1 # Makefile for buildroot2
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #--------------------------------------------------------------
21 # Just run 'make menuconfig', configure stuff, then run 'make'.
22 # You shouldn't need to mess with anything beyond this point...
23 #--------------------------------------------------------------
25 CONFIG_CONFIG_IN=Config.in
26 CONFIG_DEFCONFIG=.defconfig
28 DATE:=$(shell date +%Y%m%d)
30 noconfig_targets:=menuconfig config oldconfig randconfig \
31 defconfig allyesconfig allnoconfig release tags \
35 # Use shell variables, if defined
36 ifneq ($(BUILDROOT_LOCAL),)
37 BR2_LOCAL:=$(BUILDROOT_LOCAL)
39 BR2_LOCAL:=$(TOPDIR)/local
42 # $(shell find . -name *_defconfig |sed 's/.*\///')
43 # Pull in the user's configuration file
44 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
46 # if "make BOARD=xyz" command
50 -include $(BR2_LOCAL)/$(BOARD)/$(BOARD).config
54 # Override BR2_DL_DIR if shell variable defined
55 ifneq ($(BUILDROOT_DL_DIR),)
56 BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
60 # To put more focus on warnings, be less verbose as default
61 # Use 'make V=1' to see the full commands
63 ifeq ("$(origin V)", "command line")
71 ifeq ($(KBUILD_VERBOSE),1)
82 CONFIG_SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
83 else if [ -x /bin/bash ]; then echo /bin/bash; \
86 export CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
116 HOSTAR:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)" || type -p $(HOSTAR) || echo ar)
117 HOSTAS:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)" || type -p $(HOSTAS) || echo as)
118 HOSTCC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)" || type -p $(HOSTCC) || echo gcc)
119 HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" || type -p $(HOSTCXX) || echo g++)
120 HOSTFC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
121 HOSTCPP:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCPP)" || type -p $(HOSTCPP) || echo cpp)
122 HOSTLD:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo ld)
123 HOSTLN:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLN)" || type -p $(HOSTLN) || echo ln)
124 HOSTNM:=$(shell $(CONFIG_SHELL) -c "which $(HOSTNM)" || type -p $(HOSTNM) || echo nm)
125 HOST_GLIB_BIN:=`dirname $(shell $(CONFIG_SHELL) -c "which glib-genmarshal" || echo /usr/bin/glib-genmarshal)`
126 HOST_GLIB:=$(shell $(CONFIG_SHELL) -c "dirname $(HOST_GLIB_BIN)" || echo /usr)
129 ifndef CFLAGS_FOR_BUILD
130 CFLAGS_FOR_BUILD:=-g -O2
132 ifndef CXXFLAGS_FOR_BUILD
133 CXXFLAGS_FOR_BUILD:=-g -O2
135 ifndef FCFLAGS_FOR_BUILD
136 FCFLAGS_FOR_BUILD:=-g -O2
138 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
141 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
144 # Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
145 # sets -march=winchip-c6 if supported else falls back to -march=i586
146 # without checking the latter.
147 cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
148 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
150 #############################################################
152 # Hide troublesome environment variables from sub processes
154 #############################################################
155 unexport CROSS_COMPILE
158 #############################################################
160 # Setup the proper filename extensions for the host
162 ##############################################################
163 ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
168 ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
173 ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
177 HOST_LOADLIBES="-lcurses -lintl"
178 export HOST_LOADLIBES
180 ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
186 # The preferred type of libs we build for the target
187 ifeq ($(BR2_PREFER_STATIC_LIB),y)
189 #PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
192 #PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
194 PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
196 ##############################################################
198 # The list of stuff to build for the target toolchain
199 # along with the packages to build for the target.
201 ##############################################################
202 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
203 BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
205 BASE_TARGETS:=uclibc kernel-headers
210 include project/Makefile.in
212 BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
214 include toolchain/Makefile.in
215 include package/Makefile.in
217 #############################################################
219 # You should probably leave this stuff alone unless you know
220 # what you are doing.
222 #############################################################
226 # In this section, we need .config
231 # We also need the various per-package makefiles, which also add
232 # each selected package to TARGETS if that package was selected
233 # in the .config file.
234 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
235 # avoid pulling in external toolchain which is broken for toplvl parallel builds
237 include toolchain/dependencies/dependencies.mk
238 include toolchain/binutils/binutils.mk
239 include toolchain/ccache/ccache.mk
240 include toolchain/elf2flt/elf2flt.mk
241 include toolchain/gcc/gcc-uclibc-3.x.mk
242 include toolchain/gcc/gcc-uclibc-4.x.mk
243 include toolchain/gdb/gdb.mk
244 include toolchain/kernel-headers/kernel-headers.mk
245 include toolchain/mklibs/mklibs.mk
246 include toolchain/sstrip/sstrip.mk
247 include toolchain/uClibc/uclibc.mk
249 include toolchain/*/*.mk
252 ifeq ($(BR2_PACKAGE_LINUX),y)
253 TARGETS+=linux26-modules
256 include package/*/*.mk
258 TARGETS+=target-devfiles
260 # target stuff is last so it can override anything else
261 include target/Makefile.in
263 TARGETS+=erase-fakeroots
265 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
266 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
267 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
268 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
269 # all targets depend on the crosscompiler and it's prerequisites
270 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
272 $(BR2_DEPENDS_DIR): .config
275 cp -dpRf $(CONFIG)/buildroot-config $@
277 dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
279 $(BINARIES_DIR) $(PROJECT_BUILD_DIR)
281 $(BASE_TARGETS): dirs
283 world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
286 .PHONY: all world dirs clean dirclean distclean source \
287 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
288 $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
289 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
291 $(BINARIES_DIR) $(PROJECT_BUILD_DIR)
293 #############################################################
295 # staging and target directories do NOT list these as
296 # dependencies anywhere else
298 #############################################################
299 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) \
300 $(PROJECT_BUILD_DIR) $(BINARIES_DIR):
304 @mkdir -p $(STAGING_DIR)/bin
305 @mkdir -p $(STAGING_DIR)/lib
306 ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
307 @mkdir -p $(STAGING_DIR)/usr/lib
309 ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
310 @ln -snf . $(STAGING_DIR)/usr
311 @mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
312 @ln -snf ../lib $(STAGING_DIR)/usr/lib
313 @ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
316 @mkdir -p $(STAGING_DIR)/usr/include
318 $(PROJECT_BUILD_DIR)/.root:
319 mkdir -p $(TARGET_DIR)
320 if ! [ -d "$(TARGET_DIR)/bin" ]; then \
321 if [ -d "$(TARGET_SKELETON)" ]; then \
322 cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
324 touch $(STAGING_DIR)/.fakeroot.00000; \
326 -find $(TARGET_DIR) -type d -name CVS -o -name .svn | xargs rm -rf
327 -find $(TARGET_DIR) -type f -name .empty | xargs rm -rf
330 $(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
333 rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
336 ifeq ($(BR2_HAVE_DEVFILES),y)
337 ( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
339 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
340 find $(TARGET_DIR)/usr/lib -name '*.a' -delete
341 find $(TARGET_DIR)/lib -name '*.a' -delete
342 find $(TARGET_DIR)/usr/lib -name '*.la' -delete
343 find $(TARGET_DIR)/lib -name '*.la' -delete
346 source: $(TARGETS_SOURCE) $(HOST_SOURCE)
349 $(MAKE) SPIDER=--spider source
352 @$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
353 SPIDER=--spider source
355 #############################################################
357 # Cleanup and misc junk
359 #############################################################
360 clean: $(TARGETS_CLEAN)
361 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
363 dirclean: $(TARGETS_DIRCLEAN)
364 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
367 ifeq ($(DL_DIR),$(BASE_DIR)/dl)
370 rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
371 $(LINUX_KERNEL) $(BASE_DIR)/include \
373 $(MAKE) -C $(CONFIG) clean
376 rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
379 rm -f buildroot.tar.bz2; \
380 tar -cvf buildroot.tar buildroot; \
381 bzip2 -9 buildroot.tar; \
384 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
389 # ---------------------------------------------------------------------------
391 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
395 @mkdir -p $(CONFIG)/buildroot-config
396 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
397 -@if [ ! -f .config ]; then \
398 cp $(CONFIG_DEFCONFIG) .config; \
401 @mkdir -p $(CONFIG)/buildroot-config
402 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
403 -@if [ ! -f .config ]; then \
404 cp $(CONFIG_DEFCONFIG) .config; \
407 menuconfig: $(CONFIG)/mconf
408 @mkdir -p $(CONFIG)/buildroot-config
409 @if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
410 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
411 $(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
412 test -f .config.cmd || rm -f .config; \
415 config: $(CONFIG)/conf
416 @mkdir -p $(CONFIG)/buildroot-config
417 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
418 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
419 $(CONFIG)/conf $(CONFIG_CONFIG_IN)
421 oldconfig: $(CONFIG)/conf
422 @mkdir -p $(CONFIG)/buildroot-config
423 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
424 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
425 $(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
427 randconfig: $(CONFIG)/conf
428 @mkdir -p $(CONFIG)/buildroot-config
429 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
430 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
431 $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
433 allyesconfig: $(CONFIG)/conf
434 cat $(CONFIG_DEFCONFIG) > .config
435 @mkdir -p $(CONFIG)/buildroot-config
436 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
437 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
438 $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
439 #sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
441 allnoconfig: $(CONFIG)/conf
442 @mkdir -p $(CONFIG)/buildroot-config
443 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
444 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
445 $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
447 defconfig: $(CONFIG)/conf
448 @mkdir -p $(CONFIG)/buildroot-config
449 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
450 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
451 $(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
453 # check if download URLs are outdated
454 source-check: allyesconfig
455 $(MAKE) _source-check
457 #############################################################
459 # Cleanup and misc junk
461 #############################################################
463 rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
464 -$(MAKE) -C $(CONFIG) clean
469 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
471 %_defconfig: $(CONFIG)/conf
472 cp $(shell find ./target/ -name $@) .config
476 cp .config $(BOARD_PATH)/$(BOARD_NAME)_defconfig
478 configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
480 prepatch: gcc-patched binutils-patched gdb-patched uclibc-patched
483 @echo "0" > .lognr.$(PROJECT)
485 log: .lognr.$(PROJECT)
486 @expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)
487 @echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
488 @$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1
491 cross: $(BASE_TARGETS)
495 @echo ' clean - delete temporary files created by build'
496 @echo ' distclean - delete all non-source files (including .config)'
499 @echo ' all - make world'
501 @echo 'Configuration:'
502 @echo ' menuconfig - interactive curses-based configurator'
503 @echo ' oldconfig - resolve any unresolved symbols in .config'
505 @echo 'Miscellaneous:'
506 @echo ' source - download all sources needed for offline-build'
507 @echo ' source-check - check all packages for valid download URLs'
508 @echo ' external-deps - list external packages used'
510 @echo 'See docs/README and docs/buildroot.html for further details'
513 .PHONY: dummy subdirs release distclean clean config oldconfig \
514 menuconfig tags check test depend defconfig help