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 # ignore version in staging_dir
126 HOST_GLIB_BIN:=`dirname $(shell $(CONFIG_SHELL) -c "(which -a glib-genmarshal; echo /usr/bin/glib-genmarshal)|grep -v $(BR2_STAGING_DIR)|head -n 1")`
127 HOST_GLIB:=$(shell $(CONFIG_SHELL) -c "dirname $(HOST_GLIB_BIN)" || echo /usr)
130 ifndef CFLAGS_FOR_BUILD
131 CFLAGS_FOR_BUILD:=-g -O2
133 ifndef CXXFLAGS_FOR_BUILD
134 CXXFLAGS_FOR_BUILD:=-g -O2
136 ifndef FCFLAGS_FOR_BUILD
137 FCFLAGS_FOR_BUILD:=-g -O2
139 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
142 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
145 # Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
146 # sets -march=winchip-c6 if supported else falls back to -march=i586
147 # without checking the latter.
148 cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
149 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
151 #############################################################
153 # Hide troublesome environment variables from sub processes
155 #############################################################
156 unexport CROSS_COMPILE
159 #############################################################
161 # Setup the proper filename extensions for the host
163 ##############################################################
164 ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
169 ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
174 ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
178 HOST_LOADLIBES="-lcurses -lintl"
179 export HOST_LOADLIBES
181 ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
187 # The preferred type of libs we build for the target
188 ifeq ($(BR2_PREFER_STATIC_LIB),y)
190 #PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
193 #PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
195 PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
197 ##############################################################
199 # The list of stuff to build for the target toolchain
200 # along with the packages to build for the target.
202 ##############################################################
203 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
204 BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
211 include project/Makefile.in
213 BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
215 include toolchain/Makefile.in
216 include package/Makefile.in
218 #############################################################
220 # You should probably leave this stuff alone unless you know
221 # what you are doing.
223 #############################################################
227 # In this section, we need .config
232 # We also need the various per-package makefiles, which also add
233 # each selected package to TARGETS if that package was selected
234 # in the .config file.
235 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
236 # avoid pulling in external toolchain which is broken for toplvl parallel builds
238 include toolchain/dependencies/dependencies.mk
239 include toolchain/binutils/binutils.mk
240 include toolchain/ccache/ccache.mk
241 include toolchain/elf2flt/elf2flt.mk
242 include toolchain/gcc/gcc-uclibc-3.x.mk
243 include toolchain/gcc/gcc-uclibc-4.x.mk
244 include toolchain/gdb/gdb.mk
245 include toolchain/kernel-headers/kernel-headers.mk
246 include toolchain/mklibs/mklibs.mk
247 include toolchain/sstrip/sstrip.mk
248 include toolchain/uClibc/uclibc.mk
250 include toolchain/*/*.mk
253 ifeq ($(BR2_PACKAGE_LINUX),y)
254 TARGETS+=linux26-modules
257 include package/*/*.mk
259 TARGETS+=target-devfiles
261 # target stuff is last so it can override anything else
262 include target/Makefile.in
264 TARGETS+=erase-fakeroots
266 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
267 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
268 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
269 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
270 # all targets depend on the crosscompiler and it's prerequisites
271 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
273 $(BR2_DEPENDS_DIR): .config
276 cp -dpRf $(CONFIG)/buildroot-config $@
278 dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
279 $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
280 $(PROJECT_BUILD_DIR)/autotools-stamps
282 $(BASE_TARGETS): dirs
284 world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
287 .PHONY: all world dirs clean dirclean distclean source \
288 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
289 $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
290 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
291 $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
292 $(PROJECT_BUILD_DIR)/autotools-stamps
294 #############################################################
296 # staging and target directories do NOT list these as
297 # dependencies anywhere else
299 #############################################################
300 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) \
301 $(PROJECT_BUILD_DIR)/autotools-stamps $(BINARIES_DIR):
305 @mkdir -p $(STAGING_DIR)/bin
306 @mkdir -p $(STAGING_DIR)/lib
307 ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
308 @mkdir -p $(STAGING_DIR)/usr/lib
310 ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
311 @ln -snf . $(STAGING_DIR)/usr
312 @mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
313 @ln -snf ../lib $(STAGING_DIR)/usr/lib
314 @ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
317 @mkdir -p $(STAGING_DIR)/usr/include
319 $(PROJECT_BUILD_DIR)/.root:
320 mkdir -p $(TARGET_DIR)
321 if ! [ -d "$(TARGET_DIR)/bin" ]; then \
322 if [ -d "$(TARGET_SKELETON)" ]; then \
323 cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
325 touch $(STAGING_DIR)/.fakeroot.00000; \
327 -find $(TARGET_DIR) -type d -name CVS -o -name .svn | xargs rm -rf
328 -find $(TARGET_DIR) -type f -name .empty | xargs rm -rf
331 $(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
334 rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
337 ifeq ($(BR2_HAVE_DEVFILES),y)
338 ( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
340 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
341 find $(TARGET_DIR)/usr/lib -name '*.a' -delete
342 find $(TARGET_DIR)/lib -name '*.a' -delete
343 find $(TARGET_DIR)/usr/lib -name '*.la' -delete
344 find $(TARGET_DIR)/lib -name '*.la' -delete
347 source: $(TARGETS_SOURCE) $(HOST_SOURCE)
350 $(MAKE) SPIDER=--spider source
353 @$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
354 SPIDER=--spider source
356 #############################################################
358 # Cleanup and misc junk
360 #############################################################
361 clean: $(TARGETS_CLEAN)
362 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
364 dirclean: $(TARGETS_DIRCLEAN)
365 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
368 ifeq ($(DL_DIR),$(BASE_DIR)/dl)
371 rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
372 $(LINUX_KERNEL) $(BASE_DIR)/include \
374 $(MAKE) -C $(CONFIG) clean
377 rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
380 rm -f buildroot.tar.bz2; \
381 tar -cvf buildroot.tar buildroot; \
382 bzip2 -9 buildroot.tar; \
385 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
390 # ---------------------------------------------------------------------------
392 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
396 @mkdir -p $(CONFIG)/buildroot-config
397 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
398 -@if [ ! -f .config ]; then \
399 cp $(CONFIG_DEFCONFIG) .config; \
402 @mkdir -p $(CONFIG)/buildroot-config
403 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
404 -@if [ ! -f .config ]; then \
405 cp $(CONFIG_DEFCONFIG) .config; \
408 menuconfig: $(CONFIG)/mconf
409 @mkdir -p $(CONFIG)/buildroot-config
410 @if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
411 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
412 $(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
413 test -f .config.cmd || rm -f .config; \
416 config: $(CONFIG)/conf
417 @mkdir -p $(CONFIG)/buildroot-config
418 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
419 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
420 $(CONFIG)/conf $(CONFIG_CONFIG_IN)
422 oldconfig: $(CONFIG)/conf
423 @mkdir -p $(CONFIG)/buildroot-config
424 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
425 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
426 $(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
428 randconfig: $(CONFIG)/conf
429 @mkdir -p $(CONFIG)/buildroot-config
430 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
431 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
432 $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
434 allyesconfig: $(CONFIG)/conf
435 cat $(CONFIG_DEFCONFIG) > .config
436 @mkdir -p $(CONFIG)/buildroot-config
437 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
438 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
439 $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
440 #sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
442 allnoconfig: $(CONFIG)/conf
443 @mkdir -p $(CONFIG)/buildroot-config
444 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
445 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
446 $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
448 defconfig: $(CONFIG)/conf
449 @mkdir -p $(CONFIG)/buildroot-config
450 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
451 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
452 $(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
454 # check if download URLs are outdated
455 source-check: allyesconfig
456 $(MAKE) _source-check
458 #############################################################
460 # Cleanup and misc junk
462 #############################################################
464 rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
465 -$(MAKE) -C $(CONFIG) clean
470 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
472 %_defconfig: $(CONFIG)/conf
473 cp $(shell find ./target/ -name $@) .config
477 cp .config $(BOARD_PATH)/$(BOARD_NAME)_defconfig
479 configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
481 prepatch: gcc-patched binutils-patched gdb-patched uclibc-patched
484 @echo "0" > .lognr.$(PROJECT)
486 log: .lognr.$(PROJECT)
487 @expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)
488 @echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
489 @$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1
492 cross: $(BASE_TARGETS)
496 @echo ' clean - delete temporary files created by build'
497 @echo ' distclean - delete all non-source files (including .config)'
500 @echo ' all - make world'
502 @echo 'Configuration:'
503 @echo ' menuconfig - interactive curses-based configurator'
504 @echo ' oldconfig - resolve any unresolved symbols in .config'
506 @echo 'Miscellaneous:'
507 @echo ' source - download all sources needed for offline-build'
508 @echo ' source-check - check all packages for valid download URLs'
509 @echo ' external-deps - list external packages used'
511 @echo 'See docs/README and docs/buildroot.html for further details'
514 .PHONY: dummy subdirs release distclean clean config oldconfig \
515 menuconfig tags check test depend defconfig help