1 # Makefile for buildroot2
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #--------------------------------------------------------------
22 # Just run 'make menuconfig', configure stuff, then run 'make'.
23 # You shouldn't need to mess with anything beyond this point...
24 #--------------------------------------------------------------
26 CONFIG_CONFIG_IN=Config.in
27 CONFIG_DEFCONFIG=.defconfig
29 DATE:=$(shell date +%Y%m%d)
31 noconfig_targets:=menuconfig xconfig config oldconfig randconfig \
32 defconfig allyesconfig allnoconfig release tags \
35 # Strip quotes and then whitespaces
36 qstrip=$(strip $(subst ",,$(1)))
39 # Variables for use in Make constructs
42 space:=$(empty) $(empty)
44 # $(shell find . -name *_defconfig |sed 's/.*\///')
45 # Pull in the user's configuration file
46 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
50 # Override BR2_DL_DIR if shell variable defined
51 ifneq ($(BUILDROOT_DL_DIR),)
52 BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
55 # To put more focus on warnings, be less verbose as default
56 # Use 'make V=1' to see the full commands
58 ifeq ("$(origin V)", "command line")
66 ifeq ($(KBUILD_VERBOSE),1)
77 # we want bash as shell
78 SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
79 else if [ -x /bin/bash ]; then echo /bin/bash; \
82 # kconfig uses CONFIG_SHELL
83 CONFIG_SHELL:=$(SHELL)
85 export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
115 HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
116 HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
117 HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
118 HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
119 HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
120 HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
121 HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
122 HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
123 HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
125 ifndef CFLAGS_FOR_BUILD
126 CFLAGS_FOR_BUILD:=-g -O2
128 ifndef CXXFLAGS_FOR_BUILD
129 CXXFLAGS_FOR_BUILD:=-g -O2
131 ifndef FCFLAGS_FOR_BUILD
132 FCFLAGS_FOR_BUILD:=-g -O2
134 export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
137 ifeq ($(BR2_HAVE_DOT_CONFIG),y)
140 # Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
141 # sets -march=winchip-c6 if supported else falls back to -march=i586
142 # without checking the latter.
143 cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
144 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
146 #############################################################
148 # Hide troublesome environment variables from sub processes
150 #############################################################
151 unexport CROSS_COMPILE
154 #############################################################
156 # Setup the proper filename extensions for the host
158 ##############################################################
159 ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
164 ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
169 ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
173 HOST_LOADLIBES="-lcurses -lintl"
174 export HOST_LOADLIBES
176 ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
182 # The preferred type of libs we build for the target
183 ifeq ($(BR2_PREFER_STATIC_LIB),y)
185 #PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
188 #PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
190 PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
192 ##############################################################
194 # The list of stuff to build for the target toolchain
195 # along with the packages to build for the target.
197 ##############################################################
198 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
199 BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
205 # silent mode requested?
206 QUIET:=$(if $(findstring s,$(MAKEFLAGS)),-q)
208 # Strip off the annoying quoting
209 ARCH:=$(call qstrip,$(BR2_ARCH))
210 ifeq ($(ARCH),xtensa)
211 ARCH:=$(ARCH)_$(call qstrip,$(BR2_xtensa_core_name))
213 WGET:=$(call qstrip,$(BR2_WGET)) $(SPIDER) $(QUIET)
214 SVN_CO:=$(call qstrip,$(BR2_SVN_CO)) $(QUIET)
215 SVN_UP:=$(call qstrip,$(BR2_SVN_UP)) $(QUIET)
216 BZR_CO:=$(call qstrip,$(BR2_BZR_CO)) $(QUIET)
217 BZR_UP:=$(call qstrip,$(BR2_BZR_UP)) $(QUIET)
218 GIT:=$(call qstrip,$(BR2_GIT)) $(QUIET)
219 ZCAT:=$(call qstrip,$(BR2_ZCAT))
220 BZCAT:=$(call qstrip,$(BR2_BZCAT))
221 TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf
223 ifneq ("$(origin O)", "command line")
226 # other packages might also support Linux-style out of tree builds
227 # with the O=<dir> syntax (E.G. Busybox does). As make automatically
228 # forwards command line variable definitions those packages get very
229 # confused. Fix this by telling make to not do so
233 BASE_DIR := $(shell mkdir -p $(O) && cd $(O) && pwd)
234 $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
236 DL_DIR=$(call qstrip,$(BR2_DL_DIR))
241 BUILD_DIR:=$(BASE_DIR)/build
243 GNU_TARGET_SUFFIX:=-$(call qstrip,$(BR2_GNU_TARGET_SUFFIX))
245 STAGING_DIR:=$(call qstrip,$(BR2_STAGING_DIR))
247 # packages compiled for the host goes here
248 HOST_DIR:=$(BASE_DIR)/host
250 # stamp (dependency) files go here
251 STAMP_DIR:=$(BASE_DIR)/stamps
253 BINARIES_DIR:=$(BASE_DIR)/images
254 TARGET_DIR:=$(BASE_DIR)/target
256 # define values for prepatched source trees for toolchains
257 VENDOR_SITE:=$(call qstrip,$(BR2_VENDOR_SITE))
258 VENDOR_SUFFIX:=$(call qstrip,$(BR2_VENDOR_SUFFIX))
259 VENDOR_BINUTILS_RELEASE:=$(call qstrip,$(BR2_VENDOR_BINUTILS_RELEASE))
260 VENDOR_GCC_RELEASE:=$(call qstrip,$(BR2_VENDOR_GCC_RELEASE))
261 VENDOR_UCLIBC_RELEASE:=$(call qstrip,$(BR2_VENDOR_UCLIBC_RELEASE))
262 VENDOR_GDB_RELEASE:=$(call qstrip,$(BR2_VENDOR_GDB_RELEASE))
263 VENDOR_PATCH_DIR:=$(call qstrip,$(BR2_VENDOR_PATCH_DIR))
265 BR2_DEPENDS_DIR=$(BUILD_DIR)/buildroot-config
267 include toolchain/Makefile.in
268 include package/Makefile.in
270 #############################################################
272 # You should probably leave this stuff alone unless you know
273 # what you are doing.
275 #############################################################
279 # In this section, we need .config
282 # We also need the various per-package makefiles, which also add
283 # each selected package to TARGETS if that package was selected
284 # in the .config file.
285 ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
286 # avoid pulling in external toolchain which is broken for toplvl parallel builds
288 include toolchain/dependencies/dependencies.mk
289 include toolchain/binutils/binutils.mk
290 include toolchain/ccache/ccache.mk
291 include toolchain/elf2flt/elf2flt.mk
292 include toolchain/gcc/gcc-uclibc-3.x.mk
293 include toolchain/gcc/gcc-uclibc-4.x.mk
294 include toolchain/gdb/gdb.mk
295 include toolchain/kernel-headers/kernel-headers.mk
296 include toolchain/mklibs/mklibs.mk
297 include toolchain/sstrip/sstrip.mk
298 include toolchain/uClibc/uclibc.mk
300 include toolchain/*/*.mk
303 ifeq ($(BR2_PACKAGE_LINUX),y)
304 TARGETS+=linux26-modules
307 include package/*/*.mk
309 TARGETS+=target-finalize
311 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
312 TARGETS+=target-purgelocales
315 # target stuff is last so it can override anything else
316 include target/Makefile.in
318 TARGETS+=erase-fakeroots
320 TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
321 TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
322 TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
323 TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
324 # all targets depend on the crosscompiler and it's prerequisites
325 $(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
327 $(BR2_DEPENDS_DIR): .config
330 cp -dpRf $(CONFIG)/buildroot-config $@
332 dirs: $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
333 $(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(STAMP_DIR)
335 $(BASE_TARGETS): dirs
337 world: dependencies dirs $(BASE_TARGETS) $(TARGETS_ALL)
340 .PHONY: all world dirs clean dirclean distclean source \
341 $(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
342 $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
343 $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
344 $(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(STAMP_DIR)
346 #############################################################
348 # staging and target directories do NOT list these as
349 # dependencies anywhere else
351 #############################################################
352 $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR):
356 @mkdir -p $(STAGING_DIR)/bin
357 @mkdir -p $(STAGING_DIR)/lib
358 ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
359 @mkdir -p $(STAGING_DIR)/usr/lib
361 ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
362 @ln -snf . $(STAGING_DIR)/usr
363 @mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
364 @ln -snf ../lib $(STAGING_DIR)/usr/lib
365 @ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
368 @mkdir -p $(STAGING_DIR)/usr/include
371 mkdir -p $(TARGET_DIR)
372 if ! [ -d "$(TARGET_DIR)/bin" ]; then \
373 if [ -d "$(TARGET_SKELETON)" ]; then \
374 cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
376 if [ -d "$(TARGET_SKELETON_PATCH)" ]; then \
377 toolchain/patch-kernel.sh $(TARGET_DIR) $(TARGET_SKELETON_PATCH)/ \*patch\*; \
379 touch $(STAGING_DIR)/.fakeroot.00000; \
381 -find $(TARGET_DIR) -type d -name CVS -print0 -o -name .svn -print0 | xargs -0 rm -rf
382 -find $(TARGET_DIR) -type f -name .empty -print0 | xargs -0 rm -rf
385 $(TARGET_DIR): $(BUILD_DIR)/.root
388 rm -f $(BUILD_DIR)/.fakeroot*
391 ifeq ($(BR2_HAVE_DEVFILES),y)
392 ( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
394 rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
395 find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
396 find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
398 ifneq ($(BR2_HAVE_MANPAGES),y)
399 rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
401 ifneq ($(BR2_HAVE_INFOPAGES),y)
402 rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
404 find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIPCMD) 2>/dev/null || true
405 $(TARGET_LDCONFIG) -r $(TARGET_DIR) 2>/dev/null
407 ifneq ($(BR2_ROOTFS_POST_BUILD_SCRIPT),"")
408 $(BR2_ROOTFS_POST_BUILD_SCRIPT) $(TARGET_DIR)
411 ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
412 LOCALE_WHITELIST=$(BUILD_DIR)/locales.nopurge
413 LOCALE_NOPURGE=$(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))
416 rm -f $(LOCALE_WHITELIST)
417 for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done
419 for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man)); \
421 for lang in $$(cd $$dir; ls .|grep -v man); \
423 grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
428 source: $(TARGETS_SOURCE) $(HOST_SOURCE)
431 $(MAKE) SPIDER=--spider source
434 @$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
435 SPIDER=--spider source
437 #############################################################
439 # Cleanup and misc junk
441 #############################################################
442 clean: $(TARGETS_CLEAN)
443 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(BUILD_DIR)/.root $(STAMP_DIR)
445 dirclean: $(TARGETS_DIRCLEAN)
446 rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(BUILD_DIR)/.root $(STAMP_DIR)
449 ifeq ($(DL_DIR),$(TOPDIR)/dl)
452 rm -rf $(TOOLCHAIN_DIR) $(BUILD_DIR) $(BINARIES_DIR) \
454 $(MAKE) -C $(CONFIG) clean
456 else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
461 # ---------------------------------------------------------------------------
463 HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
467 @mkdir -p $(CONFIG)/buildroot-config
468 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
469 -@if [ ! -f .config ]; then \
470 cp $(CONFIG_DEFCONFIG) .config; \
474 @mkdir -p $(CONFIG)/buildroot-config
475 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) mconf
476 -@if [ ! -f .config ]; then \
477 cp $(CONFIG_DEFCONFIG) .config; \
481 @mkdir -p $(CONFIG)/buildroot-config
482 $(MAKE) CC="$(HOSTCC)" -C $(CONFIG) qconf
483 -@if [ ! -f .config ]; then \
484 cp $(CONFIG_DEFCONFIG) .config; \
487 xconfig: $(CONFIG)/qconf
488 @mkdir -p $(CONFIG)/buildroot-config
489 @if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
490 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
491 $(CONFIG)/qconf $(CONFIG_CONFIG_IN); then \
492 test -f .config.cmd || rm -f .config; \
495 menuconfig: $(CONFIG)/mconf
496 @mkdir -p $(CONFIG)/buildroot-config
497 @if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
498 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
499 $(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
500 test -f .config.cmd || rm -f .config; \
503 config: $(CONFIG)/conf
504 @mkdir -p $(CONFIG)/buildroot-config
505 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
506 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
507 $(CONFIG)/conf $(CONFIG_CONFIG_IN)
509 oldconfig: $(CONFIG)/conf
510 @mkdir -p $(CONFIG)/buildroot-config
511 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
512 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
513 $(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
515 randconfig: $(CONFIG)/conf
516 @mkdir -p $(CONFIG)/buildroot-config
517 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
518 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
519 $(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
521 allyesconfig: $(CONFIG)/conf
522 cat $(CONFIG_DEFCONFIG) > .config
523 @mkdir -p $(CONFIG)/buildroot-config
524 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
525 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
526 $(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
527 #sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
529 allnoconfig: $(CONFIG)/conf
530 @mkdir -p $(CONFIG)/buildroot-config
531 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
532 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
533 $(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
535 defconfig: $(CONFIG)/conf
536 @mkdir -p $(CONFIG)/buildroot-config
537 @KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
538 KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
539 $(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
541 # check if download URLs are outdated
542 source-check: allyesconfig
543 $(MAKE) _source-check
545 #############################################################
547 # Cleanup and misc junk
549 #############################################################
551 rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
552 -$(MAKE) -C $(CONFIG) clean
558 endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
561 rm -f $(BUILD_DIR)/tgt-config.cache
563 %_defconfig: $(CONFIG)/conf
564 cp $(shell find ./target/ -name $@) .config
567 configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
569 prepatch: gcc-patched binutils-patched gdb-patched uclibc-patched
571 cross: $(BASE_TARGETS)
575 @echo ' clean - delete temporary files created by build'
576 @echo ' distclean - delete all non-source files (including .config)'
579 @echo ' all - make world'
581 @echo 'Configuration:'
582 @echo ' menuconfig - interactive curses-based configurator'
583 @echo ' xconfig - interactive Qt-based configurator'
584 @echo ' oldconfig - resolve any unresolved symbols in .config'
585 @echo ' configured - make {uclibc/busybox/linux26}-config'
586 @echo ' saveconfig - save current configuration under local/<project>'
587 @echo ' getconfig - restore saved configuration from local/<project>'
589 @echo 'Miscellaneous:'
590 @echo ' source - download all sources needed for offline-build'
591 @echo ' source-check - check all packages for valid download URLs'
592 @echo ' external-deps - list external packages used'
593 @echo ' flush - flush configuration cache'
595 @echo 'See docs/README and docs/buildroot.html for further details'
599 OUT=buildroot-$$(grep -A2 BR2_VERSION $(CONFIG_CONFIG_IN)|grep default|cut -f2 -d\"); \
600 rm -rf ../$$OUT*; cp -al . ../$$OUT; cd ..; \
601 tar cfz $$OUT.tar.gz --exclude .svn --exclude .git --exclude \*~ $$OUT; \
604 .PHONY: dummy subdirs release distclean clean config oldconfig \
605 menuconfig xconfig tags check test depend defconfig help