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kumquat-buildroot/package/pkg-generic.mk
Yann E. MORIN 1f6b283dd9 package/pkg-*.mk: do not conditionally set empty variables 
Setting an unset variable to an empty value is useless in make; an unset
variable just expands to an empty string anyway. So what we do currently
has no side effect:

    variable set and not empty   -> variable not modified
    variable set and empty       -> variable not modified
    variable unset               -> set to an empty string

However, additional variables do have an impact on the parsing time of
the Makefiles, and the more variables, the more collisions in the hash
table used internally by make, which slows down the parsing.

By dropping those conditionally-set-empty variables, we gain about 3%:

    Run     Before  After
    1       5.572   5.325
    2       5.434   5.354
    3       5.490   5.320
    4       5.525   5.330
    5       5.476   5.330
    6       5.511   5.434
    7       5.498   5.388
    8       5.524   5.371
    9       5.479   5.346
    10      5.637   5.324
    Mean:   5.515   5.352

Yeah, 0.163s does not look like much, and this does not make
autocompletion any more usable. Still, that 3% gain is not to be
ashamed of either.

Note that there are 3 others case where we do set empty variables, but
those are unconditional and serve other purposes:

  - pkg-virtual: this is done on purpose to avoid a bug when the
    environment may have TOOLCHAIN_VERSION or _SOURCE set, and we really
    want those to be empty, so the assignment is not conditional;

  - pkg-python: the reason for setting those to empty is dubious at
    best; it's been there since the inception of the python infra, back
    in 2013; still, the case is different than this patch addresses;

  - pkg-toolchain-external: this is the case for a toolchain already
    installed, so indeed we want to set _SOURCE and _VERSION to empty.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2021-12-30 21:30:08 +01:00

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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.%N)" "$(1)" "$(2)" "$(3)" \
>>"$(BUILD_DIR)/build-time.log"
endef
GLOBAL_INSTRUMENTATION_HOOKS += step_time
# 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) $(PER_PACKAGE_DIR)))
endef
GLOBAL_INSTRUMENTATION_HOOKS += check_host_rpath
define step_check_build_dir_one
if [ -d $(2) ]; then \
printf "%s: installs files in %s\n" $(1) $(2) >&2; \
exit 1; \
fi
endef
define step_check_build_dir
$(if $(filter install-staging,$(2)),\
$(if $(filter end,$(1)),$(call step_check_build_dir_one,$(3),$(STAGING_DIR)/$(O))))
$(if $(filter install-target,$(2)),\
$(if $(filter end,$(1)),$(call step_check_build_dir_one,$(3),$(TARGET_DIR)/$(O))))
endef
GLOBAL_INSTRUMENTATION_HOOKS += step_check_build_dir
# 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
#######################################
# Helper functions
# Make sure .la files only reference the current per-package
# directory.
# $1: package name (lower case)
# $2: staging directory of the package
ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
define fixup-libtool-files
$(Q)find $(2) \( -path '$(2)/lib*' -o -path '$(2)/usr/lib*' \) \
-name "*.la" -print0 | xargs -0 --no-run-if-empty \
$(SED) "s:$(PER_PACKAGE_DIR)/[^/]\+/:$(PER_PACKAGE_DIR)/$(1)/:g"
endef
endif
# Make sure python _sysconfigdata*.py files only reference the current
# per-package directory.
#
# Can't use $(foreach d, $(HOST_DIR)/lib/python* $(STAGING_DIR)/usr/lib/python*, ...)
# because those directories may be created in the same recipe this macro will
# be expanded in.
# Additionally, either or both may be missing, which would make find whine and
# fail.
# So we just use HOST_DIR as a starting point, and filter on the two directories
# of interest.
ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
define FIXUP_PYTHON_SYSCONFIGDATA
$(Q)find $(HOST_DIR) \
\( -path '$(HOST_DIR)/lib/python*' \
-o -path '$(STAGING_DIR)/usr/lib/python*' \
\) \
\( \( -name "_sysconfigdata*.pyc" -delete \) \
-o \( -name "_sysconfigdata*.py" -print0 \) \
\) \
| xargs -0 --no-run-if-empty \
$(SED) 's:$(PER_PACKAGE_DIR)/[^/]\+/:$(PER_PACKAGE_DIR)/$($(PKG)_NAME)/:g'
endef
endif
# Functions to collect statistics about installed files
# $(1): base directory to search in
# $(2): suffix of file (optional)
define pkg_size_before
cd $(1); \
LC_ALL=C find . -not -path './$(STAGING_SUBDIR)/*' \( -type f -o -type l \) -printf '%T@:%i:%#m:%y:%s,%p\n' \
| LC_ALL=C sort > $($(PKG)_DIR)/.files-list$(2).before
endef
# $(1): base directory to search in
# $(2): suffix of file (optional)
define pkg_size_after
cd $(1); \
LC_ALL=C find . -not -path './$(STAGING_SUBDIR)/*' \( -type f -o -type l \) -printf '%T@:%i:%#m:%y:%s,%p\n' \
| LC_ALL=C sort > $($(PKG)_DIR)/.files-list$(2).after
LC_ALL=C comm -13 \
$($(PKG)_DIR)/.files-list$(2).before \
$($(PKG)_DIR)/.files-list$(2).after \
| sed -r -e 's/^[^,]+/$($(PKG)_NAME)/' \
> $($(PKG)_DIR)/.files-list$(2).txt
rm -f $($(PKG)_DIR)/.files-list$(2).before
rm -f $($(PKG)_DIR)/.files-list$(2).after
endef
define check_bin_arch
support/scripts/check-bin-arch -p $($(PKG)_NAME) \
-l $($(PKG)_DIR)/.files-list.txt \
$(foreach i,$($(PKG)_BIN_ARCH_EXCLUDE),-i "$(i)") \
-r $(TARGET_READELF) \
-a $(BR2_READELF_ARCH_NAME)
endef
# Functions to remove conflicting and useless files
# $1: base directory (target, staging, host)
define remove-conflicting-useless-files
$(if $(strip $($(PKG)_DROP_FILES_OR_DIRS)),
$(Q)$(RM) -rf $(patsubst %, $(1)%, $($(PKG)_DROP_FILES_OR_DIRS)))
endef
define REMOVE_CONFLICTING_USELESS_FILES_IN_HOST
$(call remove-conflicting-useless-files,$(HOST_DIR))
endef
define REMOVE_CONFLICTING_USELESS_FILES_IN_STAGING
$(call remove-conflicting-useless-files,$(STAGING_DIR))
endef
define REMOVE_CONFLICTING_USELESS_FILES_IN_TARGET
$(call remove-conflicting-useless-files,$(TARGET_DIR))
endef
################################################################################
# Implicit targets -- produce a stamp file for each step of a package build
################################################################################
# Retrieve the archive
$(BUILD_DIR)/%/.stamp_downloaded:
@$(call step_start,download)
$(call prepare-per-package-directory,$($(PKG)_FINAL_DOWNLOAD_DEPENDENCIES))
$(foreach hook,$($(PKG)_PRE_DOWNLOAD_HOOKS),$(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 $($(PKG)_DL_DIR)/`basename $$p` ; then \
$(call MESSAGE,"Downloading") ; \
break ; \
fi ; \
done
$(foreach p,$($(PKG)_ALL_DOWNLOADS),$(call DOWNLOAD,$(p),$(PKG))$(sep))
$(foreach hook,$($(PKG)_POST_DOWNLOAD_HOOKS),$(call $(hook))$(sep))
$(Q)mkdir -p $(@D)
@$(call step_end,download)
$(Q)touch $@
# Retrieve actual source archive, e.g. for prebuilt external toolchains
$(BUILD_DIR)/%/.stamp_actual_downloaded:
@$(call step_start,actual-download)
$(call DOWNLOAD,$($(PKG)_ACTUAL_SOURCE_SITE)/$($(PKG)_ACTUAL_SOURCE_TARBALL),$(PKG))
$(Q)mkdir -p $(@D)
@$(call step_end,actual-download)
$(Q)touch $@
# Unpack the archive
$(BUILD_DIR)/%/.stamp_extracted:
@$(call step_start,extract)
@$(call MESSAGE,"Extracting")
$(call prepare-per-package-directory,$($(PKG)_FINAL_EXTRACT_DEPENDENCIES))
$(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 step_start,rsync)
@$(call MESSAGE,"Syncing from source dir $(SRCDIR)")
@mkdir -p $(@D)
$(foreach hook,$($(PKG)_PRE_RSYNC_HOOKS),$(call $(hook))$(sep))
@test -d $(SRCDIR) || (echo "ERROR: $(SRCDIR) does not exist" ; exit 1)
rsync -au --chmod=u=rwX,go=rX $($(PKG)_OVERRIDE_SRCDIR_RSYNC_EXCLUSIONS) $(RSYNC_VCS_EXCLUSIONS) $(call qstrip,$(SRCDIR))/ $(@D)
$(foreach hook,$($(PKG)_POST_RSYNC_HOOKS),$(call $(hook))$(sep))
@$(call step_end,rsync)
$(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) $($(PKG)_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")
$(Q)mkdir -p $(HOST_DIR) $(TARGET_DIR) $(STAGING_DIR) $(BINARIES_DIR)
$(call prepare-per-package-directory,$($(PKG)_FINAL_DEPENDENCIES))
@$(call pkg_size_before,$(TARGET_DIR))
@$(call pkg_size_before,$(STAGING_DIR),-staging)
@$(call pkg_size_before,$(BINARIES_DIR),-images)
@$(call pkg_size_before,$(HOST_DIR),-host)
$(call fixup-libtool-files,$(NAME),$(HOST_DIR))
$(call fixup-libtool-files,$(NAME),$(STAGING_DIR))
$(foreach hook,$($(PKG)_POST_PREPARE_HOOKS),$(call $(hook))$(sep))
$(foreach hook,$($(PKG)_PRE_CONFIGURE_HOOKS),$(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") ;\
$(SED) "s,$(HOST_DIR),@HOST_DIR@,g" \
-e "s,$(BASE_DIR),@BASE_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@,$$(dirname $$(readlink -e $$0))/../..,g' \
-e 's,@HOST_DIR@,$$(dirname $$(readlink -e $$0))/../../../..,g' \
-e "s,@BASE_DIR@,$(BASE_DIR),g" \
$(addprefix $(STAGING_DIR)/usr/bin/,$($(PKG)_CONFIG_SCRIPTS)) ;\
fi
@$(call MESSAGE,"Fixing libtool files")
for la in $$(find $(STAGING_DIR)/usr/lib* -name "*.la"); do \
cp -a "$${la}" "$${la}.fixed" && \
$(SED) "s:$(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" \
-e "s:\(['= ]\)/lib:\\1@STAGING_DIR@/lib: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" \
"$${la}.fixed" && \
if cmp -s "$${la}" "$${la}.fixed"; then \
rm -f "$${la}.fixed"; \
else \
mv "$${la}.fixed" "$${la}"; \
fi || exit 1; \
done
@$(call step_end,install-staging)
$(Q)touch $@
# Install to images dir
$(BUILD_DIR)/%/.stamp_images_installed:
@$(call step_start,install-image)
@$(call MESSAGE,"Installing to images directory")
$(foreach hook,$($(PKG)_PRE_INSTALL_IMAGES_HOOKS),$(call $(hook))$(sep))
+$($(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))
$(if $(BR2_INIT_OPENRC), \
$(or $($(PKG)_INSTALL_INIT_OPENRC), \
$($(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 $@
# Final installation step, completed when all installation steps
# (host, images, staging, target) have completed
$(BUILD_DIR)/%/.stamp_installed:
@$(call pkg_size_after,$(TARGET_DIR))
@$(call pkg_size_after,$(STAGING_DIR),-staging)
@$(call pkg_size_after,$(BINARIES_DIR),-images)
@$(call pkg_size_after,$(HOST_DIR),-host)
@$(call check_bin_arch)
$(Q)touch $@
# Remove package sources
$(BUILD_DIR)/%/.stamp_dircleaned:
$(if $(BR2_PER_PACKAGE_DIRECTORIES),rm -Rf $(PER_PACKAGE_DIR)/$(NAME))
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
define pkg-graph-depends
@$$(INSTALL) -d $$(GRAPHS_DIR)
@cd "$$(CONFIG_DIR)"; \
$$(TOPDIR)/support/scripts/graph-depends $$(BR2_GRAPH_DEPS_OPTS) \
-p $(1) $(2) -o $$(GRAPHS_DIR)/$$(@).dot
dot $$(BR2_GRAPH_DOT_OPTS) -T$$(BR_GRAPH_OUT) \
-o $$(GRAPHS_DIR)/$$(@).$$(BR_GRAPH_OUT) \
$$(GRAPHS_DIR)/$$(@).dot
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
# When doing a package, we're definitely not doing a rootfs, but we
# may inherit it via the dependency chain, so we reset it.
$(1): ROOTFS=
# Ensure the package is only declared once, i.e. do not accept that a
# package be re-defined by a br2-external tree
ifneq ($(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 := $$($(3)_VERSION)
endif
else
$(2)_DL_VERSION := $$(strip $$($(2)_VERSION))
endif
$(2)_VERSION := $$(call sanitize,$$($(2)_DL_VERSION))
$(2)_HASH_FILE = \
$$(strip \
$$(if $$(wildcard $$($(2)_PKGDIR)/$$($(2)_VERSION)/$$($(2)_RAWNAME).hash),\
$$($(2)_PKGDIR)/$$($(2)_VERSION)/$$($(2)_RAWNAME).hash,\
$$($(2)_PKGDIR)/$$($(2)_RAWNAME).hash))
ifdef $(3)_OVERRIDE_SRCDIR
$(2)_OVERRIDE_SRCDIR ?= $$($(3)_OVERRIDE_SRCDIR)
endif
$(2)_BASENAME = $$(if $$($(2)_VERSION),$(1)-$$($(2)_VERSION),$(1))
$(2)_BASENAME_RAW = $$(if $$($(2)_VERSION),$$($(2)_RAWNAME)-$$($(2)_VERSION),$$($(2)_RAWNAME))
$(2)_DL_SUBDIR ?= $$($(2)_RAWNAME)
$(2)_DL_DIR = $$(DL_DIR)/$$($(2)_DL_SUBDIR)
$(2)_DIR = $$(BUILD_DIR)/$$($(2)_BASENAME)
ifndef $(2)_SUBDIR
ifdef $(3)_SUBDIR
$(2)_SUBDIR = $$($(3)_SUBDIR)
endif
endif
ifndef $(2)_STRIP_COMPONENTS
ifdef $(3)_STRIP_COMPONENTS
$(2)_STRIP_COMPONENTS = $$($(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 = $$($(3)_SOURCE)
else ifdef $(2)_VERSION
$(2)_SOURCE ?= $$($(2)_BASENAME_RAW)$$(call pkg_source_ext,$(2))
endif
endif
# If FOO_ACTUAL_SOURCE_TARBALL is explicitly defined, it means FOO_SOURCE is
# indeed a binary (e.g. external toolchain) and FOO_ACTUAL_SOURCE_TARBALL/_SITE
# point to the actual sources tarball. Use the actual sources for legal-info.
# For most packages the FOO_SITE/FOO_SOURCE pair points to real source code,
# so these are the defaults for FOO_ACTUAL_*.
$(2)_ACTUAL_SOURCE_TARBALL ?= $$($(2)_SOURCE)
$(2)_ACTUAL_SOURCE_SITE ?= $$(call qstrip,$$($(2)_SITE))
ifndef $(2)_PATCH
ifdef $(3)_PATCH
$(2)_PATCH = $$($(3)_PATCH)
endif
endif
$(2)_ALL_DOWNLOADS = \
$$(if $$($(2)_SOURCE),$$($(2)_SITE_METHOD)+$$($(2)_SITE)/$$($(2)_SOURCE)) \
$$(foreach p,$$($(2)_PATCH) $$($(2)_EXTRA_DOWNLOADS),\
$$(if $$(findstring ://,$$(p)),$$(p),\
$$($(2)_SITE_METHOD)+$$($(2)_SITE)/$$(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
ifndef $(2)_DL_OPTS
ifdef $(3)_DL_OPTS
$(2)_DL_OPTS = $$($(3)_DL_OPTS)
endif
endif
ifneq ($$(filter bzr cvs hg,$$($(2)_SITE_METHOD)),)
BR_NO_CHECK_HASH_FOR += $$($(2)_SOURCE)
endif
ifndef $(2)_GIT_SUBMODULES
ifdef $(3)_GIT_SUBMODULES
$(2)_GIT_SUBMODULES = $$($(3)_GIT_SUBMODULES)
endif
endif
# Do not accept to download git submodule if not using the git method
ifneq ($$($(2)_GIT_SUBMODULES),)
ifneq ($$($(2)_SITE_METHOD),git)
$$(error $(2) declares having git sub-modules, but does not use the \
'git' method (uses '$$($(2)_SITE_METHOD)' instead))
endif
endif
ifeq ($$($(2)_SITE_METHOD),local)
ifeq ($$($(2)_OVERRIDE_SRCDIR),)
$(2)_OVERRIDE_SRCDIR = $$($(2)_SITE)
endif
ifeq ($$($(2)_OVERRIDE_SRCDIR),)
$$(error $(1) has local site method, but `$(2)_SITE` is not defined)
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)_BASENAME_RAW)
# If any of the <pkg>_CPE_ID_* variables are set, we assume the CPE ID
# information is valid for this package.
ifneq ($$($(2)_CPE_ID_VENDOR)$$($(2)_CPE_ID_PRODUCT)$$($(2)_CPE_ID_VERSION)$$($(2)_CPE_ID_UPDATE)$$($(2)_CPE_ID_PREFIX),)
$(2)_CPE_ID_VALID = YES
endif
# When we're a host package, make sure to use the variables of the
# corresponding target package, if any.
ifneq ($$($(3)_CPE_ID_VENDOR)$$($(3)_CPE_ID_PRODUCT)$$($(3)_CPE_ID_VERSION)$$($(3)_CPE_ID_UPDATE)$$($(3)_CPE_ID_PREFIX),)
$(2)_CPE_ID_VALID = YES
endif
# If the CPE ID is valid for the target package so it is for the host
# package
ifndef $(2)_CPE_ID_VALID
ifdef $(3)_CPE_ID_VALID
$(2)_CPE_ID_VALID = $$($(3)_CPE_ID_VALID)
endif
endif
ifeq ($$($(2)_CPE_ID_VALID),YES)
# CPE_ID_VENDOR
ifndef $(2)_CPE_ID_VENDOR
ifdef $(3)_CPE_ID_VENDOR
$(2)_CPE_ID_VENDOR = $$($(3)_CPE_ID_VENDOR)
else
$(2)_CPE_ID_VENDOR = $$($(2)_RAWNAME)_project
endif
endif
# CPE_ID_PRODUCT
ifndef $(2)_CPE_ID_PRODUCT
ifdef $(3)_CPE_ID_PRODUCT
$(2)_CPE_ID_PRODUCT = $$($(3)_CPE_ID_PRODUCT)
else
$(2)_CPE_ID_PRODUCT = $$($(2)_RAWNAME)
endif
endif
# CPE_ID_VERSION
ifndef $(2)_CPE_ID_VERSION
ifdef $(3)_CPE_ID_VERSION
$(2)_CPE_ID_VERSION = $$($(3)_CPE_ID_VERSION)
else
$(2)_CPE_ID_VERSION = $$($(2)_VERSION)
endif
endif
# CPE_ID_UPDATE
ifndef $(2)_CPE_ID_UPDATE
ifdef $(3)_CPE_ID_UPDATE
$(2)_CPE_ID_UPDATE = $$($(3)_CPE_ID_UPDATE)
else
$(2)_CPE_ID_UPDATE = *
endif
endif
# CPE_ID_PREFIX
ifndef $(2)_CPE_ID_PREFIX
ifdef $(3)_CPE_ID_PREFIX
$(2)_CPE_ID_PREFIX = $$($(3)_CPE_ID_PREFIX)
else
$(2)_CPE_ID_PREFIX = cpe:2.3:a
endif
endif
# Calculate complete CPE ID
$(2)_CPE_ID = $$($(2)_CPE_ID_PREFIX):$$($(2)_CPE_ID_VENDOR):$$($(2)_CPE_ID_PRODUCT):$$($(2)_CPE_ID_VERSION):$$($(2)_CPE_ID_UPDATE):*:*:*:*:*:*
endif # ifeq ($$($(2)_CPE_ID_VALID),YES)
# 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.
# Similarly for the skeleton.
$(2)_ADD_TOOLCHAIN_DEPENDENCY ?= YES
$(2)_ADD_SKELETON_DEPENDENCY ?= YES
ifeq ($(4),target)
ifeq ($$($(2)_ADD_SKELETON_DEPENDENCY),YES)
$(2)_DEPENDENCIES += skeleton
endif
ifeq ($$($(2)_ADD_TOOLCHAIN_DEPENDENCY),YES)
$(2)_DEPENDENCIES += toolchain
endif
endif
ifneq ($(1),host-skeleton)
$(2)_DEPENDENCIES += host-skeleton
endif
ifneq ($$(filter cvs git svn,$$($(2)_SITE_METHOD)),)
$(2)_DOWNLOAD_DEPENDENCIES += \
$(BR2_GZIP_HOST_DEPENDENCY) \
$(BR2_TAR_HOST_DEPENDENCY)
endif
ifeq ($$(filter host-tar host-skeleton host-fakedate,$(1)),)
$(2)_EXTRACT_DEPENDENCIES += $$(BR2_TAR_HOST_DEPENDENCY)
endif
ifeq ($$(filter host-tar host-skeleton host-xz host-lzip host-fakedate,$(1)),)
$(2)_EXTRACT_DEPENDENCIES += \
$$(foreach dl,$$($(2)_ALL_DOWNLOADS),\
$$(call extractor-pkg-dependency,$$(notdir $$(dl))))
endif
ifeq ($$(BR2_CCACHE),y)
ifeq ($$(filter host-tar host-skeleton host-xz host-lzip host-fakedate host-ccache,$(1)),)
$(2)_DEPENDENCIES += host-ccache
endif
endif
ifeq ($$(BR2_REPRODUCIBLE),y)
ifeq ($$(filter host-skeleton host-fakedate,$(1)),)
$(2)_DEPENDENCIES += host-fakedate
endif
endif
# Eliminate duplicates in dependencies
$(2)_FINAL_DEPENDENCIES = $$(sort $$($(2)_DEPENDENCIES))
$(2)_FINAL_DOWNLOAD_DEPENDENCIES = $$(sort $$($(2)_DOWNLOAD_DEPENDENCIES))
$(2)_FINAL_EXTRACT_DEPENDENCIES = $$(sort $$($(2)_EXTRACT_DEPENDENCIES))
$(2)_FINAL_PATCH_DEPENDENCIES = $$(sort $$($(2)_PATCH_DEPENDENCIES))
$(2)_FINAL_ALL_DEPENDENCIES = \
$$(sort \
$$($(2)_FINAL_DEPENDENCIES) \
$$($(2)_FINAL_DOWNLOAD_DEPENDENCIES) \
$$($(2)_FINAL_EXTRACT_DEPENDENCIES) \
$$($(2)_FINAL_PATCH_DEPENDENCIES))
$(2)_FINAL_RECURSIVE_DEPENDENCIES = $$(sort \
$$(if $$(filter undefined,$$(origin $(2)_FINAL_RECURSIVE_DEPENDENCIES__X)), \
$$(eval $(2)_FINAL_RECURSIVE_DEPENDENCIES__X := \
$$(foreach p, \
$$($(2)_FINAL_ALL_DEPENDENCIES), \
$$(p) \
$$($$(call UPPERCASE,$$(p))_FINAL_RECURSIVE_DEPENDENCIES) \
) \
) \
) \
$$($(2)_FINAL_RECURSIVE_DEPENDENCIES__X))
$(2)_FINAL_RECURSIVE_RDEPENDENCIES = $$(sort \
$$(if $$(filter undefined,$$(origin $(2)_FINAL_RECURSIVE_RDEPENDENCIES__X)), \
$$(eval $(2)_FINAL_RECURSIVE_RDEPENDENCIES__X := \
$$(foreach p, \
$$($(2)_RDEPENDENCIES), \
$$(p) \
$$($$(call UPPERCASE,$$(p))_FINAL_RECURSIVE_RDEPENDENCIES) \
) \
) \
) \
$$($(2)_FINAL_RECURSIVE_RDEPENDENCIES__X))
# define sub-target stamps
$(2)_TARGET_INSTALL = $$($(2)_DIR)/.stamp_installed
$(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_ACTUAL_SOURCE = $$($(2)_DIR)/.stamp_actual_downloaded
$(2)_TARGET_DIRCLEAN = $$($(2)_DIR)/.stamp_dircleaned
# default extract command
$(2)_EXTRACT_CMDS ?= \
$$(if $$($(2)_SOURCE),$$(INFLATE$$(suffix $$($(2)_SOURCE))) $$($(2)_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)_POST_PREPARE_HOOKS += FIXUP_PYTHON_SYSCONFIGDATA
ifeq ($$($(2)_TYPE),target)
ifneq ($$(HOST_$(2)_KCONFIG_VAR),)
$$(error "Package $(1) defines host variant before target variant!")
endif
endif
# Globaly remove following conflicting and useless files
$(2)_DROP_FILES_OR_DIRS += /share/info/dir
ifeq ($$($(2)_TYPE),host)
$(2)_POST_INSTALL_HOOKS += REMOVE_CONFLICTING_USELESS_FILES_IN_HOST
else
$(2)_POST_INSTALL_STAGING_HOOKS += REMOVE_CONFLICTING_USELESS_FILES_IN_STAGING
$(2)_POST_INSTALL_TARGET_HOOKS += REMOVE_CONFLICTING_USELESS_FILES_IN_TARGET
endif
# human-friendly targets and target sequencing
$(1): $(1)-install
$(1)-install: $$($(2)_TARGET_INSTALL)
$$($(2)_TARGET_INSTALL): $$($(2)_TARGET_BUILD)
ifeq ($$($(2)_TYPE),host)
$$($(2)_TARGET_INSTALL): $$($(2)_TARGET_INSTALL_HOST)
else
$(2)_INSTALL_STAGING ?= NO
$(2)_INSTALL_IMAGES ?= NO
$(2)_INSTALL_TARGET ?= YES
ifeq ($$($(2)_INSTALL_TARGET),YES)
$$($(2)_TARGET_INSTALL): $$($(2)_TARGET_INSTALL_TARGET)
endif
ifeq ($$($(2)_INSTALL_STAGING),YES)
$$($(2)_TARGET_INSTALL): $$($(2)_TARGET_INSTALL_STAGING)
endif
ifeq ($$($(2)_INSTALL_IMAGES),YES)
$$($(2)_TARGET_INSTALL): $$($(2)_TARGET_INSTALL_IMAGES)
endif
endif
ifeq ($$($(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): | prepare
$$($(2)_TARGET_SOURCE) $$($(2)_TARGET_RSYNC): | dependencies
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)
$$($(2)_TARGET_EXTRACT): | $$($(2)_FINAL_EXTRACT_DEPENDENCIES)
$(1)-depends: $$($(2)_FINAL_ALL_DEPENDENCIES)
$(1)-source: $$($(2)_TARGET_SOURCE)
$$($(2)_TARGET_SOURCE): | $$($(2)_FINAL_DOWNLOAD_DEPENDENCIES)
$(1)-all-source: $(1)-legal-source
$(1)-legal-info: $(1)-legal-source
$(1)-legal-source: $(1)-source
# Only download the actual source if it differs from the 'main' archive
ifneq ($$($(2)_ACTUAL_SOURCE_TARBALL),)
ifneq ($$($(2)_ACTUAL_SOURCE_TARBALL),$$($(2)_SOURCE))
$(1)-legal-source: $$($(2)_TARGET_ACTUAL_SOURCE)
endif # actual sources != sources
endif # actual sources != ""
$(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: $$($(2)_TARGET_RSYNC)
$(1)-source:
$(1)-legal-source:
$(1)-external-deps:
@echo "file://$$($(2)_OVERRIDE_SRCDIR)"
endif
$(1)-show-version:
@echo $$($(2)_VERSION)
$(1)-show-depends:
@echo $$($(2)_FINAL_ALL_DEPENDENCIES)
$(1)-show-recursive-depends:
@echo $$($(2)_FINAL_RECURSIVE_DEPENDENCIES)
$(1)-show-rdepends:
@echo $$($(2)_RDEPENDENCIES)
$(1)-show-recursive-rdepends:
@echo $$($(2)_FINAL_RECURSIVE_RDEPENDENCIES)
$(1)-show-build-order: $$(patsubst %,%-show-build-order,$$($(2)_FINAL_ALL_DEPENDENCIES))
@:
$$(info $(1))
$(1)-show-info:
@:
$$(info $$(call clean-json,{ $$(call json-info,$(2)) }))
$(1)-graph-depends: graph-depends-requirements
$(call pkg-graph-depends,$(1),--direct)
$(1)-graph-rdepends: graph-depends-requirements
$(call pkg-graph-depends,$(1),--reverse)
$(1)-all-source: $(1)-source
$(1)-all-source: $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),$$(p)-all-source)
$(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)
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
$$($(2)_TARGET_INSTALL): PKG=$(2)
$$($(2)_TARGET_INSTALL_TARGET): PKG=$(2)
$$($(2)_TARGET_INSTALL_STAGING): PKG=$(2)
$$($(2)_TARGET_INSTALL_IMAGES): PKG=$(2)
$$($(2)_TARGET_INSTALL_HOST): PKG=$(2)
$$($(2)_TARGET_BUILD): PKG=$(2)
$$($(2)_TARGET_CONFIGURE): PKG=$(2)
$$($(2)_TARGET_CONFIGURE): NAME=$(1)
$$($(2)_TARGET_RSYNC): SRCDIR=$$($(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)
$$($(2)_TARGET_ACTUAL_SOURCE): PKG=$(2)
$$($(2)_TARGET_ACTUAL_SOURCE): PKGDIR=$(pkgdir)
$$($(2)_TARGET_DIRCLEAN): PKG=$(2)
$$($(2)_TARGET_DIRCLEAN): NAME=$(1)
# 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.
# Virtual packages are handled separately (see below).
ifeq ($(1),linux)
$(2)_KCONFIG_VAR = BR2_LINUX_KERNEL
else ifneq ($$(filter boot/% $$(foreach dir,$$(BR2_EXTERNAL_DIRS),$$(dir)/boot/%),$(pkgdir)),)
$(2)_KCONFIG_VAR = BR2_TARGET_$(2)
else ifneq ($$(filter toolchain/% $$(foreach dir,$$(BR2_EXTERNAL_DIRS),$$(dir)/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
# We need to extract and patch a package to be able to retrieve its
# license files (if any) and the list of patches applied to it (if
# any).
$(1)-legal-info: $(1)-patch
# 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
# legal-info: produce legally relevant info.
$(1)-legal-info: PKG=$(2)
$(1)-legal-info:
@$$(call MESSAGE,"Collecting legal info")
# Packages without a source are assumed to be part of Buildroot, skip them.
$$(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)),)
$(Q)$$(call legal-warning-pkg,$$($(2)_BASENAME_RAW),cannot save license ($(2)_LICENSE_FILES not defined))
else
$(Q)$$(foreach F,$$($(2)_LICENSE_FILES),$$(call legal-license-file,$$($(2)_RAWNAME),$$($(2)_BASENAME_RAW),$$($(2)_HASH_FILE),$$(F),$$($(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)
# Save the source tarball and any extra downloads, but not
# patches, as they are handled specially afterwards.
$$(foreach e,$$($(2)_ACTUAL_SOURCE_TARBALL) $$(notdir $$($(2)_EXTRA_DOWNLOADS)),\
$$(Q)support/scripts/hardlink-or-copy \
$$($(2)_DL_DIR)/$$(e) \
$$($(2)_REDIST_SOURCES_DIR)$$(sep))
# Save patches and generate the series file
$$(Q)while read f; do \
support/scripts/hardlink-or-copy \
$$$${f} \
$$($(2)_REDIST_SOURCES_DIR) || exit 1; \
printf "%s\n" "$$$${f##*/}" >>$$($(2)_REDIST_SOURCES_DIR)/series || exit 1; \
done <$$($(2)_DIR)/.applied_patches_list
endif # redistribute
endif # other packages
@$$(call legal-manifest,$$(call UPPERCASE,$(4)),$$($(2)_RAWNAME),$$($(2)_VERSION),$$(subst $$(space)$$(comma),$$(comma),$$($(2)_LICENSE)),$$($(2)_MANIFEST_LICENSE_FILES),$$($(2)_ACTUAL_SOURCE_TARBALL),$$($(2)_ACTUAL_SOURCE_SITE),$$(call legal-deps,$(1)))
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
# Register package as a reverse-dependencies of all its dependencies
$$(eval $$(foreach p,$$($(2)_FINAL_ALL_DEPENDENCIES),\
$$(call UPPERCASE,$$(p))_RDEPENDENCIES += $(1)$$(sep)))
# 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)$$(sep)
endif
ifneq ($$($(2)_LINUX_CONFIG_FIXUPS),)
PACKAGES_LINUX_CONFIG_FIXUPS += $$($(2)_LINUX_CONFIG_FIXUPS)$$(sep)
endif
TARGET_FINALIZE_HOOKS += $$($(2)_TARGET_FINALIZE_HOOKS)
ROOTFS_PRE_CMD_HOOKS += $$($(2)_ROOTFS_PRE_CMD_HOOKS)
KEEP_PYTHON_PY_FILES += $$($(2)_KEEP_PY_FILES)
ifneq ($$($(2)_SELINUX_MODULES),)
PACKAGES_SELINUX_MODULES += $$($(2)_SELINUX_MODULES)
endif
PACKAGES_SELINUX_EXTRA_MODULES_DIRS += \
$$(if $$(wildcard $$($(2)_PKGDIR)/selinux),$$($(2)_PKGDIR)/selinux)
ifeq ($$($(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 ($$($(2)_SITE_METHOD),cvs)
DL_TOOLS_DEPENDENCIES += cvs
endif # SITE_METHOD
DL_TOOLS_DEPENDENCIES += $$(call extractor-system-dependency,$$($(2)_SOURCE))
# Ensure all virtual targets are PHONY. Listed alphabetically.
.PHONY: $(1) \
$(1)-all-external-deps \
$(1)-all-legal-info \
$(1)-all-source \
$(1)-build \
$(1)-clean-for-rebuild \
$(1)-clean-for-reconfigure \
$(1)-clean-for-reinstall \
$(1)-configure \
$(1)-depends \
$(1)-dirclean \
$(1)-external-deps \
$(1)-extract \
$(1)-graph-depends \
$(1)-graph-rdepends \
$(1)-install \
$(1)-install-host \
$(1)-install-images \
$(1)-install-staging \
$(1)-install-target \
$(1)-legal-info \
$(1)-legal-source \
$(1)-patch \
$(1)-rebuild \
$(1)-reconfigure \
$(1)-reinstall \
$(1)-rsync \
$(1)-show-depends \
$(1)-show-info \
$(1)-show-version \
$(1)-source
ifneq ($$($(2)_SOURCE),)
ifeq ($$($(2)_SITE),)
$$(error $(2)_SITE cannot be empty when $(2)_SOURCE is not)
endif
endif
ifeq ($$(patsubst %/,ERROR,$$($(2)_SITE)),ERROR)
$$(error $(2)_SITE ($$($(2)_SITE)) cannot have a trailing slash)
endif
ifneq ($$($(2)_HELP_CMDS),)
HELP_PACKAGES += $(2)
endif
# Virtual packages are not built but it's useful to allow them to have
# permission/device/user tables and target-finalize/rootfs-pre-cmd hooks.
else ifeq ($$(BR2_PACKAGE_HAS_$(2)),y) # $(2)_KCONFIG_VAR
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)$$(sep)
endif
TARGET_FINALIZE_HOOKS += $$($(2)_TARGET_FINALIZE_HOOKS)
ROOTFS_PRE_CMD_HOOKS += $$($(2)_ROOTFS_PRE_CMD_HOOKS)
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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