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 MTUNE = $(strip $($(PLATFORM)_mtune))
 224 ifeq ($(MTUNE),)
 225   MTUNE = generic
 226 endif
 227
 228 ######################################################################
 229 # Generic build stuff
 230 ######################################################################
 231
 232 # The package we are currently working on
 233 PACKAGE = $*
 234
 235 # Build/install tags.  This lets you have different CFLAGS/CPPFLAGS/LDFLAGS
 236 # for e.g. debug versus optimized compiles.  Each tag has its own set of build/install
 237 # areas.
 238 TAG =
 239 TAG_PREFIX = $(if $(TAG),$(TAG)-)
 240
 241 # yes you need the space
 242 tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
 243
 244 # TAG=debug for debugging
 245 debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 246                    -fstack-protector-all -fPIC
 247 debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
 248                    -fstack-protector-all -fPIC
 249
 250 BUILD_PREFIX_package = build-$(TAG_PREFIX)
 251 BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
 252 INSTALL_PREFIX = install-$(TAG_PREFIX)
 253 IMAGES_PREFIX = images-$(TAG_PREFIX)
 254
 255 # Whether we are building a tool or not
 256 tool_or_package_fn = $(if $(is_build_tool),tool,package)
 257
 258 # Directory where packages are built & installed
 259 BUILD_DIR = $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_$(call tool_or_package_fn))$(ARCH)
 260
 261 ## BURT
 262 # we will deprecate INSTALL_DIR shortly for DFLT_INSTALL_DIR
 263 INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
 264 # DFLT_INSTALL_DIR used in platforms.mk for $(PLATFORM)_DESTDIR_BASE
 265 DFLT_INSTALL_DIR := $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
 266 ## BURT
 267
 268 PLATFORM_IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)$(PLATFORM)
 269
 270 # $(call VAR,DEFAULT)
 271 override_var_with_default_fn = $(if $($(1)),$($(1)),$(2))
 272
 273 # $(call if_directory_exists_fn,D1,D2) returns D1 if it exists else D2
 274 define if_directory_exists_fn
 275 $(shell if test -d $(1); then echo $(1); else echo $(2); fi)
 276 endef
 277
 278 # $(call if_file_exists_fn,F1,F2) returns F1 if it exists else F2
 279 define if_file_exists_fn
 280 $(shell if test -f $(1); then echo $(1); else echo $(2); fi)
 281 endef
 282
 283 # Default VAR, package specified override of default PACKAGE_VAR
 284 package_var_fn = $(call override_var_with_default_fn,$(1)_$(2),$(1))
 285
 286 package_build_dir_fn = $(call package_var_fn,$(1),build_dir)
 287
 288 package_install_dir_fn = \
 289   $(if $(is_build_tool),$(TOOL_INSTALL_DIR),$(INSTALL_DIR)/$(call package_build_dir_fn,$(1)))
 290
 291 PACKAGE_BUILD_DIR = \
 292   $(BUILD_DIR)/$(call package_build_dir_fn,$(PACKAGE))
 293 PACKAGE_INSTALL_DIR = \
 294   $(call package_install_dir_fn,$(PACKAGE))
 295
 296 # Tools (gcc, binutils, glibc...) are installed here
 297 TOOL_INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/tools
 298
 299 # Target specific tools go here e.g. mu-build/tools/ppc-mu-linux
 300 TARGET_TOOL_INSTALL_DIR = $(TOOL_INSTALL_DIR)/$(TARGET)
 301
 302 # Set BUILD_DEBUG to vx or x enable shell command tracing.
 303 BUILD_DEBUG =
 304
 305 # Message from build system itself (as opposed to make or shell commands)
 306 build_msg_fn = echo "@@@@ $(1) @@@@"
 307
 308 # Allow CCACHE_DIR to be overridden, e.g. in .../build-root/build-config.mk
 309 ifeq ($(CCACHE_DIR),)
 310   CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache
 311 endif
 312
 313 # Always prefer our own tools to those installed on system.
 314 # Note: ccache-bin must be before tool bin.
 315 BUILD_ENV =                                                                             \
 316     export CCACHE_DIR=$(CCACHE_DIR) ;                                   \
 317     export PATH=$(TOOL_INSTALL_DIR)/ccache-bin:$(TOOL_INSTALL_DIR)/bin:$${PATH} ;       \
 318     export PATH="`echo $${PATH} | sed -e s/[.]://`" ;                                   \
 319     $(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,)  \
 320     export LD_LIBRARY_PATH=$(TOOL_INSTALL_DIR)/lib64:$(TOOL_INSTALL_DIR)/lib ;          \
 321     set -eu$(BUILD_DEBUG) ;                                                             \
 322     set -o pipefail
 323
 324 ######################################################################
 325 # Package build generic definitions
 326 ######################################################################
 327
 328 package_dir_fn = \
 329   $(call find_build_data_dir_for_package_fn,$(1))/packages
 330
 331 package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
 332
 333 ### BURT
 334
 335 #next version
 336 #pkgPhaseDependMacro = $(foreach x,configure build install,                  \
 337                         $(eval $(1)_$(x)_depend := $($(1)_depend:%=%-$(x))))
 338 #version equivalent to original code
 339 pkgPhaseDependMacro = $(eval $(1)_configure_depend := $($(1)_depend:%=%-install))
 340
 341 ### BURT
 342
 343 # Pick up built-root/pre-package-include.mk for all source directories
 344 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 345   $(eval -include $(d)/pre-package-include.mk))
 346
 347 $(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)),                 \
 348   $(eval -include $(d)/*.mk)                                            \
 349   $(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
 350 )
 351
 352 # Pick up built-root/post-package-include.mk for all source directories
 353 $(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS),     \
 354   $(eval -include $(d)/post-package-include.mk))
 355
 356 # Linux specific native build tools
 357 NATIVE_TOOLS_LINUX =                            \
 358   e2fsimage                                     \
 359   e2fsprogs                                     \
 360   fakeroot                                      \
 361   jffs2                                         \
 362   mkimage                                       \
 363   zlib                                          \
 364   xz                                            \
 365   squashfs
 366
 367 IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
 368
 369 NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
 370
 371 # only build glibc for linux installs
 372 CROSS_TOOLS_$(IS_LINUX) += glibc gcc
 373
 374 # must be first for bootstrapping
 375 NATIVE_TOOLS = findutils make
 376
 377 # basic tools needed for build system
 378 NATIVE_TOOLS += git automake autoconf libtool texinfo bison flex tar
 379
 380 # needed to compile gcc
 381 NATIVE_TOOLS += mpfr gmp mpc
 382
 383 # Tool to sign binaries
 384 NATIVE_TOOLS += sign
 385
 386 # ccache
 387 NATIVE_TOOLS += ccache
 388
 389 # Tools needed on native host to build for platform
 390 NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
 391
 392 # Tools for cross-compiling from native -> ARCH
 393 CROSS_TOOLS = binutils gcc-bootstrap gdb
 394
 395 # Tools needed on native host to build for platform
 396 CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
 397
 398 NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
 399 CROSS_TOOLS += $(CROSS_TOOLS_yes)
 400
 401 timestamp_name_fn = .mu_build_$(1)_timestamp
 402 CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
 403 BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
 404 INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
 405
 406 TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
 407
 408 find_newer_files_fn =                                           \
 409   "`for i in $(2) ; do                                          \
 410       [[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0;     \
 411     done ;                                                      \
 412     exit 0;`"
 413
 414 find_filter = -not -name '*~'
 415 find_filter += -and -not -path '*/.git*'
 416 find_filter += -and -not -path '*/.svn*'
 417 find_filter += -and -not -path '*/.CVS*'
 418 find_filter += -and -not -path '*/manual/*'
 419 find_filter += -and -not -path '*/autom4te.cache/*'
 420 find_filter += -and -not -path '*/doc/all-cfg.texi'
 421 find_filter += -and -not -path '*/.mu_build_*'
 422
 423 find_newer_filtered_fn =                        \
 424   (! -f $(1)                                    \
 425     || -n $(call find_newer_files_fn,$(1),$(3)) \
 426     || -n "`find -H $(2)                        \
 427               -type f                           \
 428               -and -newer $(1)                  \
 429               -and \( $(4) \)                   \
 430               -print -quit`")
 431
 432 find_newer_fn =                                                 \
 433   $(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
 434
 435 ######################################################################
 436 # Package dependencies
 437 ######################################################################
 438
 439 # This must come before %-configure, %-build, %-install pattern rules
 440 # or else dependencies will not work.
 441
 442 package_dependencies_fn =                               \
 443   $(patsubst %-install, %,                              \
 444     $(filter %-install,$($(1)_configure_depend)))
 445
 446 PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
 447
 448 # package specific configure, build, install dependencies
 449 add_package_dependency_fn = \
 450   $(if $($(1)_$(2)_depend), \
 451        $(eval $(1)-$(2) : $($(1)_$(2)_depend)))
 452
 453 $(foreach p,$(ALL_PACKAGES), \
 454     $(call add_package_dependency_fn,$(p),configure) \
 455     $(call add_package_dependency_fn,$(p),build) \
 456     $(call add_package_dependency_fn,$(p),install))
 457
 458 TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
 459
 460 # carry over packages dependencies to image install, wipe, pull-all, push-all
 461 $(foreach p,$(ALL_PACKAGES),                                                    \
 462   $(if $($(p)_configure_depend),                                                \
 463     $(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES),                             \
 464       $(eval $(p)-$(s):                                                         \
 465              $(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
 466
 467 # recursively resolve dependencies
 468 resolve_dependencies2_fn = $(strip                                      \
 469   $(eval __added = $(filter-out $(4),                                   \
 470     $(call uniq_fn,                                                     \
 471       $(foreach l,$(3),                                                 \
 472        $(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1))))             \
 473       ))))                                                              \
 474   $(eval __known = $(call uniq_fn,$(4) $(3) $(__added)))                \
 475   $(if $(__added),                                                      \
 476     $(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)),   \
 477     $(__known))                                                         \
 478 )
 479
 480 resolve_dependencies_null_fn = $(1)
 481
 482 resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
 483
 484 ######################################################################
 485 # Package configure
 486 ######################################################################
 487
 488 # x86_64 can be either 32/64.  set BIACH=32 to get 32 bit libraries.
 489 BIARCH = 64
 490
 491 x86_64_libdir = $(BIARCH)
 492 native_libdir = $($(NATIVE_ARCH)_libdir)
 493
 494 # lib or lib64 depending
 495 arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
 496
 497 # find dynamic linker as absolute path
 498 TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
 499 DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
 500
 501 # Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
 502 # Yes, this is a kludge.
 503 lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
 504
 505 # When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
 506 # Allow per-platform overrides
 507 CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
 508 ifeq ($(CROSS_LDFLAGS),)
 509   CROSS_LDFLAGS =                                                                                       \
 510     -Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER)       \
 511     -Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
 512 endif
 513
 514 cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
 515
 516 # $(call installed_libs_fn,PACKAGE)
 517 # Return install library directory for given package.
 518 # Some packages (e.g. openssl) don't install under lib64; instead they use lib
 519 define installed_lib_fn
 520 $(call if_directory_exists_fn,
 521   $(call package_install_dir_fn,$(1))/$(arch_lib_dir),
 522   $(call package_install_dir_fn,$(1))/lib)
 523 endef
 524
 525 # Set -L and rpath to point to dependent libraries previously built by us.
 526 installed_libs_fn =                                     \
 527   $(foreach i,$(1),                                     \
 528     -L$(call installed_lib_fn,$(i))                     \
 529     -Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
 530
 531 # As above for include files
 532 installed_include_fn = $(call package_install_dir_fn,$(1))/include
 533
 534 installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
 535
 536 # By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
 537 # point at dependent install directories.
 538 DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
 539 DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
 540
 541 configure_var_fn = \
 542   $(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
 543 configure_ldflags_fn = \
 544   $(cross_ldflags)$(call configure_var_fn,LDFLAGS)
 545
 546 # Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
 547 CONFIGURE_ENV =                                                         \
 548     $(if $(call configure_var_fn,CPPFLAGS),                             \
 549          CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)")      \
 550     $(if $(call configure_var_fn,CFLAGS),                               \
 551          CFLAGS="$(CFLAGS) $(call configure_var_fn,CFLAGS)")            \
 552     $(if $(call configure_var_fn,CCASFLAGS),                            \
 553          CCASFLAGS="$(CCASFLAGS) $(call configure_var_fn,CCASFLAGS)")   \
 554     $(if $(call configure_ldflags_fn),                                  \
 555          LDFLAGS="$(LDFLAGS) $(call configure_ldflags_fn)")             \
 556     $(if $($(PACKAGE)_configure_env),$($(PACKAGE)_configure_env))
 557
 558 ### BURT
 559 # only partially used now (used in a few .mk files)
 560 ifeq ($(is_build_tool),yes)
 561 prefix     = $(PACKAGE_INSTALL_DIR)
 562 libdir     = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
 563 libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
 564 DESTDIR     = /
 565 else
 566 # Eventually simplify this with no per package DESTDIR or prefix
 567 ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
 568 pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
 569 prefixMacro     = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
 570 prefix = $(call prefixMacro,$(PACKAGE))
 571 libdir     = $($(PLATFORM)_LIBDIR)
 572 libexecdir = $($(PLATFORM)_LIBEXECDIR)
 573 destdirMacro  = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
 574 DESTDIR  = $(call destdirMacro,$(PACKAGE))
 575 endif
 576 ### BURT
 577 ### dbarach
 578 image_extra_dependencies = $($(PLATFORM)_image_extra_dependencies)
 579 ### dbarach
 580
 581 configure_package_gnu =                                         \
 582   s=$(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR) ; \
 583   if [ ! -f $$s/configure ] ; then                              \
 584     autoreconf -i -f $$s ;                                      \
 585   fi ;                                                          \
 586   cd $(PACKAGE_BUILD_DIR) ;                                     \
 587   env $(CONFIGURE_ENV)                                          \
 588     $$s/configure                                               \
 589       $(if $($(PACKAGE)_configure_host_and_target),             \
 590            $($(PACKAGE)_configure_host_and_target),             \
 591            $(if $(not_native),--host=$(TARGET),))               \
 592       $(if $($(PACKAGE)_configure_prefix),                      \
 593            $($(PACKAGE)_configure_prefix),                      \
 594            --libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)      \
 595            --prefix=$(PACKAGE_INSTALL_DIR))                     \
 596       $($(PACKAGE)_configure_args)                              \
 597       $($(PACKAGE)_configure_args_$(PLATFORM))
 598
 599 configure_package =                                                     \
 600   $(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
 601   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 602   $(if $($(PACKAGE)_configure),                                         \
 603        $($(PACKAGE)_configure),                                         \
 604        $(configure_package_gnu))
 605
 606 # Tools (e.g. gcc, binutils, gdb) required a platform to build for
 607 check_platform =                                                                \
 608   is_tool="$(is_build_tool)" ;                                                  \
 609   is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ;                  \
 610   is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ;                        \
 611   if [ "$${is_tool}" == "yes"                                                   \
 612        -a "$${is_cross_package}" != ""                                          \
 613        -a "$${is_arch_native}" != "" ]; then                                    \
 614     $(call build_msg_fn,You must specify PLATFORM for building tools) ;         \
 615     exit 1 ;                                                                    \
 616   fi ;                                                                          \
 617   : check that platform gcc can be found ;                                      \
 618   target_gcc=gcc ;                                                              \
 619   if [ "$${is_arch_native}" != "yes" ] ; then                                   \
 620     target_gcc=$(TARGET)-gcc ;                                                  \
 621   fi ;                                                                          \
 622   if [ "$${is_tool}" != "yes"                                                   \
 623        -a "$${is_arch_native}" != "yes"                                         \
 624        -a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then                   \
 625     $(call build_msg_fn,                                                        \
 626            No cross-compiler found for platform $(PLATFORM) target $(TARGET);   \
 627              try make PLATFORM=$(PLATFORM) install-tools) ;                     \
 628     exit 1 ;                                                                    \
 629   fi
 630
 631 configure_check_timestamp =                                             \
 632   @$(BUILD_ENV) ;                                                       \
 633   $(check_platform) ;                                                   \
 634   mkdir -p $(PACKAGE_BUILD_DIR) ;                                       \
 635   mkdir -p $(PACKAGE_INSTALL_DIR) ;                                     \
 636   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                      \
 637   dirs="$(call package_mk_fn,$(PACKAGE))                                \
 638         $(wildcard $(call find_source_fn,                               \
 639                      $(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)/configure)     \
 640        $(MU_BUILD_ROOT_DIR)/config.site" ;                              \
 641   if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then          \
 642     $(configure_package) ;                                              \
 643     touch $${conf} ;                                                    \
 644   else                                                                  \
 645     $(call build_msg_fn,Configuring $(PACKAGE): nothing to do) ;        \
 646   fi
 647
 648 .PHONY: %-configure
 649 %-configure: %-find-source
 650         $(configure_check_timestamp)
 651
 652 ######################################################################
 653 # Package build
 654 ######################################################################
 655
 656 linux_n_cpus = `grep '^processor' /proc/cpuinfo | wc -l`
 657
 658 MAKE_PARALLEL_JOBS =                            \
 659   -j $(shell                                    \
 660     if [ -f /proc/cpuinfo ] ; then              \
 661       expr 2 '*' $(linux_n_cpus) ;              \
 662     else                                        \
 663       echo 1 ;                                  \
 664     fi)
 665
 666 MAKE_PARALLEL_FLAGS = $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
 667
 668 # Make command shorthand for packages & tools.
 669 PACKAGE_MAKE =                                  \
 670   $(MAKE)                                       \
 671     -C $(PACKAGE_BUILD_DIR)                     \
 672     $($(PACKAGE)_make_args)                     \
 673     $(MAKE_PARALLEL_FLAGS)
 674
 675 build_package =                                                 \
 676   $(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ;    \
 677   mkdir -p $(PACKAGE_BUILD_DIR) ;                               \
 678   cd $(PACKAGE_BUILD_DIR) ;                                     \
 679   $(if $($(PACKAGE)_build),                                     \
 680        $($(PACKAGE)_build),                                     \
 681        $(PACKAGE_MAKE))
 682
 683 build_check_timestamp =                                                                 \
 684   @$(BUILD_ENV) ;                                                                       \
 685   comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ;                                          \
 686   conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ;                                      \
 687   dirs="$(call find_source_fn,$(PACKAGE_SOURCE))                                        \
 688         $($(PACKAGE)_build_timestamp_depends)                                           \
 689         $(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
 690   if [[ $${conf} -nt $${comp}                                                           \
 691         || $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then                       \
 692     $(build_package) ;                                                                  \
 693     touch $${comp} ;                                                                    \
 694   else                                                                                  \
 695     $(call build_msg_fn,Building $(PACKAGE): nothing to do) ;                           \
 696   fi
 697
 698 .PHONY: %-build
 699 %-build: %-configure
 700         $(build_check_timestamp)
 701
 702 .PHONY: %-rebuild
 703 %-rebuild: %-wipe %-build
 704         @ :
 705
 706 ######################################################################
 707 # Package install
 708 ######################################################################
 709
 710 install_package =                                                               \
 711     : by default, for non-tools, remove any previously installed bits ;         \
 712     $(if $(is_build_tool)$($(PACKAGE)_keep_instdir),                            \
 713          true,                                                                  \
 714          rm -rf $(PACKAGE_INSTALL_DIR));                                        \
 715     mkdir -p $(PACKAGE_INSTALL_DIR) ;                                           \
 716     $(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true);             \
 717     $(if $($(PACKAGE)_install),                                                 \
 718          $($(PACKAGE)_install),                                                 \
 719          $(PACKAGE_MAKE)                                                        \
 720             $($(PACKAGE)_install_args)                                          \
 721             install) ;                                                          \
 722     $(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
 723
 724 install_check_timestamp =                                       \
 725   @$(BUILD_ENV) ;                                               \
 726   inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ;                  \
 727   dirs="$(PACKAGE_BUILD_DIR)                                    \
 728         $($(PACKAGE)_install_dependencies)" ;                   \
 729   if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then  \
 730     $(call build_msg_fn,Installing $(PACKAGE)) ;                \
 731     $(install_package) ;                                        \
 732     touch $${inst} ;                                            \
 733   else                                                          \
 734     $(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
 735   fi
 736
 737 .PHONY: %-install
 738 %-install: %-build
 739         $(install_check_timestamp)
 740
 741 ######################################################################
 742 # Source code managment
 743 ######################################################################
 744
 745 GIT = git
 746
 747 # Maps package name to source directory root.
 748 # Multiple packages may use a single source tree.
 749 # For example, gcc-bootstrap package shares gcc source.
 750 PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
 751 PACKAGE_SUBDIR = $(if $($(PACKAGE)_configure_subdir),/$($(PACKAGE)_configure_subdir),)
 752
 753 # Use git to download source if directory is not found
 754 find_source_for_package =                                                                       \
 755   @$(BUILD_ENV) ;                                                                               \
 756   $(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ;                             \
 757   $(call build_msg_fn,Finding source for $(PACKAGE)) ;                                          \
 758   s="$(call find_source_fn,$(PACKAGE_SOURCE))" ;                                                \
 759   [[ -z "$${s}" ]]                                                                              \
 760     && $(call build_msg_fn,Package $(PACKAGE) not found with path $(SOURCE_PATH))               \
 761     && exit 1;                                                                                  \
 762   mk="$(call find_build_data_dir_for_package_fn,$(PACKAGE_SOURCE))/packages/$(PACKAGE).mk";     \
 763   $(call build_msg_fn,Makefile fragment found in $${mk}) ;                                      \
 764   if [ ! -d "$${s}" ] ; then                                                                    \
 765     d=`dirname $${mk}` ;                                                                        \
 766     i=`cd $${d}/.. && ($(GIT) config remote.origin.url ||                                       \
 767                     awk '/URL/ { print $$2; }' .git/remotes/origin)`;                           \
 768     g=`dirname $${i}` ;                                                                         \
 769     $(call build_msg_fn,Fetching source: $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s) ;            \
 770     if ! $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s; then                                         \
 771       $(call build_msg_fn,No source for $(PACKAGE) in $${g});                                   \
 772       exit 1;                                                                                   \
 773     fi ;                                                                                        \
 774     $(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ;                                    \
 775     (cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ;                                        \
 776   fi ;                                                                                          \
 777   s=`cd $${s} && pwd` ;                                                                         \
 778   $(call build_msg_fn,Source found in $${s})
 779
 780 .PHONY: %-find-source
 781 %-find-source:
 782         $(find_source_for_package)
 783
 784 .PHONY: %-push %-pull %-push-all %-pull-all
 785 %-push %-pull %-push-all %-pull-all:
 786         @$(BUILD_ENV) ;                                                         \
 787         push_or_pull=$(patsubst %-all,%,$(subst $(PACKAGE)-,,$@)) ;             \
 788         $(call build_msg_fn,Git $${push_or_pull} source for $(PACKAGE)) ;       \
 789         s=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                            \
 790         if [ "x$$s" = "x" ]; then                                               \
 791              $(call build_msg_fn,No source for $(PACKAGE)) ;                    \
 792              exit 1;                                                            \
 793         fi ;                                                                    \
 794         cd $$s && $(GIT) $${push_or_pull}
 795
 796 # Pull all packages for platform
 797 .PHONY: pull-all
 798 pull-all:
 799         @$(BUILD_ENV) ;                                                         \
 800         $(call build_msg_fn,Git pull build system) ;                            \
 801         for d in $(MU_BUILD_ROOT_DIR)                                           \
 802                  $(SOURCE_PATH_BUILD_ROOT_DIRS)                                 \
 803                  $(SOURCE_PATH_BUILD_DATA_DIRS); do                             \
 804           $(call build_msg_fn,Git pull $${d}) ;                                 \
 805           pushd $${d} >& /dev/null && $(GIT) pull && popd >& /dev/null ;        \
 806         done ;                                                                  \
 807         $(call build_msg_fn,Git pull build tools) ;                             \
 808         $(call tool_make_target_fn,pull-all) ;                                  \
 809         $(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ;       \
 810         make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
 811
 812 .PHONY: %-diff
 813 %-diff:
 814         @$(BUILD_ENV) ;                                                 \
 815         d=$(call find_source_fn,$(PACKAGE_SOURCE)) ;                    \
 816         $(call build_msg_fn,Git diff $(PACKAGE)) ;                      \
 817         if [ -d $${d}/.git ] ; then                                     \
 818          cd $${d} && $(GIT) --no-pager diff 2>/dev/null;                \
 819         else                                                            \
 820          $(call build_msg_fn, $(PACKAGE) not a git directory) ;         \
 821         fi
 822
 823
 824
 825 # generate diffs for everything in source path
 826 .PHONY: diff-all
 827 diff-all:
 828         @$(BUILD_ENV) ;                                                 \
 829         $(call build_msg_fn,Generate diffs) ;                           \
 830         for r in $(ABSOLUTE_SOURCE_PATH); do                            \
 831           for d in $${r}/* ; do                                         \
 832             if [ -d $${d} ] ; then                                      \
 833               $(call build_msg_fn,Git diff $${d}) ;                     \
 834               if [ -d $${d}/.git ] ; then                               \
 835                 cd $${d} && $(GIT) --no-pager diff 2>/dev/null;         \
 836               else                                                      \
 837                 $(call build_msg_fn, $${d} not a git directory) ;       \
 838               fi ;                                                      \
 839             fi ;                                                        \
 840           done ;                                                        \
 841         done
 842
 843 ######################################################################
 844 # System images
 845 ######################################################################
 846
 847 IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/image-$(PLATFORM)
 848
 849 # Reports shared libraries in given directory
 850 find_shared_libs_fn =                           \
 851   find $(1)                                     \
 852     -maxdepth 1                                 \
 853        -regex '.*/lib[a-z0-9_]+\+?\+?.so'               \
 854     -o -regex '.*/lib[a-z0-9_]+-[0-9.]+\+?\+?.so'       \
 855     -o -regex '.*/lib[a-z0-9_]+\+?\+?.so.[0-9.]+'
 856
 857 # By default pick up files from binary directories and /etc.
 858 # Also include shared libraries.
 859 DEFAULT_IMAGE_INCLUDE =                                 \
 860   for d in bin sbin libexec                             \
 861            usr/bin usr/sbin usr/libexec                 \
 862            etc; do                                      \
 863     [[ -d $$d ]] && echo $$d;                           \
 864   done ;                                                \
 865   [[ -d $(arch_lib_dir) ]]                              \
 866     && $(call find_shared_libs_fn,$(arch_lib_dir))
 867
 868 # Define any shell functions needed by install scripts
 869 image_install_functions =                       \
 870   $(foreach p,$(ALL_PACKAGES),                  \
 871     $(if $($(p)_image_install_functions),       \
 872          $($(p)_image_install_functions)))
 873
 874 # Should always be over-written by temp dir in %-root-image rule
 875 IMAGE_INSTALL_DIR = $(error you need to set IMAGE_INSTALL_DIR)
 876
 877 image_install_fn =                                                              \
 878   @$(BUILD_ENV) ;                                                               \
 879   $(call build_msg_fn,Image-install $(1) for platform $(PLATFORM)) ;            \
 880   inst_dir=$(IMAGE_INSTALL_DIR) ;                                               \
 881   mkdir -p $${inst_dir} ;                                                       \
 882   cd $(2) ;                                                                     \
 883   : select files to include in image ;                                          \
 884   image_include_files="                                                         \
 885     `$(call ifdef_fn,$(1)_image_include,$(DEFAULT_IMAGE_INCLUDE)) ;             \
 886      echo "" ;                                                                  \
 887      exit 0 ; `";                                                               \
 888   : select files regexps to exclude from image ;                                \
 889   image_exclude_files="" ;                                                      \
 890   if [ ! -z "$($(1)_image_exclude)" ] ; then                                    \
 891     image_exclude_files="${image_exclude_files}                                 \
 892                          $(patsubst %,--exclude=%,$($(1)_image_exclude))" ;     \
 893   fi ;                                                                          \
 894   [[ -z "$${image_include_files}" || $${image_include_files} == " " ]]          \
 895     || tar cf - $${image_include_files} $${image_exclude_files}                 \
 896        | tar xf - -C $${inst_dir} ;                                             \
 897   : copy files from copyimg directories on source path if present ;             \
 898   for build_data_dir in $(SOURCE_PATH_BUILD_DATA_DIRS) ; do                     \
 899     d="$${build_data_dir}/packages/$(1).copyimg" ;                              \
 900     if [ -d "$${d}" ] ; then                                                    \
 901       env $($(PLATFORM)_copyimg_env)                                            \
 902         $(MU_BUILD_ROOT_DIR)/copyimg $${d} $${inst_dir} ;                       \
 903     fi ;                                                                        \
 904   done ;                                                                        \
 905   : run package dependent install script ;                                      \
 906   $(if $($(1)_image_install),                                                   \
 907        $(image_install_functions)                                               \
 908        cd $${inst_dir} ;                                                        \
 909        $($(1)_image_install))
 910
 911 .PHONY: %-image_install
 912 %-image_install: %-install
 913         $(call image_install_fn,$(PACKAGE),$(PACKAGE_INSTALL_DIR))
 914
 915 basic_system_image_include =                                    \
 916   $(call ifdef_fn,$(PLATFORM)_basic_system_image_include,       \
 917   echo bin/ldd ;                                                \
 918   echo $(arch_lib_dir)/ld*.so* ;                                \
 919   $(call find_shared_libs_fn, $(arch_lib_dir)))
 920
 921 basic_system_image_install =                            \
 922   mkdir -p bin lib mnt proc root sbin sys tmp etc ;     \
 923   mkdir -p usr usr/{bin,sbin} usr/lib ;                 \
 924   mkdir -p var var/{lib,lock,log,run,tmp} ;             \
 925   mkdir -p var/lock/subsys var/lib/urandom
 926
 927 .PHONY: basic_system-image_install
 928 basic_system-image_install: # linuxrc-install
 929         $(if $(not_native),                                                     \
 930              $(call image_install_fn,basic_system,$(TARGET_TOOL_INSTALL_DIR)),)
 931
 932 ROOT_PACKAGES = $(if $($(PLATFORM)_root_packages),$($(PLATFORM)_root_packages),$(default_root_packages))
 933
 934 .PHONY: install-packages
 935 install-packages: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 936         @$(BUILD_ENV) ;                                                         \
 937         set -eu$(BUILD_DEBUG) ;                                                 \
 938         d=$(MU_BUILD_ROOT_DIR)/packages-$(PLATFORM) ;                           \
 939         rm -rf $${d} ;                                                          \
 940         mkdir -p $${d};                                                         \
 941         $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${d}                 \
 942             $(patsubst %,%-image_install,                                       \
 943               basic_system                                                      \
 944               $(ROOT_PACKAGES)) || exit 1;                                      \
 945         $(call build_msg_fn, Relocating ELF executables to run in $${d}) ;      \
 946         find $${d} -type f                                                      \
 947             -exec elftool quiet in '{}' out '{}'                                \
 948                 set-interpreter                                                 \
 949                     $${d}/$(arch_lib_dir)/$(DYNAMIC_LINKER)                     \
 950                 set-rpath $${d}/$(arch_lib_dir):$${d}/lib ';' ;                 \
 951         : strip symbols from files ;                                            \
 952         if [ $${strip_symbols:-no} = 'yes' ] ; then                             \
 953             $(call build_msg_fn, Stripping symbols from files) ;                \
 954             find $${d} -type f                                                  \
 955                 -exec                                                           \
 956                   $(TARGET_PREFIX)strip                                         \
 957                     --strip-unneeded '{}' ';'                                   \
 958                     >& /dev/null ;                                              \
 959         else                                                                    \
 960             $(call build_msg_fn, NOT stripping symbols) ;                       \
 961         fi
 962
 963 # readonly root squashfs image
 964 # Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
 965 .PHONY: ro-image
 966 $(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
 967         @$(BUILD_ENV) ;                                                 \
 968         d=$(PLATFORM_IMAGE_DIR) ;                                       \
 969         mkdir -p $$d;                                                   \
 970         ro_image=$$d/ro.img ;                                           \
 971         rm -f $${ro_image} ;                                            \
 972         tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ;                     \
 973         chmod 0755 $${tmp_dir} ;                                        \
 974         cd $${tmp_dir} ;                                                \
 975         trap "rm -rf $${tmp_dir}" err ;                                 \
 976         fakeroot /bin/bash -c "{                                        \
 977           set -eu$(BUILD_DEBUG) ;                                       \
 978           $(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
 979             $(patsubst %,%-image_install,                               \
 980               basic_system                                              \
 981               $(ROOT_PACKAGES)) ;                                       \
 982           : make dev directory ;                                        \
 983           $(linuxrc_makedev) ;                                          \
 984           echo @@@@ Relocating ELF executables to run in / @@@@ ;       \
 985           find $${d} -type f                                            \
 986               -exec elftool quiet in '{}' out '{}'                      \
 987                 set-interpreter                                         \
 988                     /$(arch_lib_dir)/$(DYNAMIC_LINKER)                  \
 989                 set-rpath /$(arch_lib_dir):/lib ';' ;                   \
 990           : strip symbols from files ;                                  \
 991           if [ '$${strip_symbols:-yes}' = 'yes' ] ; then                \
 992               echo @@@@ Stripping symbols from files @@@@ ;             \
 993               find $${tmp_dir} -type f                                  \
 994                 -exec                                                   \
 995                   $(TARGET_PREFIX)strip                                 \
 996                     --strip-unneeded '{}' ';'                           \
 997                     >& /dev/null ;                                      \
 998           else                                                          \
 999               echo @@@@ NOT stripping symbols @@@@ ;                    \
1000           fi ;                                                          \
1001           if [ $${sign_executables:-yes} = 'yes'                        \
1002                -a -n "$($(PLATFORM)_public_key)" ] ; then               \
1003               echo @@@@ Signing executables @@@@ ;                      \
1004               find $${tmp_dir} -type f                                  \
1005                 | xargs sign $($(PLATFORM)_public_key)                  \
1006                              $($(PLATFORM)_private_key_passphrase) ;    \
1007           fi ;                                                          \
1008           : make read-only file system ;                                \
1009           mksquashfs                                                    \
1010             $${tmp_dir} $${ro_image}                                    \
1011             -no-exports -no-progress -no-recovery ;                     \
1012         }" ;                                                            \
1013         : cleanup tmp directory ;                                       \
1014         rm -rf $${tmp_dir}
1015
1016 MKFS_JFFS2_BYTE_ORDER_x86_64 = -l
1017 MKFS_JFFS2_BYTE_ORDER_i686 = -l
1018 MKFS_JFFS2_BYTE_ORDER_ppc = -b
1019 MKFS_JFFS2_BYTE_ORDER_mips = -b
1020 MKFS_JFFS2_BYTE_ORDER_native = $(MKFS_JFFS2_BYTE_ORDER_$(NATIVE_ARCH))
1021
1022 MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES = \
1023   $(call ifdef_fn,$(PLATFORM)_jffs2_sector_size_in_kbytes,256)
1024
1025 mkfs_fn_jffs2 = mkfs.jffs2                              \
1026   --eraseblock=$(MKFS_JFFS2_SECTOR_SIZE_IN_KBYTES)KiB   \
1027   --root=$(1) --output=$(2)                             \
1028   $(MKFS_JFFS2_BYTE_ORDER_$(BASIC_ARCH))
1029
1030 # As things stand the actual initrd size parameter
1031 # is set in .../open-repo/build-data/packages/linuxrc.mk.
1032 EXT2_RW_IMAGE_SIZE=notused
1033
1034 mkfs_fn_ext2 = \
1035   e2fsimage -d $(1) -f $(2) -s $(EXT2_RW_IMAGE_SIZE)
1036
1037 RW_IMAGE_TYPE=jffs2
1038
1039 make_rw_image_fn = \
1040   $(call mkfs_fn_$(RW_IMAGE_TYPE),$(1),$(2))
1041
1042 rw_image_embed_ro_image_fn =                                    \
1043   mkdir -p proc initrd images ro rw union ;                     \
1044   cp $(PLATFORM_IMAGE_DIR)/$(1) images/$(1) ;                   \
1045   md5sum images/$(1) > images/$(1).md5 ;                        \
1046   echo Built by $(LOGNAME) at `date` > images/$(1).stamp ;      \
1047   mkdir -p changes/$(1)
1048
1049 # make sure RW_IMAGE_TYPE is a type we know how to build
1050 .PHONY: rw-image-check-type
1051 rw-image-check-type:
1052         @$(BUILD_ENV) ;                                                         \
1053         if [ -z "$(make_rw_image_fn)" ] ; then                                  \
1054           $(call build_msg_fn,Unknown read/write fs image type;                 \
1055                               try RW_IMAGE_TYPE=ext2 or RW_IMAGE_TYPE=jffs2) ;  \
1056           exit 1;                                                               \
1057         fi
1058
1059 # read write image
1060 .PHONY: rw-image
1061 rw-image: rw-image-check-type ro-image
1062         @$(BUILD_ENV) ;                                         \
1063         d=$(PLATFORM_IMAGE_DIR) ;                               \
1064         mkdir -p $$d ;                                          \
1065         rw_image="$$d/rw.$(RW_IMAGE_TYPE)" ;                    \
1066         ro_image="ro.img" ;                                     \
1067         rm -f $$rw_image ;                                      \
1068         tmp_dir="`mktemp -d $$d/rw-image-XXXXXX`" ;             \
1069         chmod 0755 $${tmp_dir} ;                                \
1070         cd $${tmp_dir} ;                                        \
1071         trap "rm -rf $${tmp_dir}" err ;                         \
1072         fakeroot /bin/bash -c "{                                \
1073           set -eu$(BUILD_DEBUG) ;                               \
1074           $(linuxrc_makedev) ;                                  \
1075           $(call rw_image_embed_ro_image_fn,$${ro_image}) ;     \
1076           $(call make_rw_image_fn,$${tmp_dir},$${rw_image}) ;   \
1077         }" ;                                                    \
1078         : cleanup tmp directory ;                               \
1079         rm -rf $${tmp_dir}
1080
1081 images: linuxrc-install linux-install $(image_extra_dependencies) rw-image
1082         @$(BUILD_ENV) ;                                         \
1083         d=$(PLATFORM_IMAGE_DIR) ;                               \
1084         cd $(BUILD_DIR)/linux-$(PLATFORM) ;                     \
1085         i="" ;                                                  \
1086         [[ -z $$i && -f bzImage ]] && i=bzImage ;               \
1087         [[ -z $$i && -f zImage ]] && i=zImage ;                 \
1088         [[ -z $$i && -f linux ]] && i=linux ;                   \
1089         [[ -z $$i && -f vmlinux ]] && i=vmlinux ;               \
1090         [[ -z $$i ]]                                            \
1091           && $(call build_msg_fn,no linux image to install      \
1092                 in $(BUILD_DIR)/linux-$(PLATFORM))              \
1093           && exit 1 ;                                           \
1094         cp $$i $$d
1095
1096 ######################################################################
1097 # Tool chain build/install
1098 ######################################################################
1099
1100 .PHONY: ccache-install
1101 ccache-install:
1102         $(MAKE) -C $(MU_BUILD_ROOT_DIR) ccache-build
1103         mkdir -p $(TOOL_INSTALL_DIR)/ccache-bin
1104         ln -sf $(MU_BUILD_ROOT_DIR)/build-tool-native/ccache/ccache \
1105                 $(TOOL_INSTALL_DIR)/ccache-bin/$(TARGET_PREFIX)gcc
1106
1107 TOOL_MAKE = $(MAKE) is_build_tool=yes
1108
1109 tool_make_target_fn =                                                   \
1110   $(if $(strip $(NATIVE_TOOLS)),                                        \
1111     $(TOOL_MAKE) $(patsubst %,%-$(1),$(NATIVE_TOOLS)) ARCH=native || exit 1 ;) \
1112   $(TOOL_MAKE) $(patsubst %,%-$(1),$(CROSS_TOOLS))
1113
1114 .PHONY: install-tools
1115 install-tools:
1116         $(call tool_make_target_fn,install)
1117
1118 .PHONY: bootstrap-tools
1119 bootstrap-tools:
1120         $(TOOL_MAKE) make-install findutils-install git-install \
1121         automake-install autoconf-install libtool-install fakeroot-install
1122
1123
1124 ######################################################################
1125 # Clean
1126 ######################################################################
1127
1128 package_clean_script =                                                  \
1129   @$(call build_msg_fn, Cleaning $* in $(PACKAGE_INSTALL_DIR)) ;        \
1130   $(BUILD_ENV) ;                                                        \
1131   $(if $(is_build_tool),,rm -rf $(PACKAGE_INSTALL_DIR) ;)               \
1132   rm -rf $(TIMESTAMP_DIR)/$(call timestamp_name_fn,*) ;                 \
1133   $(if $($(PACKAGE)_clean),                                             \
1134     $($(PACKAGE)_clean),                                                \
1135     $(PACKAGE_MAKE) clean)
1136
1137 .PHONY: %-clean
1138 %-clean:
1139         $(package_clean_script)
1140
1141 # Wipe e.g. remove build and install directories for packages.
1142 package_wipe_script =                                                                                   \
1143   @message=$(if $(is_build_tool),"Wiping build $(PACKAGE)","Wiping build/install $(PACKAGE)") ;         \
1144   $(call build_msg_fn,$$message) ;                                                                      \
1145   $(BUILD_ENV) ;                                                                                        \
1146   rm -rf $(if $(is_build_tool),$(PACKAGE_BUILD_DIR),$(PACKAGE_INSTALL_DIR) $(PACKAGE_BUILD_DIR))
1147
1148 .PHONY: %-wipe
1149 %-wipe:
1150         $(package_wipe_script)
1151
1152 # Wipe entire build/install area for TAG and PLATFORM
1153 .PHONY: wipe-all
1154 wipe-all:
1155         @$(call build_msg_fn, Wiping $(BUILD_DIR) $(INSTALL_DIR)) ;     \
1156         $(BUILD_ENV) ;                                                  \
1157         rm -rf $(BUILD_DIR) $(INSTALL_DIR)
1158
1159 # Clean everything
1160 distclean:
1161         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_package)*/
1162         rm -rf $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_tool)*
1163         rm -rf $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)*
1164         rm -rf $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)*
1165         rm -rf $(TOOL_INSTALL_DIR)
1166         rm -rf $(MU_BUILD_ROOT_DIR)/*.deb
1167         rm -rf $(MU_BUILD_ROOT_DIR)/*.rpm
1168         rm -rf $(MU_BUILD_ROOT_DIR)/*.changes
1169         rm -rf $(MU_BUILD_ROOT_DIR)/python
1170         if [ -e /usr/bin/dh ];then (cd $(MU_BUILD_ROOT_DIR)/deb/;debian/rules clean); fi
1171         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/*.install
1172         rm -f $(MU_BUILD_ROOT_DIR)/deb/debian/changelog