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 x86_64_libdir = $(BIARCH)
 169 native_libdir = $($(NATIVE_ARCH)_libdir)
 170
 171 # lib or lib64 depending
 172 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 173
 174 # OS to configure for.  configure --host will be set to $(ARCH)-$(OS)
 175 # Allow per-platform overrides
 176
 177 OS = $(strip $($(PLATFORM)_os))
 178 ifeq ($(OS),)
 179   OS = mu-linux
 180 endif
 181
 182 spu_target = spu
 183 native_target =
 184
 185 is_native = $(if $(ARCH:native=),,true)
 186 not_native = $(if $(ARCH:native=),true,)
 187
 188 ARCH_TARGET_tmp = $(call ifdef_fn,$(ARCH)_target,$(ARCH)-$(OS))
 189 TARGET = $(call ifdef_fn,$(PLATFORM)_target,$(ARCH_TARGET_tmp))
 190 TARGET_PREFIX = $(if $(not_native),$(TARGET)-,)
 191
 192 # CPU microarchitecture detection.
 193 # Either set <platform>_march in build-data/platforms/<platform>.mk,
 194 # or detect and use the build-host instruction set
 195
 196 MARCH = $(strip $($(PLATFORM)_march))
 197 ifeq ($(MARCH),)
 198   ifneq ($(wildcard $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc),)
 199     TARGET_GCC = $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc
 200   else ifneq ($(wildcard $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc),)
 201     TARGET_GCC = $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc
 202   endif
 203   ifneq ($(TARGET_GCC),)
 204     MARCH = $(shell $(TARGET_GCC) -Q --help=target -march=native | grep march | sed -e 's/.*march=[[:space:]]*//')
 205   else
 206     MARCH = native
 207   endif
 208 else
 209   ifeq ($(MARCH),nehalem)
 210     override MARCH = corei7
 211   else ifeq ($(MARCH),westmere)
 212     override MARCH = corei7
 213   else ifeq ($(MARCH),sandybridge)
 214     override MARCH = corei7-avx
 215   else ifeq ($(MARCH),ivybridge)
 216     override MARCH = core-avx-i
 217   else ifeq ($(MARCH),haswell)
 218     override MARCH = core-avx2
 219   endif
 220 endif
 221 export MARCH
 222
 223 ######################################################################
 224 # Generic build stuff
 225 ######################################################################
 226
 227 # The package we are currently working on
 228 PACKAGE = $*
 229
 230 # Build/install tags.  This lets you have different CFLAGS/CPPFLAGS/LDFLAGS
 231 # for e.g. debug versus optimized compiles.  Each tag has its own set of build/install
 232 # areas.
 233 TAG =
 234 TAG_PREFIX = $(if $(TAG),$(TAG)-)
 235
 236 # yes you need the space
 237 tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
 238
 239 # TAG=debug for debugging
 240 debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 241                    -fstack-protector-all -fPIC
 242 debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 243                    -fstack-protector-all -fPIC
 244
 245 BUILD_PREFIX_package = build-$(TAG_PREFIX)
 246 BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
 247 INSTALL_PREFIX = install-$(TAG_PREFIX)
 248 IMAGES_PREFIX = images-$(TAG_PREFIX)
 249
 250 # Whether we are building a tool or not
 251 tool_or_package_fn = $(if $(is_build_tool),tool,package)
 252
 253 # Directory where packages are built & installed
 254 BUILD_DIR = $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_$(call tool_or_package_fn))$(ARCH)
 255
 256 ## BURT
 257 # we will deprecate INSTALL_DIR shortly for DFLT_INSTALL_DIR
 258 INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
 259 # DFLT_INSTALL_DIR used in platforms.mk for $(PLATFORM)_DESTDIR_BASE
 260 DFLT_INSTALL_DIR := $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
 261 ## BURT
 262
 263 PLATFORM_IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)$(PLATFORM)
 264
 265 # $(call VAR,DEFAULT)
 266 override_var_with_default_fn = $(if $($(1)),$($(1)),$(2))
 267
 268 # $(call if_directory_exists_fn,D1,D2) returns D1 if it exists else D2
 269 define if_directory_exists_fn
 270 $(shell if test -d $(1); then echo $(1); else echo $(2); fi)
 271 endef
 272
 273 # $(call if_file_exists_fn,F1,F2) returns F1 if it exists else F2
 274 define if_file_exists_fn
 275 $(shell if test -f $(1); then echo $(1); else echo $(2); fi)
 276 endef
 277
 278 # Default VAR, package specified override of default PACKAGE_VAR
 279 package_var_fn = $(call override_var_with_default_fn,$(1)_$(2),$(1))
 280
 281 package_build_dir_fn = $(call package_var_fn,$(1),build_dir)
 282
 283 package_install_dir_fn = \
 284   $(if $(is_build_tool),$(TOOL_INSTALL_DIR),$(INSTALL_DIR)/$(call package_build_dir_fn,$(1)))
 285
 286 PACKAGE_BUILD_DIR = \
 287   $(BUILD_DIR)/$(call package_build_dir_fn,$(PACKAGE))
 288 PACKAGE_INSTALL_DIR = \
 289   $(call package_install_dir_fn,$(PACKAGE))
 290
 291 # Tools (gcc, binutils, glibc...) are installed here
 292 TOOL_INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/tools
 293
 294 # Target specific tools go here e.g. mu-build/tools/ppc-mu-linux
 295 TARGET_TOOL_INSTALL_DIR = $(TOOL_INSTALL_DIR)/$(TARGET)
 296
 297 # Set BUILD_DEBUG to vx or x enable shell command tracing.
 298 BUILD_DEBUG =
 299
 300 # Message from build system itself (as opposed to make or shell commands)
 301 build_msg_fn = echo "@@@@ $(1) @@@@"
 302
 303 # Allow CCACHE_DIR to be overridden, e.g. in .../build-root/build-config.mk
 304 ifeq ($(CCACHE_DIR),)
 305   CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache
 306 endif
 307
 308 # Always prefer our own tools to those installed on system.
 309 # Note: ccache-bin must be before tool bin.
 310 BUILD_ENV =                                                                             \
 311     export CCACHE_DIR=$(CCACHE_DIR) ;                                   \
 312     export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;       \
 313     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;                                   \
 314     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)  \
 315     export LD_LIBRARY_PATH=$(TOOL_INSTALL_DIR)/lib64:$(TOOL_INSTALL_DIR)/lib ;          \
 316     set -eu$(BUILD_DEBUG) ;                                                             \
 317     set -o pipefail
 318
 319 ######################################################################
 320 # Package build generic definitions
 321 ######################################################################
 322
 323 package_dir_fn = \
 324   $(call find_build_data_dir_for_package_fn,$(1))/packages
 325
 326 package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
 327
 328 ### BURT
 329
 330 #next version
 331 #pkgPhaseDependMacro = $(foreach x,configure build install,                  \
 332                         $(eval $(1)_$(x)_depend := $($(1)_depend:%=%-$(x))))
 333 #version equivalent to original code
 334 pkgPhaseDependMacro = $(eval $(1)_configure_depend := $($(1)_depend:%=%-install))
 335
 336 ### BURT
 337
 338 # Pick up built-root/pre-package-include.mk for all source directories
 339 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 340   $(eval -include $(d)/pre-package-include.mk))
 341
 342 $(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)),                 \
 343   $(eval -include $(d)/*.mk)                                            \
 344   $(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
 345 )
 346
 347 # Pick up built-root/post-package-include.mk for all source directories
 348 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 349   $(eval -include $(d)/post-package-include.mk))
 350
 351 # Linux specific native build tools
 352 NATIVE_TOOLS_LINUX =                            \
 353   e2fsimage                                     \
 354   e2fsprogs                                     \
 355   fakeroot                                      \
 356   jffs2                                         \
 357   mkimage                                       \
 358   zlib                                          \
 359   xz                                            \
 360   squashfs
 361
 362 IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
 363
 364 NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
 365
 366 # only build glibc for linux installs
 367 CROSS_TOOLS_$(IS_LINUX) += glibc gcc
 368
 369 # must be first for bootstrapping
 370 NATIVE_TOOLS = findutils make
 371
 372 # basic tools needed for build system
 373 NATIVE_TOOLS += git automake autoconf libtool texinfo bison flex tar
 374
 375 # needed to compile gcc
 376 NATIVE_TOOLS += mpfr gmp mpc
 377
 378 # Tool to sign binaries
 379 NATIVE_TOOLS += sign
 380
 381 # ccache
 382 NATIVE_TOOLS += ccache
 383
 384 # Tools needed on native host to build for platform
 385 NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
 386
 387 # Tools for cross-compiling from native -> ARCH
 388 CROSS_TOOLS = binutils gcc-bootstrap gdb
 389
 390 # Tools needed on native host to build for platform
 391 CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
 392
 393 NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
 394 CROSS_TOOLS += $(CROSS_TOOLS_yes)
 395
 396 timestamp_name_fn = .mu_build_$(1)_timestamp
 397 CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
 398 BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
 399 INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
 400
 401 TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
 402
 403 find_newer_files_fn =                                           \
 404   "`for i in $(2) ; do                                          \
 405       [[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0;     \
 406     done ;                                                      \
 407     exit 0;`"
 408
 409 find_filter = -not -name '*~'
 410 find_filter += -and -not -path '*/.git*'
 411 find_filter += -and -not -path '*/.svn*'
 412 find_filter += -and -not -path '*/.CVS*'
 413 find_filter += -and -not -path '*/manual/*'
 414 find_filter += -and -not -path '*/autom4te.cache/*'
 415 find_filter += -and -not -path '*/doc/all-cfg.texi'
 416 find_filter += -and -not -path '*/.mu_build_*'
 417
 418 find_newer_filtered_fn =                        \
 419   (! -f $(1)                                    \
 420     || -n $(call find_newer_files_fn,$(1),$(3)) \
 421     || -n "`find -H $(2)                        \
 422               -type f                           \
 423               -and -newer $(1)                  \
 424               -and \( $(4) \)                   \
 425               -print -quit`")
 426
 427 find_newer_fn =                                                 \
 428   $(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
 429
 430 ######################################################################
 431 # Package dependencies
 432 ######################################################################
 433
 434 # This must come before %-configure, %-build, %-install pattern rules
 435 # or else dependencies will not work.
 436
 437 package_dependencies_fn =                               \
 438   $(patsubst %-install, %,                              \
 439     $(filter %-install,$($(1)_configure_depend)))
 440
 441 PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
 442
 443 # package specific configure, build, install dependencies
 444 add_package_dependency_fn = \
 445   $(if $($(1)_$(2)_depend), \
 446        $(eval $(1)-$(2) : $($(1)_$(2)_depend)))
 447
 448 $(foreach p,$(ALL_PACKAGES), \
 449     $(call add_package_dependency_fn,$(p),configure) \
 450     $(call add_package_dependency_fn,$(p),build) \
 451     $(call add_package_dependency_fn,$(p),install))
 452
 453 TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
 454
 455 # carry over packages dependencies to image install, wipe, pull-all, push-all
 456 $(foreach p,$(ALL_PACKAGES),                                                    \
 457   $(if $($(p)_configure_depend),                                                \
 458     $(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES),                             \
 459       $(eval $(p)-$(s):                                                         \
 460              $(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
 461
 462 # recursively resolve dependencies
 463 resolve_dependencies2_fn = $(strip                                      \
 464   $(eval __added = $(filter-out $(4),                                   \
 465     $(call uniq_fn,                                                     \
 466       $(foreach l,$(3),                                                 \
 467        $(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1))))             \
 468       ))))                                                              \
 469   $(eval __known = $(call uniq_fn,$(4) $(3) $(__added)))                \
 470   $(if $(__added),                                                      \
 471     $(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)),   \
 472     $(__known))                                                         \
 473 )
 474
 475 resolve_dependencies_null_fn = $(1)
 476
 477 resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
 478
 479 ######################################################################
 480 # Package configure
 481 ######################################################################
 482
 483 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
 484 BIARCH = 64
 485
 486 x86_64_libdir = $(BIARCH)
 487 native_libdir = $($(NATIVE_ARCH)_libdir)
 488
 489 # lib or lib64 depending
 490 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 491
 492 # find dynamic linker as absolute path
 493 TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
 494 DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
 495
 496 # Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
 497 # Yes, this is a kludge.
 498 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
 499
 500 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
 501 # Allow per-platform overrides
 502 CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
 503 ifeq ($(CROSS_LDFLAGS),)
 504   CROSS_LDFLAGS =                                                                                       \
 505     -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)       \
 506     -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
 507 endif
 508
 509 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
 510
 511 # $(call installed_libs_fn,PACKAGE)
 512 # Return install library directory for given package.
 513 # Some packages (e.g. openssl) don't install under lib64; instead they use lib
 514 define installed_lib_fn
 515 $(call if_directory_exists_fn,
 516   $(call package_install_dir_fn,$(1))/$(arch_lib_dir),
 517   $(call package_install_dir_fn,$(1))/lib)
 518 endef
 519
 520 # Set -L and rpath to point to dependent libraries previously built by us.
 521 installed_libs_fn =                                     \
 522   $(foreach i,$(1),                                     \
 523     -L$(call installed_lib_fn,$(i))                     \
 524     -Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
 525
 526 # As above for include files
 527 installed_include_fn = $(call package_install_dir_fn,$(1))/include
 528
 529 installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
 530
 531 # By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
 532 # point at dependent install directories.
 533 DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
 534 DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
 535
 536 configure_var_fn = \
 537   $(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
 538 configure_ldflags_fn = \
 539   $(cross_ldflags)$(call configure_var_fn,LDFLAGS)
 540
 541 # Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
 542 CONFIGURE_ENV =                                                         \
 543     $(if $(call configure_var_fn,CPPFLAGS),                             \
 544          CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)")      \
 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 ### BURT
 554 # only partially used now (used in a few .mk files)
 555 ifeq ($(is_build_tool),yes)
 556 prefix     = $(PACKAGE_INSTALL_DIR)
 557 libdir     = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
 558 libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
 559 DESTDIR     = /
 560 else
 561 # Eventually simplify this with no per package DESTDIR or prefix
 562 ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
 563 pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
 564 prefixMacro     = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
 565 prefix = $(call prefixMacro,$(PACKAGE))
 566 libdir     = $($(PLATFORM)_LIBDIR)
 567 libexecdir = $($(PLATFORM)_LIBEXECDIR)
 568 destdirMacro  = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
 569 DESTDIR  = $(call destdirMacro,$(PACKAGE))
 570 endif
 571 ### BURT
 572 ### dbarach
 573 image_extra_dependencies = $($(PLATFORM)_image_extra_dependencies)
 574 ### dbarach
 575
 576 configure_package_gnu =                                         \
 577   s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                  \
 578   if [ ! -f $$s/configure ] ; then                              \
 579     autoreconf -i -f $$s ;                                      \
 580   fi ;                                                          \
 581   cd $(PACKAGE_BUILD_DIR) ;                                     \
 582   env $(CONFIGURE_ENV)                                          \
 583     $$s/configure                                               \
 584       $(if $($(PACKAGE)_configure_host_and_target),             \
 585            $($(PACKAGE)_configure_host_and_target),             \
 586            $(if $(not_native),--host=$(TARGET),))               \
 587       $(if $($(PACKAGE)_configure_prefix),                      \
 588            $($(PACKAGE)_configure_prefix),                      \
 589            --libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)      \
 590            --prefix=$(PACKAGE_INSTALL_DIR))                     \
 591       $($(PACKAGE)_configure_args)                              \
 592       $($(PACKAGE)_configure_args_$(PLATFORM))
 593
 594 configure_package =                                                     \
 595   $(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
 596   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 597   $(if $($(PACKAGE)_configure),                                         \
 598        $($(PACKAGE)_configure),                                         \
 599        $(configure_package_gnu))
 600
 601 # Tools (e.g. gcc, binutils, gdb) required a platform to build for
 602 check_platform =                                                                \
 603   is_tool="$(is_build_tool)" ;                                                  \
 604   is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ;                  \
 605   is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ;                        \
 606   if [ "$${is_tool}" == "yes"                                                   \
 607        -a "$${is_cross_package}" != ""                                          \
 608        -a "$${is_arch_native}" != "" ]; then                                    \
 609     $(call build_msg_fn,You must specify PLATFORM for building tools) ;         \
 610     exit 1 ;                                                                    \
 611   fi ;                                                                          \
 612   : check that platform gcc can be found ;                                      \
 613   target_gcc=gcc ;                                                              \
 614   if [ "$${is_arch_native}" != "yes" ] ; then                                   \
 615     target_gcc=$(TARGET)-gcc ;                                                  \
 616   fi ;                                                                          \
 617   if [ "$${is_tool}" != "yes"                                                   \
 618        -a "$${is_arch_native}" != "yes"                                         \
 619        -a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then                   \
 620     $(call build_msg_fn,                                                        \
 621            No cross-compiler found for platform $(PLATFORM) target $(TARGET);   \
 622              try make PLATFORM=$(PLATFORM) install-tools) ;                     \
 623     exit 1 ;                                                                    \
 624   fi
 625
 626 configure_check_timestamp =                                             \
 627   @$(BUILD_ENV) ;                                                       \
 628   $(check_platform) ;                                                   \
 629   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 630   mkdir -p $(PACKAGE_INSTALL_DIR) ;                                     \
 631   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                      \
 632   dirs="$(call package_mk_fn,$(PACKAGE))                                \
 633         $(wildcard $(call find_source_fn,$(PACKAGE_SOURCE))/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 linux_n_cpus = `grep '^processor' /proc/cpuinfo | wc -l`
 651
 652 MAKE_PARALLEL_JOBS =                            \
 653   -j $(shell                                    \
 654     if [ -f /proc/cpuinfo ] ; then              \
 655       expr 2 '*' $(linux_n_cpus) ;              \
 656     else                                        \
 657       echo 1 ;                                  \
 658     fi)
 659
 660 MAKE_PARALLEL_FLAGS = $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
 661
 662 # Make command shorthand for packages & tools.
 663 PACKAGE_MAKE =                                  \
 664   $(MAKE)                                       \
 665     -C $(PACKAGE_BUILD_DIR)                     \
 666     $($(PACKAGE)_make_args)                     \
 667     $(MAKE_PARALLEL_FLAGS)
 668
 669 build_package =                                                 \
 670   $(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ;    \
 671   mkdir -p $(PACKAGE_BUILD_DIR) ;                               \
 672   cd $(PACKAGE_BUILD_DIR) ;                                     \
 673   $(if $($(PACKAGE)_build),                                     \
 674        $($(PACKAGE)_build),                                     \
 675        $(PACKAGE_MAKE))
 676
 677 build_check_timestamp =                                                                 \
 678   @$(BUILD_ENV) ;                                                                       \
 679   comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ;                                          \
 680   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                                      \
 681   dirs="$(call find_source_fn,$(PACKAGE_SOURCE))                                        \
 682         $($(PACKAGE)_build_timestamp_depends)                                           \
 683         $(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
 684   if [[ $${conf} -nt $${comp}                                                           \
 685         || $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then                       \
 686     $(build_package) ;                                                                  \
 687     touch $${comp} ;                                                                    \
 688   else                                                                                  \
 689     $(call build_msg_fn,Building $(PACKAGE): nothing to do) ;                           \
 690   fi
 691
 692 .PHONY: %-build
 693 %-build: %-configure
 694         $(build_check_timestamp)
 695
 696 .PHONY: %-rebuild
 697 %-rebuild: %-wipe %-build
 698         @ :
 699
 700 ######################################################################
 701 # Package install
 702 ######################################################################
 703
 704 install_package =                                                               \
 705     : by default, for non-tools, remove any previously installed bits ;         \
 706     $(if $(is_build_tool)$($(PACKAGE)_keep_instdir),                            \
 707          true,                                                                  \
 708          rm -rf $(PACKAGE_INSTALL_DIR));                                        \
 709     mkdir -p $(PACKAGE_INSTALL_DIR) ;                                           \
 710     $(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true);             \
 711     $(if $($(PACKAGE)_install),                                                 \
 712          $($(PACKAGE)_install),                                                 \
 713          $(PACKAGE_MAKE)                                                        \
 714             $($(PACKAGE)_install_args)                                          \
 715             install) ;                                                          \
 716     $(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
 717
 718 install_check_timestamp =                                       \
 719   @$(BUILD_ENV) ;                                               \
 720   inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ;                  \
 721   dirs="$(PACKAGE_BUILD_DIR)                                    \
 722         $($(PACKAGE)_install_dependencies)" ;                   \
 723   if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then  \
 724     $(call build_msg_fn,Installing $(PACKAGE)) ;                \
 725     $(install_package) ;                                        \
 726     touch $${inst} ;                                            \
 727   else                                                          \
 728     $(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
 729   fi
 730
 731 .PHONY: %-install
 732 %-install: %-build
 733         $(install_check_timestamp)
 734
 735 ######################################################################
 736 # Source code managment
 737 ######################################################################
 738
 739 GIT = git
 740
 741 # Maps package name to source directory root.
 742 # Multiple packages may use a single source tree.
 743 # For example, gcc-bootstrap package shares gcc source.
 744 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
 745
 746 # Use git to download source if directory is not found
 747 find_source_for_package =                                                                       \
 748   @$(BUILD_ENV) ;                                                                               \
 749   $(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ;                             \
 750   $(call build_msg_fn,Finding source for $(PACKAGE)) ;                                          \
 751   s="$(call find_source_fn,$(PACKAGE_SOURCE))" ;                                                \
 752   [[ -z "$${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         find $${d} -type f                                                      \
 940             -exec elftool quiet in '{}' out '{}'                                \
 941                 set-interpreter                                                 \
 942                     $${d}/$(arch_lib_dir)/$(DYNAMIC_LINKER)                     \
 943                 set-rpath $${d}/$(arch_lib_dir):$${d}/lib ';' ;                 \
 944         : strip symbols from files ;                                            \
 945         if [ $${strip_symbols:-no} = 'yes' ] ; then                             \
 946             $(call build_msg_fn, Stripping symbols from files) ;                \
 947             find $${d} -type f                                                  \
 948                 -exec                                                           \
 949                   $(TARGET_PREFIX)strip                                         \
 950                     --strip-unneeded '{}' ';'                                   \
 951                     >& /dev/null ;                                              \
 952         else                                                                    \
 953             $(call build_msg_fn, NOT stripping symbols) ;                       \
 954         fi
 955
 956 # readonly root squashfs image
 957 # Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
 958 .PHONY: ro-image
 959 $(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 960         @$(BUILD_ENV) ;                                                 \
 961         d=$(PLATFORM_IMAGE_DIR) ;                                       \
 962         mkdir -p $$d;                                                   \
 963         ro_image=$$d/ro.img ;                                           \
 964         rm -f $${ro_image} ;                                            \
 965         tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ;                     \
 966         chmod 0755 $${tmp_dir} ;                                        \
 967         cd $${tmp_dir} ;                                                \
 968         trap "rm -rf $${tmp_dir}" err ;                                 \
 969         fakeroot /bin/bash -c "{                                        \
 970           set -eu$(BUILD_DEBUG) ;                                       \
 971           $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
 972             $(patsubst %,%-image_install,                               \
 973               basic_system                                              \
 974               $(ROOT_PACKAGES)) ;                                       \
 975           : make dev directory ;                                        \
 976           $(linuxrc_makedev) ;                                          \
 977           echo @@@@ Relocating ELF executables to run in / @@@@ ;       \
 978           find $${d} -type f                                            \
 979               -exec elftool quiet in '{}' out '{}'                      \
 980                 set-interpreter                                         \
 981                     /$(arch_lib_dir)/$(DYNAMIC_LINKER)                  \
 982                 set-rpath /$(arch_lib_dir):/lib ';' ;                   \
 983           : strip symbols from files ;                                  \
 984           if [ '$${strip_symbols:-yes}' = 'yes' ] ; then                \
 985               echo @@@@ Stripping symbols from files @@@@ ;             \
 986               find $${tmp_dir} -type f                                  \
 987                 -exec                                                   \
 988                   $(TARGET_PREFIX)strip                                 \
 989                     --strip-unneeded '{}' ';'                           \
 990                     >& /dev/null ;                                      \
 991           else                                                          \
 992               echo @@@@ NOT stripping symbols @@@@ ;                    \
 993           fi ;                                                          \
 994           if [ $${sign_executables:-yes} = 'yes'                        \
 995                -a -n "$($(PLATFORM)_public_key)" ] ; then               \
 996               echo @@@@ Signing executables @@@@ ;                      \
 997               find $${tmp_dir} -type f                                  \
 998                 | xargs sign $($(PLATFORM)_public_key)                  \
 999                              $($(PLATFORM)_private_key_passphrase) ;    \
1000           fi ;                                                          \
1001           : make read-only file system ;                                \
1002           mksquashfs                                                    \
1003             $${tmp_dir} $${ro_image}                                    \
1004             -no-exports -no-progress -no-recovery ;                     \
1005         }" ;                                                            \
1006         : cleanup tmp directory ;                                       \
1007         rm -rf $${tmp_dir}
1008
1009 MKFS_JFFS2_BYTE_ORDER_x86_64 = -l
1010 MKFS_JFFS2_BYTE_ORDER_i686 = -l
1011 MKFS_JFFS2_BYTE_ORDER_ppc = -b
1012 MKFS_JFFS2_BYTE_ORDER_mips = -b
1013 MKFS_JFFS2_BYTE_ORDER_native = $(MKFS_JFFS2_BYTE_ORDER_$(NATIVE_ARCH))
1014
1015 MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES = \
1016   $(call ifdef_fn,$(PLATFORM)_jffs2_sector_size_in_kbytes,256)
1017
1018 mkfs_fn_jffs2 = mkfs.jffs2                              \
1019   --eraseblock=$(MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES)KiB   \
1020   --root=$(1) --output=$(2)                             \
1021   $(MKFS_JFFS2_BYTE_ORDER_$(BASIC_ARCH))
1022
1023 # As things stand the actual initrd size parameter
1024 # is set in .../open-repo/build-data/packages/linuxrc.mk.
1025 EXT2_RW_IMAGE_SIZE=notused
1026
1027 mkfs_fn_ext2 = \
1028   e2fsimage -d $(1) -f $(2) -s $(EXT2_RW_IMAGE_SIZE)
1029
1030 RW_IMAGE_TYPE=jffs2
1031
1032 make_rw_image_fn = \
1033   $(call mkfs_fn_$(RW_IMAGE_TYPE),$(1),$(2))
1034
1035 rw_image_embed_ro_image_fn =                                    \
1036   mkdir -p proc initrd images ro rw union ;                     \
1037   cp $(PLATFORM_IMAGE_DIR)/$(1) images/$(1) ;                   \
1038   md5sum images/$(1) > images/$(1).md5 ;                        \
1039   echo Built by $(LOGNAME) at `date` > images/$(1).stamp ;      \
1040   mkdir -p changes/$(1)
1041
1042 # make sure RW_IMAGE_TYPE is a type we know how to build
1043 .PHONY: rw-image-check-type
1044 rw-image-check-type:
1045         @$(BUILD_ENV) ;                                                         \
1046         if [ -z "$(make_rw_image_fn)" ] ; then                                  \
1047           $(call build_msg_fn,Unknown read/write fs image type;                 \
1048                               try RW_IMAGE_TYPE=ext2 or RW_IMAGE_TYPE=jffs2) ;  \
1049           exit 1;                                                               \
1050         fi
1051
1052 # read write image
1053 .PHONY: rw-image
1054 rw-image: rw-image-check-type ro-image
1055         @$(BUILD_ENV) ;                                         \
1056         d=$(PLATFORM_IMAGE_DIR) ;                               \
1057         mkdir -p $$d ;                                          \
1058         rw_image="$$d/rw.$(RW_IMAGE_TYPE)" ;                    \
1059         ro_image="ro.img" ;                                     \
1060         rm -f $$rw_image ;                                      \
1061         tmp_dir="`mktemp -d $$d/rw-image-XXXXXX`" ;             \
1062         chmod 0755 $${tmp_dir} ;                                \
1063         cd $${tmp_dir} ;                                        \
1064         trap "rm -rf $${tmp_dir}" err ;                         \
1065         fakeroot /bin/bash -c "{                                \
1066           set -eu$(BUILD_DEBUG) ;                               \
1067           $(linuxrc_makedev) ;                                  \
1068           $(call rw_image_embed_ro_image_fn,$${ro_image}) ;     \
1069           $(call make_rw_image_fn,$${tmp_dir},$${rw_image}) ;   \
1070         }" ;                                                    \
1071         : cleanup tmp directory ;                               \
1072         rm -rf $${tmp_dir}
1073
1074 images: linuxrc-install linux-install $(image_extra_dependencies) rw-image
1075         @$(BUILD_ENV) ;                                         \
1076         d=$(PLATFORM_IMAGE_DIR) ;                               \
1077         cd $(BUILD_DIR)/linux-$(PLATFORM) ;                     \
1078         i="" ;                                                  \
1079         [[ -z $$i && -f bzImage ]] && i=bzImage ;               \
1080         [[ -z $$i && -f zImage ]] && i=zImage ;                 \
1081         [[ -z $$i && -f linux ]] && i=linux ;                   \
1082         [[ -z $$i && -f vmlinux ]] && i=vmlinux ;               \
1083         [[ -z $$i ]]                                            \
1084           && $(call build_msg_fn,no linux image to install      \
1085                 in $(BUILD_DIR)/linux-$(PLATFORM))              \
1086           && exit 1 ;                                           \
1087         cp $$i $$d
1088
1089 ######################################################################
1090 # Tool chain build/install
1091 ######################################################################
1092
1093 .PHONY: ccache-install
1094 ccache-install:
1095         $(MAKE) -C $(MU_BUILD_ROOT_DIR) ccache-build
1096         mkdir -p $(TOOL_INSTALL_DIR)/ccache-bin
1097         ln -sf $(MU_BUILD_ROOT_DIR)/build-tool-native/ccache/ccache \
1098                 $(TOOL_INSTALL_DIR)/ccache-bin/$(TARGET_PREFIX)gcc
1099
1100 TOOL_MAKE = $(MAKE) is_build_tool=yes
1101
1102 tool_make_target_fn =                                                   \
1103   $(if $(strip $(NATIVE_TOOLS)),                                        \
1104     $(TOOL_MAKE) $(patsubst %,%-$(1),$(NATIVE_TOOLS)) ARCH=native || exit 1 ;) \
1105   $(TOOL_MAKE) $(patsubst %,%-$(1),$(CROSS_TOOLS))
1106
1107 .PHONY: install-tools
1108 install-tools:
1109         $(call tool_make_target_fn,install)
1110
1111 .PHONY: bootstrap-tools
1112 bootstrap-tools:
1113         $(TOOL_MAKE) make-install findutils-install git-install \
1114         automake-install autoconf-install libtool-install fakeroot-install
1115
1116
1117 ######################################################################
1118 # Clean
1119 ######################################################################
1120
1121 package_clean_script =                                                  \
1122   @$(call build_msg_fn, Cleaning $* in $(PACKAGE_INSTALL_DIR)) ;        \
1123   $(BUILD_ENV) ;                                                        \
1124   $(if $(is_build_tool),,rm -rf $(PACKAGE_INSTALL_DIR) ;)               \
1125   rm -rf $(TIMESTAMP_DIR)/$(call timestamp_name_fn,*) ;                 \
1126   $(if $($(PACKAGE)_clean),                                             \
1127     $($(PACKAGE)_clean),                                                \
1128     $(PACKAGE_MAKE) clean)
1129
1130 .PHONY: %-clean
1131 %-clean:
1132         $(package_clean_script)
1133
1134 # Wipe e.g. remove build and install directories for packages.
1135 package_wipe_script =                                                                                   \
1136   @message=$(if $(is_build_tool),"Wiping build $(PACKAGE)","Wiping build/install $(PACKAGE)") ;         \
1137   $(call build_msg_fn,$$message) ;                                                                      \
1138   $(BUILD_ENV) ;                                                                                        \
1139   rm -rf $(if $(is_build_tool),$(PACKAGE_BUILD_DIR),$(PACKAGE_INSTALL_DIR) $(PACKAGE_BUILD_DIR))
1140
1141 .PHONY: %-wipe
1142 %-wipe:
1143         $(package_wipe_script)
1144
1145 # Wipe entire build/install area for TAG and PLATFORM
1146 .PHONY: wipe-all
1147 wipe-all:
1148         @$(call build_msg_fn, Wiping $(BUILD_DIR) $(INSTALL_DIR)) ;     \
1149         $(BUILD_ENV) ;                                                  \
1150         rm -rf $(BUILD_DIR) $(INSTALL_DIR)
1151
1152 # Clean everything
1153 distclean:
1154         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_package)*/
1155         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_tool)*
1156         rm -rf $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)*
1157         rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
1158         rm -rf $(TOOL_INSTALL_DIR)
1159         rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
1160         rm -rf $(MU_BUILD_ROOT_DIR)/*.rpm
1161         rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
1162         if [ -e /usr/bin/dh ];then (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean); fi
1163         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
1164         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.dkms
1165         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog