aarch64 CPU arch / ThunderX platform initial support
[vpp.git] / build-root / Makefile
1 # Copyright (c) 2015 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
5 #
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7 #
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9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
13
14 #
15 # Copyright (c) 2007-2008 Eliot Dresselhaus
16 #
17 #  Permission is hereby granted, free of charge, to any person obtaining
18 #  a copy of this software and associated documentation files (the
19 #  "Software"), to deal in the Software without restriction, including
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22 #  permit persons to whom the Software is furnished to do so, subject to
23 #  the following conditions:
24 #
25 #  The above copyright notice and this permission notice shall be
26 #  included in all copies or substantial portions of the Software.
27 #
28 #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29 #  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30 #  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31 #  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32 #  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33 #  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34 #  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 #
36
37 ######################################################################
38 # Collect makefile fragments
39 ######################################################################
40
41 # Scripts require non-POSIX parts of bash
42 SHELL := /bin/bash
43
44 # Where this makefile lives
45 MU_BUILD_ROOT_DIR = $(shell pwd)
46 MU_BUILD_NAME = $(shell basename $(MU_BUILD_ROOT_DIR))
47
48 # Search path (e.g. multiple directories) where sources are found.
49 SOURCE_PATH =
50
51 # Pick up user's definitions for variables e.g. SOURCE_PATH, etc.
52 -include build-config.mk
53
54 MU_BUILD_ROOT_NAME = $(shell basename $(MU_BUILD_ROOT_DIR))
55 MU_BUILD_DATA_DIR_NAME = build-data
56
57 ABSOLUTE_SOURCE_PATH = $(foreach d,$(SOURCE_PATH),$(shell cd $(d) && pwd))
58
59 SOURCE_PATH_BUILD_ROOT_DIRS = $(addsuffix /$(MU_BUILD_NAME),$(ABSOLUTE_SOURCE_PATH))
60 SOURCE_PATH_BUILD_DATA_DIRS = $(addsuffix /$(MU_BUILD_DATA_DIR_NAME),$(ABSOLUTE_SOURCE_PATH))
61
62 # For tools use build-root as source path, otherwise use given source path
63 FIND_SOURCE_PATH =                                              \
64   $(if $(is_build_tool),                                        \
65     $(SOURCE_PATH_BUILD_ROOT_DIRS) $(MU_BUILD_ROOT_DIR),        \
66     $(SOURCE_PATH_BUILD_DATA_DIRS))
67
68 # First search given source path, then default to build-root
69 FULL_SOURCE_PATH = $(SOURCE_PATH_BUILD_DATA_DIRS) $(MU_BUILD_ROOT_DIR)
70
71 # Misc functions
72 is_in_fn = $(strip $(filter $(1),$(2)))
73 last_fn = $(lastword $1)
74 chop_fn = $(wordlist 2,$(words $1),x $1)
75 uniq_fn = $(strip $(if $1,$(call uniq_fn,$(call chop_fn,$1)) \
76             $(if $(filter $(call last_fn,$1),$(call chop_fn,$1)),,$(call last_fn,$1))))
77 ifdef3_fn = $(if $(patsubst undefined,,$(origin $(1))),$(3),$(2))
78 ifdef_fn = $(call ifdef3_fn,$(1),$(2),$($(1)))
79
80 _mu_debug = $(warning "$(1) = $($(1))")
81
82 $(foreach d,$(FIND_SOURCE_PATH),                                        \
83   $(eval _mu_package_mk_in_$(d) = $(shell find $(d)/packages/*.mk 2> /dev/null))        \
84   $(eval _mu_srcdirs_in_$(d) =                                          \
85     $(shell find $(d)/..                                                \
86       -maxdepth 1                                                       \
87       -type d                                                           \
88       -and -not -name ".."                                              \
89       -and -not -name $(MU_BUILD_ROOT_NAME)                             \
90       -and -not -name $(MU_BUILD_DATA_DIR_NAME)))                       \
91   $(eval _mu_non_package_files_in_$(d) =                                \
92     $(shell find $(d)/packages                                          \
93       -type f                                                           \
94       -and -not -name '*.mk'                                            \
95       -and -not -name '*~' 2> /dev/null))                               \
96   $(foreach p,$(patsubst %.mk,%,$(notdir $(_mu_package_mk_in_$(d)))),   \
97     $(eval _mu_package_dir_$(p) = $(d))                                 \
98     $(eval _mu_package_mk_$(p) = $(d)/packages/$(p).mk)                 \
99   )                                                                     \
100   $(foreach p,$(notdir $(_mu_srcdirs_in_$(d))),                         \
101     $(eval _mu_package_srcdir_$(p) = $(shell cd $(d)/../$(p) && pwd))   \
102   )                                                                     \
103 )
104
105 # Find root directory for package based on presence of package .mk
106 # makefile fragment on source path.
107 _find_build_data_dir_for_package_fn = $(shell                   \
108   set -eu$(BUILD_DEBUG) ;                                       \
109   for d in $(FIND_SOURCE_PATH) ; do                             \
110     f="$${d}/packages/$(1).mk" ;                                \
111     [[ -f $${f} ]] && echo `cd $${d} && pwd` && exit 0 ;        \
112   done ;                                                        \
113   echo "")
114 find_build_data_dir_for_package_fn = $(call ifdef_fn,_mu_package_dir_$(1),)
115
116 # dir/PACKAGE
117 _find_source_fn = $(shell                               \
118   set -eu$(BUILD_DEBUG) ;                               \
119   d="$(call find_build_data_dir_for_package_fn,$(1))" ; \
120   [[ -n "$${d}" ]] && d="$${d}/../$(1)" ;               \
121   echo "$${d}")
122 find_source_fn = $(call ifdef3_fn,_mu_package_dir_$(1),,$(_mu_package_dir_$(1))/../$(1))
123
124 # Find given FILE in source path as build-data/packages/FILE
125 find_package_file_fn = $(shell                          \
126   set -eu$(BUILD_DEBUG) ;                               \
127   d="$(call find_build_data_dir_for_package_fn,$(1))" ; \
128   [[ -n "$${d}" ]] && d="$${d}/packages/$(2)" ;         \
129   [[ -f "$${d}" ]] && echo "$${d}")
130
131 # Find first FILE in source path with name PATH/build-data/FILE
132 find_build_data_file_fn = $(shell                               \
133   set -eu$(BUILD_DEBUG) ;                                       \
134   for d in $(FIND_SOURCE_PATH) ; do                             \
135     f="$${d}/$(1)" ;                                            \
136     [[ -f $${f} ]] && echo `cd $${d} && pwd`/$(1) && exit 0 ;   \
137   done ;                                                        \
138   echo "")
139
140 ######################################################################
141 # ARCH, PLATFORM
142 ######################################################################
143
144 NATIVE_ARCH = $(shell gcc -dumpmachine | sed -e 's/\([a-zA-Z_0-9]*\)-.*/\1/')
145
146 # Find all platforms.mk that we can, including those from build-root
147 $(foreach d,$(FULL_SOURCE_PATH), \
148   $(eval -include $(d)/platforms.mk))
149
150 # Platform should be defined somewhere by specifying $($(PLATFORM)_arch)
151 ARCH = $(strip $($(PLATFORM)_arch))
152 ifeq ($(ARCH),)
153   $(error "Unknown platform `$(PLATFORM)'")
154 endif
155
156 # map e.g. ppc7450 -> ppc
157 BASIC_ARCH = \
158    ${shell case '$(ARCH)' in \
159       (native) echo $(NATIVE_ARCH) ;; \
160       (i*86*) echo i386 ;; \
161       (ppc*|powerpc*) echo ppc ;; \
162       (*) echo '$(ARCH)' ;; \
163      esac }
164
165 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
166 BIARCH = 64
167
168 x86_64_libdir = $(BIARCH)
169 native_libdir = $($(NATIVE_ARCH)_libdir)
170
171 # lib or lib64 depending
172 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
173
174 # OS to configure for.  configure --host will be set to $(ARCH)-$(OS)
175 # Allow per-platform overrides
176
177 OS = $(strip $($(PLATFORM)_os))
178 ifeq ($(OS),)
179   OS = mu-linux
180 endif
181
182 spu_target = spu
183 native_target =
184
185 is_native = $(if $(ARCH:native=),,true)
186 not_native = $(if $(ARCH:native=),true,)
187
188 ARCH_TARGET_tmp = $(call ifdef_fn,$(ARCH)_target,$(ARCH)-$(OS))
189 TARGET = $(call ifdef_fn,$(PLATFORM)_target,$(ARCH_TARGET_tmp))
190 TARGET_PREFIX = $(if $(not_native),$(TARGET)-,)
191
192 # CPU microarchitecture detection. 
193 # Either set <platform>_march in build-data/platforms/<platform>.mk,
194 # or detect and use the build-host instruction set
195
196 MARCH = $(strip $($(PLATFORM)_march))
197 ifeq ($(MARCH),)
198   ifneq ($(wildcard $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc),)
199     TARGET_GCC = $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc
200   else ifneq ($(wildcard $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc),)
201     TARGET_GCC = $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc
202   endif
203   ifneq ($(TARGET_GCC),)
204     MARCH = $(shell $(TARGET_GCC) -Q --help=target -march=native | grep march | sed -e 's/.*march=[[:space:]]*//')
205   else
206     MARCH = native
207   endif
208 else
209   ifeq ($(MARCH),nehalem)
210     override MARCH = corei7
211   else ifeq ($(MARCH),westmere)
212     override MARCH = corei7
213   else ifeq ($(MARCH),sandybridge)
214     override MARCH = corei7-avx
215   else ifeq ($(MARCH),ivybridge)
216     override MARCH = core-avx-i
217   else ifeq ($(MARCH),haswell)
218     override MARCH = core-avx2
219   endif
220 endif
221 export MARCH
222
223 ######################################################################
224 # Generic build stuff
225 ######################################################################
226
227 # The package we are currently working on
228 PACKAGE = $*
229
230 # Build/install tags.  This lets you have different CFLAGS/CPPFLAGS/LDFLAGS
231 # for e.g. debug versus optimized compiles.  Each tag has its own set of build/install
232 # areas.
233 TAG = 
234 TAG_PREFIX = $(if $(TAG),$(TAG)-)
235
236 # yes you need the space
237 tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
238
239 # TAG=debug for debugging
240 debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH)
241 debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -march=$(MARCH)
242
243 # TAG=prof for profiling
244 prof_TAG_CFLAGS = -g -pg -O2
245 prof_TAG_LDFLAGS = -g -pg -O2
246
247 # TAG=o0
248 o0_TAG_CFLAGS = -g -O0
249 o1_TAG_LDFLAGS = -g -O0
250
251 # TAG=o1
252 o1_TAG_CFLAGS = -g -O1
253 o1_TAG_LDFLAGS = -g -O1
254
255 # TAG=o2
256 o2_TAG_CFLAGS = -g -O2
257 o2_TAG_LDFLAGS = -g -O2
258
259 # TAG=o3
260 o3_TAG_CFLAGS = -g -O3
261 o3_TAG_LDFLAGS = -g -O3
262
263 BUILD_PREFIX_package = build-$(TAG_PREFIX)
264 BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
265 INSTALL_PREFIX = install-$(TAG_PREFIX)
266 IMAGES_PREFIX = images-$(TAG_PREFIX)
267
268 # Whether we are building a tool or not
269 tool_or_package_fn = $(if $(is_build_tool),tool,package)
270
271 # Directory where packages are built & installed
272 BUILD_DIR = $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_$(call tool_or_package_fn))$(ARCH)
273
274 ## BURT
275 # we will deprecate INSTALL_DIR shortly for DFLT_INSTALL_DIR
276 INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
277 # DFLT_INSTALL_DIR used in platforms.mk for $(PLATFORM)_DESTDIR_BASE
278 DFLT_INSTALL_DIR := $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
279 ## BURT
280
281 PLATFORM_IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)$(PLATFORM)
282
283 # $(call VAR,DEFAULT)
284 override_var_with_default_fn = $(if $($(1)),$($(1)),$(2))
285
286 # $(call if_directory_exists_fn,D1,D2) returns D1 if it exists else D2
287 define if_directory_exists_fn
288 $(shell if test -d $(1); then echo $(1); else echo $(2); fi)
289 endef
290
291 # $(call if_file_exists_fn,F1,F2) returns F1 if it exists else F2
292 define if_file_exists_fn
293 $(shell if test -f $(1); then echo $(1); else echo $(2); fi)
294 endef
295
296 # Default VAR, package specified override of default PACKAGE_VAR
297 package_var_fn = $(call override_var_with_default_fn,$(1)_$(2),$(1))
298
299 package_build_dir_fn = $(call package_var_fn,$(1),build_dir)
300
301 package_install_dir_fn = \
302   $(if $(is_build_tool),$(TOOL_INSTALL_DIR),$(INSTALL_DIR)/$(call package_build_dir_fn,$(1)))
303
304 PACKAGE_BUILD_DIR = \
305   $(BUILD_DIR)/$(call package_build_dir_fn,$(PACKAGE))
306 PACKAGE_INSTALL_DIR = \
307   $(call package_install_dir_fn,$(PACKAGE))
308
309 # Tools (gcc, binutils, glibc...) are installed here
310 TOOL_INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/tools
311
312 # Target specific tools go here e.g. mu-build/tools/ppc-mu-linux
313 TARGET_TOOL_INSTALL_DIR = $(TOOL_INSTALL_DIR)/$(TARGET)
314
315 # Set BUILD_DEBUG to vx or x enable shell command tracing.
316 BUILD_DEBUG =
317
318 # Message from build system itself (as opposed to make or shell commands)
319 build_msg_fn = echo "@@@@ $(1) @@@@"
320
321 # Always prefer our own tools to those installed on system.
322 # Note: ccache-bin must be before tool bin.
323 BUILD_ENV =                                                                             \
324     export CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache ;                                    \
325     export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;       \
326     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;                                   \
327     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)  \
328     export LD_LIBRARY_PATH=$(TOOL_INSTALL_DIR)/lib64:$(TOOL_INSTALL_DIR)/lib ;          \
329     set -eu$(BUILD_DEBUG) ;                                                             \
330     set -o pipefail
331
332 ######################################################################
333 # Package build generic definitions
334 ######################################################################
335
336 package_dir_fn = \
337   $(call find_build_data_dir_for_package_fn,$(1))/packages
338
339 package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
340
341 ### BURT
342
343 #next version
344 #pkgPhaseDependMacro = $(foreach x,configure build install,                  \
345                         $(eval $(1)_$(x)_depend := $($(1)_depend:%=%-$(x))))
346 #version equivalent to original code
347 pkgPhaseDependMacro = $(eval $(1)_configure_depend := $($(1)_depend:%=%-install))
348
349 ### BURT
350
351 # Pick up built-root/pre-package-include.mk for all source directories
352 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
353   $(eval -include $(d)/pre-package-include.mk))
354
355 $(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)),                 \
356   $(eval -include $(d)/*.mk)                                            \
357   $(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
358 )
359
360 # Pick up built-root/post-package-include.mk for all source directories
361 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
362   $(eval -include $(d)/post-package-include.mk))
363
364 # Linux specific native build tools
365 NATIVE_TOOLS_LINUX =                            \
366   e2fsimage                                     \
367   e2fsprogs                                     \
368   fakeroot                                      \
369   jffs2                                         \
370   mkimage                                       \
371   zlib                                          \
372   xz                                            \
373   squashfs
374
375 IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
376
377 NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
378
379 # only build glibc for linux installs
380 CROSS_TOOLS_$(IS_LINUX) += glibc gcc
381
382 # must be first for bootstrapping
383 NATIVE_TOOLS = findutils make
384
385 # basic tools needed for build system
386 NATIVE_TOOLS += git automake autoconf libtool texinfo bison flex tar
387
388 # needed to compile gcc
389 NATIVE_TOOLS += mpfr gmp mpc
390
391 # Tool to sign binaries
392 NATIVE_TOOLS += sign
393
394 # ccache
395 NATIVE_TOOLS += ccache
396
397 # Tools needed on native host to build for platform
398 NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
399
400 # Tools for cross-compiling from native -> ARCH
401 CROSS_TOOLS = binutils gcc-bootstrap gdb
402
403 # Tools needed on native host to build for platform
404 CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
405
406 NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
407 CROSS_TOOLS += $(CROSS_TOOLS_yes)
408
409 timestamp_name_fn = .mu_build_$(1)_timestamp
410 CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
411 BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
412 INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
413
414 TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
415
416 find_newer_files_fn =                                           \
417   "`for i in $(2) ; do                                          \
418       [[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0;     \
419     done ;                                                      \
420     exit 0;`"
421
422 find_filter = -not -name '*~'
423 find_filter += -and -not -path '*/.git*'
424 find_filter += -and -not -path '*/.svn*'
425 find_filter += -and -not -path '*/.CVS*'
426 find_filter += -and -not -path '*/manual/*'
427 find_filter += -and -not -path '*/autom4te.cache/*'
428 find_filter += -and -not -path '*/doc/all-cfg.texi'
429 find_filter += -and -not -path '*/.mu_build_*'
430
431 find_newer_filtered_fn =                        \
432   (! -f $(1)                                    \
433     || -n $(call find_newer_files_fn,$(1),$(3)) \
434     || -n "`find -H $(2)                        \
435               -type f                           \
436               -and -newer $(1)                  \
437               -and \( $(4) \)                   \
438               -print -quit`")
439
440 find_newer_fn =                                                 \
441   $(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
442
443 ######################################################################
444 # Package dependencies
445 ######################################################################
446
447 # This must come before %-configure, %-build, %-install pattern rules
448 # or else dependencies will not work.
449
450 package_dependencies_fn =                               \
451   $(patsubst %-install, %,                              \
452     $(filter %-install,$($(1)_configure_depend)))
453
454 PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
455
456 # package specific configure, build, install dependencies
457 add_package_dependency_fn = \
458   $(if $($(1)_$(2)_depend), \
459        $(eval $(1)-$(2) : $($(1)_$(2)_depend)))
460
461 $(foreach p,$(ALL_PACKAGES), \
462     $(call add_package_dependency_fn,$(p),configure) \
463     $(call add_package_dependency_fn,$(p),build) \
464     $(call add_package_dependency_fn,$(p),install))
465
466 TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
467
468 # carry over packages dependencies to image install, wipe, pull-all, push-all
469 $(foreach p,$(ALL_PACKAGES),                                                    \
470   $(if $($(p)_configure_depend),                                                \
471     $(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES),                             \
472       $(eval $(p)-$(s):                                                         \
473              $(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
474
475 # recursively resolve dependencies
476 resolve_dependencies2_fn = $(strip                                      \
477   $(eval __added = $(filter-out $(4),                                   \
478     $(call uniq_fn,                                                     \
479       $(foreach l,$(3),                                                 \
480        $(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1))))             \
481       ))))                                                              \
482   $(eval __known = $(call uniq_fn,$(4) $(3) $(__added)))                \
483   $(if $(__added),                                                      \
484     $(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)),   \
485     $(__known))                                                         \
486 )
487
488 resolve_dependencies_null_fn = $(1)
489
490 resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
491
492 ######################################################################
493 # Package configure
494 ######################################################################
495
496 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
497 BIARCH = 64
498
499 x86_64_libdir = $(BIARCH)
500 native_libdir = $($(NATIVE_ARCH)_libdir)
501
502 # lib or lib64 depending
503 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
504
505 # find dynamic linker as absolute path
506 TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
507 DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
508
509 # Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
510 # Yes, this is a kludge.
511 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
512
513 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
514 # Allow per-platform overrides
515 CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
516 ifeq ($(CROSS_LDFLAGS),)
517   CROSS_LDFLAGS =                                                                                       \
518     -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)       \
519     -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
520 endif
521
522 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
523
524 # $(call installed_libs_fn,PACKAGE)
525 # Return install library directory for given package.
526 # Some packages (e.g. openssl) don't install under lib64; instead they use lib
527 define installed_lib_fn
528 $(call if_directory_exists_fn,
529   $(call package_install_dir_fn,$(1))/$(arch_lib_dir),
530   $(call package_install_dir_fn,$(1))/lib)
531 endef
532
533 # Set -L and rpath to point to dependent libraries previously built by us.
534 installed_libs_fn =                                     \
535   $(foreach i,$(1),                                     \
536     -L$(call installed_lib_fn,$(i))                     \
537     -Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
538
539 # As above for include files
540 installed_include_fn = $(call package_install_dir_fn,$(1))/include
541
542 installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
543
544 # By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
545 # point at dependent install directories.
546 DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
547 DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
548
549 configure_var_fn = \
550   $(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
551 configure_ldflags_fn = \
552   $(cross_ldflags)$(call configure_var_fn,LDFLAGS)
553
554 # Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
555 CONFIGURE_ENV =                                                         \
556     $(if $(call configure_var_fn,CPPFLAGS),                             \
557          CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)")      \
558     $(if $(call configure_var_fn,CFLAGS),                               \
559          CFLAGS="$(CFLAGS) $(call configure_var_fn,CFLAGS)")            \
560     $(if $(call configure_var_fn,CCASFLAGS),                            \
561          CCASFLAGS="$(CCASFLAGS) $(call configure_var_fn,CCASFLAGS)")   \
562     $(if $(call configure_ldflags_fn),                                  \
563          LDFLAGS="$(LDFLAGS) $(call configure_ldflags_fn)")             \
564     $(if $($(PACKAGE)_configure_env),$($(PACKAGE)_configure_env))
565
566 ### BURT
567 # only partially used now (used in a few .mk files)
568 ifeq ($(is_build_tool),yes)
569 prefix     = $(PACKAGE_INSTALL_DIR)
570 libdir     = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
571 libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
572 DESTDIR     = /
573 else
574 # Eventually simplify this with no per package DESTDIR or prefix
575 ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
576 pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
577 prefixMacro     = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
578 prefix = $(call prefixMacro,$(PACKAGE))
579 libdir     = $($(PLATFORM)_LIBDIR)
580 libexecdir = $($(PLATFORM)_LIBEXECDIR)
581 destdirMacro  = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
582 DESTDIR  = $(call destdirMacro,$(PACKAGE))
583 endif
584 ### BURT
585 ### dbarach
586 image_extra_dependencies = $($(PLATFORM)_image_extra_dependencies)
587 ### dbarach
588
589 configure_package_gnu =                                         \
590   s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                  \
591   if [ ! -f $$s/configure ] ; then                              \
592     autoreconf -i -f $$s ;                                      \
593   fi ;                                                          \
594   cd $(PACKAGE_BUILD_DIR) ;                                     \
595   env $(CONFIGURE_ENV)                                          \
596     $$s/configure                                               \
597       $(if $($(PACKAGE)_configure_host_and_target),             \
598            $($(PACKAGE)_configure_host_and_target),             \
599            $(if $(not_native),--host=$(TARGET),))               \
600       $(if $($(PACKAGE)_configure_prefix),                      \
601            $($(PACKAGE)_configure_prefix),                      \
602            --libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)      \
603            --prefix=$(PACKAGE_INSTALL_DIR))                     \
604       $($(PACKAGE)_configure_args)                              \
605       $($(PACKAGE)_configure_args_$(PLATFORM))
606
607 configure_package =                                                     \
608   $(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
609   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
610   $(if $($(PACKAGE)_configure),                                         \
611        $($(PACKAGE)_configure),                                         \
612        $(configure_package_gnu))
613
614 # Tools (e.g. gcc, binutils, gdb) required a platform to build for
615 check_platform =                                                                \
616   is_tool="$(is_build_tool)" ;                                                  \
617   is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ;                  \
618   is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ;                        \
619   if [ "$${is_tool}" == "yes"                                                   \
620        -a "$${is_cross_package}" != ""                                          \
621        -a "$${is_arch_native}" != "" ]; then                                    \
622     $(call build_msg_fn,You must specify PLATFORM for building tools) ;         \
623     exit 1 ;                                                                    \
624   fi ;                                                                          \
625   : check that platform gcc can be found ;                                      \
626   target_gcc=gcc ;                                                              \
627   if [ "$${is_arch_native}" != "yes" ] ; then                                   \
628     target_gcc=$(TARGET)-gcc ;                                                  \
629   fi ;                                                                          \
630   if [ "$${is_tool}" != "yes"                                                   \
631        -a "$${is_arch_native}" != "yes"                                         \
632        -a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then                   \
633     $(call build_msg_fn,                                                        \
634            No cross-compiler found for platform $(PLATFORM) target $(TARGET);   \
635              try make PLATFORM=$(PLATFORM) install-tools) ;                     \
636     exit 1 ;                                                                    \
637   fi
638     
639 configure_check_timestamp =                                             \
640   @$(BUILD_ENV) ;                                                       \
641   $(check_platform) ;                                                   \
642   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
643   mkdir -p $(PACKAGE_INSTALL_DIR) ;                                     \
644   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                      \
645   dirs="$(call package_mk_fn,$(PACKAGE))                                \
646         $(wildcard $(call find_source_fn,$(PACKAGE_SOURCE))/configure)  \
647        $(MU_BUILD_ROOT_DIR)/config.site" ;                              \
648   if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then          \
649     $(configure_package) ;                                              \
650     touch $${conf} ;                                                    \
651   else                                                                  \
652     $(call build_msg_fn,Configuring $(PACKAGE): nothing to do) ;        \
653   fi
654
655 .PHONY: %-configure
656 %-configure: %-find-source
657         $(configure_check_timestamp)
658
659 ######################################################################
660 # Package build
661 ######################################################################
662
663 linux_n_cpus = `grep '^processor' /proc/cpuinfo | wc -l`
664
665 MAKE_PARALLEL_JOBS =                            \
666   -j $(shell                                    \
667     if [ -f /proc/cpuinfo ] ; then              \
668       expr 4 '*' $(linux_n_cpus) ;              \
669     else                                        \
670       echo 1 ;                                  \
671     fi)
672
673 MAKE_PARALLEL_FLAGS = $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
674
675 # Make command shorthand for packages & tools.
676 PACKAGE_MAKE =                                  \
677   $(MAKE)                                       \
678     -C $(PACKAGE_BUILD_DIR)                     \
679     $($(PACKAGE)_make_args)                     \
680     $(MAKE_PARALLEL_FLAGS)
681
682 build_package =                                                 \
683   $(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ;    \
684   mkdir -p $(PACKAGE_BUILD_DIR) ;                               \
685   cd $(PACKAGE_BUILD_DIR) ;                                     \
686   $(if $($(PACKAGE)_build),                                     \
687        $($(PACKAGE)_build),                                     \
688        $(PACKAGE_MAKE))
689
690 build_check_timestamp =                                                                 \
691   @$(BUILD_ENV) ;                                                                       \
692   comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ;                                          \
693   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                                      \
694   dirs="$(call find_source_fn,$(PACKAGE_SOURCE))                                        \
695         $($(PACKAGE)_build_timestamp_depends)                                           \
696         $(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
697   if [[ $${conf} -nt $${comp}                                                           \
698         || $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then                       \
699     $(build_package) ;                                                                  \
700     touch $${comp} ;                                                                    \
701   else                                                                                  \
702     $(call build_msg_fn,Building $(PACKAGE): nothing to do) ;                           \
703   fi
704
705 .PHONY: %-build
706 %-build: %-configure
707         $(build_check_timestamp)
708
709 .PHONY: %-rebuild
710 %-rebuild: %-wipe %-build
711         @ :
712
713 ######################################################################
714 # Package install
715 ######################################################################
716
717 install_package =                                                               \
718     : by default, for non-tools, remove any previously installed bits ;         \
719     $(if $(is_build_tool)$($(PACKAGE)_keep_instdir),                            \
720          true,                                                                  \
721          rm -rf $(PACKAGE_INSTALL_DIR));                                        \
722     mkdir -p $(PACKAGE_INSTALL_DIR) ;                                           \
723     $(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true);             \
724     $(if $($(PACKAGE)_install),                                                 \
725          $($(PACKAGE)_install),                                                 \
726          $(PACKAGE_MAKE)                                                        \
727             $($(PACKAGE)_install_args)                                          \
728             install) ;                                                          \
729     $(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
730
731 install_check_timestamp =                                       \
732   @$(BUILD_ENV) ;                                               \
733   inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ;                  \
734   dirs="$(PACKAGE_BUILD_DIR)                                    \
735         $($(PACKAGE)_install_dependencies)" ;                   \
736   if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then  \
737     $(call build_msg_fn,Installing $(PACKAGE)) ;                \
738     $(install_package) ;                                        \
739     touch $${inst} ;                                            \
740   else                                                          \
741     $(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
742   fi
743
744 .PHONY: %-install
745 %-install: %-build
746         $(install_check_timestamp)
747
748 ######################################################################
749 # Source code managment
750 ######################################################################
751
752 GIT = git
753
754 # Maps package name to source directory root.
755 # Multiple packages may use a single source tree.
756 # For example, gcc-bootstrap package shares gcc source.
757 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
758
759 # Use git to download source if directory is not found
760 find_source_for_package =                                                                       \
761   @$(BUILD_ENV) ;                                                                               \
762   $(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ;                             \
763   $(call build_msg_fn,Finding source for $(PACKAGE)) ;                                          \
764   s="$(call find_source_fn,$(PACKAGE_SOURCE))" ;                                                \
765   [[ -z "$${s}" ]]                                                                              \
766     && $(call build_msg_fn,Package $(PACKAGE) not found with path $(SOURCE_PATH))               \
767     && exit 1;                                                                                  \
768   mk="$(call find_build_data_dir_for_package_fn,$(PACKAGE_SOURCE))/packages/$(PACKAGE).mk";     \
769   $(call build_msg_fn,Makefile fragment found in $${mk}) ;                                      \
770   if [ ! -d "$${s}" ] ; then                                                                    \
771     d=`dirname $${mk}` ;                                                                        \
772     i=`cd $${d}/.. && ($(GIT) config remote.origin.url ||                                       \
773                     awk '/URL/ { print $$2; }' .git/remotes/origin)`;                           \
774     g=`dirname $${i}` ;                                                                         \
775     $(call build_msg_fn,Fetching source: $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s) ;            \
776     if ! $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s; then                                         \
777       $(call build_msg_fn,No source for $(PACKAGE) in $${g});                                   \
778       exit 1;                                                                                   \
779     fi ;                                                                                        \
780     $(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ;                                    \
781     (cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ;                                        \
782   fi ;                                                                                          \
783   s=`cd $${s} && pwd` ;                                                                         \
784   $(call build_msg_fn,Source found in $${s})
785
786 .PHONY: %-find-source
787 %-find-source:
788         $(find_source_for_package)
789
790 .PHONY: %-push %-pull %-push-all %-pull-all
791 %-push %-pull %-push-all %-pull-all:
792         @$(BUILD_ENV) ;                                                         \
793         push_or_pull=$(patsubst %-all,%,$(subst $(PACKAGE)-,,$@)) ;             \
794         $(call build_msg_fn,Git $${push_or_pull} source for $(PACKAGE)) ;       \
795         s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                            \
796         if [ "x$$s" = "x" ]; then                                               \
797              $(call build_msg_fn,No source for $(PACKAGE)) ;                    \
798              exit 1;                                                            \
799         fi ;                                                                    \
800         cd $$s && $(GIT) $${push_or_pull}
801
802 # Pull all packages for platform
803 .PHONY: pull-all
804 pull-all:
805         @$(BUILD_ENV) ;                                                         \
806         $(call build_msg_fn,Git pull build system) ;                            \
807         for d in $(MU_BUILD_ROOT_DIR)                                           \
808                  $(SOURCE_PATH_BUILD_ROOT_DIRS)                                 \
809                  $(SOURCE_PATH_BUILD_DATA_DIRS); do                             \
810           $(call build_msg_fn,Git pull $${d}) ;                                 \
811           pushd $${d} >& /dev/null && $(GIT) pull && popd >& /dev/null ;        \
812         done ;                                                                  \
813         $(call build_msg_fn,Git pull build tools) ;                             \
814         $(call tool_make_target_fn,pull-all) ;                                  \
815         $(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ;       \
816         make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
817
818 .PHONY: %-diff
819 %-diff:                                                                 
820         @$(BUILD_ENV) ;                                                 \
821         d=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                    \
822         $(call build_msg_fn,Git diff $(PACKAGE)) ;                      \
823         if [ -d $${d}/.git ] ; then                                     \
824          cd $${d} && $(GIT) --no-pager diff 2>/dev/null;                \
825         else                                                            \
826          $(call build_msg_fn, $(PACKAGE) not a git directory) ;         \
827         fi
828             
829
830
831 # generate diffs for everything in source path
832 .PHONY: diff-all
833 diff-all:                                                               
834         @$(BUILD_ENV) ;                                                 \
835         $(call build_msg_fn,Generate diffs) ;                           \
836         for r in $(ABSOLUTE_SOURCE_PATH); do                            \
837           for d in $${r}/* ; do                                         \
838             if [ -d $${d} ] ; then                                      \
839               $(call build_msg_fn,Git diff $${d}) ;                     \
840               if [ -d $${d}/.git ] ; then                               \
841                 cd $${d} && $(GIT) --no-pager diff 2>/dev/null;         \
842               else                                                      \
843                 $(call build_msg_fn, $${d} not a git directory) ;       \
844               fi ;                                                      \
845             fi ;                                                        \
846           done ;                                                        \
847         done
848
849 ######################################################################
850 # System images
851 ######################################################################
852
853 IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/image-$(PLATFORM)
854
855 # Reports shared libraries in given directory
856 find_shared_libs_fn =                           \
857   find $(1)                                     \
858     -maxdepth 1                                 \
859        -regex '.*/lib[a-z0-9_]+\+?\+?.so'               \
860     -o -regex '.*/lib[a-z0-9_]+-[0-9.]+\+?\+?.so'       \
861     -o -regex '.*/lib[a-z0-9_]+\+?\+?.so.[0-9.]+'
862
863 # By default pick up files from binary directories and /etc.
864 # Also include shared libraries.
865 DEFAULT_IMAGE_INCLUDE =                                 \
866   for d in bin sbin libexec                             \
867            usr/bin usr/sbin usr/libexec                 \
868            etc; do                                      \
869     [[ -d $$d ]] && echo $$d;                           \
870   done ;                                                \
871   [[ -d $(arch_lib_dir) ]]                              \
872     && $(call find_shared_libs_fn,$(arch_lib_dir))
873
874 # Define any shell functions needed by install scripts
875 image_install_functions =                       \
876   $(foreach p,$(ALL_PACKAGES),                  \
877     $(if $($(p)_image_install_functions),       \
878          $($(p)_image_install_functions)))
879
880 # Should always be over-written by temp dir in %-root-image rule
881 IMAGE_INSTALL_DIR = $(error you need to set IMAGE_INSTALL_DIR)
882
883 image_install_fn =                                                              \
884   @$(BUILD_ENV) ;                                                               \
885   $(call build_msg_fn,Image-install $(1) for platform $(PLATFORM)) ;            \
886   inst_dir=$(IMAGE_INSTALL_DIR) ;                                               \
887   mkdir -p $${inst_dir} ;                                                       \
888   cd $(2) ;                                                                     \
889   : select files to include in image ;                                          \
890   image_include_files="                                                         \
891     `$(call ifdef_fn,$(1)_image_include,$(DEFAULT_IMAGE_INCLUDE)) ;             \
892      echo "" ;                                                                  \
893      exit 0 ; `";                                                               \
894   : select files regexps to exclude from image ;                                \
895   image_exclude_files="" ;                                                      \
896   if [ ! -z "$($(1)_image_exclude)" ] ; then                                    \
897     image_exclude_files="${image_exclude_files}                                 \
898                          $(patsubst %,--exclude=%,$($(1)_image_exclude))" ;     \
899   fi ;                                                                          \
900   [[ -z "$${image_include_files}" || $${image_include_files} == " " ]]          \
901     || tar cf - $${image_include_files} $${image_exclude_files}                 \
902        | tar xf - -C $${inst_dir} ;                                             \
903   : copy files from copyimg directories on source path if present ;             \
904   for build_data_dir in $(SOURCE_PATH_BUILD_DATA_DIRS) ; do                     \
905     d="$${build_data_dir}/packages/$(1).copyimg" ;                              \
906     if [ -d "$${d}" ] ; then                                                    \
907       env $($(PLATFORM)_copyimg_env)                                            \
908         $(MU_BUILD_ROOT_DIR)/copyimg $${d} $${inst_dir} ;                       \
909     fi ;                                                                        \
910   done ;                                                                        \
911   : run package dependent install script ;                                      \
912   $(if $($(1)_image_install),                                                   \
913        $(image_install_functions)                                               \
914        cd $${inst_dir} ;                                                        \
915        $($(1)_image_install))
916
917 .PHONY: %-image_install
918 %-image_install: %-install
919         $(call image_install_fn,$(PACKAGE),$(PACKAGE_INSTALL_DIR))
920
921 basic_system_image_include =                                    \
922   $(call ifdef_fn,$(PLATFORM)_basic_system_image_include,       \
923   echo bin/ldd ;                                                \
924   echo $(arch_lib_dir)/ld*.so* ;                                \
925   $(call find_shared_libs_fn, $(arch_lib_dir)))
926
927 basic_system_image_install =                            \
928   mkdir -p bin lib mnt proc root sbin sys tmp etc ;     \
929   mkdir -p usr usr/{bin,sbin} usr/lib ;                 \
930   mkdir -p var var/{lib,lock,log,run,tmp} ;             \
931   mkdir -p var/lock/subsys var/lib/urandom 
932
933 .PHONY: basic_system-image_install
934 basic_system-image_install: # linuxrc-install
935         $(if $(not_native),                                                     \
936              $(call image_install_fn,basic_system,$(TARGET_TOOL_INSTALL_DIR)),)
937
938 ROOT_PACKAGES = $(if $($(PLATFORM)_root_packages),$($(PLATFORM)_root_packages),$(default_root_packages))
939
940 .PHONY: install-packages
941 install-packages: $(patsubst %,%-find-source,$(ROOT_PACKAGES))  
942         @$(BUILD_ENV) ;                                                         \
943         set -eu$(BUILD_DEBUG) ;                                                 \
944         d=$(MU_BUILD_ROOT_DIR)/packages-$(PLATFORM) ;                           \
945         rm -rf $${d} ;                                                          \
946         mkdir -p $${d};                                                         \
947         $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${d}                 \
948             $(patsubst %,%-image_install,                                       \
949               basic_system                                                      \
950               $(ROOT_PACKAGES)) || exit 1;                                      \
951         $(call build_msg_fn, Relocating ELF executables to run in $${d}) ;      \
952         find $${d} -type f                                                      \
953             -exec elftool quiet in '{}' out '{}'                                \
954                 set-interpreter                                                 \
955                     $${d}/$(arch_lib_dir)/$(DYNAMIC_LINKER)                     \
956                 set-rpath $${d}/$(arch_lib_dir):$${d}/lib ';' ;                 \
957         : strip symbols from files ;                                            \
958         if [ $${strip_symbols:-no} = 'yes' ] ; then                             \
959             $(call build_msg_fn, Stripping symbols from files) ;                \
960             find $${d} -type f                                                  \
961                 -exec                                                           \
962                   $(TARGET_PREFIX)strip                                         \
963                     --strip-unneeded '{}' ';'                                   \
964                     >& /dev/null ;                                              \
965         else                                                                    \
966             $(call build_msg_fn, NOT stripping symbols) ;                       \
967         fi 
968
969 # readonly root squashfs image
970 # Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
971 .PHONY: ro-image
972 $(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
973         @$(BUILD_ENV) ;                                                 \
974         d=$(PLATFORM_IMAGE_DIR) ;                                       \
975         mkdir -p $$d;                                                   \
976         ro_image=$$d/ro.img ;                                           \
977         rm -f $${ro_image} ;                                            \
978         tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ;                     \
979         chmod 0755 $${tmp_dir} ;                                        \
980         cd $${tmp_dir} ;                                                \
981         trap "rm -rf $${tmp_dir}" err ;                                 \
982         fakeroot /bin/bash -c "{                                        \
983           set -eu$(BUILD_DEBUG) ;                                       \
984           $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
985             $(patsubst %,%-image_install,                               \
986               basic_system                                              \
987               $(ROOT_PACKAGES)) ;                                       \
988           : make dev directory ;                                        \
989           $(linuxrc_makedev) ;                                          \
990           echo @@@@ Relocating ELF executables to run in / @@@@ ;       \
991           find $${d} -type f                                            \
992               -exec elftool quiet in '{}' out '{}'                      \
993                 set-interpreter                                         \
994                     /$(arch_lib_dir)/$(DYNAMIC_LINKER)                  \
995                 set-rpath /$(arch_lib_dir):/lib ';' ;                   \
996           : strip symbols from files ;                                  \
997           if [ '$${strip_symbols:-yes}' = 'yes' ] ; then                \
998               echo @@@@ Stripping symbols from files @@@@ ;             \
999               find $${tmp_dir} -type f                                  \
1000                 -exec                                                   \
1001                   $(TARGET_PREFIX)strip                                 \
1002                     --strip-unneeded '{}' ';'                           \
1003                     >& /dev/null ;                                      \
1004           else                                                          \
1005               echo @@@@ NOT stripping symbols @@@@ ;                    \
1006           fi ;                                                          \
1007           if [ $${sign_executables:-yes} = 'yes'                        \
1008                -a -n "$($(PLATFORM)_public_key)" ] ; then               \
1009               echo @@@@ Signing executables @@@@ ;                      \
1010               find $${tmp_dir} -type f                                  \
1011                 | xargs sign $($(PLATFORM)_public_key)                  \
1012                              $($(PLATFORM)_private_key_passphrase) ;    \
1013           fi ;                                                          \
1014           : make read-only file system ;                                \
1015           mksquashfs                                                    \
1016             $${tmp_dir} $${ro_image}                                    \
1017             -no-exports -no-progress -no-recovery ;                     \
1018         }" ;                                                            \
1019         : cleanup tmp directory ;                                       \
1020         rm -rf $${tmp_dir}
1021
1022 MKFS_JFFS2_BYTE_ORDER_x86_64 = -l
1023 MKFS_JFFS2_BYTE_ORDER_i686 = -l
1024 MKFS_JFFS2_BYTE_ORDER_ppc = -b
1025 MKFS_JFFS2_BYTE_ORDER_mips = -b
1026 MKFS_JFFS2_BYTE_ORDER_native = $(MKFS_JFFS2_BYTE_ORDER_$(NATIVE_ARCH))
1027
1028 MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES = \
1029   $(call ifdef_fn,$(PLATFORM)_jffs2_sector_size_in_kbytes,256)
1030
1031 mkfs_fn_jffs2 = mkfs.jffs2                              \
1032   --eraseblock=$(MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES)KiB   \
1033   --root=$(1) --output=$(2)                             \
1034   $(MKFS_JFFS2_BYTE_ORDER_$(BASIC_ARCH))
1035
1036 # As things stand the actual initrd size parameter
1037 # is set in .../open-repo/build-data/packages/linuxrc.mk.
1038 EXT2_RW_IMAGE_SIZE=notused
1039
1040 mkfs_fn_ext2 = \
1041   e2fsimage -d $(1) -f $(2) -s $(EXT2_RW_IMAGE_SIZE)
1042
1043 RW_IMAGE_TYPE=jffs2
1044
1045 make_rw_image_fn = \
1046   $(call mkfs_fn_$(RW_IMAGE_TYPE),$(1),$(2))
1047
1048 rw_image_embed_ro_image_fn =                                    \
1049   mkdir -p proc initrd images ro rw union ;                     \
1050   cp $(PLATFORM_IMAGE_DIR)/$(1) images/$(1) ;                   \
1051   md5sum images/$(1) > images/$(1).md5 ;                        \
1052   echo Built by $(LOGNAME) at `date` > images/$(1).stamp ;      \
1053   mkdir -p changes/$(1)
1054
1055 # make sure RW_IMAGE_TYPE is a type we know how to build
1056 .PHONY: rw-image-check-type
1057 rw-image-check-type:
1058         @$(BUILD_ENV) ;                                                         \
1059         if [ -z "$(make_rw_image_fn)" ] ; then                                  \
1060           $(call build_msg_fn,Unknown read/write fs image type;                 \
1061                               try RW_IMAGE_TYPE=ext2 or RW_IMAGE_TYPE=jffs2) ;  \
1062           exit 1;                                                               \
1063         fi
1064
1065 # read write image
1066 .PHONY: rw-image
1067 rw-image: rw-image-check-type ro-image
1068         @$(BUILD_ENV) ;                                         \
1069         d=$(PLATFORM_IMAGE_DIR) ;                               \
1070         mkdir -p $$d ;                                          \
1071         rw_image="$$d/rw.$(RW_IMAGE_TYPE)" ;                    \
1072         ro_image="ro.img" ;                                     \
1073         rm -f $$rw_image ;                                      \
1074         tmp_dir="`mktemp -d $$d/rw-image-XXXXXX`" ;             \
1075         chmod 0755 $${tmp_dir} ;                                \
1076         cd $${tmp_dir} ;                                        \
1077         trap "rm -rf $${tmp_dir}" err ;                         \
1078         fakeroot /bin/bash -c "{                                \
1079           set -eu$(BUILD_DEBUG) ;                               \
1080           $(linuxrc_makedev) ;                                  \
1081           $(call rw_image_embed_ro_image_fn,$${ro_image}) ;     \
1082           $(call make_rw_image_fn,$${tmp_dir},$${rw_image}) ;   \
1083         }" ;                                                    \
1084         : cleanup tmp directory ;                               \
1085         rm -rf $${tmp_dir}
1086
1087 images: linuxrc-install linux-install $(image_extra_dependencies) rw-image
1088         @$(BUILD_ENV) ;                                         \
1089         d=$(PLATFORM_IMAGE_DIR) ;                               \
1090         cd $(BUILD_DIR)/linux-$(PLATFORM) ;                     \
1091         i="" ;                                                  \
1092         [[ -z $$i && -f bzImage ]] && i=bzImage ;               \
1093         [[ -z $$i && -f zImage ]] && i=zImage ;                 \
1094         [[ -z $$i && -f linux ]] && i=linux ;                   \
1095         [[ -z $$i && -f vmlinux ]] && i=vmlinux ;               \
1096         [[ -z $$i ]]                                            \
1097           && $(call build_msg_fn,no linux image to install      \
1098                 in $(BUILD_DIR)/linux-$(PLATFORM))              \
1099           && exit 1 ;                                           \
1100         cp $$i $$d
1101
1102 ######################################################################
1103 # Tool chain build/install
1104 ######################################################################
1105
1106 .PHONY: ccache-install
1107 ccache-install:
1108         $(MAKE) -C $(MU_BUILD_ROOT_DIR) ccache-build
1109         mkdir -p $(TOOL_INSTALL_DIR)/ccache-bin
1110         ln -sf $(MU_BUILD_ROOT_DIR)/build-tool-native/ccache/ccache \
1111                 $(TOOL_INSTALL_DIR)/ccache-bin/$(TARGET_PREFIX)gcc 
1112
1113 TOOL_MAKE = $(MAKE) is_build_tool=yes
1114
1115 tool_make_target_fn =                                                   \
1116   $(if $(strip $(NATIVE_TOOLS)),                                        \
1117     $(TOOL_MAKE) $(patsubst %,%-$(1),$(NATIVE_TOOLS)) ARCH=native || exit 1 ;) \
1118   $(TOOL_MAKE) $(patsubst %,%-$(1),$(CROSS_TOOLS))
1119
1120 .PHONY: install-tools
1121 install-tools:
1122         $(call tool_make_target_fn,install)
1123
1124 .PHONY: bootstrap-tools
1125 bootstrap-tools:
1126         $(TOOL_MAKE) make-install findutils-install git-install \
1127         automake-install autoconf-install libtool-install fakeroot-install
1128
1129
1130 ######################################################################
1131 # Clean
1132 ######################################################################
1133
1134 package_clean_script =                                                  \
1135   @$(call build_msg_fn, Cleaning $* in $(PACKAGE_INSTALL_DIR)) ;        \
1136   $(BUILD_ENV) ;                                                        \
1137   $(if $(is_build_tool),,rm -rf $(PACKAGE_INSTALL_DIR) ;)               \
1138   rm -rf $(TIMESTAMP_DIR)/$(call timestamp_name_fn,*) ;                 \
1139   $(if $($(PACKAGE)_clean),                                             \
1140     $($(PACKAGE)_clean),                                                \
1141     $(PACKAGE_MAKE) clean)
1142
1143 .PHONY: %-clean
1144 %-clean:
1145         $(package_clean_script)
1146
1147 # Wipe e.g. remove build and install directories for packages.
1148 package_wipe_script =                                                                                   \
1149   @message=$(if $(is_build_tool),"Wiping build $(PACKAGE)","Wiping build/install $(PACKAGE)") ;         \
1150   $(call build_msg_fn,$$message) ;                                                                      \
1151   $(BUILD_ENV) ;                                                                                        \
1152   rm -rf $(if $(is_build_tool),$(PACKAGE_BUILD_DIR),$(PACKAGE_INSTALL_DIR) $(PACKAGE_BUILD_DIR))
1153
1154 .PHONY: %-wipe
1155 %-wipe:
1156         $(package_wipe_script)
1157
1158 # Wipe entire build/install area for TAG and PLATFORM
1159 .PHONY: wipe-all
1160 wipe-all:
1161         @$(call build_msg_fn, Wiping $(BUILD_DIR) $(INSTALL_DIR)) ;     \
1162         $(BUILD_ENV) ;                                                  \
1163         rm -rf $(BUILD_DIR) $(INSTALL_DIR)
1164
1165 # Clean everything
1166 distclean:
1167         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_package)*/
1168         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_tool)*
1169         rm -rf $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)*
1170         rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
1171         rm -rf $(TOOL_INSTALL_DIR)
1172         rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
1173         rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
1174         (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean)
1175         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
1176         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.dkms
1177         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog