xref: /openbmc/u-boot/Makefile (revision 53bca5ab6a4fd561dfae0a3b72d709feda2260f3)
17ebf7443Swdenk#
2eca3aeb3SWolfgang Denk# (C) Copyright 2000-2013
37ebf7443Swdenk# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
47ebf7443Swdenk#
5eca3aeb3SWolfgang Denk# SPDX-License-Identifier:	GPL-2.0+
67ebf7443Swdenk#
77ebf7443Swdenk
8d19ad726STom RiniVERSION = 2014
9d19ad726STom RiniPATCHLEVEL = 01
10211e4754SWolfgang DenkSUBLEVEL =
11b44bd2c7STom RiniEXTRAVERSION =
125f30f3beSMasahiro YamadaNAME =
13ae6d1056SWolfgang Denk
146825a95bSMasahiro Yamada# *DOCUMENTATION*
156825a95bSMasahiro Yamada# To see a list of typical targets execute "make help"
166825a95bSMasahiro Yamada# More info can be located in ./README
176825a95bSMasahiro Yamada# Comments in this file are targeted only to the developer, do not
186825a95bSMasahiro Yamada# expect to learn how to build the kernel reading this file.
196825a95bSMasahiro Yamada
206825a95bSMasahiro Yamada# Do not:
216825a95bSMasahiro Yamada# o  use make's built-in rules and variables
226825a95bSMasahiro Yamada#    (this increases performance and avoids hard-to-debug behaviour);
236825a95bSMasahiro Yamada# o  print "Entering directory ...";
246825a95bSMasahiro YamadaMAKEFLAGS += -rR --no-print-directory
256825a95bSMasahiro Yamada
266825a95bSMasahiro Yamada# Avoid funny character set dependencies
276825a95bSMasahiro Yamadaunexport LC_ALL
286825a95bSMasahiro YamadaLC_COLLATE=C
296825a95bSMasahiro YamadaLC_NUMERIC=C
306825a95bSMasahiro Yamadaexport LC_COLLATE LC_NUMERIC
316825a95bSMasahiro Yamada
326825a95bSMasahiro Yamada# We are using a recursive build, so we need to do a little thinking
336825a95bSMasahiro Yamada# to get the ordering right.
346825a95bSMasahiro Yamada#
356825a95bSMasahiro Yamada# Most importantly: sub-Makefiles should only ever modify files in
366825a95bSMasahiro Yamada# their own directory. If in some directory we have a dependency on
376825a95bSMasahiro Yamada# a file in another dir (which doesn't happen often, but it's often
386825a95bSMasahiro Yamada# unavoidable when linking the built-in.o targets which finally
396825a95bSMasahiro Yamada# turn into vmlinux), we will call a sub make in that other dir, and
406825a95bSMasahiro Yamada# after that we are sure that everything which is in that other dir
416825a95bSMasahiro Yamada# is now up to date.
426825a95bSMasahiro Yamada#
436825a95bSMasahiro Yamada# The only cases where we need to modify files which have global
446825a95bSMasahiro Yamada# effects are thus separated out and done before the recursive
456825a95bSMasahiro Yamada# descending is started. They are now explicitly listed as the
466825a95bSMasahiro Yamada# prepare rule.
476825a95bSMasahiro Yamada
486825a95bSMasahiro Yamada# To put more focus on warnings, be less verbose as default
496825a95bSMasahiro Yamada# Use 'make V=1' to see the full commands
506825a95bSMasahiro Yamada
516825a95bSMasahiro Yamadaifeq ("$(origin V)", "command line")
526825a95bSMasahiro Yamada  KBUILD_VERBOSE = $(V)
536825a95bSMasahiro Yamadaendif
546825a95bSMasahiro Yamadaifndef KBUILD_VERBOSE
556825a95bSMasahiro Yamada  KBUILD_VERBOSE = 0
566825a95bSMasahiro Yamadaendif
576825a95bSMasahiro Yamada
586825a95bSMasahiro Yamada# Call a source code checker (by default, "sparse") as part of the
596825a95bSMasahiro Yamada# C compilation.
606825a95bSMasahiro Yamada#
616825a95bSMasahiro Yamada# Use 'make C=1' to enable checking of only re-compiled files.
626825a95bSMasahiro Yamada# Use 'make C=2' to enable checking of *all* source files, regardless
636825a95bSMasahiro Yamada# of whether they are re-compiled or not.
646825a95bSMasahiro Yamada#
656825a95bSMasahiro Yamada# See the file "Documentation/sparse.txt" for more details, including
666825a95bSMasahiro Yamada# where to get the "sparse" utility.
676825a95bSMasahiro Yamada
686825a95bSMasahiro Yamadaifeq ("$(origin C)", "command line")
696825a95bSMasahiro Yamada  KBUILD_CHECKSRC = $(C)
706825a95bSMasahiro Yamadaendif
716825a95bSMasahiro Yamadaifndef KBUILD_CHECKSRC
726825a95bSMasahiro Yamada  KBUILD_CHECKSRC = 0
736825a95bSMasahiro Yamadaendif
746825a95bSMasahiro Yamada
756825a95bSMasahiro Yamada# Use make M=dir to specify directory of external module to build
766825a95bSMasahiro Yamada# Old syntax make ... SUBDIRS=$PWD is still supported
776825a95bSMasahiro Yamada# Setting the environment variable KBUILD_EXTMOD take precedence
786825a95bSMasahiro Yamadaifdef SUBDIRS
796825a95bSMasahiro Yamada  KBUILD_EXTMOD ?= $(SUBDIRS)
806825a95bSMasahiro Yamadaendif
816825a95bSMasahiro Yamada
826825a95bSMasahiro Yamadaifeq ("$(origin M)", "command line")
836825a95bSMasahiro Yamada  KBUILD_EXTMOD := $(M)
846825a95bSMasahiro Yamadaendif
856825a95bSMasahiro Yamada
869e414032SMasahiro Yamada# kbuild supports saving output files in a separate directory.
879e414032SMasahiro Yamada# To locate output files in a separate directory two syntaxes are supported.
889e414032SMasahiro Yamada# In both cases the working directory must be the root of the kernel src.
899e414032SMasahiro Yamada# 1) O=
909e414032SMasahiro Yamada# Use "make O=dir/to/store/output/files/"
91f9328639SMarian Balakowicz#
929e414032SMasahiro Yamada# 2) Set KBUILD_OUTPUT
939e414032SMasahiro Yamada# Set the environment variable KBUILD_OUTPUT to point to the directory
949e414032SMasahiro Yamada# where the output files shall be placed.
959e414032SMasahiro Yamada# export KBUILD_OUTPUT=dir/to/store/output/files/
969e414032SMasahiro Yamada# make
97f9328639SMarian Balakowicz#
989e414032SMasahiro Yamada# The O= assignment takes precedence over the KBUILD_OUTPUT environment
999e414032SMasahiro Yamada# variable.
1007ebf7443Swdenk
1019e414032SMasahiro Yamada
1029e414032SMasahiro Yamada# KBUILD_SRC is set on invocation of make in OBJ directory
1039e414032SMasahiro Yamada# KBUILD_SRC is not intended to be used by the regular user (for now)
1049e414032SMasahiro Yamadaifeq ($(KBUILD_SRC),)
1059e414032SMasahiro Yamada
1069e414032SMasahiro Yamada# OK, Make called in directory where kernel src resides
1079e414032SMasahiro Yamada# Do we want to locate output files in a separate directory?
108f9328639SMarian Balakowiczifeq ("$(origin O)", "command line")
1099e414032SMasahiro Yamada  KBUILD_OUTPUT := $(O)
110f9328639SMarian Balakowiczendif
1117ebf7443Swdenk
1129e414032SMasahiro Yamadaifeq ("$(origin W)", "command line")
1139e414032SMasahiro Yamada  export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
1149e414032SMasahiro Yamadaendif
1159e414032SMasahiro Yamada
1169e414032SMasahiro Yamada# That's our default target when none is given on the command line
1179e414032SMasahiro YamadaPHONY := _all
1189e414032SMasahiro Yamada_all:
1199e414032SMasahiro Yamada
1209e414032SMasahiro Yamada# Cancel implicit rules on top Makefile
1219e414032SMasahiro Yamada$(CURDIR)/Makefile Makefile: ;
1229e414032SMasahiro Yamada
1239e414032SMasahiro Yamadaifneq ($(KBUILD_OUTPUT),)
1249e414032SMasahiro Yamada# Invoke a second make in the output directory, passing relevant variables
1259e414032SMasahiro Yamada# check that the output directory actually exists
1269e414032SMasahiro Yamadasaved-output := $(KBUILD_OUTPUT)
1279e414032SMasahiro YamadaKBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
1289e414032SMasahiro Yamada$(if $(KBUILD_OUTPUT),, \
1299e414032SMasahiro Yamada     $(error output directory "$(saved-output)" does not exist))
1309e414032SMasahiro Yamada
1319e414032SMasahiro YamadaPHONY += $(MAKECMDGOALS) sub-make
1329e414032SMasahiro Yamada
1339e414032SMasahiro Yamada$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
1349e414032SMasahiro Yamada	@:
1359e414032SMasahiro Yamada
1369e414032SMasahiro Yamadasub-make: FORCE
1379e414032SMasahiro Yamada	$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
1389e414032SMasahiro Yamada	KBUILD_SRC=$(CURDIR) \
1399e414032SMasahiro Yamada	KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
1409e414032SMasahiro Yamada	$(filter-out _all sub-make,$(MAKECMDGOALS))
1419e414032SMasahiro Yamada
1429e414032SMasahiro Yamada# Leave processing to above invocation of make
1439e414032SMasahiro Yamadaskip-makefile := 1
1449e414032SMasahiro Yamadaendif # ifneq ($(KBUILD_OUTPUT),)
1459e414032SMasahiro Yamadaendif # ifeq ($(KBUILD_SRC),)
1469e414032SMasahiro Yamada
1479e414032SMasahiro Yamada# We process the rest of the Makefile if this is the final invocation of make
1489e414032SMasahiro Yamadaifeq ($(skip-makefile),)
1499e414032SMasahiro Yamada
1506825a95bSMasahiro Yamada# If building an external module we do not care about the all: rule
1516825a95bSMasahiro Yamada# but instead _all depend on modules
1529e414032SMasahiro YamadaPHONY += all
1536825a95bSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),)
1549e414032SMasahiro Yamada_all: all
1556825a95bSMasahiro Yamadaelse
1566825a95bSMasahiro Yamada_all: modules
1576825a95bSMasahiro Yamadaendif
1589e414032SMasahiro Yamada
1599e414032SMasahiro Yamadasrctree		:= $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
1609e414032SMasahiro Yamadaobjtree		:= $(CURDIR)
1619e414032SMasahiro Yamadasrc		:= $(srctree)
1629e414032SMasahiro Yamadaobj		:= $(objtree)
1639e414032SMasahiro Yamada
1649e414032SMasahiro YamadaVPATH		:= $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
1659e414032SMasahiro Yamada
1669e414032SMasahiro Yamadaexport srctree objtree VPATH
1679e414032SMasahiro Yamada
1689e414032SMasahiro YamadaOBJTREE		:= $(objtree)
169c8f9c302SDaniel SchwierzeckSPLTREE		:= $(OBJTREE)/spl
1703aa29de0SYing ZhangTPLTREE		:= $(OBJTREE)/tpl
1719e414032SMasahiro YamadaSRCTREE		:= $(srctree)
172f9328639SMarian BalakowiczTOPDIR		:= $(SRCTREE)
1739e414032SMasahiro Yamadaexport	TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
174f9328639SMarian Balakowicz
175f9328639SMarian BalakowiczMKCONFIG	:= $(SRCTREE)/mkconfig
176f9328639SMarian Balakowiczexport MKCONFIG
177f9328639SMarian Balakowicz
1785013c09fSWolfgang Denk# Make sure CDPATH settings don't interfere
1795013c09fSWolfgang Denkunexport CDPATH
1805013c09fSWolfgang Denk
181f9328639SMarian Balakowicz#########################################################################
182f9328639SMarian Balakowicz
1835f30f3beSMasahiro YamadaTIMESTAMP_FILE = include/generated/timestamp_autogenerated.h
1845f30f3beSMasahiro YamadaVERSION_FILE = include/generated/version_autogenerated.h
1855f30f3beSMasahiro Yamada
1865f30f3beSMasahiro YamadaHOSTARCH := $(shell uname -m | \
1875f30f3beSMasahiro Yamada	sed -e s/i.86/x86/ \
1885f30f3beSMasahiro Yamada	    -e s/sun4u/sparc64/ \
1895f30f3beSMasahiro Yamada	    -e s/arm.*/arm/ \
1905f30f3beSMasahiro Yamada	    -e s/sa110/arm/ \
1915f30f3beSMasahiro Yamada	    -e s/ppc64/powerpc/ \
1925f30f3beSMasahiro Yamada	    -e s/ppc/powerpc/ \
1935f30f3beSMasahiro Yamada	    -e s/macppc/powerpc/\
1945f30f3beSMasahiro Yamada	    -e s/sh.*/sh/)
1955f30f3beSMasahiro Yamada
1965f30f3beSMasahiro YamadaHOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
1975f30f3beSMasahiro Yamada	    sed -e 's/\(cygwin\).*/cygwin/')
1985f30f3beSMasahiro Yamada
1995f30f3beSMasahiro Yamadaexport	HOSTARCH HOSTOS
2005f30f3beSMasahiro Yamada
2015f30f3beSMasahiro Yamada# Deal with colliding definitions from tcsh etc.
2025f30f3beSMasahiro YamadaVENDOR=
2035f30f3beSMasahiro Yamada
2045f30f3beSMasahiro Yamada#########################################################################
2055f30f3beSMasahiro Yamada
2061ea6bcd8SMike Frysinger# set default to nothing for native builds
207a5284efdSWolfgang Denkifeq ($(HOSTARCH),$(ARCH))
2081ea6bcd8SMike FrysingerCROSS_COMPILE ?=
2097ebf7443Swdenkendif
2107ebf7443Swdenk
211f6322eb7SMasahiro Yamada# SHELL used by kbuild
212f6322eb7SMasahiro YamadaCONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
213f6322eb7SMasahiro Yamada	  else if [ -x /bin/bash ]; then echo /bin/bash; \
214f6322eb7SMasahiro Yamada	  else echo sh; fi ; fi)
215f6322eb7SMasahiro Yamada
216f6322eb7SMasahiro YamadaHOSTCC       = gcc
217f6322eb7SMasahiro YamadaHOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
218f6322eb7SMasahiro Yamada
219f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),cygwin)
220f6322eb7SMasahiro YamadaHOSTCFLAGS	+= -ansi
221f6322eb7SMasahiro Yamadaendif
222f6322eb7SMasahiro Yamada
223f6322eb7SMasahiro Yamada# Mac OS X / Darwin's C preprocessor is Apple specific.  It
224f6322eb7SMasahiro Yamada# generates numerous errors and warnings.  We want to bypass it
225f6322eb7SMasahiro Yamada# and use GNU C's cpp.	To do this we pass the -traditional-cpp
226f6322eb7SMasahiro Yamada# option to the compiler.  Note that the -traditional-cpp flag
227f6322eb7SMasahiro Yamada# DOES NOT have the same semantics as GNU C's flag, all it does
228f6322eb7SMasahiro Yamada# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
229f6322eb7SMasahiro Yamada#
230f6322eb7SMasahiro Yamada# Apple's linker is similar, thanks to the new 2 stage linking
231f6322eb7SMasahiro Yamada# multiple symbol definitions are treated as errors, hence the
232f6322eb7SMasahiro Yamada# -multiply_defined suppress option to turn off this error.
233f6322eb7SMasahiro Yamada#
234f6322eb7SMasahiro Yamadaifeq ($(HOSTOS),darwin)
235f6322eb7SMasahiro Yamada# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
236f6322eb7SMasahiro YamadaDARWIN_MAJOR_VERSION	= $(shell sw_vers -productVersion | cut -f 1 -d '.')
237f6322eb7SMasahiro YamadaDARWIN_MINOR_VERSION	= $(shell sw_vers -productVersion | cut -f 2 -d '.')
238f6322eb7SMasahiro Yamada
239f6322eb7SMasahiro Yamadaos_x_before	= $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
240f6322eb7SMasahiro Yamada	$(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
241f6322eb7SMasahiro Yamada
242f6322eb7SMasahiro Yamada# Snow Leopards build environment has no longer restrictions as described above
243f6322eb7SMasahiro YamadaHOSTCC       = $(call os_x_before, 10, 5, "cc", "gcc")
244f6322eb7SMasahiro YamadaHOSTCFLAGS  += $(call os_x_before, 10, 4, "-traditional-cpp")
245f6322eb7SMasahiro YamadaHOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
246f6322eb7SMasahiro Yamadaendif
247f6322eb7SMasahiro Yamada
2486825a95bSMasahiro Yamada# Decide whether to build built-in, modular, or both.
2496825a95bSMasahiro Yamada# Normally, just do built-in.
2506825a95bSMasahiro Yamada
2516825a95bSMasahiro YamadaKBUILD_MODULES :=
2526825a95bSMasahiro YamadaKBUILD_BUILTIN := 1
2536825a95bSMasahiro Yamada
2546825a95bSMasahiro Yamada#	If we have only "make modules", don't compile built-in objects.
2556825a95bSMasahiro Yamada#	When we're building modules with modversions, we need to consider
2566825a95bSMasahiro Yamada#	the built-in objects during the descend as well, in order to
2576825a95bSMasahiro Yamada#	make sure the checksums are up to date before we record them.
2586825a95bSMasahiro Yamada
2596825a95bSMasahiro Yamadaifeq ($(MAKECMDGOALS),modules)
2606825a95bSMasahiro Yamada  KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
2616825a95bSMasahiro Yamadaendif
2626825a95bSMasahiro Yamada
2636825a95bSMasahiro Yamada#	If we have "make <whatever> modules", compile modules
2646825a95bSMasahiro Yamada#	in addition to whatever we do anyway.
2656825a95bSMasahiro Yamada#	Just "make" or "make all" shall build modules as well
2666825a95bSMasahiro Yamada
2676825a95bSMasahiro Yamada# U-Boot does not need modules
2686825a95bSMasahiro Yamada#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
2696825a95bSMasahiro Yamada#  KBUILD_MODULES := 1
2706825a95bSMasahiro Yamada#endif
2716825a95bSMasahiro Yamada
2726825a95bSMasahiro Yamada#ifeq ($(MAKECMDGOALS),)
2736825a95bSMasahiro Yamada#  KBUILD_MODULES := 1
2746825a95bSMasahiro Yamada#endif
2756825a95bSMasahiro Yamada
2766825a95bSMasahiro Yamadaexport KBUILD_MODULES KBUILD_BUILTIN
2776825a95bSMasahiro Yamadaexport KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
2786825a95bSMasahiro Yamada
2796825a95bSMasahiro Yamada# Beautify output
2806825a95bSMasahiro Yamada# ---------------------------------------------------------------------------
2816825a95bSMasahiro Yamada#
2826825a95bSMasahiro Yamada# Normally, we echo the whole command before executing it. By making
2836825a95bSMasahiro Yamada# that echo $($(quiet)$(cmd)), we now have the possibility to set
2846825a95bSMasahiro Yamada# $(quiet) to choose other forms of output instead, e.g.
2856825a95bSMasahiro Yamada#
2866825a95bSMasahiro Yamada#         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
2876825a95bSMasahiro Yamada#         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
2886825a95bSMasahiro Yamada#
2896825a95bSMasahiro Yamada# If $(quiet) is empty, the whole command will be printed.
2906825a95bSMasahiro Yamada# If it is set to "quiet_", only the short version will be printed.
2916825a95bSMasahiro Yamada# If it is set to "silent_", nothing will be printed at all, since
2926825a95bSMasahiro Yamada# the variable $(silent_cmd_cc_o_c) doesn't exist.
2936825a95bSMasahiro Yamada#
2946825a95bSMasahiro Yamada# A simple variant is to prefix commands with $(Q) - that's useful
2956825a95bSMasahiro Yamada# for commands that shall be hidden in non-verbose mode.
2966825a95bSMasahiro Yamada#
2976825a95bSMasahiro Yamada#	$(Q)ln $@ :<
2986825a95bSMasahiro Yamada#
2996825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
3006825a95bSMasahiro Yamada# If KBUILD_VERBOSE equals 1 then the above command is displayed.
3016825a95bSMasahiro Yamada
3026825a95bSMasahiro Yamadaifeq ($(KBUILD_VERBOSE),1)
3036825a95bSMasahiro Yamada  quiet =
3046825a95bSMasahiro Yamada  Q =
3056825a95bSMasahiro Yamadaelse
3066825a95bSMasahiro Yamada  quiet=quiet_
3076825a95bSMasahiro Yamada  Q = @
3086825a95bSMasahiro Yamadaendif
3096825a95bSMasahiro Yamada
3106825a95bSMasahiro Yamada# If the user is running make -s (silent mode), suppress echoing of
3116825a95bSMasahiro Yamada# commands
3126825a95bSMasahiro Yamada
3136825a95bSMasahiro Yamadaifneq ($(filter s% -s%,$(MAKEFLAGS)),)
3146825a95bSMasahiro Yamada  quiet=silent_
3156825a95bSMasahiro Yamadaendif
3166825a95bSMasahiro Yamada
3176825a95bSMasahiro Yamadaexport quiet Q KBUILD_VERBOSE
3186825a95bSMasahiro Yamada
3196825a95bSMasahiro Yamada
3209e414032SMasahiro Yamada# Look for make include files relative to root of kernel src
3219e414032SMasahiro YamadaMAKEFLAGS += --include-dir=$(srctree)
3229e414032SMasahiro Yamada
323bf4b3de1SMasahiro Yamada# We need some generic definitions (do not try to remake the file).
324bf4b3de1SMasahiro Yamada$(srctree)/scripts/Kbuild.include: ;
325bf4b3de1SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include
326bf4b3de1SMasahiro Yamada
327f6322eb7SMasahiro Yamada# Make variables (CC, etc...)
328f6322eb7SMasahiro Yamada
329f6322eb7SMasahiro YamadaAS		= $(CROSS_COMPILE)as
330f6322eb7SMasahiro Yamada# Always use GNU ld
331f6322eb7SMasahiro Yamadaifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
332f6322eb7SMasahiro YamadaLD		= $(CROSS_COMPILE)ld.bfd
333f6322eb7SMasahiro Yamadaelse
334f6322eb7SMasahiro YamadaLD		= $(CROSS_COMPILE)ld
335f6322eb7SMasahiro Yamadaendif
336f6322eb7SMasahiro YamadaCC		= $(CROSS_COMPILE)gcc
337f6322eb7SMasahiro YamadaCPP		= $(CC) -E
338f6322eb7SMasahiro YamadaAR		= $(CROSS_COMPILE)ar
339f6322eb7SMasahiro YamadaNM		= $(CROSS_COMPILE)nm
340f6322eb7SMasahiro YamadaLDR		= $(CROSS_COMPILE)ldr
341f6322eb7SMasahiro YamadaSTRIP		= $(CROSS_COMPILE)strip
342f6322eb7SMasahiro YamadaOBJCOPY		= $(CROSS_COMPILE)objcopy
343f6322eb7SMasahiro YamadaOBJDUMP		= $(CROSS_COMPILE)objdump
344f6322eb7SMasahiro YamadaAWK		= awk
345f6322eb7SMasahiro YamadaRANLIB		= $(CROSS_COMPILE)RANLIB
346f6322eb7SMasahiro YamadaDTC		= dtc
347f6322eb7SMasahiro YamadaCHECK		= sparse
348f6322eb7SMasahiro Yamada
349f6322eb7SMasahiro YamadaCHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
350f6322eb7SMasahiro Yamada		  -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
351f6322eb7SMasahiro Yamada
3522b3c9d3dSMasahiro YamadaKBUILD_CPPFLAGS := -D__KERNEL__
3532b3c9d3dSMasahiro Yamada
3542b3c9d3dSMasahiro YamadaKBUILD_CFLAGS   := -Wall -Wstrict-prototypes \
3552b3c9d3dSMasahiro Yamada		   -Wno-format-security \
3562b3c9d3dSMasahiro Yamada		   -fno-builtin -ffreestanding
3572b3c9d3dSMasahiro YamadaKBUILD_AFLAGS   := -D__ASSEMBLY__
3582b3c9d3dSMasahiro Yamada
3595f30f3beSMasahiro YamadaU_BOOT_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
3605f30f3beSMasahiro Yamada
3615f30f3beSMasahiro Yamadaexport VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION
362433b2f1eSMasahiro Yamadaexport ARCH CPU BOARD VENDOR SOC
363f6322eb7SMasahiro Yamadaexport CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
364f6322eb7SMasahiro Yamadaexport CPP AR NM LDR STRIP OBJCOPY OBJDUMP
365f6322eb7SMasahiro Yamadaexport MAKE AWK
366f6322eb7SMasahiro Yamadaexport DTC CHECK CHECKFLAGS
367f6322eb7SMasahiro Yamada
368fea1ca8eSMasahiro Yamadaexport KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
3692b3c9d3dSMasahiro Yamadaexport KBUILD_CFLAGS KBUILD_AFLAGS
3702b3c9d3dSMasahiro Yamada
3716825a95bSMasahiro Yamada# When compiling out-of-tree modules, put MODVERDIR in the module
3726825a95bSMasahiro Yamada# tree rather than in the kernel tree. The kernel tree might
3736825a95bSMasahiro Yamada# even be read-only.
3746825a95bSMasahiro Yamadaexport MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
3756825a95bSMasahiro Yamada
3766825a95bSMasahiro Yamada# Files to ignore in find ... statements
3776825a95bSMasahiro Yamada
3786825a95bSMasahiro YamadaRCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \
3796825a95bSMasahiro Yamada		   -o -name .pc -o -name .hg -o -name .git \) -prune -o
3806825a95bSMasahiro Yamadaexport RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
3816825a95bSMasahiro Yamada			 --exclude CVS --exclude .pc --exclude .hg --exclude .git
3826825a95bSMasahiro Yamada
3836825a95bSMasahiro Yamada# ===========================================================================
3846825a95bSMasahiro Yamada# Rules shared between *config targets and build targets
3856825a95bSMasahiro Yamada
3866825a95bSMasahiro Yamada# Basic helpers built in scripts/
3876825a95bSMasahiro YamadaPHONY += scripts_basic
3886825a95bSMasahiro Yamadascripts_basic:
3896825a95bSMasahiro Yamada	$(Q)$(MAKE) $(build)=scripts/basic
3906825a95bSMasahiro Yamada	$(Q)rm -f .tmp_quiet_recordmcount
3916825a95bSMasahiro Yamada
3926825a95bSMasahiro Yamada# To avoid any implicit rule to kick in, define an empty command.
3936825a95bSMasahiro Yamadascripts/basic/%: scripts_basic ;
3946825a95bSMasahiro Yamada
395433b2f1eSMasahiro Yamada# To make sure we do not include .config for any of the *config targets
396433b2f1eSMasahiro Yamada# catch them early, and hand them over to scripts/kconfig/Makefile
397433b2f1eSMasahiro Yamada# It is allowed to specify more targets when calling make, including
398433b2f1eSMasahiro Yamada# mixing *config targets and build targets.
399433b2f1eSMasahiro Yamada# For example 'make oldconfig all'.
400433b2f1eSMasahiro Yamada# Detect when mixed targets is specified, and make a second invocation
401433b2f1eSMasahiro Yamada# of make so .config is not included in this case either (for *config).
4026825a95bSMasahiro Yamada
403433b2f1eSMasahiro Yamadano-dot-config-targets := clean clobber mrproper distclean \
404433b2f1eSMasahiro Yamada			 cscope TAGS %tags help %docs check% coccicheck \
405433b2f1eSMasahiro Yamada			 backup
4062b3c9d3dSMasahiro Yamada
407433b2f1eSMasahiro Yamadaconfig-targets := 0
408433b2f1eSMasahiro Yamadamixed-targets  := 0
409433b2f1eSMasahiro Yamadadot-config     := 1
4102b3c9d3dSMasahiro Yamada
411433b2f1eSMasahiro Yamadaifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
412433b2f1eSMasahiro Yamada	ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
413433b2f1eSMasahiro Yamada		dot-config := 0
4142b3c9d3dSMasahiro Yamada	endif
4152b3c9d3dSMasahiro Yamadaendif
4162b3c9d3dSMasahiro Yamada
417433b2f1eSMasahiro Yamadaifeq ($(KBUILD_EXTMOD),)
418433b2f1eSMasahiro Yamada        ifneq ($(filter config %config,$(MAKECMDGOALS)),)
419433b2f1eSMasahiro Yamada                config-targets := 1
420433b2f1eSMasahiro Yamada                ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
421433b2f1eSMasahiro Yamada                        mixed-targets := 1
422433b2f1eSMasahiro Yamada                endif
423433b2f1eSMasahiro Yamada        endif
424433b2f1eSMasahiro Yamadaendif
425433b2f1eSMasahiro Yamada
426433b2f1eSMasahiro Yamadaifeq ($(mixed-targets),1)
427433b2f1eSMasahiro Yamada# ===========================================================================
428433b2f1eSMasahiro Yamada# We're called with mixed targets (*config and build targets).
429433b2f1eSMasahiro Yamada# Handle them one by one.
430433b2f1eSMasahiro Yamada
431*53bca5abSMasahiro YamadaPHONY += $(MAKECMDGOALS) build-one-by-one
432*53bca5abSMasahiro Yamada
433*53bca5abSMasahiro Yamada$(MAKECMDGOALS): build-one-by-one
434*53bca5abSMasahiro Yamada	@:
435*53bca5abSMasahiro Yamada
436*53bca5abSMasahiro Yamadabuild-one-by-one:
437*53bca5abSMasahiro Yamada	$(Q)set -e; \
438*53bca5abSMasahiro Yamada	for i in $(MAKECMDGOALS); do \
439*53bca5abSMasahiro Yamada		$(MAKE) -f $(srctree)/Makefile $$i; \
440*53bca5abSMasahiro Yamada	done
441433b2f1eSMasahiro Yamada
442433b2f1eSMasahiro Yamadaelse
443433b2f1eSMasahiro Yamadaifeq ($(config-targets),1)
444433b2f1eSMasahiro Yamada# ===========================================================================
445433b2f1eSMasahiro Yamada# *config targets only - make sure prerequisites are updated, and descend
446433b2f1eSMasahiro Yamada# in scripts/kconfig to make the *config target
447433b2f1eSMasahiro Yamada
448433b2f1eSMasahiro Yamada# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
449433b2f1eSMasahiro Yamada# KBUILD_DEFCONFIG may point out an alternative default configuration
450433b2f1eSMasahiro Yamada# used for 'make defconfig'
451433b2f1eSMasahiro Yamada
452433b2f1eSMasahiro Yamada%_config::
453433b2f1eSMasahiro Yamada	@$(MKCONFIG) -A $(@:_config=)
454433b2f1eSMasahiro Yamada
455433b2f1eSMasahiro Yamadaelse
456433b2f1eSMasahiro Yamada# ===========================================================================
457433b2f1eSMasahiro Yamada# Build targets only - this includes vmlinux, arch specific targets, clean
458433b2f1eSMasahiro Yamada# targets and others. In general all targets except *config targets.
459433b2f1eSMasahiro Yamada
460433b2f1eSMasahiro Yamada# load ARCH, BOARD, and CPU configuration
461433b2f1eSMasahiro Yamada-include include/config.mk
462433b2f1eSMasahiro Yamada
463433b2f1eSMasahiro Yamadaifeq ($(dot-config),1)
464433b2f1eSMasahiro Yamada# Read in config
465433b2f1eSMasahiro Yamada-include include/autoconf.mk
466433b2f1eSMasahiro Yamada-include include/autoconf.mk.dep
467433b2f1eSMasahiro Yamada
46892b197f0SWolfgang Denk# load other configuration
469433b2f1eSMasahiro Yamadainclude $(srctree)/config.mk
47092b197f0SWolfgang Denk
471433b2f1eSMasahiro Yamadaifeq ($(wildcard include/config.mk),)
472433b2f1eSMasahiro Yamada$(error "System not configured - see README")
473ced0715dSMasahiro Yamadaendif
474ced0715dSMasahiro Yamada
475ced0715dSMasahiro Yamadaifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
476ced0715dSMasahiro Yamadaifneq ($(CONFIG_SYS_GENERIC_BOARD),)
477433b2f1eSMasahiro Yamada$(error Your architecture does not support generic board. \
478ced0715dSMasahiro YamadaPlease undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
479ced0715dSMasahiro Yamadaendif
480fada9e20SSimon Glassendif
4816825a95bSMasahiro Yamada
482d51dfff7SIlya Yanok# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
483d51dfff7SIlya Yanok# that (or fail if absent).  Otherwise, search for a linker script in a
484d51dfff7SIlya Yanok# standard location.
485d51dfff7SIlya Yanok
486ee60197eSSimon GlassLDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
487ee60197eSSimon Glass
488d51dfff7SIlya Yanokifndef LDSCRIPT
489d51dfff7SIlya Yanok	#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
490d51dfff7SIlya Yanok	ifdef CONFIG_SYS_LDSCRIPT
491d51dfff7SIlya Yanok		# need to strip off double quotes
492a8c07541SMasahiro Yamada		LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
493d51dfff7SIlya Yanok	endif
494d51dfff7SIlya Yanokendif
495d51dfff7SIlya Yanok
496ee60197eSSimon Glass# If there is no specified link script, we look in a number of places for it
497d51dfff7SIlya Yanokifndef LDSCRIPT
498d51dfff7SIlya Yanok	ifeq ($(CONFIG_NAND_U_BOOT),y)
499d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
500d51dfff7SIlya Yanok		ifeq ($(wildcard $(LDSCRIPT)),)
501d51dfff7SIlya Yanok			LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
502d51dfff7SIlya Yanok		endif
503d51dfff7SIlya Yanok	endif
504d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
505d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
506d51dfff7SIlya Yanok	endif
507d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
508d51dfff7SIlya Yanok		LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
509d51dfff7SIlya Yanok	endif
510d51dfff7SIlya Yanok	ifeq ($(wildcard $(LDSCRIPT)),)
511ee60197eSSimon Glass		LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
512ee60197eSSimon Glass		# We don't expect a Makefile here
513ee60197eSSimon Glass		LDSCRIPT_MAKEFILE_DIR =
514ee60197eSSimon Glass	endif
515ee60197eSSimon Glass	ifeq ($(wildcard $(LDSCRIPT)),)
516d51dfff7SIlya Yanok$(error could not find linker script)
517d51dfff7SIlya Yanok	endif
518d51dfff7SIlya Yanokendif
519d51dfff7SIlya Yanok
520433b2f1eSMasahiro Yamadaelse
521433b2f1eSMasahiro Yamada
522433b2f1eSMasahiro Yamada
523433b2f1eSMasahiro Yamadaendif # $(dot-config)
524433b2f1eSMasahiro Yamada
525433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -Os #-fomit-frame-pointer
526433b2f1eSMasahiro Yamada
527433b2f1eSMasahiro Yamadaifdef BUILD_TAG
528433b2f1eSMasahiro YamadaKBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
529433b2f1eSMasahiro Yamadaendif
530433b2f1eSMasahiro Yamada
531433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
532433b2f1eSMasahiro Yamada
533433b2f1eSMasahiro YamadaKBUILD_CFLAGS	+= -g
534433b2f1eSMasahiro Yamada# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
535433b2f1eSMasahiro Yamada# option to the assembler.
536433b2f1eSMasahiro YamadaKBUILD_AFLAGS	+= -g
537433b2f1eSMasahiro Yamada
538433b2f1eSMasahiro Yamada# Report stack usage if supported
539433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-fstack-usage)
540433b2f1eSMasahiro Yamada
541433b2f1eSMasahiro YamadaKBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
542433b2f1eSMasahiro Yamada
543433b2f1eSMasahiro Yamada# turn jbsr into jsr for m68k
544433b2f1eSMasahiro Yamadaifeq ($(ARCH),m68k)
545433b2f1eSMasahiro Yamadaifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
546433b2f1eSMasahiro YamadaKBUILD_AFLAGS += -Wa,-gstabs,-S
547433b2f1eSMasahiro Yamadaendif
548433b2f1eSMasahiro Yamadaendif
549433b2f1eSMasahiro Yamada
550433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),)
551433b2f1eSMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
552433b2f1eSMasahiro Yamadaendif
553433b2f1eSMasahiro Yamada
554433b2f1eSMasahiro Yamadaexport CONFIG_SYS_TEXT_BASE
555433b2f1eSMasahiro Yamada
556433b2f1eSMasahiro Yamada# Use UBOOTINCLUDE when you must reference the include/ directory.
557433b2f1eSMasahiro Yamada# Needed to be compatible with the O= option
558433b2f1eSMasahiro YamadaUBOOTINCLUDE    :=
559433b2f1eSMasahiro Yamadaifneq ($(OBJTREE),$(SRCTREE))
560433b2f1eSMasahiro YamadaUBOOTINCLUDE	+= -I$(OBJTREE)/include
561433b2f1eSMasahiro Yamadaendif
562433b2f1eSMasahiro YamadaUBOOTINCLUDE	+= -I$(srctree)/include \
563433b2f1eSMasahiro Yamada		-I$(srctree)/arch/$(ARCH)/include
564433b2f1eSMasahiro Yamada
565433b2f1eSMasahiro YamadaNOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
566433b2f1eSMasahiro YamadaCHECKFLAGS     += $(NOSTDINC_FLAGS)
567433b2f1eSMasahiro Yamada
568433b2f1eSMasahiro Yamada# FIX ME
569433b2f1eSMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
570433b2f1eSMasahiro Yamadac_flags := $(KBUILD_CFLAGS) $(cpp_flags)
571433b2f1eSMasahiro Yamada
572656de6b8SMasahiro Yamada.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE)
573433b2f1eSMasahiro Yamada
5747ebf7443Swdenk#########################################################################
5757ebf7443Swdenk# U-Boot objects....order is important (i.e. start must be first)
5767ebf7443Swdenk
577e8a8b824SMasahiro Yamadahead-y := $(CPUDIR)/start.o
578e8a8b824SMasahiro Yamadahead-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
579e8a8b824SMasahiro Yamadahead-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
5807ebf7443Swdenk
5819e414032SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
5828b5a0264SDaniel Schwierzeck
583656de6b8SMasahiro Yamadalibs-y += lib/
584656de6b8SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
585656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/
5861d9f4105Swdenkifdef SOC
587656de6b8SMasahiro Yamadalibs-y += $(CPUDIR)/$(SOC)/
5881d9f4105Swdenkendif
589656de6b8SMasahiro Yamadalibs-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
590656de6b8SMasahiro Yamadalibs-$(CONFIG_OF_EMBED) += dts/
591656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/lib/
592656de6b8SMasahiro Yamadalibs-y += fs/
593656de6b8SMasahiro Yamadalibs-y += net/
594656de6b8SMasahiro Yamadalibs-y += disk/
595656de6b8SMasahiro Yamadalibs-y += drivers/
596656de6b8SMasahiro Yamadalibs-y += drivers/dma/
597656de6b8SMasahiro Yamadalibs-y += drivers/gpio/
598656de6b8SMasahiro Yamadalibs-y += drivers/i2c/
599656de6b8SMasahiro Yamadalibs-y += drivers/input/
600656de6b8SMasahiro Yamadalibs-y += drivers/mmc/
601656de6b8SMasahiro Yamadalibs-y += drivers/mtd/
602656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
603656de6b8SMasahiro Yamadalibs-y += drivers/mtd/onenand/
604656de6b8SMasahiro Yamadalibs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
605656de6b8SMasahiro Yamadalibs-y += drivers/mtd/spi/
606656de6b8SMasahiro Yamadalibs-y += drivers/net/
607656de6b8SMasahiro Yamadalibs-y += drivers/net/phy/
608656de6b8SMasahiro Yamadalibs-y += drivers/pci/
609656de6b8SMasahiro Yamadalibs-y += drivers/power/ \
610e2906a59SMasahiro Yamada	drivers/power/fuel_gauge/ \
611e2906a59SMasahiro Yamada	drivers/power/mfd/ \
612e2906a59SMasahiro Yamada	drivers/power/pmic/ \
613e2906a59SMasahiro Yamada	drivers/power/battery/
614656de6b8SMasahiro Yamadalibs-y += drivers/spi/
615656de6b8SMasahiro Yamadalibs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
616656de6b8SMasahiro Yamadalibs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
617656de6b8SMasahiro Yamadalibs-y += drivers/serial/
618656de6b8SMasahiro Yamadalibs-y += drivers/usb/eth/
619656de6b8SMasahiro Yamadalibs-y += drivers/usb/gadget/
620656de6b8SMasahiro Yamadalibs-y += drivers/usb/host/
621656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb/
622656de6b8SMasahiro Yamadalibs-y += drivers/usb/musb-new/
623656de6b8SMasahiro Yamadalibs-y += drivers/usb/phy/
624656de6b8SMasahiro Yamadalibs-y += drivers/usb/ulpi/
625656de6b8SMasahiro Yamadalibs-y += common/
626656de6b8SMasahiro Yamadalibs-y += lib/libfdt/
627656de6b8SMasahiro Yamadalibs-$(CONFIG_API) += api/
628656de6b8SMasahiro Yamadalibs-$(CONFIG_HAS_POST) += post/
629656de6b8SMasahiro Yamadalibs-y += test/
630f9328639SMarian Balakowicz
63124e8bee5SAlison Wangifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
632656de6b8SMasahiro Yamadalibs-y += arch/$(ARCH)/imx-common/
63318936ee2SJason Liuendif
63418936ee2SJason Liu
635656de6b8SMasahiro Yamadalibs-$(CONFIG_ARM) += arch/arm/cpu/
636656de6b8SMasahiro Yamadalibs-$(CONFIG_PPC) += arch/powerpc/cpu/
637852bd07cSMinkyu Kang
638656de6b8SMasahiro Yamadalibs-y += board/$(BOARDDIR)/
63908e39a84SMasahiro Yamada
640656de6b8SMasahiro Yamadalibs-y := $(sort $(libs-y))
641656de6b8SMasahiro Yamada
642656de6b8SMasahiro Yamadau-boot-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
643656de6b8SMasahiro Yamada
644656de6b8SMasahiro Yamadau-boot-alldirs	:= $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
645656de6b8SMasahiro Yamada
646656de6b8SMasahiro Yamadalibs-y		:= $(patsubst %/, %/built-in.o, $(libs-y))
647656de6b8SMasahiro Yamada
648656de6b8SMasahiro Yamadau-boot-init := $(head-y)
649656de6b8SMasahiro Yamadau-boot-main := $(libs-y)
650656de6b8SMasahiro Yamada
651a8c7c708Swdenk
6524f7cb08eSwdenk# Add GCC lib
65352b1bf2cSWolfgang Denkifdef USE_PRIVATE_LIBGCC
65452b1bf2cSWolfgang Denkifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
6556825a95bSMasahiro YamadaPLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/lib.a
65652b1bf2cSWolfgang Denkelse
65752b1bf2cSWolfgang DenkPLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
65852b1bf2cSWolfgang Denkendif
65952b1bf2cSWolfgang Denkelse
6606825a95bSMasahiro YamadaPLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
66152b1bf2cSWolfgang Denkendif
66252b1bf2cSWolfgang DenkPLATFORM_LIBS += $(PLATFORM_LIBGCC)
66352b1bf2cSWolfgang Denkexport PLATFORM_LIBS
6643d3befa7Swdenk
6656ac9f479SMike Frysinger# Special flags for CPP when processing the linker script.
6666ac9f479SMike Frysinger# Pass the version down so we can handle backwards compatibility
6676ac9f479SMike Frysinger# on the fly.
6686ac9f479SMike FrysingerLDPPFLAGS += \
6696ac9f479SMike Frysinger	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
6707e6403a6SSimon Glass	-DCPUDIR=$(CPUDIR) \
6716ac9f479SMike Frysinger	$(shell $(LD) --version | \
6726ac9f479SMike Frysinger	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
6736ac9f479SMike Frysinger
6747ebf7443Swdenk#########################################################################
675bdccc4feSwdenk#########################################################################
6767ebf7443Swdenk
677f3a14d37SMike Frysingerifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
678f3a14d37SMike FrysingerBOARD_SIZE_CHECK = \
679f3a14d37SMike Frysinger	@actual=`wc -c $@ | awk '{print $$1}'`; \
680d060e6f4SJoe Hershberger	limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
681f3a14d37SMike Frysinger	if test $$actual -gt $$limit; then \
682d060e6f4SJoe Hershberger		echo "$@ exceeds file size limit:" >&2 ; \
683d060e6f4SJoe Hershberger		echo "  limit:  $$limit bytes" >&2 ; \
684d060e6f4SJoe Hershberger		echo "  actual: $$actual bytes" >&2 ; \
685d060e6f4SJoe Hershberger		echo "  excess: $$((actual - limit)) bytes" >&2; \
686f3a14d37SMike Frysinger		exit 1; \
687f3a14d37SMike Frysinger	fi
688f3a14d37SMike Frysingerelse
689f3a14d37SMike FrysingerBOARD_SIZE_CHECK =
690f3a14d37SMike Frysingerendif
691f3a14d37SMike Frysinger
6928137af19SScott Wood# Statically apply RELA-style relocations (currently arm64 only)
6938137af19SScott Woodifneq ($(CONFIG_STATIC_RELA),)
6948137af19SScott Wood# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
6958137af19SScott WoodDO_STATIC_RELA = \
6968137af19SScott Wood	start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
6978137af19SScott Wood	end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
6989e414032SMasahiro Yamada	tools/relocate-rela $(2) $(3) $$start $$end
6998137af19SScott Woodelse
7008137af19SScott WoodDO_STATIC_RELA =
7018137af19SScott Woodendif
7028137af19SScott Wood
7033e88337bSMike Frysinger# Always append ALL so that arch config.mk's can add custom ones
7049e414032SMasahiro YamadaALL-y += u-boot.srec u-boot.bin System.map
705e935a374SHaiying Wang
7069e414032SMasahiro YamadaALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin
7079e414032SMasahiro YamadaALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
7089e414032SMasahiro YamadaALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
7099e414032SMasahiro YamadaALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
7109e414032SMasahiro YamadaALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
7119e414032SMasahiro YamadaALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
7129e414032SMasahiro YamadaALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin
713b343bbb5SVadim Bendeburyifneq ($(CONFIG_SPL_TARGET),)
7149e414032SMasahiro YamadaALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
715b343bbb5SVadim Bendeburyendif
7169e414032SMasahiro YamadaALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
7177ebf7443Swdenk
71812b7b70cSAllen Martin# enable combined SPL/u-boot/dtb rules for tegra
7196d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),)
7207dcd3a21SVidya Sagarifeq ($(CONFIG_SPL),y)
72112b7b70cSAllen Martinifeq ($(CONFIG_OF_SEPARATE),y)
7229e414032SMasahiro YamadaALL-y += u-boot-dtb-tegra.bin
72312b7b70cSAllen Martinelse
7249e414032SMasahiro YamadaALL-y += u-boot-nodtb-tegra.bin
72512b7b70cSAllen Martinendif
72612b7b70cSAllen Martinendif
7277dcd3a21SVidya Sagarendif
72812b7b70cSAllen Martin
729433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL)
730433b2f1eSMasahiro Yamadaifneq ($(CONFIG_SYS_TEXT_BASE),)
731433b2f1eSMasahiro YamadaLDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
732433b2f1eSMasahiro Yamadaendif
733433b2f1eSMasahiro Yamada
734656de6b8SMasahiro Yamadaall:		$(ALL-y)
7357ebf7443Swdenk
7369e414032SMasahiro Yamadau-boot.dtb:	checkdtc u-boot
7379e414032SMasahiro Yamada		$(MAKE) $(build)=dts binary
7389e414032SMasahiro Yamada		mv dts/dt.dtb $@
7392c0f79e4SSimon Glass
7409e414032SMasahiro Yamadau-boot-dtb.bin:	u-boot.bin u-boot.dtb
7412c0f79e4SSimon Glass		cat $^ >$@
7422c0f79e4SSimon Glass
7439e414032SMasahiro Yamadau-boot.hex:	u-boot
7446310eb9dSwdenk		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
7456310eb9dSwdenk
7469e414032SMasahiro Yamadau-boot.srec:	u-boot
74747ed5dd0SAlbert ARIBAUD		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
7487ebf7443Swdenk
7499e414032SMasahiro Yamadau-boot.bin:	u-boot
7507ebf7443Swdenk		$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
7518137af19SScott Wood		$(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
752f3a14d37SMike Frysinger		$(BOARD_SIZE_CHECK)
7537ebf7443Swdenk
7549e414032SMasahiro Yamadau-boot.ldr:	u-boot
75576d82187SMike Frysinger		$(CREATE_LDR_ENV)
75668e56324SMike Frysinger		$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
757f3a14d37SMike Frysinger		$(BOARD_SIZE_CHECK)
75894a91e24SMike Frysinger
7599e414032SMasahiro Yamadau-boot.ldr.hex:	u-boot.ldr
76094a91e24SMike Frysinger		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
76194a91e24SMike Frysinger
7629e414032SMasahiro Yamadau-boot.ldr.srec:	u-boot.ldr
76394a91e24SMike Frysinger		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
76494a91e24SMike Frysinger
765b40bda6bSStefan Roese#
766b40bda6bSStefan Roese# U-Boot entry point, needed for booting of full-blown U-Boot
767b40bda6bSStefan Roese# from the SPL U-Boot version.
768b40bda6bSStefan Roese#
769b40bda6bSStefan Roeseifndef CONFIG_SYS_UBOOT_START
770b40bda6bSStefan RoeseCONFIG_SYS_UBOOT_START := 0
771b40bda6bSStefan Roeseendif
772b40bda6bSStefan Roese
7739e414032SMasahiro Yamadau-boot.img:	u-boot.bin
7749e414032SMasahiro Yamada		tools/mkimage -A $(ARCH) -T firmware -C none \
775b40bda6bSStefan Roese		-O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
776b40bda6bSStefan Roese		-e $(CONFIG_SYS_UBOOT_START) \
777881a87ecSWolfgang Denk		-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
778bdccc4feSwdenk			sed -e 's/"[	 ]*$$/ for $(BOARD) board"/') \
779bdccc4feSwdenk		-d $< $@
780bdccc4feSwdenk
781656de6b8SMasahiro Yamadau-boot.imx: u-boot.bin
7829e414032SMasahiro Yamada		$(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx
7838edcde5eSStefano Babic
7849e414032SMasahiro Yamadau-boot.kwb:       u-boot.bin
7859e414032SMasahiro Yamada		tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
7862ea88b06SEric Cooper		-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
787aa0c7a86SPrafulla Wadaskar
7889e414032SMasahiro Yamadau-boot.pbl:	u-boot.bin
7899e414032SMasahiro Yamada		tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \
790690e4258SPrabhakar Kushwaha		-R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \
7915d898a00SShaohui Xie		-d $< $@
7925d898a00SShaohui Xie
7939e414032SMasahiro Yamadau-boot.sha1:	u-boot.bin
7949e414032SMasahiro Yamada		tools/ubsha1 u-boot.bin
795566a494fSHeiko Schocher
7969e414032SMasahiro Yamadau-boot.dis:	u-boot
7977ebf7443Swdenk		$(OBJDUMP) -d $< > $@
7987ebf7443Swdenk
7993aa29de0SYing Zhang# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
8003aa29de0SYing Zhang# $(4) is pad-to
8013aa29de0SYing ZhangSPL_PAD_APPEND = \
8023aa29de0SYing Zhang		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
8039e414032SMasahiro Yamada		$(1) $(3); \
8049e414032SMasahiro Yamada		cat $(3) $(2) > $@; \
8059e414032SMasahiro Yamada		rm $(3)
80674752baaSScott Wood
8073aa29de0SYing Zhangifdef CONFIG_TPL
8089e414032SMasahiro YamadaSPL_PAYLOAD := tpl/u-boot-with-tpl.bin
8093aa29de0SYing Zhangelse
8109e414032SMasahiro YamadaSPL_PAYLOAD := u-boot.bin
8113aa29de0SYing Zhangendif
81274752baaSScott Wood
8139e414032SMasahiro Yamadau-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD)
8143aa29de0SYing Zhang		$(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
8153aa29de0SYing Zhang
8169e414032SMasahiro Yamadatpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin
8179e414032SMasahiro Yamada		$(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
8187816f2cfSHeiko Schocher
8199e414032SMasahiro Yamadau-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin
8209e414032SMasahiro Yamada		$(MAKE) $(build)=arch/arm/imx-common \
821ba597609SBenoît Thébaudeau			$(OBJTREE)/u-boot-with-spl.imx
822ba597609SBenoît Thébaudeau
8239e414032SMasahiro Yamadau-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin
8249e414032SMasahiro Yamada		$(MAKE) $(build)=arch/arm/imx-common \
8257d5a5c79SBenoît Thébaudeau			$(OBJTREE)/u-boot-with-nand-spl.imx
8267d5a5c79SBenoît Thébaudeau
8279e414032SMasahiro Yamadau-boot.ubl:       u-boot-with-spl.bin
8289e414032SMasahiro Yamada		tools/mkimage -n $(UBL_CONFIG) -T ublimage \
8299e414032SMasahiro Yamada		-e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl
830277f00f5SJosé Miguel Gonçalves
8319e414032SMasahiro Yamadau-boot.ais:       spl/u-boot-spl.bin u-boot.img
8329e414032SMasahiro Yamada		tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
8336d660e77SSughosh Ganu			-T aisimage \
834d36d8859SChristian Riesch			-e $(CONFIG_SPL_TEXT_BASE) \
8359e414032SMasahiro Yamada			-d spl/u-boot-spl.bin \
8369e414032SMasahiro Yamada			spl/u-boot-spl.ais
837d36d8859SChristian Riesch		$(OBJCOPY) ${OBJCFLAGS} -I binary \
838d36d8859SChristian Riesch			--pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
8399e414032SMasahiro Yamada			spl/u-boot-spl.ais spl/u-boot-spl-pad.ais
8409e414032SMasahiro Yamada		cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais
841d36d8859SChristian Riesch
842a5453555SOtavio Salvador
8439e414032SMasahiro Yamadau-boot.sb:       u-boot.bin spl/u-boot-spl.bin
8449e414032SMasahiro Yamada		$(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
84530b9b932SMarek Vasut
84694aebe6cSStefan Roese# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
84794aebe6cSStefan Roese# Both images are created using mkimage (crc etc), so that the ROM
84894aebe6cSStefan Roese# bootloader can check its integrity. Padding needs to be done to the
84994aebe6cSStefan Roese# SPL image (with mkimage header) and not the binary. Otherwise the resulting image
85094aebe6cSStefan Roese# which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
85194aebe6cSStefan Roese# The resulting image containing both U-Boot images is called u-boot.spr
8529e414032SMasahiro Yamadau-boot.spr:	u-boot.img spl/u-boot-spl.bin
8539e414032SMasahiro Yamada		tools/mkimage -A $(ARCH) -T firmware -C none \
85494aebe6cSStefan Roese		-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
8559e414032SMasahiro Yamada		-d spl/u-boot-spl.bin $@
85657270260SMasahiro Yamada		$(OBJCOPY) -I binary -O binary \
85757270260SMasahiro Yamada			--pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
8589e414032SMasahiro Yamada		cat u-boot.img >> $@
85994aebe6cSStefan Roese
8606d6c0baeSTom Warrenifneq ($(CONFIG_TEGRA),)
8619e414032SMasahiro Yamadau-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin
8629e414032SMasahiro Yamada		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin
8639e414032SMasahiro Yamada		cat spl/u-boot-spl-pad.bin u-boot.bin > $@
8649e414032SMasahiro Yamada		rm spl/u-boot-spl-pad.bin
8659972db5cSStephen Warren
8669972db5cSStephen Warrenifeq ($(CONFIG_OF_SEPARATE),y)
8679e414032SMasahiro Yamadau-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb
8689e414032SMasahiro Yamada		cat u-boot-nodtb-tegra.bin u-boot.dtb > $@
8699972db5cSStephen Warrenendif
870984df4ecSAllen Martinendif
871984df4ecSAllen Martin
8729e414032SMasahiro Yamadau-boot-img.bin: spl/u-boot-spl.bin u-boot.img
8739e414032SMasahiro Yamada		cat spl/u-boot-spl.bin u-boot.img > $@
874fb3d2b8aSStefan Roese
875ecddccd0SStefan Roese# PPC4xx needs the SPL at the end of the image, since the reset vector
876ecddccd0SStefan Roese# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
877ecddccd0SStefan Roese# and need to introduce a new build target with the full blown U-Boot
878ecddccd0SStefan Roese# at the start padded up to the start of the SPL image. And then concat
879ecddccd0SStefan Roese# the SPL image to the end.
8809e414032SMasahiro Yamadau-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img
88157270260SMasahiro Yamada		$(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
8829e414032SMasahiro Yamada			 --gap-fill=0xff u-boot.img $@
8839e414032SMasahiro Yamada		cat spl/u-boot-spl.bin >> $@
884ecddccd0SStefan Roese
885f4dc714aSScott Wood# Create a new ELF from a raw binary file.  This is useful for arm64
886f4dc714aSScott Wood# where static relocation needs to be performed on the raw binary,
887f4dc714aSScott Wood# but certain simulators only accept an ELF file (but don't do the
888f4dc714aSScott Wood# relocation).
889f4dc714aSScott Wood# FIXME refactor dts/Makefile to share target/arch detection
8909e414032SMasahiro Yamadau-boot.elf: u-boot.bin
891f4dc714aSScott Wood	@$(OBJCOPY)  -B aarch64 -I binary -O elf64-littleaarch64 \
8929e414032SMasahiro Yamada		$< u-boot-elf.o
8939e414032SMasahiro Yamada	@$(LD) u-boot-elf.o -o $@ \
894f4dc714aSScott Wood		--defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
895f4dc714aSScott Wood		-Ttext=$(CONFIG_SYS_TEXT_BASE)
896f4dc714aSScott Wood
89786eb49b3SSimon Glassifeq ($(CONFIG_SANDBOX),y)
89886eb49b3SSimon GlassGEN_UBOOT = \
8999e414032SMasahiro Yamada		$(CC) $(SYMS) -T u-boot.lds \
900656de6b8SMasahiro Yamada			-Wl,--start-group $(u-boot-main) -Wl,--end-group \
90186eb49b3SSimon Glass			$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
90286eb49b3SSimon Glasselse
903ecb1dc89SMike FrysingerGEN_UBOOT = \
9049e414032SMasahiro Yamada		$(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
905656de6b8SMasahiro Yamada			$(u-boot-init) \
906656de6b8SMasahiro Yamada			--start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \
907b2184c31Swdenk			-Map u-boot.map -o u-boot
90886eb49b3SSimon Glassendif
90986eb49b3SSimon Glass
910656de6b8SMasahiro Yamadau-boot:	$(u-boot-init) $(u-boot-main) u-boot.lds
911ecb1dc89SMike Frysinger		$(GEN_UBOOT)
912ecb1dc89SMike Frysingerifeq ($(CONFIG_KALLSYMS),y)
9139e414032SMasahiro Yamada		smap=`$(call SYSTEM_MAP,u-boot) | \
9141aada9cdSWolfgang Denk			awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
9156825a95bSMasahiro Yamada		$(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
9169e414032SMasahiro Yamada			-c $(srctree)/common/system_map.c -o common/system_map.o
9179e414032SMasahiro Yamada		$(GEN_UBOOT) common/system_map.o
918ecb1dc89SMike Frysingerendif
9197ebf7443Swdenk
920656de6b8SMasahiro Yamada# The actual objects are generated when descending,
921656de6b8SMasahiro Yamada# make sure no implicit rule kicks in
922656de6b8SMasahiro Yamada$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
923f9328639SMarian Balakowicz
924656de6b8SMasahiro Yamada# Handle descending into subdirectories listed in $(vmlinux-dirs)
925656de6b8SMasahiro Yamada# Preset locale variables to speed up the build process. Limit locale
926656de6b8SMasahiro Yamada# tweaks to this spot to avoid wrong language settings when running
927656de6b8SMasahiro Yamada# make menuconfig etc.
928656de6b8SMasahiro Yamada# Error messages still appears in the original language
929a8c7c708Swdenk
930656de6b8SMasahiro YamadaPHONY += $(u-boot-dirs)
931656de6b8SMasahiro Yamada$(u-boot-dirs): depend scripts_basic
9326825a95bSMasahiro Yamada	$(Q)$(MAKE) $(build)=$@
933940db16dSMasahiro Yamada
934656de6b8SMasahiro Yamadatools: $(TIMESTAMP_FILE) $(VERSION_FILE)
935656de6b8SMasahiro Yamada# The "tools" are needed early
936656de6b8SMasahiro Yamada$(filter-out tools, $(u-boot-dirs)): tools
937656de6b8SMasahiro Yamada# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
938656de6b8SMasahiro Yamada# is "yes"), so compile examples after U-Boot is compiled.
939656de6b8SMasahiro Yamadaexamples: $(filter-out examples, $(u-boot-dirs))
940656de6b8SMasahiro Yamada
941349e83f0SChe-liang Chiou
942433b2f1eSMasahiro Yamada#
943433b2f1eSMasahiro Yamada# Auto-generate the autoconf.mk file (which is included by all makefiles)
944433b2f1eSMasahiro Yamada#
945433b2f1eSMasahiro Yamada# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
946433b2f1eSMasahiro Yamada# the dep file is only include in this top level makefile to determine when
947433b2f1eSMasahiro Yamada# to regenerate the autoconf.mk file.
948433b2f1eSMasahiro Yamada
949433b2f1eSMasahiro Yamadaquiet_cmd_autoconf_dep = GEN     $@
950433b2f1eSMasahiro Yamada      cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \
951433b2f1eSMasahiro Yamada	-MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@
952433b2f1eSMasahiro Yamada
953433b2f1eSMasahiro Yamadainclude/autoconf.mk.dep: include/config.h include/common.h
954433b2f1eSMasahiro Yamada	$(call cmd,autoconf_dep)
955433b2f1eSMasahiro Yamada
956433b2f1eSMasahiro Yamadaquiet_cmd_autoconf = GEN     $@
957433b2f1eSMasahiro Yamada      cmd_autoconf = \
958433b2f1eSMasahiro Yamada	$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
959433b2f1eSMasahiro Yamada	sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
960433b2f1eSMasahiro Yamada	rm $@.tmp
961433b2f1eSMasahiro Yamada
962433b2f1eSMasahiro Yamadainclude/autoconf.mk: include/config.h
963433b2f1eSMasahiro Yamada	$(call cmd,autoconf)
964433b2f1eSMasahiro Yamada
9659e414032SMasahiro Yamadau-boot.lds: $(LDSCRIPT) depend
9666825a95bSMasahiro Yamada		$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
9671aada9cdSWolfgang Denk
9686825a95bSMasahiro Yamadanand_spl:	$(TIMESTAMP_FILE) $(VERSION_FILE) depend scripts_basic
9699e414032SMasahiro Yamada		$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
970887e2ec9SStefan Roese
9719e414032SMasahiro Yamadau-boot-nand.bin:	nand_spl u-boot.bin
9729e414032SMasahiro Yamada		cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin
973887e2ec9SStefan Roese
974656de6b8SMasahiro Yamadaspl/u-boot-spl.bin: tools depend scripts_basic
9759e414032SMasahiro Yamada		$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
9765df2ee27SDaniel Schwierzeck
977656de6b8SMasahiro Yamadatpl/u-boot-tpl.bin: tools depend scripts_basic
9789e414032SMasahiro Yamada		$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
9793aa29de0SYing Zhang
9802a998793SDaniel Hobi# Explicitly make _depend in subdirs containing multiple targets to prevent
9812a998793SDaniel Hobi# parallel sub-makes creating .depend files simultaneously.
98216a354f9SWolfgang Denkdepend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE) \
9839e414032SMasahiro Yamada		include/generated/generic-asm-offsets.h \
9849e414032SMasahiro Yamada		include/generated/asm-offsets.h
9857ebf7443Swdenk
986656de6b8SMasahiro YamadaTAG_SUBDIRS := $(u-boot-dirs) include
987a340c325SJean-Christophe PLAGNIOL-VILLARD
988857d9ea6SHorst KronstorferFIND := find
989857d9ea6SHorst KronstorferFINDFLAGS := -L
990857d9ea6SHorst Kronstorfer
99147f15711SMasahiro YamadaPHONY += checkstack
99247f15711SMasahiro Yamada
9931064d980STom Rinicheckstack:
99447f15711SMasahiro Yamada	$(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
99547f15711SMasahiro Yamada	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
9961064d980STom Rini
997f9328639SMarian Balakowicztags ctags:
9989e414032SMasahiro Yamada		ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
999e5e4e705SLi Yang						-name '*.[chS]' -print`
10007ebf7443Swdenk
10017ebf7443Swdenketags:
1002857d9ea6SHorst Kronstorfer		etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1003e5e4e705SLi Yang						-name '*.[chS]' -print`
1004ffda586fSLi Yangcscope:
1005857d9ea6SHorst Kronstorfer		$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
1006857d9ea6SHorst Kronstorfer						cscope.files
1007ffda586fSLi Yang		cscope -b -q -k
10087ebf7443Swdenk
1009ecb1dc89SMike FrysingerSYSTEM_MAP = \
1010ecb1dc89SMike Frysinger		$(NM) $1 | \
10117ebf7443Swdenk		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1012ecb1dc89SMike Frysinger		LC_ALL=C sort
10139e414032SMasahiro YamadaSystem.map:	u-boot
1014bc8bb6ecSMasahiro Yamada		@$(call SYSTEM_MAP,$<) > $@
10157ebf7443Swdenk
101606a119a0STom Rinicheckthumb:
101706a119a0STom Rini	@if test $(call cc-version) -lt 0404; then \
101806a119a0STom Rini		echo -n '*** Your GCC does not produce working '; \
101906a119a0STom Rini		echo 'binaries in THUMB mode.'; \
102006a119a0STom Rini		echo '*** Your board is configured for THUMB mode.'; \
102106a119a0STom Rini		false; \
102206a119a0STom Rini	fi
10236ec63f41SScott Wood
10246ec63f41SScott Wood# GCC 3.x is reported to have problems generating the type of relocation
10256ec63f41SScott Wood# that U-Boot wants.
10266ec63f41SScott Wood# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
10276ec63f41SScott Woodcheckgcc4:
10286ec63f41SScott Wood	@if test $(call cc-version) -lt 0400; then \
10296ec63f41SScott Wood		echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
10306ec63f41SScott Wood		false; \
10316ec63f41SScott Wood	fi
10326ec63f41SScott Wood
1033501ebdf2SStephen Warrencheckdtc:
1034501ebdf2SStephen Warren	@if test $(call dtc-version) -lt 0104; then \
1035501ebdf2SStephen Warren		echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1036501ebdf2SStephen Warren		false; \
1037501ebdf2SStephen Warren	fi
1038501ebdf2SStephen Warren
103947f15711SMasahiro Yamadaquiet_cmd_offsets = GEN     $@
104047f15711SMasahiro Yamada      cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@
104147f15711SMasahiro Yamada
104247f15711SMasahiro Yamadainclude/generated/generic-asm-offsets.h: lib/asm-offsets.s
104347f15711SMasahiro Yamada	$(call cmd,offsets)
104447f15711SMasahiro Yamada
104547f15711SMasahiro Yamadaquiet_cmd_asm-offsets.s = CC      $@
104647f15711SMasahiro Yamada      cmd_asm-offsets.s = mkdir -p lib; \
104716a354f9SWolfgang Denk		$(CC) -DDO_DEPS_ONLY \
10486825a95bSMasahiro Yamada		$(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
104947f15711SMasahiro Yamada		-o $@ $< -c -S
105047f15711SMasahiro Yamada
105147f15711SMasahiro Yamadalib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h
105247f15711SMasahiro Yamada	$(call cmd,asm-offsets.s)
105316a354f9SWolfgang Denk
10549e414032SMasahiro Yamadainclude/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s
105547f15711SMasahiro Yamada	$(call cmd,offsets)
1056a4814a69SStefano Babic
105747f15711SMasahiro Yamadaquiet_cmd_soc_asm-offsets.s = CC      $@
105847f15711SMasahiro Yamada      cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \
10599e414032SMasahiro Yamada	if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
1060a4814a69SStefano Babic		$(CC) -DDO_DEPS_ONLY \
10616825a95bSMasahiro Yamada		$(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
10629e414032SMasahiro Yamada			-o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
1063a4814a69SStefano Babic	else \
1064a4814a69SStefano Babic		touch $@; \
1065a4814a69SStefano Babic	fi
1066a4814a69SStefano Babic
106747f15711SMasahiro Yamada$(CPUDIR)/$(SOC)/asm-offsets.s:	include/config.h
106847f15711SMasahiro Yamada	$(call cmd,soc_asm-offsets.s)
106947f15711SMasahiro Yamada
10707ebf7443Swdenk#########################################################################
10717ebf7443Swdenk
107254799e45SScott Wood# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
107354799e45SScott Wood# R_AARCH64_RELATIVE (64-bit).
10749e414032SMasahiro Yamadacheckarmreloc: u-boot
107554799e45SScott Wood	@RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
107654799e45SScott Wood		grep R_A | sort -u`"; \
107754799e45SScott Wood	if test "$$RELOC" != "R_ARM_RELATIVE" -a \
107854799e45SScott Wood		 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
107954799e45SScott Wood		echo "$< contains unexpected relocations: $$RELOC"; \
108054799e45SScott Wood		false; \
108154799e45SScott Wood	fi
1082c37980c3SAlbert ARIBAUD
108328abd48fSIlya Yanok$(VERSION_FILE):
108414ce91b1SMike Frysinger		@mkdir -p $(dir $(VERSION_FILE))
1085dd88ab32SMasahiro Yamada		@( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
108628abd48fSIlya Yanok		   printf '#define PLAIN_VERSION "%s%s"\n' \
108728abd48fSIlya Yanok			"$(U_BOOT_VERSION)" "$${localvers}" ; \
108828abd48fSIlya Yanok		   printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
108928abd48fSIlya Yanok			"$(U_BOOT_VERSION)" "$${localvers}" ; \
109028abd48fSIlya Yanok		) > $@.tmp
109128abd48fSIlya Yanok		@( printf '#define CC_VERSION_STRING "%s"\n' \
109228abd48fSIlya Yanok		 '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
109328abd48fSIlya Yanok		@( printf '#define LD_VERSION_STRING "%s"\n' \
109428abd48fSIlya Yanok		 '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
109528abd48fSIlya Yanok		@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
109628abd48fSIlya Yanok
1097249b53a6SLoïc Minier$(TIMESTAMP_FILE):
1098249b53a6SLoïc Minier		@mkdir -p $(dir $(TIMESTAMP_FILE))
1099a76406fbSLoïc Minier		@LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
1100a76406fbSLoïc Minier		@LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
1101a76406fbSLoïc Minier		@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
1102249b53a6SLoïc Minier
11032887c473SMasahiro Yamadaenv: depend scripts_basic
11043f76e984SMasahiro Yamada	$(Q)$(MAKE) $(build)=tools/$@
1105940db16dSMasahiro Yamada
110630ff8918SMarek Vasutxmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
11076825a95bSMasahiro Yamada	$(Q)$(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@
110830ff8918SMarek Vasut
11092887c473SMasahiro Yamadatools-all: HOST_TOOLS_ALL=y
11102887c473SMasahiro Yamadatools-all: env tools ;
11110358df42SMike Frysinger
11124e53a258SWolfgang Denk.PHONY : CHANGELOG
11134e53a258SWolfgang DenkCHANGELOG:
1114b985b5d6SBen Warren	git log --no-merges U-Boot-1_1_5.. | \
1115b985b5d6SBen Warren	unexpand -a | sed -e 's/\s\s*$$//' > $@
11164e53a258SWolfgang Denk
11170a823aa2SHarald Welteinclude/license.h: tools/bin2header COPYING
11180a823aa2SHarald Welte	cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
11197ebf7443Swdenk#########################################################################
11207ebf7443Swdenk
1121efcf8619SMasahiro Yamada###
1122efcf8619SMasahiro Yamada# Cleaning is done on three levels.
1123efcf8619SMasahiro Yamada# make clean     Delete most generated files
1124efcf8619SMasahiro Yamada#                Leave enough to build external modules
1125efcf8619SMasahiro Yamada# make mrproper  Delete the current configuration, and all generated files
1126efcf8619SMasahiro Yamada# make distclean Remove editor backup files, patch leftover files and the like
1127a6862bc1SWolfgang Denk
1128efcf8619SMasahiro Yamada# Directories & files removed with 'make clean'
1129efcf8619SMasahiro YamadaCLEAN_DIRS  += $(MODVERDIR)
1130efcf8619SMasahiro YamadaCLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \
1131efcf8619SMasahiro Yamada	       board/*/config.tmp board/*/*/config.tmp dts/*.tmp \
1132efcf8619SMasahiro Yamada	       include/autoconf.mk* include/spl-autoconf.mk \
1133433b2f1eSMasahiro Yamada	       include/tpl-autoconf.mk
1134433b2f1eSMasahiro Yamada
1135efcf8619SMasahiro Yamada# Directories & files removed with 'make clobber'
1136efcf8619SMasahiro YamadaCLOBBER_DIRS  += $(patsubst %,spl/%, $(filter-out Makefile, \
1137efcf8619SMasahiro Yamada		 $(shell ls -1 spl 2>/dev/null))) \
1138efcf8619SMasahiro Yamada		 tpl
1139efcf8619SMasahiro YamadaCLOBBER_FILES += u-boot* MLO MLO* SPL System.map nand_spl/u-boot*
1140efcf8619SMasahiro Yamada
1141efcf8619SMasahiro Yamada# Directories & files removed with 'make mrproper'
1142efcf8619SMasahiro YamadaMRPROPER_DIRS  += include/config include/generated
1143efcf8619SMasahiro YamadaMRPROPER_FILES += .config .config.old \
1144efcf8619SMasahiro Yamada		  tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
1145efcf8619SMasahiro Yamada		  include/config.h include/config.mk
1146efcf8619SMasahiro Yamada
1147efcf8619SMasahiro Yamada# clean - Delete most, but leave enough to build external modules
1148efcf8619SMasahiro Yamada#
1149efcf8619SMasahiro Yamadaclean: rm-dirs  := $(CLEAN_DIRS)
1150efcf8619SMasahiro Yamadaclean: rm-files := $(CLEAN_FILES)
1151efcf8619SMasahiro Yamada
1152efcf8619SMasahiro Yamadaclean-dirs	:= $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f))
1153efcf8619SMasahiro Yamada
1154efcf8619SMasahiro Yamadaclean-dirs      := $(addprefix _clean_, $(clean-dirs) doc/DocBook)
1155efcf8619SMasahiro Yamada
1156efcf8619SMasahiro YamadaPHONY += $(clean-dirs) clean archclean
1157efcf8619SMasahiro Yamada$(clean-dirs):
1158efcf8619SMasahiro Yamada	$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
1159efcf8619SMasahiro Yamada
1160efcf8619SMasahiro Yamada# TODO: Do not use *.cfgtmp
1161efcf8619SMasahiro Yamadaclean: $(clean-dirs)
1162efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1163efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1164efcf8619SMasahiro Yamada	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
1165efcf8619SMasahiro Yamada		\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
1166efcf8619SMasahiro Yamada		-o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \
1167efcf8619SMasahiro Yamada		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
1168efcf8619SMasahiro Yamada		-o -name '*.symtypes' -o -name 'modules.order' \
1169efcf8619SMasahiro Yamada		-o -name modules.builtin -o -name '.tmp_*.o.*' \
1170efcf8619SMasahiro Yamada		-o -name '*.gcno' \) -type f -print | xargs rm -f
1171efcf8619SMasahiro Yamada	@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
1172efcf8619SMasahiro Yamada		-path './nand_spl/*' -type l -print | xargs rm -f
1173efcf8619SMasahiro Yamada
1174efcf8619SMasahiro Yamada# clobber
1175efcf8619SMasahiro Yamada#
1176efcf8619SMasahiro Yamadaclobber: rm-dirs  := $(CLOBBER_DIRS)
1177efcf8619SMasahiro Yamadaclobber: rm-files := $(CLOBBER_FILES)
1178efcf8619SMasahiro Yamada
1179efcf8619SMasahiro YamadaPHONY += clobber
1180efcf8619SMasahiro Yamada
1181efcf8619SMasahiro Yamadaclobber: clean
1182efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1183efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1184efcf8619SMasahiro Yamada
1185efcf8619SMasahiro Yamada# mrproper - Delete all generated files, including .config
1186efcf8619SMasahiro Yamada#
1187efcf8619SMasahiro Yamadamrproper: rm-dirs  := $(wildcard $(MRPROPER_DIRS))
1188efcf8619SMasahiro Yamadamrproper: rm-files := $(wildcard $(MRPROPER_FILES))
1189efcf8619SMasahiro Yamadamrproper-dirs      := $(addprefix _mrproper_,scripts)
1190efcf8619SMasahiro Yamada
1191efcf8619SMasahiro YamadaPHONY += $(mrproper-dirs) mrproper archmrproper
1192efcf8619SMasahiro Yamada$(mrproper-dirs):
1193efcf8619SMasahiro Yamada	$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
1194efcf8619SMasahiro Yamada
1195efcf8619SMasahiro Yamadamrproper: clobber $(mrproper-dirs)
1196efcf8619SMasahiro Yamada	$(call cmd,rmdirs)
1197efcf8619SMasahiro Yamada	$(call cmd,rmfiles)
1198efcf8619SMasahiro Yamada	@rm -f arch/*/include/asm/arch arch/*/include/asm/proc
1199efcf8619SMasahiro Yamada
1200efcf8619SMasahiro Yamada# distclean
1201efcf8619SMasahiro Yamada#
1202efcf8619SMasahiro YamadaPHONY += distclean
1203efcf8619SMasahiro Yamada
1204433b2f1eSMasahiro Yamadadistclean: mrproper
1205efcf8619SMasahiro Yamada	@find $(srctree) $(RCS_FIND_IGNORE) \
1206efcf8619SMasahiro Yamada		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
1207efcf8619SMasahiro Yamada		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
1208efcf8619SMasahiro Yamada		-o -name '.*.rej' \
1209efcf8619SMasahiro Yamada		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
1210efcf8619SMasahiro Yamada		-type f -print | xargs rm -f
12117ebf7443Swdenk
12127ebf7443Swdenkbackup:
12137ebf7443Swdenk	F=`basename $(TOPDIR)` ; cd .. ; \
1214d6b93714SIlya Yanok	gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
12157ebf7443Swdenk
12167ebf7443Swdenk#########################################################################
12179e414032SMasahiro Yamada
1218433b2f1eSMasahiro Yamadaendif #ifeq ($(config-targets),1)
1219433b2f1eSMasahiro Yamadaendif #ifeq ($(mixed-targets),1)
1220433b2f1eSMasahiro Yamada
1221efcf8619SMasahiro Yamadaquiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN   $(wildcard $(rm-dirs)))
1222efcf8619SMasahiro Yamada      cmd_rmdirs = rm -rf $(rm-dirs)
1223efcf8619SMasahiro Yamada
1224efcf8619SMasahiro Yamadaquiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files)))
1225efcf8619SMasahiro Yamada      cmd_rmfiles = rm -f $(rm-files)
1226efcf8619SMasahiro Yamada
1227efcf8619SMasahiro Yamada# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1228efcf8619SMasahiro Yamada# Usage:
1229efcf8619SMasahiro Yamada# $(Q)$(MAKE) $(clean)=dir
1230efcf8619SMasahiro Yamadaclean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
1231efcf8619SMasahiro Yamada
12329e414032SMasahiro Yamadaendif	# skip-makefile
12339e414032SMasahiro Yamada
12349e414032SMasahiro YamadaPHONY += FORCE
12359e414032SMasahiro YamadaFORCE:
12369e414032SMasahiro Yamada
12379e414032SMasahiro Yamada# Declare the contents of the .PHONY variable as phony.  We keep that
12389e414032SMasahiro Yamada# information in a variable so we can use it in if_changed and friends.
12399e414032SMasahiro Yamada.PHONY: $(PHONY)
1240