2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
5 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
6 ## Copyright (C) 2009-2010 coresystems GmbH
7 ## Copyright (C) 2011 secunet Security Networks AG
9 ## Redistribution and use in source and binary forms, with or without
10 ## modification, are permitted provided that the following conditions
12 ## 1. Redistributions of source code must retain the above copyright
13 ## notice, this list of conditions and the following disclaimer.
14 ## 2. Redistributions in binary form must reproduce the above copyright
15 ## notice, this list of conditions and the following disclaimer in the
16 ## documentation and/or other materials provided with the distribution.
17 ## 3. The name of the author may not be used to endorse or promote products
18 ## derived from this software without specific prior written permission.
20 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 ifeq ($(INNER_SCANBUILD
),y
)
37 $(if
$(wildcard .xcompile
),,$(eval
$(shell bash util
/xcompile
/xcompile
> .xcompile
)))
40 ifeq ($(INNER_SCANBUILD
),y
)
42 HOSTCC
:=$(CC_real
) --hostcc
43 HOSTCXX
:=$(CC_real
) --hostcxx
46 export top
:= $(CURDIR
)
48 export srck
:= $(top
)/util
/kconfig
50 export objutil ?
= $(obj
)/util
51 export objk
:= $(objutil
)/kconfig
54 export KCONFIG_AUTOHEADER
:= $(obj
)/config.h
55 export KCONFIG_AUTOCONFIG
:= $(obj
)/auto.conf
57 # directory containing the toplevel Makefile.inc
61 KBUILD_DEFCONFIG
:= configs
/defconfig
62 UNAME_RELEASE
:= $(shell uname
-r
)
64 KCONFIG_CONFIG
= $(DOTCONFIG
)
66 HAVE_DOTCONFIG
:= $(wildcard $(DOTCONFIG
))
67 MAKEFLAGS
+= -rR
--no-print-directory
69 # Make is silent per default, but 'make V=1' will show all compiler calls.
79 HOSTCFLAGS
:= -I
$(srck
) -I
$(objk
) -g
80 HOSTCXXFLAGS
:= -I
$(srck
) -I
$(objk
)
81 LIBGCC_FILE_NAME
:= $(shell test -r
`$(CC) -print-libgcc-file-name` && $(CC
) -print-libgcc-file-name
)
84 DOXYGEN_OUTPUT_DIR
:= doxygen
88 # This include must come _before_ the pattern rules below!
89 # Order _does_ matter for pattern rules.
90 include util
/kconfig
/Makefile
92 # Three cases where we don't need fully populated $(obj) lists:
93 # 1. when no .config exists
94 # 2. when make config (in any flavour) is run
95 # 3. when make distclean is run
96 # Don't waste time on reading all Makefile.incs in these cases
97 ifeq ($(strip $(HAVE_DOTCONFIG
)),)
100 ifneq ($(MAKECMDGOALS
),)
101 ifneq ($(filter %config
distclean,$(MAKECMDGOALS
)),)
106 ifeq ($(NOCOMPILE
),1)
107 include $(TOPLEVEL
)/Makefile.inc
112 include $(HAVE_DOTCONFIG
)
114 ifneq ($(INNER_SCANBUILD
),y
)
115 ifeq ($(CONFIG_COMPILER_LLVM_CLANG
),y
)
121 ifeq ($(CONFIG_CCACHE
),y
)
122 CCACHE
:=$(word 1,$(wildcard $(addsuffix /ccache
,$(subst :, ,$(PATH
)))))
124 $(error ccache selected
, but not found in PATH
)
126 CCACHE
:=CCACHE_COMPILERCHECK
=content CCACHE_BASEDIR
=$(top
) $(CCACHE
)
127 CC
:= $(CCACHE
) $(CC
)
128 HOSTCC
:= $(CCACHE
) $(HOSTCC
)
129 HOSTCXX
:= $(CCACHE
) $(HOSTCXX
)
130 ROMCC
:= $(CCACHE
) $(ROMCC
)
133 strip_quotes
= $(subst ",,$(subst \",,$(1)))
135 # The primary target needs to be here before we include the
138 ifeq ($(INNER_SCANBUILD),y)
139 CONFIG_SCANBUILD_ENABLE:=
142 ifeq ($(CONFIG_SCANBUILD_ENABLE),y)
143 ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),)
144 CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION)
147 echo '#!/bin/sh' > .ccwrap
148 echo 'CC="$(CC
)"' >> .ccwrap
149 echo 'if [ "$$1" = "--hostcc
" ]; then shift; CC="$(HOSTCC
)"; fi' >> .ccwrap
150 echo 'if [ "$$1" = "--hostcxx
" ]; then shift; CC="$(HOSTCXX
)"; fi' >> .ccwrap
151 echo 'eval $$CC $$*' >> .ccwrap
153 scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
155 real-all: real-target
158 # must come rather early
164 # Add a new class of source/object files to the build system
166 $(eval $(1)-srcs:=) \
167 $(eval $(1)-objs:=) \
168 $(eval classes+=$(1))
170 # Special classes are managed types with special behaviour
171 # On parse time, for each entry in variable $(1)-y
172 # a handler $(1)-handler is executed with the arguments:
173 # * $(1): directory the parser is in
174 # * $(2): current entry
177 $(eval special-classes+=$(1))
179 # Clean -y variables, include Makefile.inc
180 # Add paths to files in X-y to X-srcs
181 # Add subdirs-y to subdirs
183 $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
184 $(eval -include $(1)) \
185 $(foreach class,$(classes-y), $(call add-class,$(class))) \
186 $(foreach class,$(classes), \
187 $(eval $(class)-srcs+= \
189 $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y))))))) \
190 $(foreach special,$(special-classes), \
191 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
192 $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
194 # For each path in $(subdirs) call includemakefiles
195 # Repeat until subdirs is empty
197 $(eval cursubdirs:=$(subdirs)) \
199 $(foreach dir,$(cursubdirs), \
200 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
201 $(if $(subdirs),$(eval $(call evaluate_subdirs)))
203 # collect all object files eligible for building
205 $(eval $(call evaluate_subdirs))
207 src-to-obj=$(addsuffix .$(1).o, $(basename $(patsubst src/%, $(obj)/%, $($(1)-srcs))))
208 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class))))
210 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
211 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
212 alldirs:=$(sort $(abspath $(dir $(allobjs))))
214 # macro to define template macros that are used by use_template macro
215 define create_cc_template
217 # $2 source suffix (c, S)
218 # $3 additional compiler flags
219 # $4 additional dependencies
220 ifn$(EMPTY)def $(1)-objs_$(2)_template
221 de$(EMPTY)fine $(1)-objs_$(2)_template
222 $(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h $(4)
223 @printf " CC
$$$$(subst $$$$(obj
)/,,$$$$(@
))\n"
224 $(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
229 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
230 $(foreach class,$(classes), \
231 $(foreach type,$(call filetypes-of-class,$(class)), \
232 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps)))))
234 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(subst src/,,$(basename $(file))))))
235 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
237 DEPENDENCIES = $(allobjs:.o=.d)
238 -include $(DEPENDENCIES)
241 @$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); )
242 @echo alldirs:=$(alldirs)
243 @echo allsrcs=$(allsrcs)
244 @echo DEPENDENCIES=$(DEPENDENCIES)
245 @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
246 @$(foreach class,$(special-classes),echo $(class):='$($(class))'; )
251 $(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(additional-dirs) $(alldirs))
259 $(DOXYGEN) documentation/Doxyfile.coreboot
261 doxyclean: doxygen-clean
263 rm -rf $(DOXYGEN_OUTPUT_DIR)
265 clean-for-update: doxygen-clean clean-for-update-target
266 rm -f $(allobjs) .xcompile
267 rm -f $(DEPENDENCIES)
268 rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
270 clean: clean-for-update clean-target
276 distclean: clean-cscope
278 rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
280 .PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy .xcompile