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Makefile
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# Copyright (c) 2015 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Copyright (c) 2007-2008 Eliot Dresselhaus
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
######################################################################
# Collect makefile fragments
######################################################################
# Scripts require non-POSIX parts of bash
SHELL := /bin/bash
# Where this makefile lives
MU_BUILD_ROOT_DIR = $(shell pwd)
MU_BUILD_NAME = $(shell basename $(MU_BUILD_ROOT_DIR))
# Search path (e.g. multiple directories) where sources are found.
SOURCE_PATH =
# Pick up user's definitions for variables e.g. SOURCE_PATH, etc.
-include build-config.mk
MU_BUILD_ROOT_NAME = $(shell basename $(MU_BUILD_ROOT_DIR))
MU_BUILD_DATA_DIR_NAME = build-data
ABSOLUTE_SOURCE_PATH = $(foreach d,$(SOURCE_PATH),$(shell cd $(d) && pwd))
SOURCE_PATH_BUILD_ROOT_DIRS = $(addsuffix /$(MU_BUILD_NAME),$(ABSOLUTE_SOURCE_PATH))
SOURCE_PATH_BUILD_DATA_DIRS = $(addsuffix /$(MU_BUILD_DATA_DIR_NAME),$(ABSOLUTE_SOURCE_PATH))
# For tools use build-root as source path, otherwise use given source path
FIND_SOURCE_PATH = \
$(if $(is_build_tool), \
$(SOURCE_PATH_BUILD_ROOT_DIRS) $(MU_BUILD_ROOT_DIR), \
$(SOURCE_PATH_BUILD_DATA_DIRS))
# First search given source path, then default to build-root
FULL_SOURCE_PATH = $(SOURCE_PATH_BUILD_DATA_DIRS) $(MU_BUILD_ROOT_DIR)
# Misc functions
is_in_fn = $(strip $(filter $(1),$(2)))
last_fn = $(lastword $1)
chop_fn = $(wordlist 2,$(words $1),x $1)
uniq_fn = $(strip $(if $1,$(call uniq_fn,$(call chop_fn,$1)) \
$(if $(filter $(call last_fn,$1),$(call chop_fn,$1)),,$(call last_fn,$1))))
ifdef3_fn = $(if $(patsubst undefined,,$(origin $(1))),$(3),$(2))
ifdef_fn = $(call ifdef3_fn,$(1),$(2),$($(1)))
_mu_debug = $(warning "$(1) = $($(1))")
$(foreach d,$(FIND_SOURCE_PATH), \
$(eval _mu_package_mk_in_$(d) = $(shell find $(d)/packages/*.mk 2> /dev/null)) \
$(eval _mu_srcdirs_in_$(d) = \
$(shell find $(d)/.. \
-maxdepth 1 \
-type d \
-and -not -name ".." \
-and -not -name $(MU_BUILD_ROOT_NAME) \
-and -not -name $(MU_BUILD_DATA_DIR_NAME))) \
$(eval _mu_non_package_files_in_$(d) = \
$(shell find $(d)/packages \
-type f \
-and -not -name '*.mk' \
-and -not -name '*~' 2> /dev/null)) \
$(foreach p,$(patsubst %.mk,%,$(notdir $(_mu_package_mk_in_$(d)))), \
$(eval _mu_package_dir_$(p) = $(d)) \
$(eval _mu_package_mk_$(p) = $(d)/packages/$(p).mk) \
) \
$(foreach p,$(notdir $(_mu_srcdirs_in_$(d))), \
$(eval _mu_package_srcdir_$(p) = $(shell cd $(d)/../$(p) && pwd)) \
) \
)
# Find root directory for package based on presence of package .mk
# makefile fragment on source path.
_find_build_data_dir_for_package_fn = $(shell \
set -eu$(BUILD_DEBUG) ; \
for d in $(FIND_SOURCE_PATH) ; do \
f="$${d}/packages/$(1).mk" ; \
[[ -f $${f} ]] && echo `cd $${d} && pwd` && exit 0 ; \
done ; \
echo "")
find_build_data_dir_for_package_fn = $(call ifdef_fn,_mu_package_dir_$(1),)
# dir/PACKAGE
_find_source_fn = $(shell \
set -eu$(BUILD_DEBUG) ; \
d="$(call find_build_data_dir_for_package_fn,$(1))" ; \
[[ -n "$${d}" ]] && d="$${d}/../$(1)" ; \
echo "$${d}")
find_source_fn = $(call ifdef3_fn,_mu_package_dir_$(1),,$(_mu_package_dir_$(1))/../$(1))
# Find given FILE in source path as build-data/packages/FILE
find_package_file_fn = $(shell \
set -eu$(BUILD_DEBUG) ; \
d="$(call find_build_data_dir_for_package_fn,$(1))" ; \
[[ -n "$${d}" ]] && d="$${d}/packages/$(2)" ; \
[[ -f "$${d}" ]] && echo "$${d}")
# Find first FILE in source path with name PATH/build-data/FILE
find_build_data_file_fn = $(shell \
set -eu$(BUILD_DEBUG) ; \
for d in $(FIND_SOURCE_PATH) ; do \
f="$${d}/$(1)" ; \
[[ -f $${f} ]] && echo `cd $${d} && pwd`/$(1) && exit 0 ; \
done ; \
echo "")
######################################################################
# ARCH, PLATFORM
######################################################################
NATIVE_ARCH = $(shell gcc -dumpmachine | sed -e 's/\([a-zA-Z_0-9]*\)-.*/\1/')
# Find all platforms.mk that we can, including those from build-root
$(foreach d,$(FULL_SOURCE_PATH), \
$(eval -include $(d)/platforms.mk))
# Platform should be defined somewhere by specifying $($(PLATFORM)_arch)
ARCH = $(strip $($(PLATFORM)_arch))
ifeq ($(ARCH),)
$(error "Unknown platform `$(PLATFORM)'")
endif
# map e.g. ppc7450 -> ppc
BASIC_ARCH = \
${shell case '$(ARCH)' in \
(native) echo $(NATIVE_ARCH) ;; \
(i*86*) echo i386 ;; \
(ppc*|powerpc*) echo ppc ;; \
(*) echo '$(ARCH)' ;; \
esac }
# x86_64 can be either 32/64. set BIACH=32 to get 32 bit libraries.
BIARCH = 64
aarch64_libdir = 64
x86_64_libdir = $(BIARCH)
native_libdir = $($(NATIVE_ARCH)_libdir)
# lib or lib64 depending
arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
# OS to configure for. configure --host will be set to $(ARCH)-$(OS)
# Allow per-platform overrides
OS = $(strip $($(PLATFORM)_os))
ifeq ($(OS),)
OS = mu-linux
endif
spu_target = spu
native_target =
is_native = $(if $(ARCH:native=),,true)
not_native = $(if $(ARCH:native=),true,)
ARCH_TARGET_tmp = $(call ifdef_fn,$(ARCH)_target,$(ARCH)-$(OS))
TARGET = $(call ifdef_fn,$(PLATFORM)_target,$(ARCH_TARGET_tmp))
TARGET_PREFIX = $(if $(not_native),$(TARGET)-,)
# CPU microarchitecture detection.
# Either set <platform>_march in build-data/platforms/<platform>.mk,
# or detect and use the build-host instruction set
MARCH = $(strip $($(PLATFORM)_march))
ifeq ($(MARCH),)
ifneq ($(wildcard $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc),)
TARGET_GCC = $(TOOL_INSTALL_DIR)/bin/$(TARGET)-gcc
else ifneq ($(wildcard $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc),)
TARGET_GCC = $(MU_BUILD_ROOT_DIR)/tools/bin/$(TARGET)-gcc
endif
ifneq ($(TARGET_GCC),)
MARCH = $(shell $(TARGET_GCC) -Q --help=target -march=native | grep march | sed -e 's/.*march=[[:space:]]*//')
else
MARCH = native
endif
else
ifeq ($(MARCH),nehalem)
override MARCH = corei7
else ifeq ($(MARCH),westmere)
override MARCH = corei7
else ifeq ($(MARCH),sandybridge)
override MARCH = corei7-avx
else ifeq ($(MARCH),ivybridge)
override MARCH = core-avx-i
else ifeq ($(MARCH),haswell)
override MARCH = core-avx2
endif
endif
export MARCH
MTUNE = $(strip $($(PLATFORM)_mtune))
ifeq ($(MTUNE),)
MTUNE = generic
endif
######################################################################
# Generic build stuff
######################################################################
# The package we are currently working on
PACKAGE = $*
# Build/install tags. This lets you have different CFLAGS/CPPFLAGS/LDFLAGS
# for e.g. debug versus optimized compiles. Each tag has its own set of build/install
# areas.
TAG =
TAG_PREFIX = $(if $(TAG),$(TAG)-)
# yes you need the space
tag_var_with_added_space_fn = $(if $($(TAG)_TAG_$(1)),$($(TAG)_TAG_$(1)) )
# TAG=debug for debugging
debug_TAG_CFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
-fstack-protector-all -fPIC
debug_TAG_CXXFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
-fstack-protector-all -fPIC
debug_TAG_LDFLAGS = -g -O0 -DCLIB_DEBUG -DFORTIFY_SOURCE=2 -march=$(MARCH) \
-fstack-protector-all -fPIC
BUILD_PREFIX_package = build-$(TAG_PREFIX)
BUILD_PREFIX_tool = build-tool-$(TAG_PREFIX)
INSTALL_PREFIX = install-$(TAG_PREFIX)
IMAGES_PREFIX = images-$(TAG_PREFIX)
# Whether we are building a tool or not
tool_or_package_fn = $(if $(is_build_tool),tool,package)
# Directory where packages are built & installed
BUILD_DIR = $(MU_BUILD_ROOT_DIR)/$(BUILD_PREFIX_$(call tool_or_package_fn))$(ARCH)
INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/$(INSTALL_PREFIX)$(ARCH)
PLATFORM_IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/$(IMAGES_PREFIX)$(PLATFORM)
# $(call VAR,DEFAULT)
override_var_with_default_fn = $(if $($(1)),$($(1)),$(2))
# $(call if_directory_exists_fn,D1,D2) returns D1 if it exists else D2
define if_directory_exists_fn
$(shell if test -d $(1); then echo $(1); else echo $(2); fi)
endef
# $(call if_file_exists_fn,F1,F2) returns F1 if it exists else F2
define if_file_exists_fn
$(shell if test -f $(1); then echo $(1); else echo $(2); fi)
endef
# Default VAR, package specified override of default PACKAGE_VAR
package_var_fn = $(call override_var_with_default_fn,$(1)_$(2),$(1))
package_build_dir_fn = $(call package_var_fn,$(1),build_dir)
package_install_dir_fn = \
$(if $(is_build_tool),$(TOOL_INSTALL_DIR),$(INSTALL_DIR)/$(call package_build_dir_fn,$(1)))
PACKAGE_BUILD_DIR = \
$(BUILD_DIR)/$(call package_build_dir_fn,$(PACKAGE))
PACKAGE_INSTALL_DIR = \
$(call package_install_dir_fn,$(PACKAGE))
# Tools (gcc, binutils, glibc...) are installed here
TOOL_INSTALL_DIR = $(MU_BUILD_ROOT_DIR)/tools
# Target specific tools go here e.g. mu-build/tools/ppc-mu-linux
TARGET_TOOL_INSTALL_DIR = $(TOOL_INSTALL_DIR)/$(TARGET)
# Set BUILD_DEBUG to vx or x enable shell command tracing.
BUILD_DEBUG =
# Message from build system itself (as opposed to make or shell commands)
build_msg_fn = echo "@@@@ $(1) @@@@"
# Allow CCACHE_DIR to be overridden, e.g. in .../build-root/build-config.mk
ifeq ($(CCACHE_DIR),)
CCACHE_DIR=$(MU_BUILD_ROOT_DIR)/.ccache
endif
# Always prefer our own tools to those installed on system.
# Note: ccache-bin must be before tool bin.
#
# Removed LD_LIBRARY_PATH from BUILD_ENV (drb, 10/31/17):
# export LD_LIBRARY_PATH=$(TOOL_INSTALL_DIR)/lib64:$(TOOL_INSTALL_DIR)/lib
# Reported to cause trouble. Only of historical interest, since we no longer
# build a full tool chain from source.
BUILD_ENV = \
export CCACHE_DIR=$(CCACHE_DIR) ; \
export PATH=$(wildcard /usr/lib*/ccache):$(TOOL_INSTALL_DIR)/bin:$${PATH} ; \
$(if $(call configure_var_fn,PATH), export PATH=$${PATH}:$(call configure_var_fn,PATH);,) \
export PATH="`echo $${PATH} | sed -e s/[.]://`" ; \
$(if $(not_native),export CONFIG_SITE=$(MU_BUILD_ROOT_DIR)/config.site ;,) \
set -eu$(BUILD_DEBUG) ; \
set -o pipefail
######################################################################
# Package build generic definitions
######################################################################
package_dir_fn = \
$(call find_build_data_dir_for_package_fn,$(1))/packages
package_mk_fn = $(call package_dir_fn,$(1))/$(1).mk
# Pick up built-root/pre-package-include.mk for all source directories
$(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS), \
$(eval -include $(d)/pre-package-include.mk))
$(foreach d,$(addsuffix /packages,$(FIND_SOURCE_PATH)), \
$(eval -include $(d)/*.mk) \
$(eval ALL_PACKAGES += $(patsubst $(d)/%.mk,%,$(wildcard $(d)/*.mk))) \
)
# Pick up built-root/post-package-include.mk for all source directories
$(foreach d,$(SOURCE_PATH_BUILD_ROOT_DIRS), \
$(eval -include $(d)/post-package-include.mk))
# Linux specific native build tools
NATIVE_TOOLS_LINUX = \
e2fsimage \
e2fsprogs \
fakeroot \
jffs2 \
mkimage \
zlib \
xz \
squashfs
IS_LINUX = $(if $(findstring no,$($(PLATFORM)_uses_linux)),no,yes)
NATIVE_TOOLS_$(IS_LINUX) += $(NATIVE_TOOLS_LINUX)
# only build glibc for linux installs
CROSS_TOOLS_$(IS_LINUX) += glibc gcc
# must be first for bootstrapping
NATIVE_TOOLS = findutils make
# basic tools needed for build system
NATIVE_TOOLS += git automake autoconf libtool texinfo tar
# needed to compile gcc
NATIVE_TOOLS += mpfr gmp mpc
# Tool to sign binaries
NATIVE_TOOLS += sign
# ccache
NATIVE_TOOLS += ccache
# Tools needed on native host to build for platform
NATIVE_TOOLS += $(call ifdef_fn,$(PLATFORM)_native_tools,)
# Tools for cross-compiling from native -> ARCH
CROSS_TOOLS = binutils gcc-bootstrap gdb
# Tools needed on native host to build for platform
CROSS_TOOLS += $(call ifdef_fn,$(PLATFORM)_cross_tools,)
NATIVE_TOOLS += $(NATIVE_TOOLS_yes)
CROSS_TOOLS += $(CROSS_TOOLS_yes)
timestamp_name_fn = .mu_build_$(1)_timestamp
CONFIGURE_TIMESTAMP = $(call timestamp_name_fn,configure)
BUILD_TIMESTAMP = $(call timestamp_name_fn,build)
INSTALL_TIMESTAMP = $(call timestamp_name_fn,install)
TIMESTAMP_DIR = $(PACKAGE_BUILD_DIR)
find_newer_files_fn = \
"`for i in $(2) ; do \
[[ -f $$i && $$i -nt $(1) ]] && echo "$$i" && exit 0; \
done ; \
exit 0;`"
find_filter = -not -name '*~'
find_filter += -and -not -path '*/.git*'
find_filter += -and -not -path '*/.svn*'
find_filter += -and -not -path '*/.CVS*'
find_filter += -and -not -path '*/manual/*'
find_filter += -and -not -path '*/autom4te.cache/*'
find_filter += -and -not -path '*/doc/all-cfg.texi'
find_filter += -and -not -path '*/.mu_build_*'
find_newer_filtered_fn = \
(! -f $(1) \
|| -n $(call find_newer_files_fn,$(1),$(3)) \
|| -n "`find -H $(2) \
-type f \
-and -newer $(1) \
-and \( $(4) \) \
-print -quit`")
find_newer_fn = \
$(call find_newer_filtered_fn,$(1),$(2),$(3),$(find_filter))
######################################################################
# Package dependencies
######################################################################
# This must come before %-configure, %-build, %-install pattern rules
# or else dependencies will not work.
package_dependencies_fn = \
$(patsubst %-install, %, \
$(filter %-install,$($(1)_configure_depend)))
PACKAGE_DEPENDENCIES = $(call package_dependencies_fn,$(PACKAGE))
# package specific configure, build, install dependencies
add_package_dependency_fn = \
$(if $($(1)_$(2)_depend), \
$(eval $(1)-$(2) : $($(1)_$(2)_depend)))
$(foreach p,$(ALL_PACKAGES), \
$(call add_package_dependency_fn,$(p),configure) \
$(call add_package_dependency_fn,$(p),build) \
$(call add_package_dependency_fn,$(p),install))
TARGETS_RESPECTING_DEPENDENCIES = image_install wipe diff push-all pull-all find-source
# carry over packages dependencies to image install, wipe, pull-all, push-all
$(foreach p,$(ALL_PACKAGES), \
$(if $($(p)_configure_depend), \
$(foreach s,$(TARGETS_RESPECTING_DEPENDENCIES), \
$(eval $(p)-$(s): \
$(addsuffix -$(s), $(call package_dependencies_fn,$(p)))))))
# recursively resolve dependencies
resolve_dependencies2_fn = $(strip \
$(eval __added = $(filter-out $(4), \
$(call uniq_fn, \
$(foreach l,$(3), \
$(call ifdef3_fn,$(l)$(1),,$(call $(2),$($(l)$(1)))) \
)))) \
$(eval __known = $(call uniq_fn,$(4) $(3) $(__added))) \
$(if $(__added), \
$(call resolve_dependencies2_fn,$(1),$(2),$(__added),$(__known)), \
$(__known)) \
)
resolve_dependencies_null_fn = $(1)
resolve_dependencies_fn = $(call resolve_dependencies2_fn,$(1),resolve_dependencies_null_fn,$(2))
######################################################################
# Package configure
######################################################################
# x86_64 can be either 32/64. set BIACH=32 to get 32 bit libraries.
BIARCH = 64
x86_64_libdir = $(BIARCH)
native_libdir = $($(NATIVE_ARCH)_libdir)
# lib or lib64 depending
arch_lib_dir = lib$($(BASIC_ARCH)_libdir)
# find dynamic linker as absolute path
TOOL_INSTALL_LIB_DIR=$(TOOL_INSTALL_DIR)/$(TARGET)/$(arch_lib_dir)
DYNAMIC_LINKER=${shell cd $(TOOL_INSTALL_LIB_DIR); echo ld*.so.*}
# Pad dynamic linker & rpath so elftool will never have to change ELF section sizes.
# Yes, this is a kludge.
lots_of_slashes_to_pad_names = "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////"
# When PLATFORM != native we *always* use our own versions of GLIBC and dynamic linker
# Allow per-platform overrides
CROSS_LDFLAGS = $(strip $($(PLATFORM)_cross_ldflags))
ifeq ($(CROSS_LDFLAGS),)
CROSS_LDFLAGS = \
-Wl,--dynamic-linker=$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)/$(DYNAMIC_LINKER) \
-Wl,-rpath -Wl,$(lots_of_slashes_to_pad_names)$(TOOL_INSTALL_LIB_DIR)
endif
cross_ldflags = $(if $(is_native)$(is_build_tool),,$(CROSS_LDFLAGS) )
# $(call installed_libs_fn,PACKAGE)
# Return install library directory for given package.
# Some packages (e.g. openssl) don't install under lib64; instead they use lib
define installed_lib_fn
$(call if_directory_exists_fn,
$(call package_install_dir_fn,$(1))/$(arch_lib_dir),
$(call package_install_dir_fn,$(1))/lib)
endef
# Set -L and rpath to point to dependent libraries previously built by us.
installed_libs_fn = \
$(foreach i,$(1), \
-L$(call installed_lib_fn,$(i)) \
-Wl,-rpath -Wl,$(call installed_lib_fn,$(i)))
# As above for include files
installed_include_fn = $(call package_install_dir_fn,$(1))/include
installed_includes_fn = $(foreach i,$(1),-I$(call installed_include_fn,$(i)))
# By default package CPPFLAGS (to set include path -I) and LDFLAGS (to set link path -L)
# point at dependent install directories.
DEFAULT_CPPFLAGS = $(call installed_includes_fn, $(PACKAGE_DEPENDENCIES))
DEFAULT_LDFLAGS = $(call installed_libs_fn, $(PACKAGE_DEPENDENCIES))
configure_var_fn = \
$(call tag_var_with_added_space_fn,$(1))$(call override_var_with_default_fn,$(PACKAGE)_$(1),$(DEFAULT_$(1)))
configure_ldflags_fn = \
$(cross_ldflags)$(call configure_var_fn,LDFLAGS)
# Allow packages to override CPPFLAGS, CFLAGS, and LDFLAGS
CONFIGURE_ENV = \
$(if $(call configure_var_fn,CPPFLAGS), \
CPPFLAGS="$(CPPFLAGS) $(call configure_var_fn,CPPFLAGS)") \
$(if $(call configure_var_fn,CXXFLAGS), \
CXXFLAGS="$(CXXFLAGS) $(call configure_var_fn,CXXFLAGS)") \
$(if $(call configure_var_fn,CFLAGS), \
CFLAGS="$(CFLAGS) $(call configure_var_fn,CFLAGS)") \
$(if $(call configure_var_fn,CCASFLAGS), \
CCASFLAGS="$(CCASFLAGS) $(call configure_var_fn,CCASFLAGS)") \
$(if $(call configure_ldflags_fn), \
LDFLAGS="$(LDFLAGS) $(call configure_ldflags_fn)") \
$(if $($(PACKAGE)_configure_env),$($(PACKAGE)_configure_env))
# only partially used now (used in a few .mk files)
ifeq ($(is_build_tool),yes)
prefix = $(PACKAGE_INSTALL_DIR)
libdir = $(PACKAGE_INSTALL_DIR)/$(arch_lib_dir)
libexecdir = $(PACKAGE_INSTALL_DIR)/usr/libexec
DESTDIR = /
else
# Eventually simplify this with no per package DESTDIR or prefix
ppdMacro = $(if $(PER_PACKAGE_DESTDIR),$(call package_build_dir_fn,$(1)))
pppMacro = $(if $(PER_PACKAGE_PREFIX),$(call package_build_dir_fn,$(1)))
prefixMacro = $($(PLATFORM)_PREFIX_BASE)/$(pppMacro)
prefix = $(call prefixMacro,$(PACKAGE))
libdir = $($(PLATFORM)_LIBDIR)
libexecdir = $($(PLATFORM)_LIBEXECDIR)
destdirMacro = $($(PLATFORM)_DESTDIR_BASE)$(ppdMacro)
DESTDIR = $(call destdirMacro,$(PACKAGE))
endif
configure_package_gnu = \
s=$(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR) ; \
if [ ! -f $$s/configure ] ; then \
autoreconf -i -f $$s ; \
fi ; \
cd $(PACKAGE_BUILD_DIR) ; \
env $(CONFIGURE_ENV) \
$$s/configure \
$(if $($(PACKAGE)_configure_host_and_target), \
$($(PACKAGE)_configure_host_and_target), \
$(if $(not_native),--host=$(TARGET),)) \
$(if $($(PACKAGE)_configure_prefix), \
$($(PACKAGE)_configure_prefix), \
--libdir=$(PACKAGE_INSTALL_DIR)/$(arch_lib_dir) \
--prefix=$(PACKAGE_INSTALL_DIR)) \
$($(PACKAGE)_configure_args) \
$($(PACKAGE)_configure_args_$(PLATFORM))
configure_package = \
$(call build_msg_fn,Configuring $(PACKAGE) in $(PACKAGE_BUILD_DIR)) ; \
mkdir -p $(PACKAGE_BUILD_DIR) ; \
$(if $($(PACKAGE)_configure), \
$($(PACKAGE)_configure), \
$(configure_package_gnu))
# Tools (e.g. gcc, binutils, gdb) required a platform to build for
check_platform = \
is_tool="$(is_build_tool)" ; \
is_cross_package="$(findstring $(PACKAGE),$(CROSS_TOOLS))" ; \
is_arch_native="$(if $(subst native,,$(ARCH)),,yes)" ; \
if [ "$${is_tool}" == "yes" \
-a "$${is_cross_package}" != "" \
-a "$${is_arch_native}" != "" ]; then \
$(call build_msg_fn,You must specify PLATFORM for building tools) ; \
exit 1 ; \
fi ; \
: check that platform gcc can be found ; \
target_gcc=gcc ; \
if [ "$${is_arch_native}" != "yes" ] ; then \
target_gcc=$(TARGET)-gcc ; \
fi ; \
if [ "$${is_tool}" != "yes" \
-a "$${is_arch_native}" != "yes" \
-a ! -x "`which 2> /dev/null $${target_gcc}`" ] ; then \
$(call build_msg_fn, \
No cross-compiler found for platform $(PLATFORM) target $(TARGET); \
try make PLATFORM=$(PLATFORM) install-tools) ; \
exit 1 ; \
fi
configure_check_timestamp = \
@$(BUILD_ENV) ; \
$(check_platform) ; \
mkdir -p $(PACKAGE_BUILD_DIR) ; \
mkdir -p $(PACKAGE_INSTALL_DIR) ; \
conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ; \
dirs="$(call package_mk_fn,$(PACKAGE)) \
$(SOURCE_PATH_BUILD_DATA_DIRS)/platforms/$(PLATFORM).mk \
$(wildcard $(call find_source_fn,$(PACKAGE_SOURCE))/cmake) \
$(shell find $(call find_source_fn,$(PACKAGE_SOURCE)) \
-name CMakeLists.txt) \
$(wildcard $(call find_source_fn, \
$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)/configure) \
$(MU_BUILD_ROOT_DIR)/config.site" ; \
if [[ $(call find_newer_fn, $${conf}, $${dirs}, $?) ]]; then \
$(configure_package) ; \
touch $${conf} ; \
else \
$(call build_msg_fn,Configuring $(PACKAGE): nothing to do) ; \
fi
.PHONY: %-configure
%-configure: %-find-source
$(configure_check_timestamp)
######################################################################
# Package build
######################################################################
# /proc/cpuinfo does not exist on platforms without a /proc and on some
# platforms, notably inside containers, it has no content. In those cases
# we assume there's 1 processor; we use 2*ncpu for the -j option.
# NB: GNU Make 4.2 will let us use '$(file </proc/cpuinfo)' to both test
# for file presence and content; for now this will have to do.
ifndef MAKE_PARALLEL_JOBS
MAKE_PARALLEL_JOBS = -j $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo), \
$(shell grep -c ^processor /proc/cpuinfo), 2)
else
MAKE_PARALLEL_JOBS := -j $(MAKE_PARALLEL_JOBS)
endif
MAKE_PARALLEL_FLAGS ?= $(if $($(PACKAGE)_make_parallel_fails),,$(MAKE_PARALLEL_JOBS))
# Make command shorthand for packages & tools.
PACKAGE_MAKE = \
$(MAKE) \
-C $(PACKAGE_BUILD_DIR) \
$($(PACKAGE)_make_args) \
$(MAKE_PARALLEL_FLAGS)
build_package = \
$(call build_msg_fn,Building $* in $(PACKAGE_BUILD_DIR)) ; \
mkdir -p $(PACKAGE_BUILD_DIR) ; \
cd $(PACKAGE_BUILD_DIR) ; \
$(if $($(PACKAGE)_build), \
$($(PACKAGE)_build), \
$(PACKAGE_MAKE))
build_check_timestamp = \
@$(BUILD_ENV) ; \
comp="$(TIMESTAMP_DIR)/$(BUILD_TIMESTAMP)" ; \
conf="$(TIMESTAMP_DIR)/$(CONFIGURE_TIMESTAMP)" ; \
dirs="$(call find_source_fn,$(PACKAGE_SOURCE)) \
$($(PACKAGE)_build_timestamp_depends) \
$(if $(is_build_tool),,$(addprefix $(INSTALL_DIR)/,$(PACKAGE_DEPENDENCIES)))" ; \
if [[ $${conf} -nt $${comp} \
|| $(call find_newer_fn, $${comp}, $${dirs}, $?) ]]; then \
$(build_package) ; \
touch $${comp} ; \
else \
$(call build_msg_fn,Building $(PACKAGE): nothing to do) ; \
fi
.PHONY: %-build
%-build: %-configure
$(build_check_timestamp)
.PHONY: %-rebuild
%-rebuild: %-wipe %-build
@ :
######################################################################
# Package install
######################################################################
install_package = \
: by default, for non-tools, remove any previously installed bits ; \
$(if $(is_build_tool)$($(PACKAGE)_keep_instdir), \
true, \
rm -rf $(PACKAGE_INSTALL_DIR)); \
mkdir -p $(PACKAGE_INSTALL_DIR) ; \
$(if $($(PACKAGE)_pre_install),$($(PACKAGE)_pre_install),true); \
$(if $($(PACKAGE)_install), \
$($(PACKAGE)_install), \
$(PACKAGE_MAKE) \
$($(PACKAGE)_install_args) \
install) ; \
$(if $($(PACKAGE)_post_install),$($(PACKAGE)_post_install),true)
install_check_timestamp = \
@$(BUILD_ENV) ; \
inst=$(TIMESTAMP_DIR)/$(INSTALL_TIMESTAMP) ; \
dirs="$(PACKAGE_BUILD_DIR) \
$($(PACKAGE)_install_dependencies)" ; \
if [[ $(call find_newer_fn, $${inst}, $${dirs}, $?) ]]; then \
$(call build_msg_fn,Installing $(PACKAGE)) ; \
$(install_package) ; \
touch $${inst} ; \
else \
$(call build_msg_fn,Installing $(PACKAGE): nothing to do) ; \
fi
.PHONY: %-install
%-install: %-build
$(install_check_timestamp)
######################################################################
# Source code managment
######################################################################
GIT = git
# Maps package name to source directory root.
# Multiple packages may use a single source tree.
# For example, gcc-bootstrap package shares gcc source.
PACKAGE_SOURCE = $(if $($(PACKAGE)_source),$($(PACKAGE)_source),$(PACKAGE))
PACKAGE_SUBDIR = $(if $($(PACKAGE)_configure_subdir),/$($(PACKAGE)_configure_subdir),)
# Use git to download source if directory is not found
find_source_for_package = \
@$(BUILD_ENV) ; \
$(call build_msg_fn,Arch for platform '$(PLATFORM)' is $(ARCH)) ; \
$(call build_msg_fn,Finding source for $(PACKAGE)) ; \
s="$(call find_source_fn,$(PACKAGE_SOURCE))" ; \
[[ -z "$${s}" ]] \
&& $(call build_msg_fn,Package $(PACKAGE) not found with path $(SOURCE_PATH)) \
&& exit 1; \
mk="$(call find_build_data_dir_for_package_fn,$(PACKAGE_SOURCE))/packages/$(PACKAGE).mk"; \
$(call build_msg_fn,Makefile fragment found in $${mk}) ; \
if [ ! -d "$${s}" ] ; then \
d=`dirname $${mk}` ; \
i=`cd $${d}/.. && ($(GIT) config remote.origin.url || \
awk '/URL/ { print $$2; }' .git/remotes/origin)`; \
g=`dirname $${i}` ; \
$(call build_msg_fn,Fetching source: $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s) ; \
if ! $(GIT) clone $${g}/$(PACKAGE_SOURCE) $$s; then \
$(call build_msg_fn,No source for $(PACKAGE) in $${g}); \
exit 1; \
fi ; \
$(call build_msg_fn,Fix file dates in $${g}/$(PACKAGE_SOURCE)) ; \
(cd $${s} ; $(MU_BUILD_ROOT_DIR)/autowank --touch) ; \
fi ; \
s=`cd $${s} && pwd` ; \
$(call build_msg_fn,Source found in $${s})
.PHONY: %-find-source
%-find-source:
$(find_source_for_package)
.PHONY: %-push %-pull %-push-all %-pull-all
%-push %-pull %-push-all %-pull-all:
@$(BUILD_ENV) ; \
push_or_pull=$(patsubst %-all,%,$(subst $(PACKAGE)-,,$@)) ; \
$(call build_msg_fn,Git $${push_or_pull} source for $(PACKAGE)) ; \
s=$(call find_source_fn,$(PACKAGE_SOURCE)) ; \
if [ "x$$s" = "x" ]; then \
$(call build_msg_fn,No source for $(PACKAGE)) ; \
exit 1; \
fi ; \
cd $$s && $(GIT) $${push_or_pull}
# Pull all packages for platform
.PHONY: pull-all
pull-all:
@$(BUILD_ENV) ; \
$(call build_msg_fn,Git pull build system) ; \
for d in $(MU_BUILD_ROOT_DIR) \
$(SOURCE_PATH_BUILD_ROOT_DIRS) \
$(SOURCE_PATH_BUILD_DATA_DIRS); do \
$(call build_msg_fn,Git pull $${d}) ; \
pushd $${d} >& /dev/null && $(GIT) pull && popd >& /dev/null ; \
done ; \
$(call build_msg_fn,Git pull build tools) ; \
$(call tool_make_target_fn,pull-all) ; \
$(call build_msg_fn,Git pull packages for platform $(PLATFORM)) ; \
make PLATFORM=$(PLATFORM) $(patsubst %,%-pull-all,$(ROOT_PACKAGES))
.PHONY: %-diff
%-diff:
@$(BUILD_ENV) ; \
d=$(call find_source_fn,$(PACKAGE_SOURCE)) ; \
$(call build_msg_fn,Git diff $(PACKAGE)) ; \
if [ -d $${d}/.git ] ; then \
cd $${d} && $(GIT) --no-pager diff 2>/dev/null; \
else \
$(call build_msg_fn, $(PACKAGE) not a git directory) ; \
fi
# generate diffs for everything in source path
.PHONY: diff-all
diff-all:
@$(BUILD_ENV) ; \
$(call build_msg_fn,Generate diffs) ; \
for r in $(ABSOLUTE_SOURCE_PATH); do \
for d in $${r}/* ; do \
if [ -d $${d} ] ; then \
$(call build_msg_fn,Git diff $${d}) ; \
if [ -d $${d}/.git ] ; then \
cd $${d} && $(GIT) --no-pager diff 2>/dev/null; \
else \
$(call build_msg_fn, $${d} not a git directory) ; \
fi ; \
fi ; \
done ; \
done
######################################################################
# System images
######################################################################
IMAGE_DIR = $(MU_BUILD_ROOT_DIR)/image-$(PLATFORM)
# Reports shared libraries in given directory
find_shared_libs_fn = \
find $(1) \
-maxdepth 1 \
-regex '.*/lib[a-z0-9_]+\+?\+?.so' \
-o -regex '.*/lib[a-z0-9_]+-[0-9.]+\+?\+?.so' \
-o -regex '.*/lib[a-z0-9_]+\+?\+?.so.[0-9.]+'
# By default pick up files from binary directories and /etc.
# Also include shared libraries.
DEFAULT_IMAGE_INCLUDE = \
for d in bin sbin libexec \
usr/bin usr/sbin usr/libexec \
etc; do \
[[ -d $$d ]] && echo $$d; \
done ; \
[[ -d $(arch_lib_dir) ]] \
&& $(call find_shared_libs_fn,$(arch_lib_dir))
# Define any shell functions needed by install scripts
image_install_functions = \
$(foreach p,$(ALL_PACKAGES), \
$(if $($(p)_image_install_functions), \
$($(p)_image_install_functions)))
# Should always be over-written by temp dir in %-root-image rule
IMAGE_INSTALL_DIR = $(error you need to set IMAGE_INSTALL_DIR)
image_install_fn = \
@$(BUILD_ENV) ; \
$(call build_msg_fn,Image-install $(1) for platform $(PLATFORM)) ; \
inst_dir=$(IMAGE_INSTALL_DIR) ; \
mkdir -p $${inst_dir} ; \
cd $(2) ; \
: select files to include in image ; \
image_include_files=" \
`$(call ifdef_fn,$(1)_image_include,$(DEFAULT_IMAGE_INCLUDE)) ; \
echo "" ; \
exit 0 ; `"; \
: select files regexps to exclude from image ; \
image_exclude_files="" ; \
if [ ! -z "$($(1)_image_exclude)" ] ; then \
image_exclude_files="${image_exclude_files} \
$(patsubst %,--exclude=%,$($(1)_image_exclude))" ; \
fi ; \
[[ -z "$${image_include_files}" || $${image_include_files} == " " ]] \
|| tar cf - $${image_include_files} $${image_exclude_files} \
| tar xf - -C $${inst_dir} ; \
: copy files from copyimg directories on source path if present ; \
for build_data_dir in $(SOURCE_PATH_BUILD_DATA_DIRS) ; do \
d="$${build_data_dir}/packages/$(1).copyimg" ; \
if [ -d "$${d}" ] ; then \
env $($(PLATFORM)_copyimg_env) \
$(MU_BUILD_ROOT_DIR)/copyimg $${d} $${inst_dir} ; \
fi ; \
done ; \
: run package dependent install script ; \
$(if $($(1)_image_install), \
$(image_install_functions) \
cd $${inst_dir} ; \
$($(1)_image_install))
.PHONY: %-image_install
%-image_install: %-install
$(call image_install_fn,$(PACKAGE),$(PACKAGE_INSTALL_DIR))
basic_system_image_include = \
$(call ifdef_fn,$(PLATFORM)_basic_system_image_include, \
echo bin/ldd ; \
echo $(arch_lib_dir)/ld*.so* ; \
$(call find_shared_libs_fn, $(arch_lib_dir)))
basic_system_image_install = \
mkdir -p bin lib mnt proc root sbin sys tmp etc ; \
mkdir -p usr usr/{bin,sbin} usr/lib ; \
mkdir -p var var/{lib,lock,log,run,tmp} ; \
mkdir -p var/lock/subsys var/lib/urandom
.PHONY: basic_system-image_install
basic_system-image_install: # linuxrc-install
$(if $(not_native), \
$(call image_install_fn,basic_system,$(TARGET_TOOL_INSTALL_DIR)),)
ROOT_PACKAGES = $(if $($(PLATFORM)_root_packages),$($(PLATFORM)_root_packages),$(default_root_packages))
.PHONY: install-packages
install-packages: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
@$(BUILD_ENV) ; \
set -eu$(BUILD_DEBUG) ; \
d=$(MU_BUILD_ROOT_DIR)/packages-$(PLATFORM) ; \
rm -rf $${d} ; \
mkdir -p $${d}; \
$(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${d} \
$(patsubst %,%-image_install, \
basic_system \
$(ROOT_PACKAGES)) || exit 1; \
$(call build_msg_fn, Relocating ELF executables to run in $${d}) ; \
scripts/set-rpath $${d} $${d}/$(arch_lib_dir) ; \
: strip symbols from files ; \
if [ $${strip_symbols:-no} = 'yes' ] ; then \
$(call build_msg_fn, Stripping symbols from files) ; \
find $${d} -type f \
-exec \
$(TARGET_PREFIX)strip \
--strip-unneeded '{}' ';' \
>& /dev/null ; \
else \
$(call build_msg_fn, NOT stripping symbols) ; \
fi
# readonly root squashfs image
# Note: $(call build_msg_fn) does not seem to work inside of fakeroot so we use echo
.PHONY: ro-image
$(PLATFORM_IMAGE_DIR)/ro.img ro-image: $(patsubst %,%-find-source,$(ROOT_PACKAGES))
@$(BUILD_ENV) ; \
d=$(PLATFORM_IMAGE_DIR) ; \
mkdir -p $$d; \
ro_image=$$d/ro.img ; \
rm -f $${ro_image} ; \
tmp_dir="`mktemp -d $$d/ro-image-XXXXXX`" ; \
chmod 0755 $${tmp_dir} ; \
cd $${tmp_dir} ; \
trap "rm -rf $${tmp_dir}" err ; \
fakeroot /bin/bash -c "{ \
set -eu$(BUILD_DEBUG) ; \
$(MAKE) -C $(MU_BUILD_ROOT_DIR) IMAGE_INSTALL_DIR=$${tmp_dir} \
$(patsubst %,%-image_install, \
basic_system \
$(ROOT_PACKAGES)) ; \
: make dev directory ; \
$(linuxrc_makedev) ; \
echo @@@@ Relocating ELF executables to run in / @@@@ ; \
scripts/set-rpath /$(arch_lib_dir):/lib ; \
: strip symbols from files ; \
if [ '$${strip_symbols:-yes}' = 'yes' ] ; then \
echo @@@@ Stripping symbols from files @@@@ ; \
find $${tmp_dir} -type f \
-exec \
$(TARGET_PREFIX)strip \
--strip-unneeded '{}' ';' \
>& /dev/null ; \
else \
echo @@@@ NOT stripping symbols @@@@ ; \
fi ; \
if [ $${sign_executables:-yes} = 'yes' \
-a -n "$($(PLATFORM)_public_key)" ] ; then \
echo @@@@ Signing executables @@@@ ; \
find $${tmp_dir} -type f \
| xargs sign $($(PLATFORM)_public_key) \
$($(PLATFORM)_private_key_passphrase) ; \
fi ; \
: make read-only file system ; \
mksquashfs \
$${tmp_dir} $${ro_image} \
-no-exports -no-progress -no-recovery ; \
}" ; \
: cleanup tmp directory ; \