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buildroot/package/pkg-generic.mk
Yann E. MORIN ab18cf8327 core/pkg-generic: add support for package-defined help 
Add a package-variable to store the package-specific make rules.

Although this variable would be seldom used, we still document it.
However, we make sure the documentation explicitly states that this
variable should not be used (if it needs to be, the submitter of a
package will be told so during reviews).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-06-07 21:36:04 +02:00

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################################################################################
# Generic package infrastructure
#
# This file implements an infrastructure that eases development of
# package .mk files. It should be used for packages that do not rely
# on a well-known build system for which Buildroot has a dedicated
# infrastructure (so far, Buildroot has special support for
# autotools-based and CMake-based packages).
#
# See the Buildroot documentation for details on the usage of this
# infrastructure
#
# In terms of implementation, this generic infrastructure requires the
# .mk file to specify:
#
# 1. Metadata information about the package: name, version,
# download URL, etc.
#
# 2. Description of the commands to be executed to configure, build
# and install the package
################################################################################
################################################################################
# Helper functions to catch start/end of each step
################################################################################
# Those two functions are called by each step below.
# They are responsible for calling all hooks defined in
# $(GLOBAL_INSTRUMENTATION_HOOKS) and pass each of them
# three arguments:
# $1: either 'start' or 'end'
# $2: the name of the step
# $3: the name of the package
# Start step
# $1: step name
define step_start
$(foreach hook,$(GLOBAL_INSTRUMENTATION_HOOKS),$(call $(hook),start,$(1),$($(PKG)_NAME))$(sep))
endef
# End step
# $1: step name
define step_end
$(foreach hook,$(GLOBAL_INSTRUMENTATION_HOOKS),$(call $(hook),end,$(1),$($(PKG)_NAME))$(sep))
endef
#######################################
# Actual steps hooks
# Time steps
define step_time
printf "%s:%-5.5s:%-20.20s: %s\n" \
"$$(date +%s)" "$(1)" "$(2)" "$(3)" \
>>"$(BUILD_DIR)/build-time.log"
endef
GLOBAL_INSTRUMENTATION_HOOKS += step_time
# Hooks to collect statistics about installed files
# This hook will be called before the target installation of a
# package. We store in a file named .br_filelist_before the list of
# files currently installed in the target. Note that the MD5 is also
# stored, in order to identify if the files are overwritten.
define step_pkg_size_start
(cd $(TARGET_DIR) ; find . -type f -print0 | xargs -0 md5sum) | sort > \
$($(PKG)_DIR)/.br_filelist_before
endef
# This hook will be called after the target installation of a
# package. We store in a file named .br_filelist_after the list of
# files (and their MD5) currently installed in the target. We then do
# a diff with the .br_filelist_before to compute the list of files
# installed by this package.
define step_pkg_size_end
(cd $(TARGET_DIR); find . -type f -print0 | xargs -0 md5sum) | sort > \
$($(PKG)_DIR)/.br_filelist_after
comm -13 $($(PKG)_DIR)/.br_filelist_before $($(PKG)_DIR)/.br_filelist_after | \
while read hash file ; do \
echo "$(1),$${file}" >> $(BUILD_DIR)/packages-file-list.txt ; \
done
endef
define step_pkg_size
$(if $(filter install-target,$(2)),\
$(if $(filter start,$(1)),$(call step_pkg_size_start,$(3))) \
$(if $(filter end,$(1)),$(call step_pkg_size_end,$(3))))
endef
GLOBAL_INSTRUMENTATION_HOOKS += step_pkg_size
# This hook checks that host packages that need libraries that we build
# have a proper DT_RPATH or DT_RUNPATH tag
define check_host_rpath
$(if $(filter install-host,$(2)),\
$(if $(filter end,$(1)),support/scripts/check-host-rpath $(3) $(HOST_DIR)))
endef
GLOBAL_INSTRUMENTATION_HOOKS += check_host_rpath
# User-supplied script
ifneq ($(BR2_INSTRUMENTATION_SCRIPTS),)
define step_user
@$(foreach user_hook, $(BR2_INSTRUMENTATION_SCRIPTS), \
$(EXTRA_ENV) $(user_hook) "$(1)" "$(2)" "$(3)"$(sep))
endef
GLOBAL_INSTRUMENTATION_HOOKS += step_user
endif
################################################################################
# Implicit targets -- produce a stamp file for each step of a package build
################################################################################
# Retrieve the archive
$(BUILD_DIR)/%/.stamp_downloaded:
$(foreach hook,$($(PKG)_PRE_DOWNLOAD_HOOKS),$(call $(hook))$(sep))
# Only show the download message if it isn't already downloaded
$(Q)for p in $($(PKG)_ALL_DOWNLOADS); do \
if test ! -e $(DL_DIR)/`basename $$p` ; then \
$(call MESSAGE,"Downloading") ; \
break ; \
fi ; \
done
$(foreach p,$($(PKG)_ALL_DOWNLOADS),$(call DOWNLOAD,$(p))$(sep))
$(foreach hook,$($(PKG)_POST_DOWNLOAD_HOOKS),$(call $(hook))$(sep))
$(Q)mkdir -p $(@D)
$(Q)touch $@
# Unpack the archive
$(BUILD_DIR)/%/.stamp_extracted:
@$(call step_start,extract)
@$(call MESSAGE,"Extracting")
$(foreach hook,$($(PKG)_PRE_EXTRACT_HOOKS),$(call $(hook))$(sep))
$(Q)mkdir -p $(@D)
$($(PKG)_EXTRACT_CMDS)
# some packages have messed up permissions inside
$(Q)chmod -R +rw $(@D)
$(foreach hook,$($(PKG)_POST_EXTRACT_HOOKS),$(call $(hook))$(sep))
@$(call step_end,extract)
$(Q)touch $@
# Rsync the source directory if the <pkg>_OVERRIDE_SRCDIR feature is
# used.
$(BUILD_DIR)/%/.stamp_rsynced:
@$(call MESSAGE,"Syncing from source dir $(SRCDIR)")
@test -d $(SRCDIR) || (echo "ERROR: $(SRCDIR) does not exist" ; exit 1)
$(foreach hook,$($(PKG)_PRE_RSYNC_HOOKS),$(call $(hook))$(sep))
rsync -au --chmod=u=rwX,go=rX $(RSYNC_VCS_EXCLUSIONS) $(call qstrip,$(SRCDIR))/ $(@D)
$(foreach hook,$($(PKG)_POST_RSYNC_HOOKS),$(call $(hook))$(sep))
$(Q)touch $@
# Patch
#
# The RAWNAME variable is the lowercased package name, which allows to
# find the package directory (typically package/<pkgname>) and the
# prefix of the patches
#
# For BR2_GLOBAL_PATCH_DIR, only generate if it is defined
$(BUILD_DIR)/%/.stamp_patched: PATCH_BASE_DIRS = $(PKGDIR)
$(BUILD_DIR)/%/.stamp_patched: PATCH_BASE_DIRS += $(addsuffix /$(RAWNAME),$(call qstrip,$(BR2_GLOBAL_PATCH_DIR)))
$(BUILD_DIR)/%/.stamp_patched:
@$(call step_start,patch)
@$(call MESSAGE,"Patching")
$(foreach hook,$($(PKG)_PRE_PATCH_HOOKS),$(call $(hook))$(sep))
$(foreach p,$($(PKG)_PATCH),$(APPLY_PATCHES) $(@D) $(DL_DIR) $(notdir $(p))$(sep))
$(Q)( \
for D in $(PATCH_BASE_DIRS); do \
if test -d $${D}; then \
if test -d $${D}/$($(PKG)_VERSION); then \
$(APPLY_PATCHES) $(@D) $${D}/$($(PKG)_VERSION) \*.patch \*.patch.$(ARCH) || exit 1; \
else \
$(APPLY_PATCHES) $(@D) $${D} \*.patch \*.patch.$(ARCH) || exit 1; \
fi; \
fi; \
done; \
)
$(foreach hook,$($(PKG)_POST_PATCH_HOOKS),$(call $(hook))$(sep))
@$(call step_end,patch)
$(Q)touch $@
# Check that all directories specified in BR2_GLOBAL_PATCH_DIR exist.
$(foreach dir,$(call qstrip,$(BR2_GLOBAL_PATCH_DIR)),\
$(if $(wildcard $(dir)),,\
$(error BR2_GLOBAL_PATCH_DIR contains nonexistent directory $(dir))))
# Configure
$(BUILD_DIR)/%/.stamp_configured:
@$(call step_start,configure)
@$(call MESSAGE,"Configuring")
$(foreach hook,$($(PKG)_PRE_CONFIGURE_HOOKS),$(call $(hook))$(sep))
$($(PKG)_CONFIGURE_CMDS)
$(foreach hook,$($(PKG)_POST_CONFIGURE_HOOKS),$(call $(hook))$(sep))
@$(call step_end,configure)
$(Q)touch $@
# Build
$(BUILD_DIR)/%/.stamp_built::
@$(call step_start,build)
@$(call MESSAGE,"Building")
$(foreach hook,$($(PKG)_PRE_BUILD_HOOKS),$(call $(hook))$(sep))
+$($(PKG)_BUILD_CMDS)
$(foreach hook,$($(PKG)_POST_BUILD_HOOKS),$(call $(hook))$(sep))
@$(call step_end,build)
$(Q)touch $@
# Install to host dir
$(BUILD_DIR)/%/.stamp_host_installed:
@$(call step_start,install-host)
@$(call MESSAGE,"Installing to host directory")
$(foreach hook,$($(PKG)_PRE_INSTALL_HOOKS),$(call $(hook))$(sep))
+$($(PKG)_INSTALL_CMDS)
$(foreach hook,$($(PKG)_POST_INSTALL_HOOKS),$(call $(hook))$(sep))
@$(call step_end,install-host)
$(Q)touch $@
# Install to staging dir
#
# Some packages install libtool .la files alongside any installed
# libraries. These .la files sometimes refer to paths relative to the
# sysroot, which libtool will interpret as absolute paths to host
# libraries instead of the target libraries. Since this is not what we
# want, these paths are fixed by prefixing them with $(STAGING_DIR).
# As we configure with --prefix=/usr, this fix needs to be applied to
# any path that starts with /usr.
#
# To protect against the case that the output or staging directories or
# the pre-installed external toolchain themselves are under /usr, we first
# substitute away any occurrences of these directories with @BASE_DIR@,
# @STAGING_DIR@ and @TOOLCHAIN_EXTERNAL_INSTALL_DIR@ respectively.
#
# Note that STAGING_DIR can be outside BASE_DIR when the user sets
# BR2_HOST_DIR to a custom value. Note that TOOLCHAIN_EXTERNAL_INSTALL_DIR
# can be under @BASE_DIR@ when it's a downloaded toolchain, and can be
# empty when we use an internal toolchain.
#
$(BUILD_DIR)/%/.stamp_staging_installed:
@$(call step_start,install-staging)
@$(call MESSAGE,"Installing to staging directory")
$(foreach hook,$($(PKG)_PRE_INSTALL_STAGING_HOOKS),$(call $(hook))$(sep))
+$($(PKG)_INSTALL_STAGING_CMDS)
$(foreach hook,$($(PKG)_POST_INSTALL_STAGING_HOOKS),$(call $(hook))$(sep))
$(Q)if test -n "$($(PKG)_CONFIG_SCRIPTS)" ; then \
$(call MESSAGE,"Fixing package configuration files") ;\
$(SED) "s,$(BASE_DIR),@BASE_DIR@,g" \
-e "s,$(STAGING_DIR),@STAGING_DIR@,g" \
-e "s,^\(exec_\)\?prefix=.*,\1prefix=@STAGING_DIR@/usr,g" \
-e "s,-I/usr/,-I@STAGING_DIR@/usr/,g" \
-e "s,-L/usr/,-L@STAGING_DIR@/usr/,g" \
-e "s,@STAGING_DIR@,$(STAGING_DIR),g" \
-e "s,@BASE_DIR@,$(BASE_DIR),g" \
$(addprefix $(STAGING_DIR)/usr/bin/,$($(PKG)_CONFIG_SCRIPTS)) ;\
fi
@$(call MESSAGE,"Fixing libtool files")
$(Q)find $(STAGING_DIR)/usr/lib* -name "*.la" | xargs --no-run-if-empty \
$(SED) "s:$(BASE_DIR):@BASE_DIR@:g" \
-e "s:$(STAGING_DIR):@STAGING_DIR@:g" \
$(if $(TOOLCHAIN_EXTERNAL_INSTALL_DIR),\
-e "s:$(TOOLCHAIN_EXTERNAL_INSTALL_DIR):@TOOLCHAIN_EXTERNAL_INSTALL_DIR@:g") \
-e "s:\(['= ]\)/usr:\\1@STAGING_DIR@/usr:g" \
$(if $(TOOLCHAIN_EXTERNAL_INSTALL_DIR),\
-e "s:@TOOLCHAIN_EXTERNAL_INSTALL_DIR@:$(TOOLCHAIN_EXTERNAL_INSTALL_DIR):g") \
-e "s:@STAGING_DIR@:$(STAGING_DIR):g" \
-e "s:@BASE_DIR@:$(BASE_DIR):g"
@$(call step_end,install-staging)
$(Q)touch $@
# Install to images dir
$(BUILD_DIR)/%/.stamp_images_installed:
@$(call step_start,install-image)
$(foreach hook,$($(PKG)_PRE_INSTALL_IMAGES_HOOKS),$(call $(hook))$(sep))
@$(call MESSAGE,"Installing to images directory")
+$($(PKG)_INSTALL_IMAGES_CMDS)
$(foreach hook,$($(PKG)_POST_INSTALL_IMAGES_HOOKS),$(call $(hook))$(sep))
@$(call step_end,install-image)
$(Q)touch $@
# Install to target dir
$(BUILD_DIR)/%/.stamp_target_installed:
@$(call step_start,install-target)
@$(call MESSAGE,"Installing to target")
$(foreach hook,$($(PKG)_PRE_INSTALL_TARGET_HOOKS),$(call $(hook))$(sep))
+$($(PKG)_INSTALL_TARGET_CMDS)
$(if $(BR2_INIT_SYSTEMD),\
$($(PKG)_INSTALL_INIT_SYSTEMD))
$(if $(BR2_INIT_SYSV)$(BR2_INIT_BUSYBOX),\
$($(PKG)_INSTALL_INIT_SYSV))
$(foreach hook,$($(PKG)_POST_INSTALL_TARGET_HOOKS),$(call $(hook))$(sep))
$(Q)if test -n "$($(PKG)_CONFIG_SCRIPTS)" ; then \
$(RM) -f $(addprefix $(TARGET_DIR)/usr/bin/,$($(PKG)_CONFIG_SCRIPTS)) ; \
fi
@$(call step_end,install-target)
$(Q)touch $@
# Remove package sources
$(BUILD_DIR)/%/.stamp_dircleaned:
rm -Rf $(@D)
################################################################################
# virt-provides-single -- check that provider-pkg is the declared provider for
# the virtual package virt-pkg
#
# argument 1 is the lower-case name of the virtual package
# argument 2 is the upper-case name of the virtual package
# argument 3 is the lower-case name of the provider
#
# example:
# $(call virt-provides-single,libegl,LIBEGL,rpi-userland)
################################################################################
define virt-provides-single
ifneq ($$(call qstrip,$$(BR2_PACKAGE_PROVIDES_$(2))),$(3))
$$(error Configuration error: both "$(3)" and $$(BR2_PACKAGE_PROVIDES_$(2))\
are selected as providers for virtual package "$(1)". Only one provider can\
be selected at a time. Please fix your configuration)
endif
endef
################################################################################
# inner-generic-package -- generates the make targets needed to build a
# generic package
#
# argument 1 is the lowercase package name
# argument 2 is the uppercase package name, including a HOST_ prefix
# for host packages
# argument 3 is the uppercase package name, without the HOST_ prefix
# for host packages
# argument 4 is the type (target or host)
#
# Note about variable and function references: inside all blocks that are
# evaluated with $(eval), which includes all 'inner-xxx-package' blocks,
# specific rules apply with respect to variable and function references.
# - Numbered variables (parameters to the block) can be referenced with a single
# dollar sign: $(1), $(2), $(3), etc.
# - pkgdir and pkgname should be referenced with a single dollar sign too. These
# functions rely on 'the most recently parsed makefile' which is supposed to
# be the package .mk file. If we defer the evaluation of these functions using
# double dollar signs, then they may be evaluated too late, when other
# makefiles have already been parsed. One specific case is when $$(pkgdir) is
# assigned to a variable using deferred evaluation with '=' and this variable
# is used in a target rule outside the eval'ed inner block. In this case, the
# pkgdir will be that of the last makefile parsed by buildroot, which is not
# the expected value. This mechanism is for example used for the TARGET_PATCH
# rule.
# - All other variables should be referenced with a double dollar sign:
# $$(TARGET_DIR), $$($(2)_VERSION), etc. Also all make functions should be
# referenced with a double dollar sign: $$(subst), $$(call), $$(filter-out),
# etc. This rule ensures that these variables and functions are only expanded
# during the $(eval) step, and not earlier. Otherwise, unintuitive and
# undesired behavior occurs with respect to these variables and functions.
#
################################################################################
define inner-generic-package
# Ensure the package is only declared once, i.e. do not accept that a
# package be re-defined by a br2-external tree
ifneq ($(call strip,$(filter $(1),$(PACKAGES_ALL))),)
$$(error Package '$(1)' defined a second time in '$(pkgdir)'; \
previous definition was in '$$($(2)_PKGDIR)')
endif
PACKAGES_ALL += $(1)
# Define default values for various package-related variables, if not
# already defined. For some variables (version, source, site and
# subdir), if they are undefined, we try to see if a variable without
# the HOST_ prefix is defined. If so, we use such a variable, so that
# this information has only to be specified once, for both the
# target and host packages of a given .mk file.
$(2)_TYPE = $(4)
$(2)_NAME = $(1)
$(2)_RAWNAME = $$(patsubst host-%,%,$(1))
$(2)_PKGDIR = $(pkgdir)
# Keep the package version that may contain forward slashes in the _DL_VERSION
# variable, then replace all forward slashes ('/') by underscores ('_') to
# sanitize the package version that is used in paths, directory and file names.
# Forward slashes may appear in the package's version when pointing to a
# version control system branch or tag, for example remotes/origin/1_10_stable.
# Similar for spaces and colons (:) that may appear in date-based revisions for
# CVS.
ifndef $(2)_VERSION
ifdef $(3)_DL_VERSION
$(2)_DL_VERSION := $$($(3)_DL_VERSION)
else ifdef $(3)_VERSION
$(2)_DL_VERSION := $$($(3)_VERSION)
else
$(2)_DL_VERSION = undefined
endif
else
$(2)_DL_VERSION := $$(strip $$($(2)_VERSION))
endif
$(2)_VERSION := $$(call sanitize,$$($(2)_DL_VERSION))
ifdef $(3)_OVERRIDE_SRCDIR
$(2)_OVERRIDE_SRCDIR ?= $$($(3)_OVERRIDE_SRCDIR)
endif
$(2)_BASE_NAME = $(1)-$$($(2)_VERSION)
$(2)_RAW_BASE_NAME = $$($(2)_RAWNAME)-$$($(2)_VERSION)
$(2)_DL_DIR = $$(DL_DIR)/$$($(2)_BASE_NAME)
$(2)_DIR = $$(BUILD_DIR)/$$($(2)_BASE_NAME)
ifndef $(2)_SUBDIR
ifdef $(3)_SUBDIR
$(2)_SUBDIR = $$($(3)_SUBDIR)
else
$(2)_SUBDIR ?=
endif
endif
ifndef $(2)_STRIP_COMPONENTS
ifdef $(3)_STRIP_COMPONENTS
$(2)_STRIP_COMPONENTS = $$($(3)_STRIP_COMPONENTS)
else
$(2)_STRIP_COMPONENTS ?= 1
endif
endif
$(2)_SRCDIR = $$($(2)_DIR)/$$($(2)_SUBDIR)
$(2)_BUILDDIR ?= $$($(2)_SRCDIR)
ifneq ($$($(2)_OVERRIDE_SRCDIR),)
$(2)_VERSION = custom
endif
ifndef $(2)_SOURCE
ifdef $(3)_SOURCE
$(2)_SOURCE = $$($(3)_SOURCE)
else
$(2)_SOURCE ?= $$($(2)_RAW_BASE_NAME).tar.gz
endif
endif
ifndef $(2)_PATCH
ifdef $(3)_PATCH
$(2)_PATCH = $$($(3)_PATCH)
endif
endif
$(2)_ALL_DOWNLOADS = \
$$(foreach p,$$($(2)_SOURCE) $$($(2)_PATCH) $$($(2)_EXTRA_DOWNLOADS),\
$$(if $$(findstring ://,$$(p)),$$(p),\
$$($(2)_SITE)/$$(p)))
ifndef $(2)_SITE
ifdef $(3)_SITE
$(2)_SITE = $$($(3)_SITE)
endif
endif
ifndef $(2)_SITE_METHOD
ifdef $(3)_SITE_METHOD
$(2)_SITE_METHOD = $$($(3)_SITE_METHOD)
else
# Try automatic detection using the scheme part of the URI
$(2)_SITE_METHOD = $$(call geturischeme,$$($(2)_SITE))
endif
endif
ifeq ($$($(2)_SITE_METHOD),local)
ifeq ($$($(2)_OVERRIDE_SRCDIR),)
$(2)_OVERRIDE_SRCDIR = $$($(2)_SITE)
endif
endif
ifndef $(2)_LICENSE
ifdef $(3)_LICENSE
$(2)_LICENSE = $$($(3)_LICENSE)
endif
endif
$(2)_LICENSE ?= unknown
ifndef $(2)_LICENSE_FILES
ifdef $(3)_LICENSE_FILES
$(2)_LICENSE_FILES = $$($(3)_LICENSE_FILES)
endif
endif
ifndef $(2)_REDISTRIBUTE
ifdef $(3)_REDISTRIBUTE
$(2)_REDISTRIBUTE = $$($(3)_REDISTRIBUTE)
endif
endif
$(2)_REDISTRIBUTE ?= YES
$(2)_REDIST_SOURCES_DIR = $$(REDIST_SOURCES_DIR_$$(call UPPERCASE,$(4)))/$$($(2)_RAW_BASE_NAME)
# When a target package is a toolchain dependency set this variable to
# 'NO' so the 'toolchain' dependency is not added to prevent a circular
# dependency
$(2)_ADD_TOOLCHAIN_DEPENDENCY ?= YES
ifeq ($(4),host)
$(2)_DEPENDENCIES ?= $$(filter-out host-skeleton host-toolchain $(1),\
$$(patsubst host-host-%,host-%,$$(addprefix host-,$$($(3)_DEPENDENCIES))))
endif
ifeq ($(4),target)
ifneq ($(1),skeleton)
$(2)_DEPENDENCIES += skeleton
endif
ifeq ($$($(2)_ADD_TOOLCHAIN_DEPENDENCY),YES)
$(2)_DEPENDENCIES += toolchain
endif
endif
# Eliminate duplicates in dependencies
$(2)_FINAL_DEPENDENCIES = $$(sort $$($(2)_DEPENDENCIES))
$(2)_FINAL_PATCH_DEPENDENCIES = $$(sort $$($(2)_PATCH_DEPENDENCIES))
$(2)_FINAL_ALL_DEPENDENCIES = $$(sort $$($(2)_FINAL_DEPENDENCIES) $$($(2)_FINAL_PATCH_DEPENDENCIES))
$(2)_INSTALL_STAGING ?= NO
$(2)_INSTALL_IMAGES ?= NO
$(2)_INSTALL_TARGET ?= YES
# define sub-target stamps
$(2)_TARGET_INSTALL_TARGET = $$($(2)_DIR)/.stamp_target_installed
$(2)_TARGET_INSTALL_STAGING = $$($(2)_DIR)/.stamp_staging_installed
$(2)_TARGET_INSTALL_IMAGES = $$($(2)_DIR)/.stamp_images_installed
$(2)_TARGET_INSTALL_HOST = $$($(2)_DIR)/.stamp_host_installed
$(2)_TARGET_BUILD = $$($(2)_DIR)/.stamp_built
$(2)_TARGET_CONFIGURE = $$($(2)_DIR)/.stamp_configured
$(2)_TARGET_RSYNC = $$($(2)_DIR)/.stamp_rsynced
$(2)_TARGET_PATCH = $$($(2)_DIR)/.stamp_patched
$(2)_TARGET_EXTRACT = $$($(2)_DIR)/.stamp_extracted
$(2)_TARGET_SOURCE = $$($(2)_DIR)/.stamp_downloaded
$(2)_TARGET_DIRCLEAN = $$($(2)_DIR)/.stamp_dircleaned
# default extract command
$(2)_EXTRACT_CMDS ?= \
$$(if $$($(2)_SOURCE),$$(INFLATE$$(suffix $$($(2)_SOURCE))) $$(DL_DIR)/$$($(2)_SOURCE) | \
$$(TAR) --strip-components=$$($(2)_STRIP_COMPONENTS) \
-C $$($(2)_DIR) \
$$(foreach x,$$($(2)_EXCLUDES),--exclude='$$(x)' ) \
$$(TAR_OPTIONS) -)
# pre/post-steps hooks
$(2)_PRE_DOWNLOAD_HOOKS ?=
$(2)_POST_DOWNLOAD_HOOKS ?=
$(2)_PRE_EXTRACT_HOOKS ?=
$(2)_POST_EXTRACT_HOOKS ?=
$(2)_PRE_RSYNC_HOOKS ?=
$(2)_POST_RSYNC_HOOKS ?=
$(2)_PRE_PATCH_HOOKS ?=
$(2)_POST_PATCH_HOOKS ?=
$(2)_PRE_CONFIGURE_HOOKS ?=
$(2)_POST_CONFIGURE_HOOKS ?=
$(2)_PRE_BUILD_HOOKS ?=
$(2)_POST_BUILD_HOOKS ?=
$(2)_PRE_INSTALL_HOOKS ?=
$(2)_POST_INSTALL_HOOKS ?=
$(2)_PRE_INSTALL_STAGING_HOOKS ?=
$(2)_POST_INSTALL_STAGING_HOOKS ?=
$(2)_PRE_INSTALL_TARGET_HOOKS ?=
$(2)_POST_INSTALL_TARGET_HOOKS ?=
$(2)_PRE_INSTALL_IMAGES_HOOKS ?=
$(2)_POST_INSTALL_IMAGES_HOOKS ?=
$(2)_PRE_LEGAL_INFO_HOOKS ?=
$(2)_POST_LEGAL_INFO_HOOKS ?=
# human-friendly targets and target sequencing
$(1): $(1)-install
ifeq ($$($(2)_TYPE),host)
$(1)-install: $(1)-install-host
else
$(1)-install: $(1)-install-staging $(1)-install-target $(1)-install-images
endif
ifeq ($$($(2)_INSTALL_TARGET),YES)
$(1)-install-target: $$($(2)_TARGET_INSTALL_TARGET)
$$($(2)_TARGET_INSTALL_TARGET): $$($(2)_TARGET_BUILD)
else
$(1)-install-target:
endif
ifeq ($$($(2)_INSTALL_STAGING),YES)
$(1)-install-staging: $$($(2)_TARGET_INSTALL_STAGING)
$$($(2)_TARGET_INSTALL_STAGING): $$($(2)_TARGET_BUILD)
# Some packages use install-staging stuff for install-target
$$($(2)_TARGET_INSTALL_TARGET): $$($(2)_TARGET_INSTALL_STAGING)
else
$(1)-install-staging:
endif
ifeq ($$($(2)_INSTALL_IMAGES),YES)
$(1)-install-images: $$($(2)_TARGET_INSTALL_IMAGES)
$$($(2)_TARGET_INSTALL_IMAGES): $$($(2)_TARGET_BUILD)
else
$(1)-install-images:
endif
$(1)-install-host: $$($(2)_TARGET_INSTALL_HOST)
$$($(2)_TARGET_INSTALL_HOST): $$($(2)_TARGET_BUILD)
$(1)-build: $$($(2)_TARGET_BUILD)
$$($(2)_TARGET_BUILD): $$($(2)_TARGET_CONFIGURE)
# Since $(2)_FINAL_DEPENDENCIES are phony targets, they are always "newer"
# than $(2)_TARGET_CONFIGURE. This would force the configure step (and
# therefore the other steps as well) to be re-executed with every
# invocation of make. Therefore, make $(2)_FINAL_DEPENDENCIES an order-only
# dependency by using |.
$(1)-configure: $$($(2)_TARGET_CONFIGURE)
$$($(2)_TARGET_CONFIGURE): | $$($(2)_FINAL_DEPENDENCIES)
$$($(2)_TARGET_SOURCE) $$($(2)_TARGET_RSYNC): | dirs prepare
ifeq ($$(filter $(1),$$(DEPENDENCIES_HOST_PREREQ)),)
$$($(2)_TARGET_SOURCE) $$($(2)_TARGET_RSYNC): | dependencies
endif
ifeq ($$($(2)_OVERRIDE_SRCDIR),)
# In the normal case (no package override), the sequence of steps is
# source, by downloading
# depends
# extract
# patch
# configure
$$($(2)_TARGET_CONFIGURE): $$($(2)_TARGET_PATCH)
$(1)-patch: $$($(2)_TARGET_PATCH)
$$($(2)_TARGET_PATCH): $$($(2)_TARGET_EXTRACT)
# Order-only dependency
$$($(2)_TARGET_PATCH): | $$(patsubst %,%-patch,$$($(2)_FINAL_PATCH_DEPENDENCIES))
$(1)-extract: $$($(2)_TARGET_EXTRACT)
$$($(2)_TARGET_EXTRACT): $$($(2)_TARGET_SOURCE)
$(1)-depends: $$($(2)_FINAL_DEPENDENCIES)
$(1)-source: $$($(2)_TARGET_SOURCE)
$(1)-source-check:
$$(foreach p,$$($(2)_ALL_DOWNLOADS),$$(call SOURCE_CHECK,$$(p))$$(sep))
$(1)-external-deps:
@for p in $$($(2)_SOURCE) $$($(2)_PATCH) $$($(2)_EXTRA_DOWNLOADS) ; do \
echo `basename $$$$p` ; \
done
else
# In the package override case, the sequence of steps
# source, by rsyncing
# depends
# configure
# Use an order-only dependency so the "<pkg>-clean-for-rebuild" rule
# can remove the stamp file without triggering the configure step.
$$($(2)_TARGET_CONFIGURE): | $$($(2)_TARGET_RSYNC)
$(1)-depends: $$($(2)_FINAL_DEPENDENCIES)
$(1)-patch: $(1)-rsync
$(1)-extract: $(1)-rsync
$(1)-rsync: $$($(2)_TARGET_RSYNC)
$(1)-source:
$(1)-source-check:
test -d $$($(2)_OVERRIDE_SRCDIR)
$(1)-external-deps:
@echo "file://$$($(2)_OVERRIDE_SRCDIR)"
endif
$(1)-show-version:
@echo $$($(2)_VERSION)
$(1)-show-depends:
@echo $$($(2)_FINAL_ALL_DEPENDENCIES)
$(1)-graph-depends: graph-depends-requirements
@$$(INSTALL) -d $$(GRAPHS_DIR)
@cd "$$(CONFIG_DIR)"; \
$$(TOPDIR)/support/scripts/graph-depends $$(BR2_GRAPH_DEPS_OPTS) \
-p $(1) -o $$(GRAPHS_DIR)/$$(@).dot
dot $$(BR2_GRAPH_DOT_OPTS) -T$$(BR_GRAPH_OUT) \
-o $$(GRAPHS_DIR)/$$(@).$$(BR_GRAPH_OUT) \
$$(GRAPHS_DIR)/$$(@).dot
$(1)-all-source: $(1)-source
$(1)-all-source: $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),$$(p)-all-source)
$(1)-all-source-check: $(1)-source-check
$(1)-all-source-check: $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),$$(p)-all-source-check)
$(1)-all-external-deps: $(1)-external-deps
$(1)-all-external-deps: $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),$$(p)-all-external-deps)
$(1)-all-legal-info: $(1)-legal-info
$(1)-all-legal-info: $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),$$(p)-all-legal-info)
$(1)-dirclean: $$($(2)_TARGET_DIRCLEAN)
$(1)-clean-for-reinstall:
ifneq ($$($(2)_OVERRIDE_SRCDIR),)
rm -f $$($(2)_TARGET_RSYNC)
endif
rm -f $$($(2)_TARGET_INSTALL_STAGING)
rm -f $$($(2)_TARGET_INSTALL_TARGET)
rm -f $$($(2)_TARGET_INSTALL_IMAGES)
rm -f $$($(2)_TARGET_INSTALL_HOST)
$(1)-reinstall: $(1)-clean-for-reinstall $(1)
$(1)-clean-for-rebuild: $(1)-clean-for-reinstall
rm -f $$($(2)_TARGET_BUILD)
$(1)-rebuild: $(1)-clean-for-rebuild $(1)
$(1)-clean-for-reconfigure: $(1)-clean-for-rebuild
rm -f $$($(2)_TARGET_CONFIGURE)
$(1)-reconfigure: $(1)-clean-for-reconfigure $(1)
# define the PKG variable for all targets, containing the
# uppercase package variable prefix
$$($(2)_TARGET_INSTALL_TARGET): PKG=$(2)
$$($(2)_TARGET_INSTALL_STAGING): PKG=$(2)
$$($(2)_TARGET_INSTALL_IMAGES): PKG=$(2)
$$($(2)_TARGET_INSTALL_HOST): PKG=$(2)
$$($(2)_TARGET_BUILD): PKG=$(2)
$$($(2)_TARGET_CONFIGURE): PKG=$(2)
$$($(2)_TARGET_RSYNC): SRCDIR=$$($(2)_OVERRIDE_SRCDIR)
$$($(2)_TARGET_RSYNC): PKG=$(2)
$$($(2)_TARGET_PATCH): PKG=$(2)
$$($(2)_TARGET_PATCH): RAWNAME=$$(patsubst host-%,%,$(1))
$$($(2)_TARGET_PATCH): PKGDIR=$(pkgdir)
$$($(2)_TARGET_EXTRACT): PKG=$(2)
$$($(2)_TARGET_SOURCE): PKG=$(2)
$$($(2)_TARGET_SOURCE): PKGDIR=$(pkgdir)
$$($(2)_TARGET_DIRCLEAN): PKG=$(2)
# Compute the name of the Kconfig option that correspond to the
# package being enabled. We handle three cases: the special Linux
# kernel case, the bootloaders case, and the normal packages case.
ifeq ($(1),linux)
$(2)_KCONFIG_VAR = BR2_LINUX_KERNEL
else ifneq ($$(filter boot/% $(BR2_EXTERNAL)/boot/%,$(pkgdir)),)
$(2)_KCONFIG_VAR = BR2_TARGET_$(2)
else ifneq ($$(filter toolchain/% $(BR2_EXTERNAL)/toolchain/%,$(pkgdir)),)
$(2)_KCONFIG_VAR = BR2_$(2)
else
$(2)_KCONFIG_VAR = BR2_PACKAGE_$(2)
endif
# legal-info: declare dependencies and set values used later for the manifest
ifneq ($$($(2)_LICENSE_FILES),)
$(2)_MANIFEST_LICENSE_FILES = $$($(2)_LICENSE_FILES)
endif
$(2)_MANIFEST_LICENSE_FILES ?= not saved
# If the package declares _LICENSE_FILES, we need to extract it,
# for overriden, local or normal remote packages alike, whether
# we want to redistribute it or not.
ifneq ($$($(2)_LICENSE_FILES),)
$(1)-legal-info: $(1)-patch
endif
# We only save the sources of packages we want to redistribute, that are
# non-overriden (local or true override).
ifeq ($$($(2)_REDISTRIBUTE),YES)
ifeq ($$($(2)_OVERRIDE_SRCDIR),)
# Packages that have a tarball need it downloaded beforehand
$(1)-legal-info: $(1)-source $$(REDIST_SOURCES_DIR_$$(call UPPERCASE,$(4)))
endif
endif
# If FOO_ACTUAL_SOURCE_TARBALL is explicitly defined, it means FOO_SOURCE is
# indeed a binary (e.g. external toolchain) and FOO_ACTUAL_SOURCE_TARBALL/_SITE
# point to the actual sources tarball. Use the actual sources for legal-info.
# For most packages the FOO_SITE/FOO_SOURCE pair points to real source code,
# so these are the defaults for FOO_ACTUAL_*.
$(2)_ACTUAL_SOURCE_TARBALL ?= $$($(2)_SOURCE)
$(2)_ACTUAL_SOURCE_SITE ?= $$(call qstrip,$$($(2)_SITE))
# legal-info: produce legally relevant info.
$(1)-legal-info:
# Packages without a source are assumed to be part of Buildroot, skip them.
$$(foreach hook,$$($(2)_PRE_LEGAL_INFO_HOOKS),$$(call $$(hook))$$(sep))
ifneq ($$(call qstrip,$$($(2)_SOURCE)),)
# Save license files if defined
# We save the license files for any kind of package: normal, local,
# overridden, or non-redistributable alike.
# The reason to save license files even for no-redistribute packages
# is that the license still applies to the files distributed as part
# of the rootfs, even if the sources are not themselves redistributed.
ifeq ($$(call qstrip,$$($(2)_LICENSE_FILES)),)
@$$(call legal-license-nofiles,$$($(2)_RAWNAME),$$(call UPPERCASE,$(4)))
@$$(call legal-warning-pkg,$$($(2)_RAWNAME),cannot save license ($(2)_LICENSE_FILES not defined))
else
@$$(foreach F,$$($(2)_LICENSE_FILES),$$(call legal-license-file,$$($(2)_RAWNAME),$$(F),$$($(2)_DIR)/$$(F),$$(call UPPERCASE,$(4)))$$(sep))
endif # license files
ifeq ($$($(2)_SITE_METHOD),local)
# Packages without a tarball: don't save and warn
@$$(call legal-warning-nosource,$$($(2)_RAWNAME),local)
else ifneq ($$($(2)_OVERRIDE_SRCDIR),)
@$$(call legal-warning-nosource,$$($(2)_RAWNAME),override)
else
# Other packages
ifeq ($$($(2)_REDISTRIBUTE),YES)
ifneq ($$($(2)_ACTUAL_SOURCE_TARBALL),$$($(2)_SOURCE))
$$(call DOWNLOAD,$$($(2)_ACTUAL_SOURCE_SITE)/$$($(2)_ACTUAL_SOURCE_TARBALL))
endif
# Save the source tarball
$$(Q)support/scripts/hardlink-or-copy \
$$(DL_DIR)/$$($(2)_ACTUAL_SOURCE_TARBALL) \
$$($(2)_REDIST_SOURCES_DIR)
endif # redistribute
endif # other packages
@$$(call legal-manifest,$$($(2)_RAWNAME),$$($(2)_VERSION),$$($(2)_LICENSE),$$($(2)_MANIFEST_LICENSE_FILES),$$($(2)_ACTUAL_SOURCE_TARBALL),$$($(2)_ACTUAL_SOURCE_SITE),$$(call UPPERCASE,$(4)))
endif # ifneq ($$(call qstrip,$$($(2)_SOURCE)),)
$$(foreach hook,$$($(2)_POST_LEGAL_INFO_HOOKS),$$(call $$(hook))$$(sep))
# add package to the general list of targets if requested by the buildroot
# configuration
ifeq ($$($$($(2)_KCONFIG_VAR)),y)
# Ensure the calling package is the declared provider for all the virtual
# packages it claims to be an implementation of.
ifneq ($$($(2)_PROVIDES),)
$$(foreach pkg,$$($(2)_PROVIDES),\
$$(eval $$(call virt-provides-single,$$(pkg),$$(call UPPERCASE,$$(pkg)),$(1))$$(sep)))
endif
# Ensure unified variable name conventions between all packages Some
# of the variables are used by more than one infrastructure; so,
# rather than duplicating the checks in each infrastructure, we check
# all variables here in pkg-generic, even though pkg-generic should
# have no knowledge of infra-specific variables.
$(eval $(call check-deprecated-variable,$(2)_MAKE_OPT,$(2)_MAKE_OPTS))
$(eval $(call check-deprecated-variable,$(2)_INSTALL_OPT,$(2)_INSTALL_OPTS))
$(eval $(call check-deprecated-variable,$(2)_INSTALL_TARGET_OPT,$(2)_INSTALL_TARGET_OPTS))
$(eval $(call check-deprecated-variable,$(2)_INSTALL_STAGING_OPT,$(2)_INSTALL_STAGING_OPTS))
$(eval $(call check-deprecated-variable,$(2)_INSTALL_HOST_OPT,$(2)_INSTALL_HOST_OPTS))
$(eval $(call check-deprecated-variable,$(2)_AUTORECONF_OPT,$(2)_AUTORECONF_OPTS))
$(eval $(call check-deprecated-variable,$(2)_CONF_OPT,$(2)_CONF_OPTS))
$(eval $(call check-deprecated-variable,$(2)_BUILD_OPT,$(2)_BUILD_OPTS))
$(eval $(call check-deprecated-variable,$(2)_GETTEXTIZE_OPT,$(2)_GETTEXTIZE_OPTS))
$(eval $(call check-deprecated-variable,$(2)_KCONFIG_OPT,$(2)_KCONFIG_OPTS))
PACKAGES += $(1)
ifneq ($$($(2)_PERMISSIONS),)
PACKAGES_PERMISSIONS_TABLE += $$($(2)_PERMISSIONS)$$(sep)
endif
ifneq ($$($(2)_DEVICES),)
PACKAGES_DEVICES_TABLE += $$($(2)_DEVICES)$$(sep)
endif
ifneq ($$($(2)_USERS),)
PACKAGES_USERS += $$($(2)_USERS)$$(sep)
endif
ifeq ($$($(2)_SITE_METHOD),svn)
DL_TOOLS_DEPENDENCIES += svn
else ifeq ($$($(2)_SITE_METHOD),git)
DL_TOOLS_DEPENDENCIES += git
else ifeq ($$($(2)_SITE_METHOD),bzr)
DL_TOOLS_DEPENDENCIES += bzr
else ifeq ($$($(2)_SITE_METHOD),scp)
DL_TOOLS_DEPENDENCIES += scp ssh
else ifeq ($$($(2)_SITE_METHOD),hg)
DL_TOOLS_DEPENDENCIES += hg
else ifeq ($$($(2)_SITE_METHOD),cvs)
DL_TOOLS_DEPENDENCIES += cvs
endif # SITE_METHOD
# $(firstword) is used here because the extractor can have arguments, like
# ZCAT="gzip -d -c", and to check for the dependency we only want 'gzip'.
# Do not add xzcat to the list of required dependencies, as it gets built
# automatically if it isn't found.
ifneq ($$(call suitable-extractor,$$($(2)_SOURCE)),$$(XZCAT))
DL_TOOLS_DEPENDENCIES += $$(firstword $$(call suitable-extractor,$$($(2)_SOURCE)))
endif
# Ensure all virtual targets are PHONY. Listed alphabetically.
.PHONY: $(1) \
$(1)-all-external-deps \
$(1)-all-legal-info \
$(1)-all-source \
$(1)-all-source-check \
$(1)-build \
$(1)-clean-for-rebuild \
$(1)-clean-for-reconfigure \
$(1)-clean-for-reinstall \
$(1)-configure \
$(1)-depends \
$(1)-dirclean \
$(1)-external-deps \
$(1)-extract \
$(1)-graph-depends \
$(1)-install \
$(1)-install-host \
$(1)-install-images \
$(1)-install-staging \
$(1)-install-target \
$(1)-legal-info \
$(1)-patch \
$(1)-rebuild \
$(1)-reconfigure \
$(1)-reinstall \
$(1)-rsync \
$(1)-show-depends \
$(1)-show-version \
$(1)-source \
$(1)-source-check
ifeq ($$(patsubst %/,ERROR,$$($(2)_SITE)),ERROR)
$$(error $(2)_SITE ($$($(2)_SITE)) cannot have a trailing slash)
endif
ifneq ($$($(2)_HELP_CMDS),)
HELP_PACKAGES += $(2)
endif
endif # $(2)_KCONFIG_VAR
endef # inner-generic-package
################################################################################
# generic-package -- the target generator macro for generic packages
################################################################################
# In the case of target packages, keep the package name "pkg"
generic-package = $(call inner-generic-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
# In the case of host packages, turn the package name "pkg" into "host-pkg"
host-generic-package = $(call inner-generic-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
# :mode=makefile:
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