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=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;       \
 321     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;                                   \
 322     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)  \
 323     set -eu$(BUILD_DEBUG) ;                                                             \
 324     set -o pipefail
 325
 326 ######################################################################
 327 # Package build generic definitions
 328 ######################################################################
 329
 330 package_dir_fn = \
 331   $(call find_build_data_dir_for_package_fn,$(1))/packages
 332
 333 package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
 334
 335 # Pick up built-root/pre-package-include.mk for all source directories
 336 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 337   $(eval -include $(d)/pre-package-include.mk))
 338
 339 $(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)),                 \
 340   $(eval -include $(d)/*.mk)                                            \
 341   $(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
 342 )
 343
 344 # Pick up built-root/post-package-include.mk for all source directories
 345 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 346   $(eval -include $(d)/post-package-include.mk))
 347
 348 # Linux specific native build tools
 349 NATIVE_TOOLS_LINUX =                            \
 350   e2fsimage                                     \
 351   e2fsprogs                                     \
 352   fakeroot                                      \
 353   jffs2                                         \
 354   mkimage                                       \
 355   zlib                                          \
 356   xz                                            \
 357   squashfs
 358
 359 IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
 360
 361 NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
 362
 363 # only build glibc for linux installs
 364 CROSS_TOOLS_$(IS_LINUX) += glibc gcc
 365
 366 # must be first for bootstrapping
 367 NATIVE_TOOLS = findutils make
 368
 369 # basic tools needed for build system
 370 NATIVE_TOOLS += git automake autoconf libtool texinfo tar
 371
 372 # needed to compile gcc
 373 NATIVE_TOOLS += mpfr gmp mpc
 374
 375 # Tool to sign binaries
 376 NATIVE_TOOLS += sign
 377
 378 # ccache
 379 NATIVE_TOOLS += ccache
 380
 381 # Tools needed on native host to build for platform
 382 NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
 383
 384 # Tools for cross-compiling from native -> ARCH
 385 CROSS_TOOLS = binutils gcc-bootstrap gdb
 386
 387 # Tools needed on native host to build for platform
 388 CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
 389
 390 NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
 391 CROSS_TOOLS += $(CROSS_TOOLS_yes)
 392
 393 timestamp_name_fn = .mu_build_$(1)_timestamp
 394 CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
 395 BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
 396 INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
 397
 398 TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
 399
 400 find_newer_files_fn =                                           \
 401   "`for i in $(2) ; do                                          \
 402       [[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0;     \
 403     done ;                                                      \
 404     exit 0;`"
 405
 406 find_filter = -not -name '*~'
 407 find_filter += -and -not -path '*/.git*'
 408 find_filter += -and -not -path '*/.svn*'
 409 find_filter += -and -not -path '*/.CVS*'
 410 find_filter += -and -not -path '*/manual/*'
 411 find_filter += -and -not -path '*/autom4te.cache/*'
 412 find_filter += -and -not -path '*/doc/all-cfg.texi'
 413 find_filter += -and -not -path '*/.mu_build_*'
 414
 415 find_newer_filtered_fn =                        \
 416   (! -f $(1)                                    \
 417     || -n $(call find_newer_files_fn,$(1),$(3)) \
 418     || -n "`find -H $(2)                        \
 419               -type f                           \
 420               -and -newer $(1)                  \
 421               -and \( $(4) \)                   \
 422               -print -quit`")
 423
 424 find_newer_fn =                                                 \
 425   $(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
 426
 427 ######################################################################
 428 # Package dependencies
 429 ######################################################################
 430
 431 # This must come before %-configure, %-build, %-install pattern rules
 432 # or else dependencies will not work.
 433
 434 package_dependencies_fn =                               \
 435   $(patsubst %-install, %,                              \
 436     $(filter %-install,$($(1)_configure_depend)))
 437
 438 PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
 439
 440 # package specific configure, build, install dependencies
 441 add_package_dependency_fn = \
 442   $(if $($(1)_$(2)_depend), \
 443        $(eval $(1)-$(2) : $($(1)_$(2)_depend)))
 444
 445 $(foreach p,$(ALL_PACKAGES), \
 446     $(call add_package_dependency_fn,$(p),configure) \
 447     $(call add_package_dependency_fn,$(p),build) \
 448     $(call add_package_dependency_fn,$(p),install))
 449
 450 TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
 451
 452 # carry over packages dependencies to image install, wipe, pull-all, push-all
 453 $(foreach p,$(ALL_PACKAGES),                                                    \
 454   $(if $($(p)_configure_depend),                                                \
 455     $(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES),                             \
 456       $(eval $(p)-$(s):                                                         \
 457              $(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
 458
 459 # recursively resolve dependencies
 460 resolve_dependencies2_fn = $(strip                                      \
 461   $(eval __added = $(filter-out $(4),                                   \
 462     $(call uniq_fn,                                                     \
 463       $(foreach l,$(3),                                                 \
 464        $(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1))))             \
 465       ))))                                                              \
 466   $(eval __known = $(call uniq_fn,$(4) $(3) $(__added)))                \
 467   $(if $(__added),                                                      \
 468     $(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)),   \
 469     $(__known))                                                         \
 470 )
 471
 472 resolve_dependencies_null_fn = $(1)
 473
 474 resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
 475
 476 ######################################################################
 477 # Package configure
 478 ######################################################################
 479
 480 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
 481 BIARCH = 64
 482
 483 x86_64_libdir = $(BIARCH)
 484 native_libdir = $($(NATIVE_ARCH)_libdir)
 485
 486 # lib or lib64 depending
 487 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 488
 489 # find dynamic linker as absolute path
 490 TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
 491 DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
 492
 493 # Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
 494 # Yes, this is a kludge.
 495 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
 496
 497 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
 498 # Allow per-platform overrides
 499 CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
 500 ifeq ($(CROSS_LDFLAGS),)
 501   CROSS_LDFLAGS =                                                                                       \
 502     -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)       \
 503     -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
 504 endif
 505
 506 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
 507
 508 # $(call installed_libs_fn,PACKAGE)
 509 # Return install library directory for given package.
 510 # Some packages (e.g. openssl) don't install under lib64; instead they use lib
 511 define installed_lib_fn
 512 $(call if_directory_exists_fn,
 513   $(call package_install_dir_fn,$(1))/$(arch_lib_dir),
 514   $(call package_install_dir_fn,$(1))/lib)
 515 endef
 516
 517 # Set -L and rpath to point to dependent libraries previously built by us.
 518 installed_libs_fn =                                     \
 519   $(foreach i,$(1),                                     \
 520     -L$(call installed_lib_fn,$(i))                     \
 521     -Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
 522
 523 # As above for include files
 524 installed_include_fn = $(call package_install_dir_fn,$(1))/include
 525
 526 installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
 527
 528 # By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
 529 # point at dependent install directories.
 530 DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
 531 DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
 532
 533 configure_var_fn = \
 534   $(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
 535 configure_ldflags_fn = \
 536   $(cross_ldflags)$(call configure_var_fn,LDFLAGS)
 537
 538 # Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
 539 CONFIGURE_ENV =                                                         \
 540     $(if $(call configure_var_fn,CPPFLAGS),                             \
 541          CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)")      \
 542     $(if $(call configure_var_fn,CXXFLAGS),                             \
 543          CXXFLAGS="$(CXXFLAGS) $(call configure_var_fn,CXXFLAGS)")      \
 544     $(if $(call configure_var_fn,CFLAGS),                               \
 545          CFLAGS="$(CFLAGS) $(call configure_var_fn,CFLAGS)")            \
 546     $(if $(call configure_var_fn,CCASFLAGS),                            \
 547          CCASFLAGS="$(CCASFLAGS) $(call configure_var_fn,CCASFLAGS)")   \
 548     $(if $(call configure_ldflags_fn),                                  \
 549          LDFLAGS="$(LDFLAGS) $(call configure_ldflags_fn)")             \
 550     $(if $($(PACKAGE)_configure_env),$($(PACKAGE)_configure_env))
 551
 552 # only partially used now (used in a few .mk files)
 553 ifeq ($(is_build_tool),yes)
 554 prefix     = $(PACKAGE_INSTALL_DIR)
 555 libdir     = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
 556 libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
 557 DESTDIR     = /
 558 else
 559 # Eventually simplify this with no per package DESTDIR or prefix
 560 ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
 561 pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
 562 prefixMacro     = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
 563 prefix = $(call prefixMacro,$(PACKAGE))
 564 libdir     = $($(PLATFORM)_LIBDIR)
 565 libexecdir = $($(PLATFORM)_LIBEXECDIR)
 566 destdirMacro  = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
 567 DESTDIR  = $(call destdirMacro,$(PACKAGE))
 568 endif
 569
 570 configure_package_gnu =                                         \
 571   s=$(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR) ; \
 572   if [ ! -f $$s/configure ] ; then                              \
 573     autoreconf -i -f $$s ;                                      \
 574   fi ;                                                          \
 575   cd $(PACKAGE_BUILD_DIR) ;                                     \
 576   env $(CONFIGURE_ENV)                                          \
 577     $$s/configure                                               \
 578       $(if $($(PACKAGE)_configure_host_and_target),             \
 579            $($(PACKAGE)_configure_host_and_target),             \
 580            $(if $(not_native),--host=$(TARGET),))               \
 581       $(if $($(PACKAGE)_configure_prefix),                      \
 582            $($(PACKAGE)_configure_prefix),                      \
 583            --libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)      \
 584            --prefix=$(PACKAGE_INSTALL_DIR))                     \
 585       $($(PACKAGE)_configure_args)                              \
 586       $($(PACKAGE)_configure_args_$(PLATFORM))
 587
 588 configure_package =                                                     \
 589   $(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
 590   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 591   $(if $($(PACKAGE)_configure),                                         \
 592        $($(PACKAGE)_configure),                                         \
 593        $(configure_package_gnu))
 594
 595 # Tools (e.g. gcc, binutils, gdb) required a platform to build for
 596 check_platform =                                                                \
 597   is_tool="$(is_build_tool)" ;                                                  \
 598   is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ;                  \
 599   is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ;                        \
 600   if [ "$${is_tool}" == "yes"                                                   \
 601        -a "$${is_cross_package}" != ""                                          \
 602        -a "$${is_arch_native}" != "" ]; then                                    \
 603     $(call build_msg_fn,You must specify PLATFORM for building tools) ;         \
 604     exit 1 ;                                                                    \
 605   fi ;                                                                          \
 606   : check that platform gcc can be found ;                                      \
 607   target_gcc=gcc ;                                                              \
 608   if [ "$${is_arch_native}" != "yes" ] ; then                                   \
 609     target_gcc=$(TARGET)-gcc ;                                                  \
 610   fi ;                                                                          \
 611   if [ "$${is_tool}" != "yes"                                                   \
 612        -a "$${is_arch_native}" != "yes"                                         \
 613        -a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then                   \
 614     $(call build_msg_fn,                                                        \
 615            No cross-compiler found for platform $(PLATFORM) target $(TARGET);   \
 616              try make PLATFORM=$(PLATFORM) install-tools) ;                     \
 617     exit 1 ;                                                                    \
 618   fi
 619
 620 configure_check_timestamp =                                             \
 621   @$(BUILD_ENV) ;                                                       \
 622   $(check_platform) ;                                                   \
 623   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 624   mkdir -p $(PACKAGE_INSTALL_DIR) ;                                     \
 625   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                      \
 626   dirs="$(call package_mk_fn,$(PACKAGE))                                \
 627         $(wildcard $(call find_source_fn,                               \
 628                      $(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)/configure)     \
 629        $(MU_BUILD_ROOT_DIR)/config.site" ;                              \
 630   if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then          \
 631     $(configure_package) ;                                              \
 632     touch $${conf} ;                                                    \
 633   else                                                                  \
 634     $(call build_msg_fn,Configuring $(PACKAGE): nothing to do) ;        \
 635   fi
 636
 637 .PHONY: %-configure
 638 %-configure: %-find-source
 639         $(configure_check_timestamp)
 640
 641 ######################################################################
 642 # Package build
 643 ######################################################################
 644
 645 # /proc/cpuinfo does not exist on platforms without a /proc and on some
 646 # platforms, notably inside containers, it has no content. In those cases
 647 # we assume there's 1 processor; we use 2*ncpu for the -j option.
 648 # NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
 649 # for file presence and content; for now this will have to do.
 650 MAKE_PARALLEL_JOBS = -j $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
 651         $(shell grep -c ^processor /proc/cpuinfo), 2)
 652 MAKE_PARALLEL_FLAGS ?= $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
 653
 654 # Make command shorthand for packages & tools.
 655 PACKAGE_MAKE =                                  \
 656   $(MAKE)                                       \
 657     -C $(PACKAGE_BUILD_DIR)                     \
 658     $($(PACKAGE)_make_args)                     \
 659     $(MAKE_PARALLEL_FLAGS)
 660
 661 build_package =                                                 \
 662   $(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ;    \
 663   mkdir -p $(PACKAGE_BUILD_DIR) ;                               \
 664   cd $(PACKAGE_BUILD_DIR) ;                                     \
 665   $(if $($(PACKAGE)_build),                                     \
 666        $($(PACKAGE)_build),                                     \
 667        $(PACKAGE_MAKE))
 668
 669 build_check_timestamp =                                                                 \
 670   @$(BUILD_ENV) ;                                                                       \
 671   comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ;                                          \
 672   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                                      \
 673   dirs="$(call find_source_fn,$(PACKAGE_SOURCE))                                        \
 674         $($(PACKAGE)_build_timestamp_depends)                                           \
 675         $(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
 676   if [[ $${conf} -nt $${comp}                                                           \
 677         || $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then                       \
 678     $(build_package) ;                                                                  \
 679     touch $${comp} ;                                                                    \
 680   else                                                                                  \
 681     $(call build_msg_fn,Building $(PACKAGE): nothing to do) ;                           \
 682   fi
 683
 684 .PHONY: %-build
 685 %-build: %-configure
 686         $(build_check_timestamp)
 687
 688 .PHONY: %-rebuild
 689 %-rebuild: %-wipe %-build
 690         @ :
 691
 692 ######################################################################
 693 # Package install
 694 ######################################################################
 695
 696 install_package =                                                               \
 697     : by default, for non-tools, remove any previously installed bits ;         \
 698     $(if $(is_build_tool)$($(PACKAGE)_keep_instdir),                            \
 699          true,                                                                  \
 700          rm -rf $(PACKAGE_INSTALL_DIR));                                        \
 701     mkdir -p $(PACKAGE_INSTALL_DIR) ;                                           \
 702     $(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true);             \
 703     $(if $($(PACKAGE)_install),                                                 \
 704          $($(PACKAGE)_install),                                                 \
 705          $(PACKAGE_MAKE)                                                        \
 706             $($(PACKAGE)_install_args)                                          \
 707             install) ;                                                          \
 708     $(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
 709
 710 install_check_timestamp =                                       \
 711   @$(BUILD_ENV) ;                                               \
 712   inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ;                  \
 713   dirs="$(PACKAGE_BUILD_DIR)                                    \
 714         $($(PACKAGE)_install_dependencies)" ;                   \
 715   if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then  \
 716     $(call build_msg_fn,Installing $(PACKAGE)) ;                \
 717     $(install_package) ;                                        \
 718     touch $${inst} ;                                            \
 719   else                                                          \
 720     $(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
 721   fi
 722
 723 .PHONY: %-install
 724 %-install: %-build
 725         $(install_check_timestamp)
 726
 727 ######################################################################
 728 # Source code managment
 729 ######################################################################
 730
 731 GIT = git
 732
 733 # Maps package name to source directory root.
 734 # Multiple packages may use a single source tree.
 735 # For example, gcc-bootstrap package shares gcc source.
 736 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
 737 PACKAGE_SUBDIR = $(if $($(PACKAGE)_configure_subdir),/$($(PACKAGE)_configure_subdir),)
 738
 739 # Use git to download source if directory is not found
 740 find_source_for_package =                                                                       \
 741   @$(BUILD_ENV) ;                                                                               \
 742   $(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ;                             \
 743   $(call build_msg_fn,Finding source for $(PACKAGE)) ;                                          \
 744   s="$(call find_source_fn,$(PACKAGE_SOURCE))" ;                                                \
 745   [[ -z "$${s}" ]]                                                                              \
 746     && $(call build_msg_fn,Package $(PACKAGE) not found with path $(SOURCE_PATH))               \
 747     && exit 1;                                                                                  \
 748   mk="$(call find_build_data_dir_for_package_fn,$(PACKAGE_SOURCE))/packages/$(PACKAGE).mk";     \
 749   $(call build_msg_fn,Makefile fragment found in $${mk}) ;                                      \
 750   if [ ! -d "$${s}" ] ; then                                                                    \
 751     d=`dirname $${mk}` ;                                                                        \
 752     i=`cd $${d}/.. && ($(GIT) config remote.origin.url ||                                       \
 753                     awk '/URL/ { print $$2; }' .git/remotes/origin)`;                           \
 754     g=`dirname $${i}` ;                                                                         \
 755     $(call build_msg_fn,Fetching source: $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s) ;            \
 756     if ! $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s; then                                         \
 757       $(call build_msg_fn,No source for $(PACKAGE) in $${g});                                   \
 758       exit 1;                                                                                   \
 759     fi ;                                                                                        \
 760     $(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ;                                    \
 761     (cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ;                                        \
 762   fi ;                                                                                          \
 763   s=`cd $${s} && pwd` ;                                                                         \
 764   $(call build_msg_fn,Source found in $${s})
 765
 766 .PHONY: %-find-source
 767 %-find-source:
 768         $(find_source_for_package)
 769
 770 .PHONY: %-push %-pull %-push-all %-pull-all
 771 %-push %-pull %-push-all %-pull-all:
 772         @$(BUILD_ENV) ;                                                         \
 773         push_or_pull=$(patsubst %-all,%,$(subst $(PACKAGE)-,,$@)) ;             \
 774         $(call build_msg_fn,Git $${push_or_pull} source for $(PACKAGE)) ;       \
 775         s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                            \
 776         if [ "x$$s" = "x" ]; then                                               \
 777              $(call build_msg_fn,No source for $(PACKAGE)) ;                    \
 778              exit 1;                                                            \
 779         fi ;                                                                    \
 780         cd $$s && $(GIT) $${push_or_pull}
 781
 782 # Pull all packages for platform
 783 .PHONY: pull-all
 784 pull-all:
 785         @$(BUILD_ENV) ;                                                         \
 786         $(call build_msg_fn,Git pull build system) ;                            \
 787         for d in $(MU_BUILD_ROOT_DIR)                                           \
 788                  $(SOURCE_PATH_BUILD_ROOT_DIRS)                                 \
 789                  $(SOURCE_PATH_BUILD_DATA_DIRS); do                             \
 790           $(call build_msg_fn,Git pull $${d}) ;                                 \
 791           pushd $${d} >& /dev/null && $(GIT) pull && popd >& /dev/null ;        \
 792         done ;                                                                  \
 793         $(call build_msg_fn,Git pull build tools) ;                             \
 794         $(call tool_make_target_fn,pull-all) ;                                  \
 795         $(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ;       \
 796         make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
 797
 798 .PHONY: %-diff
 799 %-diff:
 800         @$(BUILD_ENV) ;                                                 \
 801         d=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                    \
 802         $(call build_msg_fn,Git diff $(PACKAGE)) ;                      \
 803         if [ -d $${d}/.git ] ; then                                     \
 804          cd $${d} && $(GIT) --no-pager diff 2>/dev/null;                \
 805         else                                                            \
 806          $(call build_msg_fn, $(PACKAGE) not a git directory) ;         \
 807         fi
 808
 809
 810
 811 # generate diffs for everything in source path
 812 .PHONY: diff-all
 813 diff-all:
 814         @$(BUILD_ENV) ;                                                 \
 815         $(call build_msg_fn,Generate diffs) ;                           \
 816         for r in $(ABSOLUTE_SOURCE_PATH); do                            \
 817           for d in $${r}/* ; do                                         \
 818             if [ -d $${d} ] ; then                                      \
 819               $(call build_msg_fn,Git diff $${d}) ;                     \
 820               if [ -d $${d}/.git ] ; then                               \
 821                 cd $${d} && $(GIT) --no-pager diff 2>/dev/null;         \
 822               else                                                      \
 823                 $(call build_msg_fn, $${d} not a git directory) ;       \
 824               fi ;                                                      \
 825             fi ;                                                        \
 826           done ;                                                        \
 827         done
 828
 829 ######################################################################
 830 # System images
 831 ######################################################################
 832
 833 IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/image-$(PLATFORM)
 834
 835 # Reports shared libraries in given directory
 836 find_shared_libs_fn =                           \
 837   find $(1)                                     \
 838     -maxdepth 1                                 \
 839        -regex '.*/lib[a-z0-9_]+\+?\+?.so'               \
 840     -o -regex '.*/lib[a-z0-9_]+-[0-9.]+\+?\+?.so'       \
 841     -o -regex '.*/lib[a-z0-9_]+\+?\+?.so.[0-9.]+'
 842
 843 # By default pick up files from binary directories and /etc.
 844 # Also include shared libraries.
 845 DEFAULT_IMAGE_INCLUDE =                                 \
 846   for d in bin sbin libexec                             \
 847            usr/bin usr/sbin usr/libexec                 \
 848            etc; do                                      \
 849     [[ -d $$d ]] && echo $$d;                           \
 850   done ;                                                \
 851   [[ -d $(arch_lib_dir) ]]                              \
 852     && $(call find_shared_libs_fn,$(arch_lib_dir))
 853
 854 # Define any shell functions needed by install scripts
 855 image_install_functions =                       \
 856   $(foreach p,$(ALL_PACKAGES),                  \
 857     $(if $($(p)_image_install_functions),       \
 858          $($(p)_image_install_functions)))
 859
 860 # Should always be over-written by temp dir in %-root-image rule
 861 IMAGE_INSTALL_DIR = $(error you need to set IMAGE_INSTALL_DIR)
 862
 863 image_install_fn =                                                              \
 864   @$(BUILD_ENV) ;                                                               \
 865   $(call build_msg_fn,Image-install $(1) for platform $(PLATFORM)) ;            \
 866   inst_dir=$(IMAGE_INSTALL_DIR) ;                                               \
 867   mkdir -p $${inst_dir} ;                                                       \
 868   cd $(2) ;                                                                     \
 869   : select files to include in image ;                                          \
 870   image_include_files="                                                         \
 871     `$(call ifdef_fn,$(1)_image_include,$(DEFAULT_IMAGE_INCLUDE)) ;             \
 872      echo "" ;                                                                  \
 873      exit 0 ; `";                                                               \
 874   : select files regexps to exclude from image ;                                \
 875   image_exclude_files="" ;                                                      \
 876   if [ ! -z "$($(1)_image_exclude)" ] ; then                                    \
 877     image_exclude_files="${image_exclude_files}                                 \
 878                          $(patsubst %,--exclude=%,$($(1)_image_exclude))" ;     \
 879   fi ;                                                                          \
 880   [[ -z "$${image_include_files}" || $${image_include_files} == " " ]]          \
 881     || tar cf - $${image_include_files} $${image_exclude_files}                 \
 882        | tar xf - -C $${inst_dir} ;                                             \
 883   : copy files from copyimg directories on source path if present ;             \
 884   for build_data_dir in $(SOURCE_PATH_BUILD_DATA_DIRS) ; do                     \
 885     d="$${build_data_dir}/packages/$(1).copyimg" ;                              \
 886     if [ -d "$${d}" ] ; then                                                    \
 887       env $($(PLATFORM)_copyimg_env)                                            \
 888         $(MU_BUILD_ROOT_DIR)/copyimg $${d} $${inst_dir} ;                       \
 889     fi ;                                                                        \
 890   done ;                                                                        \
 891   : run package dependent install script ;                                      \
 892   $(if $($(1)_image_install),                                                   \
 893        $(image_install_functions)                                               \
 894        cd $${inst_dir} ;                                                        \
 895        $($(1)_image_install))
 896
 897 .PHONY: %-image_install
 898 %-image_install: %-install
 899         $(call image_install_fn,$(PACKAGE),$(PACKAGE_INSTALL_DIR))
 900
 901 basic_system_image_include =                                    \
 902   $(call ifdef_fn,$(PLATFORM)_basic_system_image_include,       \
 903   echo bin/ldd ;                                                \
 904   echo $(arch_lib_dir)/ld*.so* ;                                \
 905   $(call find_shared_libs_fn, $(arch_lib_dir)))
 906
 907 basic_system_image_install =                            \
 908   mkdir -p bin lib mnt proc root sbin sys tmp etc ;     \
 909   mkdir -p usr usr/{bin,sbin} usr/lib ;                 \
 910   mkdir -p var var/{lib,lock,log,run,tmp} ;             \
 911   mkdir -p var/lock/subsys var/lib/urandom
 912
 913 .PHONY: basic_system-image_install
 914 basic_system-image_install: # linuxrc-install
 915         $(if $(not_native),                                                     \
 916              $(call image_install_fn,basic_system,$(TARGET_TOOL_INSTALL_DIR)),)
 917
 918 ROOT_PACKAGES = $(if $($(PLATFORM)_root_packages),$($(PLATFORM)_root_packages),$(default_root_packages))
 919
 920 .PHONY: install-packages
 921 install-packages: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 922         @$(BUILD_ENV) ;                                                         \
 923         set -eu$(BUILD_DEBUG) ;                                                 \
 924         d=$(MU_BUILD_ROOT_DIR)/packages-$(PLATFORM) ;                           \
 925         rm -rf $${d} ;                                                          \
 926         mkdir -p $${d};                                                         \
 927         $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${d}                 \
 928             $(patsubst %,%-image_install,                                       \
 929               basic_system                                                      \
 930               $(ROOT_PACKAGES)) || exit 1;                                      \
 931         $(call build_msg_fn, Relocating ELF executables to run in $${d}) ;      \
 932         find $${d} -type f                                                      \
 933             -exec elftool quiet in '{}' out '{}'                                \
 934                 set-interpreter                                                 \
 935                     $${d}/$(arch_lib_dir)/$(DYNAMIC_LINKER)                     \
 936                 set-rpath $${d}/$(arch_lib_dir):$${d}/lib ';' ;                 \
 937         : strip symbols from files ;                                            \
 938         if [ $${strip_symbols:-no} = 'yes' ] ; then                             \
 939             $(call build_msg_fn, Stripping symbols from files) ;                \
 940             find $${d} -type f                                                  \
 941                 -exec                                                           \
 942                   $(TARGET_PREFIX)strip                                         \
 943                     --strip-unneeded '{}' ';'                                   \
 944                     >& /dev/null ;                                              \
 945         else                                                                    \
 946             $(call build_msg_fn, NOT stripping symbols) ;                       \
 947         fi
 948
 949 # readonly root squashfs image
 950 # Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
 951 .PHONY: ro-image
 952 $(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 953         @$(BUILD_ENV) ;                                                 \
 954         d=$(PLATFORM_IMAGE_DIR) ;                                       \
 955         mkdir -p $$d;                                                   \
 956         ro_image=$$d/ro.img ;                                           \
 957         rm -f $${ro_image} ;                                            \
 958         tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ;                     \
 959         chmod 0755 $${tmp_dir} ;                                        \
 960         cd $${tmp_dir} ;                                                \
 961         trap "rm -rf $${tmp_dir}" err ;                                 \
 962         fakeroot /bin/bash -c "{                                        \
 963           set -eu$(BUILD_DEBUG) ;                                       \
 964           $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
 965             $(patsubst %,%-image_install,                               \
 966               basic_system                                              \
 967               $(ROOT_PACKAGES)) ;                                       \
 968           : make dev directory ;                                        \
 969           $(linuxrc_makedev) ;                                          \
 970           echo @@@@ Relocating ELF executables to run in / @@@@ ;       \
 971           find $${d} -type f                                            \
 972               -exec elftool quiet in '{}' out '{}'                      \
 973                 set-interpreter                                         \
 974                     /$(arch_lib_dir)/$(DYNAMIC_LINKER)                  \
 975                 set-rpath /$(arch_lib_dir):/lib ';' ;                   \
 976           : strip symbols from files ;                                  \
 977           if [ '$${strip_symbols:-yes}' = 'yes' ] ; then                \
 978               echo @@@@ Stripping symbols from files @@@@ ;             \
 979               find $${tmp_dir} -type f                                  \
 980                 -exec                                                   \
 981                   $(TARGET_PREFIX)strip                                 \
 982                     --strip-unneeded '{}' ';'                           \
 983                     >& /dev/null ;                                      \
 984           else                                                          \
 985               echo @@@@ NOT stripping symbols @@@@ ;                    \
 986           fi ;                                                          \
 987           if [ $${sign_executables:-yes} = 'yes'                        \
 988                -a -n "$($(PLATFORM)_public_key)" ] ; then               \
 989               echo @@@@ Signing executables @@@@ ;                      \
 990               find $${tmp_dir} -type f                                  \
 991                 | xargs sign $($(PLATFORM)_public_key)                  \
 992                              $($(PLATFORM)_private_key_passphrase) ;    \
 993           fi ;                                                          \
 994           : make read-only file system ;                                \
 995           mksquashfs                                                    \
 996             $${tmp_dir} $${ro_image}                                    \
 997             -no-exports -no-progress -no-recovery ;                     \
 998         }" ;                                                            \
 999         : cleanup tmp directory ;                                       \
1000         rm -rf $${tmp_dir}
1001
1002 MKFS_JFFS2_BYTE_ORDER_x86_64 = -l
1003 MKFS_JFFS2_BYTE_ORDER_i686 = -l
1004 MKFS_JFFS2_BYTE_ORDER_ppc = -b
1005 MKFS_JFFS2_BYTE_ORDER_mips = -b
1006 MKFS_JFFS2_BYTE_ORDER_native = $(MKFS_JFFS2_BYTE_ORDER_$(NATIVE_ARCH))
1007
1008 MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES = \
1009   $(call ifdef_fn,$(PLATFORM)_jffs2_sector_size_in_kbytes,256)
1010
1011 mkfs_fn_jffs2 = mkfs.jffs2                              \
1012   --eraseblock=$(MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES)KiB   \
1013   --root=$(1) --output=$(2)                             \
1014   $(MKFS_JFFS2_BYTE_ORDER_$(BASIC_ARCH))
1015
1016 # As things stand the actual initrd size parameter
1017 # is set in .../open-repo/build-data/packages/linuxrc.mk.
1018 EXT2_RW_IMAGE_SIZE=notused
1019
1020 mkfs_fn_ext2 = \
1021   e2fsimage -d $(1) -f $(2) -s $(EXT2_RW_IMAGE_SIZE)
1022
1023 RW_IMAGE_TYPE=jffs2
1024
1025 make_rw_image_fn = \
1026   $(call mkfs_fn_$(RW_IMAGE_TYPE),$(1),$(2))
1027
1028 rw_image_embed_ro_image_fn =                                    \
1029   mkdir -p proc initrd images ro rw union ;                     \
1030   cp $(PLATFORM_IMAGE_DIR)/$(1) images/$(1) ;                   \
1031   md5sum images/$(1) > images/$(1).md5 ;                        \
1032   echo Built by $(LOGNAME) at `date` > images/$(1).stamp ;      \
1033   mkdir -p changes/$(1)
1034
1035 # make sure RW_IMAGE_TYPE is a type we know how to build
1036 .PHONY: rw-image-check-type
1037 rw-image-check-type:
1038         @$(BUILD_ENV) ;                                                         \
1039         if [ -z "$(make_rw_image_fn)" ] ; then                                  \
1040           $(call build_msg_fn,Unknown read/write fs image type;                 \
1041                               try RW_IMAGE_TYPE=ext2 or RW_IMAGE_TYPE=jffs2) ;  \
1042           exit 1;                                                               \
1043         fi
1044
1045 # read write image
1046 .PHONY: rw-image
1047 rw-image: rw-image-check-type ro-image
1048         @$(BUILD_ENV) ;                                         \
1049         d=$(PLATFORM_IMAGE_DIR) ;                               \
1050         mkdir -p $$d ;                                          \
1051         rw_image="$$d/rw.$(RW_IMAGE_TYPE)" ;                    \
1052         ro_image="ro.img" ;                                     \
1053         rm -f $$rw_image ;                                      \
1054         tmp_dir="`mktemp -d $$d/rw-image-XXXXXX`" ;             \
1055         chmod 0755 $${tmp_dir} ;                                \
1056         cd $${tmp_dir} ;                                        \
1057         trap "rm -rf $${tmp_dir}" err ;                         \
1058         fakeroot /bin/bash -c "{                                \
1059           set -eu$(BUILD_DEBUG) ;                               \
1060           $(linuxrc_makedev) ;                                  \
1061           $(call rw_image_embed_ro_image_fn,$${ro_image}) ;     \
1062           $(call make_rw_image_fn,$${tmp_dir},$${rw_image}) ;   \
1063         }" ;                                                    \
1064         : cleanup tmp directory ;                               \
1065         rm -rf $${tmp_dir}
1066
1067 images: linuxrc-install linux-install $(image_extra_dependencies) rw-image
1068         @$(BUILD_ENV) ;                                         \
1069         d=$(PLATFORM_IMAGE_DIR) ;                               \
1070         cd $(BUILD_DIR)/linux-$(PLATFORM) ;                     \
1071         i="" ;                                                  \
1072         [[ -z $$i && -f bzImage ]] && i=bzImage ;               \
1073         [[ -z $$i && -f zImage ]] && i=zImage ;                 \
1074         [[ -z $$i && -f linux ]] && i=linux ;                   \
1075         [[ -z $$i && -f vmlinux ]] && i=vmlinux ;               \
1076         [[ -z $$i ]]                                            \
1077           && $(call build_msg_fn,no linux image to install      \
1078                 in $(BUILD_DIR)/linux-$(PLATFORM))              \
1079           && exit 1 ;                                           \
1080         cp $$i $$d
1081
1082 ######################################################################
1083 # Tool chain build/install
1084 ######################################################################
1085
1086 .PHONY: ccache-install
1087 ccache-install:
1088         $(MAKE) -C $(MU_BUILD_ROOT_DIR) ccache-build
1089         mkdir -p $(TOOL_INSTALL_DIR)/ccache-bin
1090         ln -sf $(MU_BUILD_ROOT_DIR)/build-tool-native/ccache/ccache \
1091                 $(TOOL_INSTALL_DIR)/ccache-bin/$(TARGET_PREFIX)gcc
1092
1093 TOOL_MAKE = $(MAKE) is_build_tool=yes
1094
1095 tool_make_target_fn =                                                   \
1096   $(if $(strip $(NATIVE_TOOLS)),                                        \
1097     $(TOOL_MAKE) $(patsubst %,%-$(1),$(NATIVE_TOOLS)) ARCH=native || exit 1 ;) \
1098   $(TOOL_MAKE) $(patsubst %,%-$(1),$(CROSS_TOOLS))
1099
1100 .PHONY: install-tools
1101 install-tools:
1102         $(call tool_make_target_fn,install)
1103
1104 .PHONY: bootstrap-tools
1105 bootstrap-tools:
1106         $(TOOL_MAKE) make-install findutils-install git-install \
1107         automake-install autoconf-install libtool-install fakeroot-install
1108
1109
1110 ######################################################################
1111 # Clean
1112 ######################################################################
1113
1114 package_clean_script =                                                  \
1115   @$(call build_msg_fn, Cleaning $* in $(PACKAGE_INSTALL_DIR)) ;        \
1116   $(BUILD_ENV) ;                                                        \
1117   $(if $(is_build_tool),,rm -rf $(PACKAGE_INSTALL_DIR) ;)               \
1118   rm -rf $(TIMESTAMP_DIR)/$(call timestamp_name_fn,*) ;                 \
1119   $(if $($(PACKAGE)_clean),                                             \
1120     $($(PACKAGE)_clean),                                                \
1121     $(PACKAGE_MAKE) clean)
1122
1123 .PHONY: %-clean
1124 %-clean:
1125         $(package_clean_script)
1126
1127 # Wipe e.g. remove build and install directories for packages.
1128 package_wipe_script =                                                                                   \
1129   @message=$(if $(is_build_tool),"Wiping build $(PACKAGE)","Wiping build/install $(PACKAGE)") ;         \
1130   $(call build_msg_fn,$$message) ;                                                                      \
1131   $(BUILD_ENV) ;                                                                                        \
1132   rm -rf $(if $(is_build_tool),$(PACKAGE_BUILD_DIR),$(PACKAGE_INSTALL_DIR) $(PACKAGE_BUILD_DIR))
1133
1134 .PHONY: %-wipe
1135 %-wipe:
1136         $(package_wipe_script)
1137
1138 # Wipe entire build/install area for TAG and PLATFORM
1139 .PHONY: wipe-all
1140 wipe-all:
1141         @$(call build_msg_fn, Wiping $(BUILD_DIR) $(INSTALL_DIR)) ;     \
1142         $(BUILD_ENV) ;                                                  \
1143         rm -rf $(BUILD_DIR) $(INSTALL_DIR)
1144
1145 # Clean everything
1146 distclean:
1147         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_package)*/
1148         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_tool)*
1149         rm -rf $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)*
1150         rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
1151         rm -rf $(TOOL_INSTALL_DIR)
1152         rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
1153         rm -rf $(MU_BUILD_ROOT_DIR)/*.rpm
1154         rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
1155         rm -rf $(MU_BUILD_ROOT_DIR)/python
1156         if [ -e /usr/bin/dh ];then (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean); fi
1157         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
1158         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog