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 #
   6 #     http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   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
  20 #  without limitation the rights to use, copy, modify, merge, publish,
  21 #  distribute, sublicense, and/or sell copies of the Software, and to
  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 aarch64_libdir = 64
 169 x86_64_libdir = $(BIARCH)
 170 native_libdir = $($(NATIVE_ARCH)_libdir)
 171
 172 # lib or lib64 depending
 173 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 174
 175 # OS to configure for.  configure --host will be set to $(ARCH)-$(OS)
 176 # Allow per-platform overrides
 177
 178 OS = $(strip $($(PLATFORM)_os))
 179 ifeq ($(OS),)
 180   OS = mu-linux
 181 endif
 182
 183 spu_target = spu
 184 native_target =
 185
 186 is_native = $(if $(ARCH:native=),,true)
 187 not_native = $(if $(ARCH:native=),true,)
 188
 189 ARCH_TARGET_tmp = $(call ifdef_fn,$(ARCH)_target,$(ARCH)-$(OS))
 190 TARGET = $(call ifdef_fn,$(PLATFORM)_target,$(ARCH_TARGET_tmp))
 191 TARGET_PREFIX = $(if $(not_native),$(TARGET)-,)
 192
 193 # CPU microarchitecture detection.
 194 # Either set <platform>_march in build-data/platforms/<platform>.mk,
 195 # or detect and use the build-host instruction set
 196
 197 MARCH = $(strip $($(PLATFORM)_march))
 198 ifeq ($(MARCH),)
 199   ifneq ($(wildcard $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc),)
 200     TARGET_GCC = $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc
 201   else ifneq ($(wildcard $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc),)
 202     TARGET_GCC = $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc
 203   endif
 204   ifneq ($(TARGET_GCC),)
 205     MARCH = $(shell $(TARGET_GCC) -Q --help=target -march=native | grep march | sed -e 's/.*march=[[:space:]]*//')
 206   else
 207     MARCH = native
 208   endif
 209 else
 210   ifeq ($(MARCH),nehalem)
 211     override MARCH = corei7
 212   else ifeq ($(MARCH),westmere)
 213     override MARCH = corei7
 214   else ifeq ($(MARCH),sandybridge)
 215     override MARCH = corei7-avx
 216   else ifeq ($(MARCH),ivybridge)
 217     override MARCH = core-avx-i
 218   else ifeq ($(MARCH),haswell)
 219     override MARCH = core-avx2
 220   endif
 221 endif
 222 export MARCH
 223
 224 MTUNE = $(strip $($(PLATFORM)_mtune))
 225 ifeq ($(MTUNE),)
 226   MTUNE = generic
 227 endif
 228
 229 ######################################################################
 230 # Generic build stuff
 231 ######################################################################
 232
 233 # The package we are currently working on
 234 PACKAGE = $*
 235
 236 # Build/install tags.  This lets you have different CFLAGS/CPPFLAGS/LDFLAGS
 237 # for e.g. debug versus optimized compiles.  Each tag has its own set of build/install
 238 # areas.
 239 TAG =
 240 TAG_PREFIX = $(if $(TAG),$(TAG)-)
 241
 242 # yes you need the space
 243 tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
 244
 245 # TAG=debug for debugging
 246 debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 247                    -fstack-protector-all -fPIC
 248 debug_TAG_CXXFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 249                    -fstack-protector-all -fPIC
 250 debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 251                    -fstack-protector-all -fPIC
 252
 253 BUILD_PREFIX_package = build-$(TAG_PREFIX)
 254 BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
 255 INSTALL_PREFIX = install-$(TAG_PREFIX)
 256 IMAGES_PREFIX = images-$(TAG_PREFIX)
 257
 258 # Whether we are building a tool or not
 259 tool_or_package_fn = $(if $(is_build_tool),tool,package)
 260
 261 # Directory where packages are built & installed
 262 BUILD_DIR = $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_$(call tool_or_package_fn))$(ARCH)
 263 INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
 264
 265 PLATFORM_IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)$(PLATFORM)
 266
 267 # $(call VAR,DEFAULT)
 268 override_var_with_default_fn = $(if $($(1)),$($(1)),$(2))
 269
 270 # $(call if_directory_exists_fn,D1,D2) returns D1 if it exists else D2
 271 define if_directory_exists_fn
 272 $(shell if test -d $(1); then echo $(1); else echo $(2); fi)
 273 endef
 274
 275 # $(call if_file_exists_fn,F1,F2) returns F1 if it exists else F2
 276 define if_file_exists_fn
 277 $(shell if test -f $(1); then echo $(1); else echo $(2); fi)
 278 endef
 279
 280 # Default VAR, package specified override of default PACKAGE_VAR
 281 package_var_fn = $(call override_var_with_default_fn,$(1)_$(2),$(1))
 282
 283 package_build_dir_fn = $(call package_var_fn,$(1),build_dir)
 284
 285 package_install_dir_fn = \
 286   $(if $(is_build_tool),$(TOOL_INSTALL_DIR),$(INSTALL_DIR)/$(call package_build_dir_fn,$(1)))
 287
 288 PACKAGE_BUILD_DIR = \
 289   $(BUILD_DIR)/$(call package_build_dir_fn,$(PACKAGE))
 290 PACKAGE_INSTALL_DIR = \
 291   $(call package_install_dir_fn,$(PACKAGE))
 292
 293 # Tools (gcc, binutils, glibc...) are installed here
 294 TOOL_INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/tools
 295
 296 # Target specific tools go here e.g. mu-build/tools/ppc-mu-linux
 297 TARGET_TOOL_INSTALL_DIR = $(TOOL_INSTALL_DIR)/$(TARGET)
 298
 299 # Set BUILD_DEBUG to vx or x enable shell command tracing.
 300 BUILD_DEBUG =
 301
 302 # Message from build system itself (as opposed to make or shell commands)
 303 build_msg_fn = echo "@@@@ $(1) @@@@"
 304
 305 # Allow CCACHE_DIR to be overridden, e.g. in .../build-root/build-config.mk
 306 ifeq ($(CCACHE_DIR),)
 307   CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache
 308 endif
 309
 310 # Always prefer our own tools to those installed on system.
 311 # Note: ccache-bin must be before tool bin.
 312 #
 313 # Removed LD_LIBRARY_PATH from BUILD_ENV (drb, 10/31/17):
 314 # export LD_LIBRARY_PATH=$(TOOL_INSTALL_DIR)/lib64:$(TOOL_INSTALL_DIR)/lib
 315 #   Reported to cause trouble. Only of historical interest, since we no longer
 316 #   build a full tool chain from source.
 317
 318 BUILD_ENV =                                                                             \
 319     export CCACHE_DIR=$(CCACHE_DIR) ;                                   \
 320     export PATH=$(wildcard /usr/lib*/ccache):$(TOOL_INSTALL_DIR)/bin:$${PATH} ;         \
 321     $(if $(call configure_var_fn,PATH), export PATH=$${PATH}:$(call configure_var_fn,PATH);,)   \
 322     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;                                   \
 323     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)  \
 324     set -eu$(BUILD_DEBUG) ;                                                             \
 325     set -o pipefail
 326
 327 ######################################################################
 328 # Package build generic definitions
 329 ######################################################################
 330
 331 package_dir_fn = \
 332   $(call find_build_data_dir_for_package_fn,$(1))/packages
 333
 334 package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
 335
 336 # Pick up built-root/pre-package-include.mk for all source directories
 337 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 338   $(eval -include $(d)/pre-package-include.mk))
 339
 340 $(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)),                 \
 341   $(eval -include $(d)/*.mk)                                            \
 342   $(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
 343 )
 344
 345 # Pick up built-root/post-package-include.mk for all source directories
 346 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 347   $(eval -include $(d)/post-package-include.mk))
 348
 349 # Linux specific native build tools
 350 NATIVE_TOOLS_LINUX =                            \
 351   e2fsimage                                     \
 352   e2fsprogs                                     \
 353   fakeroot                                      \
 354   jffs2                                         \
 355   mkimage                                       \
 356   zlib                                          \
 357   xz                                            \
 358   squashfs
 359
 360 IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
 361
 362 NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
 363
 364 # only build glibc for linux installs
 365 CROSS_TOOLS_$(IS_LINUX) += glibc gcc
 366
 367 # must be first for bootstrapping
 368 NATIVE_TOOLS = findutils make
 369
 370 # basic tools needed for build system
 371 NATIVE_TOOLS += git automake autoconf libtool texinfo tar
 372
 373 # needed to compile gcc
 374 NATIVE_TOOLS += mpfr gmp mpc
 375
 376 # Tool to sign binaries
 377 NATIVE_TOOLS += sign
 378
 379 # ccache
 380 NATIVE_TOOLS += ccache
 381
 382 # Tools needed on native host to build for platform
 383 NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
 384
 385 # Tools for cross-compiling from native -> ARCH
 386 CROSS_TOOLS = binutils gcc-bootstrap gdb
 387
 388 # Tools needed on native host to build for platform
 389 CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
 390
 391 NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
 392 CROSS_TOOLS += $(CROSS_TOOLS_yes)
 393
 394 timestamp_name_fn = .mu_build_$(1)_timestamp
 395 CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
 396 BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
 397 INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
 398
 399 TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
 400
 401 find_newer_files_fn =                                           \
 402   "`for i in $(2) ; do                                          \
 403       [[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0;     \
 404     done ;                                                      \
 405     exit 0;`"
 406
 407 find_filter = -not -name '*~'
 408 find_filter += -and -not -path '*/.git*'
 409 find_filter += -and -not -path '*/.svn*'
 410 find_filter += -and -not -path '*/.CVS*'
 411 find_filter += -and -not -path '*/manual/*'
 412 find_filter += -and -not -path '*/autom4te.cache/*'
 413 find_filter += -and -not -path '*/doc/all-cfg.texi'
 414 find_filter += -and -not -path '*/.mu_build_*'
 415
 416 find_newer_filtered_fn =                        \
 417   (! -f $(1)                                    \
 418     || -n $(call find_newer_files_fn,$(1),$(3)) \
 419     || -n "`find -H $(2)                        \
 420               -type f                           \
 421               -and -newer $(1)                  \
 422               -and \( $(4) \)                   \
 423               -print -quit`")
 424
 425 find_newer_fn =                                                 \
 426   $(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
 427
 428 ######################################################################
 429 # Package dependencies
 430 ######################################################################
 431
 432 # This must come before %-configure, %-build, %-install pattern rules
 433 # or else dependencies will not work.
 434
 435 package_dependencies_fn =                               \
 436   $(patsubst %-install, %,                              \
 437     $(filter %-install,$($(1)_configure_depend)))
 438
 439 PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
 440
 441 # package specific configure, build, install dependencies
 442 add_package_dependency_fn = \
 443   $(if $($(1)_$(2)_depend), \
 444        $(eval $(1)-$(2) : $($(1)_$(2)_depend)))
 445
 446 $(foreach p,$(ALL_PACKAGES), \
 447     $(call add_package_dependency_fn,$(p),configure) \
 448     $(call add_package_dependency_fn,$(p),build) \
 449     $(call add_package_dependency_fn,$(p),install))
 450
 451 TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
 452
 453 # carry over packages dependencies to image install, wipe, pull-all, push-all
 454 $(foreach p,$(ALL_PACKAGES),                                                    \
 455   $(if $($(p)_configure_depend),                                                \
 456     $(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES),                             \
 457       $(eval $(p)-$(s):                                                         \
 458              $(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
 459
 460 # recursively resolve dependencies
 461 resolve_dependencies2_fn = $(strip                                      \
 462   $(eval __added = $(filter-out $(4),                                   \
 463     $(call uniq_fn,                                                     \
 464       $(foreach l,$(3),                                                 \
 465        $(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1))))             \
 466       ))))                                                              \
 467   $(eval __known = $(call uniq_fn,$(4) $(3) $(__added)))                \
 468   $(if $(__added),                                                      \
 469     $(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)),   \
 470     $(__known))                                                         \
 471 )
 472
 473 resolve_dependencies_null_fn = $(1)
 474
 475 resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
 476
 477 ######################################################################
 478 # Package configure
 479 ######################################################################
 480
 481 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
 482 BIARCH = 64
 483
 484 x86_64_libdir = $(BIARCH)
 485 native_libdir = $($(NATIVE_ARCH)_libdir)
 486
 487 # lib or lib64 depending
 488 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 489
 490 # find dynamic linker as absolute path
 491 TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
 492 DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
 493
 494 # Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
 495 # Yes, this is a kludge.
 496 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
 497
 498 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
 499 # Allow per-platform overrides
 500 CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
 501 ifeq ($(CROSS_LDFLAGS),)
 502   CROSS_LDFLAGS =                                                                                       \
 503     -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)       \
 504     -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
 505 endif
 506
 507 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
 508
 509 # $(call installed_libs_fn,PACKAGE)
 510 # Return install library directory for given package.
 511 # Some packages (e.g. openssl) don't install under lib64; instead they use lib
 512 define installed_lib_fn
 513 $(call if_directory_exists_fn,
 514   $(call package_install_dir_fn,$(1))/$(arch_lib_dir),
 515   $(call package_install_dir_fn,$(1))/lib)
 516 endef
 517
 518 # Set -L and rpath to point to dependent libraries previously built by us.
 519 installed_libs_fn =                                     \
 520   $(foreach i,$(1),                                     \
 521     -L$(call installed_lib_fn,$(i))                     \
 522     -Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
 523
 524 # As above for include files
 525 installed_include_fn = $(call package_install_dir_fn,$(1))/include
 526
 527 installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
 528
 529 # By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
 530 # point at dependent install directories.
 531 DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
 532 DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
 533
 534 configure_var_fn = \
 535   $(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
 536 configure_ldflags_fn = \
 537   $(cross_ldflags)$(call configure_var_fn,LDFLAGS)
 538
 539 # Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
 540 CONFIGURE_ENV =                                                         \
 541     $(if $(call configure_var_fn,CPPFLAGS),                             \
 542          CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)")      \
 543     $(if $(call configure_var_fn,CXXFLAGS),                             \
 544          CXXFLAGS="$(CXXFLAGS) $(call configure_var_fn,CXXFLAGS)")      \
 545     $(if $(call configure_var_fn,CFLAGS),                               \
 546          CFLAGS="$(CFLAGS) $(call configure_var_fn,CFLAGS)")            \
 547     $(if $(call configure_var_fn,CCASFLAGS),                            \
 548          CCASFLAGS="$(CCASFLAGS) $(call configure_var_fn,CCASFLAGS)")   \
 549     $(if $(call configure_ldflags_fn),                                  \
 550          LDFLAGS="$(LDFLAGS) $(call configure_ldflags_fn)")             \
 551     $(if $($(PACKAGE)_configure_env),$($(PACKAGE)_configure_env))
 552
 553 # only partially used now (used in a few .mk files)
 554 ifeq ($(is_build_tool),yes)
 555 prefix     = $(PACKAGE_INSTALL_DIR)
 556 libdir     = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
 557 libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
 558 DESTDIR     = /
 559 else
 560 # Eventually simplify this with no per package DESTDIR or prefix
 561 ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
 562 pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
 563 prefixMacro     = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
 564 prefix = $(call prefixMacro,$(PACKAGE))
 565 libdir     = $($(PLATFORM)_LIBDIR)
 566 libexecdir = $($(PLATFORM)_LIBEXECDIR)
 567 destdirMacro  = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
 568 DESTDIR  = $(call destdirMacro,$(PACKAGE))
 569 endif
 570
 571 configure_package_gnu =                                         \
 572   s=$(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR) ; \
 573   if [ ! -f $$s/configure ] ; then                              \
 574     autoreconf -i -f $$s ;                                      \
 575   fi ;                                                          \
 576   cd $(PACKAGE_BUILD_DIR) ;                                     \
 577   env $(CONFIGURE_ENV)                                          \
 578     $$s/configure                                               \
 579       $(if $($(PACKAGE)_configure_host_and_target),             \
 580            $($(PACKAGE)_configure_host_and_target),             \
 581            $(if $(not_native),--host=$(TARGET),))               \
 582       $(if $($(PACKAGE)_configure_prefix),                      \
 583            $($(PACKAGE)_configure_prefix),                      \
 584            --libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)      \
 585            --prefix=$(PACKAGE_INSTALL_DIR))                     \
 586       $($(PACKAGE)_configure_args)                              \
 587       $($(PACKAGE)_configure_args_$(PLATFORM))
 588
 589 configure_package =                                                     \
 590   $(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
 591   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 592   $(if $($(PACKAGE)_configure),                                         \
 593        $($(PACKAGE)_configure),                                         \
 594        $(configure_package_gnu))
 595
 596 # Tools (e.g. gcc, binutils, gdb) required a platform to build for
 597 check_platform =                                                                \
 598   is_tool="$(is_build_tool)" ;                                                  \
 599   is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ;                  \
 600   is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ;                        \
 601   if [ "$${is_tool}" == "yes"                                                   \
 602        -a "$${is_cross_package}" != ""                                          \
 603        -a "$${is_arch_native}" != "" ]; then                                    \
 604     $(call build_msg_fn,You must specify PLATFORM for building tools) ;         \
 605     exit 1 ;                                                                    \
 606   fi ;                                                                          \
 607   : check that platform gcc can be found ;                                      \
 608   target_gcc=gcc ;                                                              \
 609   if [ "$${is_arch_native}" != "yes" ] ; then                                   \
 610     target_gcc=$(TARGET)-gcc ;                                                  \
 611   fi ;                                                                          \
 612   if [ "$${is_tool}" != "yes"                                                   \
 613        -a "$${is_arch_native}" != "yes"                                         \
 614        -a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then                   \
 615     $(call build_msg_fn,                                                        \
 616            No cross-compiler found for platform $(PLATFORM) target $(TARGET);   \
 617              try make PLATFORM=$(PLATFORM) install-tools) ;                     \
 618     exit 1 ;                                                                    \
 619   fi
 620
 621 configure_check_timestamp =                                             \
 622   @$(BUILD_ENV) ;                                                       \
 623   $(check_platform) ;                                                   \
 624   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 625   mkdir -p $(PACKAGE_INSTALL_DIR) ;                                     \
 626   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                      \
 627   dirs="$(call package_mk_fn,$(PACKAGE))                                \
 628         $(SOURCE_PATH_BUILD_DATA_DIRS)/platforms/$(PLATFORM).mk         \
 629         $(wildcard $(call find_source_fn,$(PACKAGE_SOURCE))/cmake)      \
 630         $(shell find $(call find_source_fn,$(PACKAGE_SOURCE))           \
 631                         -name CMakeLists.txt)                           \
 632         $(wildcard $(call find_source_fn,                               \
 633                      $(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)/configure)     \
 634        $(MU_BUILD_ROOT_DIR)/config.site" ;                              \
 635   if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then          \
 636     $(configure_package) ;                                              \
 637     touch $${conf} ;                                                    \
 638   else                                                                  \
 639     $(call build_msg_fn,Configuring $(PACKAGE): nothing to do) ;        \
 640   fi
 641
 642 .PHONY: %-configure
 643 %-configure: %-find-source
 644         $(configure_check_timestamp)
 645
 646 ######################################################################
 647 # Package build
 648 ######################################################################
 649
 650 # /proc/cpuinfo does not exist on platforms without a /proc and on some
 651 # platforms, notably inside containers, it has no content. In those cases
 652 # we assume there's 1 processor; we use 2*ncpu for the -j option.
 653 # NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
 654 # for file presence and content; for now this will have to do.
 655 ifndef MAKE_PARALLEL_JOBS
 656 MAKE_PARALLEL_JOBS = $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
 657         $(shell grep -c ^processor /proc/cpuinfo), 2)
 658 endif
 659 MAKE_PARALLEL_FLAGS ?= $(if $($(PACKAGE)_make_parallel_fails),,-j $(MAKE_PARALLEL_JOBS))
 660
 661 # Make command shorthand for packages & tools.
 662 PACKAGE_MAKE =                                  \
 663   $(MAKE)                                       \
 664     -C $(PACKAGE_BUILD_DIR)                     \
 665     $($(PACKAGE)_make_args)                     \
 666     $(MAKE_PARALLEL_FLAGS)
 667
 668 build_package =                                                 \
 669   $(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ;    \
 670   mkdir -p $(PACKAGE_BUILD_DIR) ;                               \
 671   cd $(PACKAGE_BUILD_DIR) ;                                     \
 672   $(if $($(PACKAGE)_build),                                     \
 673        $($(PACKAGE)_build),                                     \
 674        $(PACKAGE_MAKE))
 675
 676 build_check_timestamp =                                                                 \
 677   @$(BUILD_ENV) ;                                                                       \
 678   comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ;                                          \
 679   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                                      \
 680   dirs="$(call find_source_fn,$(PACKAGE_SOURCE))                                        \
 681         $($(PACKAGE)_build_timestamp_depends)                                           \
 682         $(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
 683   if [[ $${conf} -nt $${comp}                                                           \
 684         || $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then                       \
 685     $(build_package) ;                                                                  \
 686     touch $${comp} ;                                                                    \
 687   else                                                                                  \
 688     $(call build_msg_fn,Building $(PACKAGE): nothing to do) ;                           \
 689   fi
 690
 691 .PHONY: %-build
 692 %-build: %-configure
 693         $(build_check_timestamp)
 694
 695 .PHONY: %-rebuild
 696 %-rebuild: %-wipe %-build
 697         @ :
 698
 699 ######################################################################
 700 # Package install
 701 ######################################################################
 702
 703 install_package =                                                               \
 704     : by default, for non-tools, remove any previously installed bits ;         \
 705     $(if $(is_build_tool)$($(PACKAGE)_keep_instdir),                            \
 706          true,                                                                  \
 707          rm -rf $(PACKAGE_INSTALL_DIR));                                        \
 708     mkdir -p $(PACKAGE_INSTALL_DIR) ;                                           \
 709     $(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true);             \
 710     $(if $($(PACKAGE)_install),                                                 \
 711          $($(PACKAGE)_install),                                                 \
 712          $(PACKAGE_MAKE)                                                        \
 713             $($(PACKAGE)_install_args)                                          \
 714             install) ;                                                          \
 715     $(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
 716
 717 install_check_timestamp =                                       \
 718   @$(BUILD_ENV) ;                                               \
 719   inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ;                  \
 720   dirs="$(PACKAGE_BUILD_DIR)                                    \
 721         $($(PACKAGE)_install_dependencies)" ;                   \
 722   if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then  \
 723     $(call build_msg_fn,Installing $(PACKAGE)) ;                \
 724     $(install_package) ;                                        \
 725     touch $${inst} ;                                            \
 726   else                                                          \
 727     $(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
 728   fi
 729
 730 .PHONY: %-install
 731 %-install: %-build
 732         $(install_check_timestamp)
 733
 734 ######################################################################
 735 # Source code managment
 736 ######################################################################
 737
 738 GIT = git
 739
 740 # Maps package name to source directory root.
 741 # Multiple packages may use a single source tree.
 742 # For example, gcc-bootstrap package shares gcc source.
 743 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
 744 PACKAGE_SUBDIR = $(if $($(PACKAGE)_configure_subdir),/$($(PACKAGE)_configure_subdir),)
 745
 746 # Use git to download source if directory is not found
 747 find_source_for_package =                                                                       \
 748   @$(BUILD_ENV) ;                                                                               \
 749   $(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ;                             \
 750   $(call build_msg_fn,Finding source for $(PACKAGE)) ;                                          \
 751   s="$(call find_source_fn,$(PACKAGE_SOURCE))" ;                                                \
 752   [[ -z "$${s}" ]]                                                                              \
 753     && $(call build_msg_fn,Package $(PACKAGE) not found with path $(SOURCE_PATH))               \
 754     && exit 1;                                                                                  \
 755   mk="$(call find_build_data_dir_for_package_fn,$(PACKAGE_SOURCE))/packages/$(PACKAGE).mk";     \
 756   $(call build_msg_fn,Makefile fragment found in $${mk}) ;                                      \
 757   if [ ! -d "$${s}" ] ; then                                                                    \
 758     d=`dirname $${mk}` ;                                                                        \
 759     i=`cd $${d}/.. && ($(GIT) config remote.origin.url ||                                       \
 760                     awk '/URL/ { print $$2; }' .git/remotes/origin)`;                           \
 761     g=`dirname $${i}` ;                                                                         \
 762     $(call build_msg_fn,Fetching source: $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s) ;            \
 763     if ! $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s; then                                         \
 764       $(call build_msg_fn,No source for $(PACKAGE) in $${g});                                   \
 765       exit 1;                                                                                   \
 766     fi ;                                                                                        \
 767     $(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ;                                    \
 768     (cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ;                                        \
 769   fi ;                                                                                          \
 770   s=`cd $${s} && pwd` ;                                                                         \
 771   $(call build_msg_fn,Source found in $${s})
 772
 773 .PHONY: %-find-source
 774 %-find-source:
 775         $(find_source_for_package)
 776
 777 .PHONY: %-push %-pull %-push-all %-pull-all
 778 %-push %-pull %-push-all %-pull-all:
 779         @$(BUILD_ENV) ;                                                         \
 780         push_or_pull=$(patsubst %-all,%,$(subst $(PACKAGE)-,,$@)) ;             \
 781         $(call build_msg_fn,Git $${push_or_pull} source for $(PACKAGE)) ;       \
 782         s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                            \
 783         if [ "x$$s" = "x" ]; then                                               \
 784              $(call build_msg_fn,No source for $(PACKAGE)) ;                    \
 785              exit 1;                                                            \
 786         fi ;                                                                    \
 787         cd $$s && $(GIT) $${push_or_pull}
 788
 789 # Pull all packages for platform
 790 .PHONY: pull-all
 791 pull-all:
 792         @$(BUILD_ENV) ;                                                         \
 793         $(call build_msg_fn,Git pull build system) ;                            \
 794         for d in $(MU_BUILD_ROOT_DIR)                                           \
 795                  $(SOURCE_PATH_BUILD_ROOT_DIRS)                                 \
 796                  $(SOURCE_PATH_BUILD_DATA_DIRS); do                             \
 797           $(call build_msg_fn,Git pull $${d}) ;                                 \
 798           pushd $${d} >& /dev/null && $(GIT) pull && popd >& /dev/null ;        \
 799         done ;                                                                  \
 800         $(call build_msg_fn,Git pull build tools) ;                             \
 801         $(call tool_make_target_fn,pull-all) ;                                  \
 802         $(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ;       \
 803         make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
 804
 805 .PHONY: %-diff
 806 %-diff:
 807         @$(BUILD_ENV) ;                                                 \
 808         d=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                    \
 809         $(call build_msg_fn,Git diff $(PACKAGE)) ;                      \
 810         if [ -d $${d}/.git ] ; then                                     \
 811          cd $${d} && $(GIT) --no-pager diff 2>/dev/null;                \
 812         else                                                            \
 813          $(call build_msg_fn, $(PACKAGE) not a git directory) ;         \
 814         fi
 815
 816
 817
 818 # generate diffs for everything in source path
 819 .PHONY: diff-all
 820 diff-all:
 821         @$(BUILD_ENV) ;                                                 \
 822         $(call build_msg_fn,Generate diffs) ;                           \
 823         for r in $(ABSOLUTE_SOURCE_PATH); do                            \
 824           for d in $${r}/* ; do                                         \
 825             if [ -d $${d} ] ; then                                      \
 826               $(call build_msg_fn,Git diff $${d}) ;                     \
 827               if [ -d $${d}/.git ] ; then                               \
 828                 cd $${d} && $(GIT) --no-pager diff 2>/dev/null;         \
 829               else                                                      \
 830                 $(call build_msg_fn, $${d} not a git directory) ;       \
 831               fi ;                                                      \
 832             fi ;                                                        \
 833           done ;                                                        \
 834         done
 835
 836 ######################################################################
 837 # System images
 838 ######################################################################
 839
 840 IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/image-$(PLATFORM)
 841
 842 # Reports shared libraries in given directory
 843 find_shared_libs_fn =                           \
 844   find $(1)                                     \
 845     -maxdepth 1                                 \
 846        -regex '.*/lib[a-z0-9_]+\+?\+?.so'               \
 847     -o -regex '.*/lib[a-z0-9_]+-[0-9.]+\+?\+?.so'       \
 848     -o -regex '.*/lib[a-z0-9_]+\+?\+?.so.[0-9.]+'
 849
 850 # By default pick up files from binary directories and /etc.
 851 # Also include shared libraries.
 852 DEFAULT_IMAGE_INCLUDE =                                 \
 853   for d in bin sbin libexec                             \
 854            usr/bin usr/sbin usr/libexec                 \
 855            etc; do                                      \
 856     [[ -d $$d ]] && echo $$d;                           \
 857   done ;                                                \
 858   [[ -d $(arch_lib_dir) ]]                              \
 859     && $(call find_shared_libs_fn,$(arch_lib_dir))
 860
 861 # Define any shell functions needed by install scripts
 862 image_install_functions =                       \
 863   $(foreach p,$(ALL_PACKAGES),                  \
 864     $(if $($(p)_image_install_functions),       \
 865          $($(p)_image_install_functions)))
 866
 867 # Should always be over-written by temp dir in %-root-image rule
 868 IMAGE_INSTALL_DIR = $(error you need to set IMAGE_INSTALL_DIR)
 869
 870 image_install_fn =                                                              \
 871   @$(BUILD_ENV) ;                                                               \
 872   $(call build_msg_fn,Image-install $(1) for platform $(PLATFORM)) ;            \
 873   inst_dir=$(IMAGE_INSTALL_DIR) ;                                               \
 874   mkdir -p $${inst_dir} ;                                                       \
 875   cd $(2) ;                                                                     \
 876   : select files to include in image ;                                          \
 877   image_include_files="                                                         \
 878     `$(call ifdef_fn,$(1)_image_include,$(DEFAULT_IMAGE_INCLUDE)) ;             \
 879      echo "" ;                                                                  \
 880      exit 0 ; `";                                                               \
 881   : select files regexps to exclude from image ;                                \
 882   image_exclude_files="" ;                                                      \
 883   if [ ! -z "$($(1)_image_exclude)" ] ; then                                    \
 884     image_exclude_files="${image_exclude_files}                                 \
 885                          $(patsubst %,--exclude=%,$($(1)_image_exclude))" ;     \
 886   fi ;                                                                          \
 887   [[ -z "$${image_include_files}" || $${image_include_files} == " " ]]          \
 888     || tar cf - $${image_include_files} $${image_exclude_files}                 \
 889        | tar xf - -C $${inst_dir} ;                                             \
 890   : copy files from copyimg directories on source path if present ;             \
 891   for build_data_dir in $(SOURCE_PATH_BUILD_DATA_DIRS) ; do                     \
 892     d="$${build_data_dir}/packages/$(1).copyimg" ;                              \
 893     if [ -d "$${d}" ] ; then                                                    \
 894       env $($(PLATFORM)_copyimg_env)                                            \
 895         $(MU_BUILD_ROOT_DIR)/copyimg $${d} $${inst_dir} ;                       \
 896     fi ;                                                                        \
 897   done ;                                                                        \
 898   : run package dependent install script ;                                      \
 899   $(if $($(1)_image_install),                                                   \
 900        $(image_install_functions)                                               \
 901        cd $${inst_dir} ;                                                        \
 902        $($(1)_image_install))
 903
 904 .PHONY: %-image_install
 905 %-image_install: %-install
 906         $(call image_install_fn,$(PACKAGE),$(PACKAGE_INSTALL_DIR))
 907
 908 basic_system_image_include =                                    \
 909   $(call ifdef_fn,$(PLATFORM)_basic_system_image_include,       \
 910   echo bin/ldd ;                                                \
 911   echo $(arch_lib_dir)/ld*.so* ;                                \
 912   $(call find_shared_libs_fn, $(arch_lib_dir)))
 913
 914 basic_system_image_install =                            \
 915   mkdir -p bin lib mnt proc root sbin sys tmp etc ;     \
 916   mkdir -p usr usr/{bin,sbin} usr/lib ;                 \
 917   mkdir -p var var/{lib,lock,log,run,tmp} ;             \
 918   mkdir -p var/lock/subsys var/lib/urandom
 919
 920 .PHONY: basic_system-image_install
 921 basic_system-image_install: # linuxrc-install
 922         $(if $(not_native),                                                     \
 923              $(call image_install_fn,basic_system,$(TARGET_TOOL_INSTALL_DIR)),)
 924
 925 ROOT_PACKAGES = $(if $($(PLATFORM)_root_packages),$($(PLATFORM)_root_packages),$(default_root_packages))
 926
 927 .PHONY: install-packages
 928 install-packages: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 929         @$(BUILD_ENV) ;                                                         \
 930         set -eu$(BUILD_DEBUG) ;                                                 \
 931         d=$(MU_BUILD_ROOT_DIR)/packages-$(PLATFORM) ;                           \
 932         rm -rf $${d} ;                                                          \
 933         mkdir -p $${d};                                                         \
 934         $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${d}                 \
 935             $(patsubst %,%-image_install,                                       \
 936               basic_system                                                      \
 937               $(ROOT_PACKAGES)) || exit 1;                                      \
 938         $(call build_msg_fn, Relocating ELF executables to run in $${d}) ;      \
 939         scripts/set-rpath $${d} $${d}/$(arch_lib_dir) ;                         \
 940         : strip symbols from files ;                                            \
 941         if [ $${strip_symbols:-no} = 'yes' ] ; then                             \
 942             $(call build_msg_fn, Stripping symbols from files) ;                \
 943             find $${d} -type f                                                  \
 944                 -exec                                                           \
 945                   $(TARGET_PREFIX)strip                                         \
 946                     --strip-unneeded '{}' ';'                                   \
 947                     >& /dev/null ;                                              \
 948         else                                                                    \
 949             $(call build_msg_fn, NOT stripping symbols) ;                       \
 950         fi
 951
 952 # readonly root squashfs image
 953 # Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
 954 .PHONY: ro-image
 955 $(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 956         @$(BUILD_ENV) ;                                                 \
 957         d=$(PLATFORM_IMAGE_DIR) ;                                       \
 958         mkdir -p $$d;                                                   \
 959         ro_image=$$d/ro.img ;                                           \
 960         rm -f $${ro_image} ;                                            \
 961         tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ;                     \
 962         chmod 0755 $${tmp_dir} ;                                        \
 963         cd $${tmp_dir} ;                                                \
 964         trap "rm -rf $${tmp_dir}" err ;                                 \
 965         fakeroot /bin/bash -c "{                                        \
 966           set -eu$(BUILD_DEBUG) ;                                       \
 967           $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
 968             $(patsubst %,%-image_install,                               \
 969               basic_system                                              \
 970               $(ROOT_PACKAGES)) ;                                       \
 971           : make dev directory ;                                        \
 972           $(linuxrc_makedev) ;                                          \
 973           echo @@@@ Relocating ELF executables to run in / @@@@ ;       \
 974           scripts/set-rpath /$(arch_lib_dir):/lib ;                     \
 975           : strip symbols from files ;                                  \
 976           if [ '$${strip_symbols:-yes}' = 'yes' ] ; then                \
 977               echo @@@@ Stripping symbols from files @@@@ ;             \
 978               find $${tmp_dir} -type f                                  \
 979                 -exec                                                   \
 980                   $(TARGET_PREFIX)strip                                 \
 981                     --strip-unneeded '{}' ';'                           \
 982                     >& /dev/null ;                                      \
 983           else                                                          \
 984               echo @@@@ NOT stripping symbols @@@@ ;                    \
 985           fi ;                                                          \
 986           if [ $${sign_executables:-yes} = 'yes'                        \
 987                -a -n "$($(PLATFORM)_public_key)" ] ; then               \
 988               echo @@@@ Signing executables @@@@ ;                      \
 989               find $${tmp_dir} -type f                                  \
 990                 | xargs sign $($(PLATFORM)_public_key)                  \
 991                              $($(PLATFORM)_private_key_passphrase) ;    \
 992           fi ;                                                          \
 993           : make read-only file system ;                                \
 994           mksquashfs                                                    \
 995             $${tmp_dir} $${ro_image}                                    \
 996             -no-exports -no-progress -no-recovery ;                     \
 997         }" ;                                                            \
 998         : cleanup tmp directory ;                                       \
 999         rm -rf $${tmp_dir}
1000
1001 MKFS_JFFS2_BYTE_ORDER_x86_64 = -l
1002 MKFS_JFFS2_BYTE_ORDER_i686 = -l
1003 MKFS_JFFS2_BYTE_ORDER_ppc = -b
1004 MKFS_JFFS2_BYTE_ORDER_mips = -b
1005 MKFS_JFFS2_BYTE_ORDER_native = $(MKFS_JFFS2_BYTE_ORDER_$(NATIVE_ARCH))
1006
1007 MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES = \
1008   $(call ifdef_fn,$(PLATFORM)_jffs2_sector_size_in_kbytes,256)
1009
1010 mkfs_fn_jffs2 = mkfs.jffs2                              \
1011   --eraseblock=$(MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES)KiB   \
1012   --root=$(1) --output=$(2)                             \
1013   $(MKFS_JFFS2_BYTE_ORDER_$(BASIC_ARCH))
1014
1015 # As things stand the actual initrd size parameter
1016 # is set in .../open-repo/build-data/packages/linuxrc.mk.
1017 EXT2_RW_IMAGE_SIZE=notused
1018
1019 mkfs_fn_ext2 = \
1020   e2fsimage -d $(1) -f $(2) -s $(EXT2_RW_IMAGE_SIZE)
1021
1022 RW_IMAGE_TYPE=jffs2
1023
1024 make_rw_image_fn = \
1025   $(call mkfs_fn_$(RW_IMAGE_TYPE),$(1),$(2))
1026
1027 rw_image_embed_ro_image_fn =                                    \
1028   mkdir -p proc initrd images ro rw union ;                     \
1029   cp $(PLATFORM_IMAGE_DIR)/$(1) images/$(1) ;                   \
1030   md5sum images/$(1) > images/$(1).md5 ;                        \
1031   echo Built by $(LOGNAME) at `date` > images/$(1).stamp ;      \
1032   mkdir -p changes/$(1)
1033
1034 # make sure RW_IMAGE_TYPE is a type we know how to build
1035 .PHONY: rw-image-check-type
1036 rw-image-check-type:
1037         @$(BUILD_ENV) ;                                                         \
1038         if [ -z "$(make_rw_image_fn)" ] ; then                                  \
1039           $(call build_msg_fn,Unknown read/write fs image type;                 \
1040                               try RW_IMAGE_TYPE=ext2 or RW_IMAGE_TYPE=jffs2) ;  \
1041           exit 1;                                                               \
1042         fi
1043
1044 # read write image
1045 .PHONY: rw-image
1046 rw-image: rw-image-check-type ro-image
1047         @$(BUILD_ENV) ;                                         \
1048         d=$(PLATFORM_IMAGE_DIR) ;                               \
1049         mkdir -p $$d ;                                          \
1050         rw_image="$$d/rw.$(RW_IMAGE_TYPE)" ;                    \
1051         ro_image="ro.img" ;                                     \
1052         rm -f $$rw_image ;                                      \
1053         tmp_dir="`mktemp -d $$d/rw-image-XXXXXX`" ;             \
1054         chmod 0755 $${tmp_dir} ;                                \
1055         cd $${tmp_dir} ;                                        \
1056         trap "rm -rf $${tmp_dir}" err ;                         \
1057         fakeroot /bin/bash -c "{                                \
1058           set -eu$(BUILD_DEBUG) ;                               \
1059           $(linuxrc_makedev) ;                                  \
1060           $(call rw_image_embed_ro_image_fn,$${ro_image}) ;     \
1061           $(call make_rw_image_fn,$${tmp_dir},$${rw_image}) ;   \
1062         }" ;                                                    \
1063         : cleanup tmp directory ;                               \
1064         rm -rf $${tmp_dir}
1065
1066 images: linuxrc-install linux-install $(image_extra_dependencies) rw-image
1067         @$(BUILD_ENV) ;                                         \
1068         d=$(PLATFORM_IMAGE_DIR) ;                               \
1069         cd $(BUILD_DIR)/linux-$(PLATFORM) ;                     \
1070         i="" ;                                                  \
1071         [[ -z $$i && -f bzImage ]] && i=bzImage ;               \
1072         [[ -z $$i && -f zImage ]] && i=zImage ;                 \
1073         [[ -z $$i && -f linux ]] && i=linux ;                   \
1074         [[ -z $$i && -f vmlinux ]] && i=vmlinux ;               \
1075         [[ -z $$i ]]                                            \
1076           && $(call build_msg_fn,no linux image to install      \
1077                 in $(BUILD_DIR)/linux-$(PLATFORM))              \
1078           && exit 1 ;                                           \
1079         cp $$i $$d
1080
1081 ######################################################################
1082 # Tool chain build/install
1083 ######################################################################
1084
1085 .PHONY: ccache-install
1086 ccache-install:
1087         $(MAKE) -C $(MU_BUILD_ROOT_DIR) ccache-build
1088         mkdir -p $(TOOL_INSTALL_DIR)/ccache-bin
1089         ln -sf $(MU_BUILD_ROOT_DIR)/build-tool-native/ccache/ccache \
1090                 $(TOOL_INSTALL_DIR)/ccache-bin/$(TARGET_PREFIX)gcc
1091
1092 TOOL_MAKE = $(MAKE) is_build_tool=yes
1093
1094 tool_make_target_fn =                                                   \
1095   $(if $(strip $(NATIVE_TOOLS)),                                        \
1096     $(TOOL_MAKE) $(patsubst %,%-$(1),$(NATIVE_TOOLS)) ARCH=native || exit 1 ;) \
1097   $(TOOL_MAKE) $(patsubst %,%-$(1),$(CROSS_TOOLS))
1098
1099 .PHONY: install-tools
1100 install-tools:
1101         $(call tool_make_target_fn,install)
1102
1103 .PHONY: bootstrap-tools
1104 bootstrap-tools:
1105         $(TOOL_MAKE) make-install findutils-install git-install \
1106         automake-install autoconf-install libtool-install fakeroot-install
1107
1108
1109 ######################################################################
1110 # Clean
1111 ######################################################################
1112
1113 package_clean_script =                                                  \
1114   @$(call build_msg_fn, Cleaning $* in $(PACKAGE_INSTALL_DIR)) ;        \
1115   $(BUILD_ENV) ;                                                        \
1116   $(if $(is_build_tool),,rm -rf $(PACKAGE_INSTALL_DIR) ;)               \
1117   rm -rf $(TIMESTAMP_DIR)/$(call timestamp_name_fn,*) ;                 \
1118   $(if $($(PACKAGE)_clean),                                             \
1119     $($(PACKAGE)_clean),                                                \
1120     $(PACKAGE_MAKE) clean)
1121
1122 .PHONY: %-clean
1123 %-clean:
1124         $(package_clean_script)
1125
1126 # Wipe e.g. remove build and install directories for packages.
1127 package_wipe_script =                                                                                   \
1128   @message=$(if $(is_build_tool),"Wiping build $(PACKAGE)","Wiping build/install $(PACKAGE)") ;         \
1129   $(call build_msg_fn,$$message) ;                                                                      \
1130   $(BUILD_ENV) ;                                                                                        \
1131   rm -rf $(if $(is_build_tool),$(PACKAGE_BUILD_DIR),$(PACKAGE_INSTALL_DIR) $(PACKAGE_BUILD_DIR))
1132
1133 .PHONY: %-wipe
1134 %-wipe:
1135         $(package_wipe_script)
1136
1137 # Wipe entire build/install area for TAG and PLATFORM
1138 .PHONY: wipe-all
1139 wipe-all:
1140         @$(call build_msg_fn, Wiping $(BUILD_DIR) $(INSTALL_DIR)) ;     \
1141         $(BUILD_ENV) ;                                                  \
1142         rm -rf $(BUILD_DIR) $(INSTALL_DIR)
1143
1144 # Clean everything
1145 distclean:
1146         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_package)*/
1147         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_tool)*
1148         rm -rf $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)*
1149         rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
1150         rm -rf $(TOOL_INSTALL_DIR)
1151         rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
1152         rm -rf $(MU_BUILD_ROOT_DIR)/*.rpm
1153         rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
1154         rm -rf $(MU_BUILD_ROOT_DIR)/python
1155         if [ -e /usr/bin/dh ];then (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean); fi
1156         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
1157         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog