR = /usr
340else
wdenke2211742002-11-02 23:30:20 +0000341#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
342#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
wdenke2211742002-11-02 23:30:20 +0000343BFD_ROOT_DIR = /opt/powerpc
344endif
wdenkea909b72002-11-21 23:11:29 +0000345endif
wdenke2211742002-11-02 23:30:20 +0000346
wdenke2211742002-11-02 23:30:20 +0000347#########################################################################
348
Scott Woodd984fed2009-11-04 18:41:41 -0600349export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
Peter Tyser434c51a2008-11-12 13:06:48 -0600350 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200351export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
wdenke2211742002-11-02 23:30:20 +0000352
353#########################################################################
354
Mike Frysinger5ec55292009-06-14 09:33:00 -0400355# Allow boards to use custom optimize flags on a per dir/file basis
Mike Frysinger326a6942010-12-15 07:17:31 -0500356ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
357ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
Simon Glass47508842011-10-07 13:53:49 +0000358EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
359ALL_CFLAGS += $(EXTRA_CPPFLAGS)
360
361# The _DEP version uses the $< file target (for dependency generation)
362# See rules.mk
363EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
364 $(CPPFLAGS_$(BCURDIR))
Marian Balakowiczf9328632006-09-01 19:49:50 +0200365$(obj)%.s: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500366 $(CPP) $(ALL_AFLAGS) -o $@ $<
Marian Balakowiczf9328632006-09-01 19:49:50 +0200367$(obj)%.o: %.S
Mike Frysinger326a6942010-12-15 07:17:31 -0500368 $(CC) $(ALL_AFLAGS) -o $@ $< -c
Marian Balakowiczf9328632006-09-01 19:49:50 +0200369$(obj)%.o: %.c
Kim Phillips4ab64932012-09-21 12:28:17 +0000370ifneq ($(CHECKSRC),0)
371 $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
372endif
Mike Frysinger326a6942010-12-15 07:17:31 -0500373 $(CC) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400374$(obj)%.i: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500375 $(CPP) $(ALL_CFLAGS) -o $@ $< -c
Mike Frysinger31f30c92009-06-14 11:03:48 -0400376$(obj)%.s: %.c
Mike Frysinger326a6942010-12-15 07:17:31 -0500377 $(CC) $(ALL_CFLAGS) -o $@ $< -c -S
Marian Balakowiczf9328632006-09-01 19:49:50 +0200378
wdenke2211742002-11-02 23:30:20 +0000379#########################################################################
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100380
381# If the list of objects to link is empty, just create an empty built-in.o
382cmd_link_o_target = $(if $(strip $1),\
Nobuhiro Iwamatsu8aba9dc2011-01-06 10:23:54 +0900383 $(LD) $(LDFLAGS) -r -o $@ $1,\
Wolfgang Denk844f07d2010-11-27 23:30:56 +0100384 rm -f $@; $(AR) rcs $@ )
Sebastien Carlier6d8962e2010-11-05 15:48:07 +0100385
386#########################################################################