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openwrt/include/host-build.mk
T
John Crispin b95b0928ac build: add per stage build time profiling 
Set BUILD_TIME_LOG=<file> to record a begin and an end event for every
prepare, configure, compile and install stage of every tool, toolchain
component, kernel and package. scripts/build-time-report.pl turns the log
into a report.

The report divides each second of the build between the stages that run
in it, so the numbers show which stages hold up the wall clock rather
than which ones burn the most CPU. Nothing is recorded and no extra
process runs when BUILD_TIME_LOG is unset.

Signed-off-by: John Crispin <john@phrozen.org>
2026-09-22 18:18:58 +02:00

264 lines
8.0 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2020 OpenWrt.org
include $(INCLUDE_DIR)/download.mk
HOST_BUILD_DIR ?= $(BUILD_DIR_HOST)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
HOST_INSTALL_DIR ?= $(HOST_BUILD_DIR)/host-install
HOST_BUILD_PARALLEL ?=
HOST_MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) $(if $(filter 3.% 4.0 4.1,$(MAKE_VERSION)),-j))
ifeq ($(strip $(HOST_BUILD_PARALLEL)),0)
HOST_JOBS?=-j1
else
HOST_JOBS?=$(if $(HOST_BUILD_PARALLEL),$(HOST_MAKE_J),-j1)
endif
include $(INCLUDE_DIR)/unpack.mk
include $(INCLUDE_DIR)/depends.mk
# git-src is only honoured for the host build when a package opts in via
# HOST_USE_GIT_SRC, since by default the host build keeps using the tarball.
ifdef HOST_USE_GIT_SRC
ifneq ($(GIT_SRC_CHECKOUT_DIR),)
USE_HOST_GIT_SRC_CHECKOUT:=1
HOST_QUILT:=1
endif
ifneq ($(GIT_TREE_OVERRIDE_DIR),)
USE_HOST_GIT_TREE:=1
HOST_QUILT:=1
endif
endif
include $(INCLUDE_DIR)/quilt.mk
BUILD_TYPES += host
HOST_STAMP_PREPARED=$(HOST_BUILD_DIR)/.prepared$(if $(HOST_QUILT)$(DUMP),,$(PKG_FILES_MD5)_$(call confvar,CONFIG_AUTOREMOVE $(HOST_PREPARED_DEPENDS)))
HOST_STAMP_CONFIGURED:=$(HOST_BUILD_DIR)/.configured
HOST_STAMP_BUILT:=$(HOST_BUILD_DIR)/.built
HOST_BUILD_PREFIX?=$(if $(IS_PACKAGE_BUILD),$(STAGING_DIR_HOSTPKG),$(STAGING_DIR_HOST))
HOST_STAMP_INSTALLED:=$(HOST_BUILD_PREFIX)/stamp/.$(PKG_NAME)_installed
HOST_STAMP_PROGRAMS:=$(foreach program,$(PKG_PROGRAMS),$(dir $(HOST_STAMP_INSTALLED))$(subst $(PKG_NAME),$(program),$(notdir $(HOST_STAMP_INSTALLED))) )
override MAKEFLAGS=
include $(INCLUDE_DIR)/autotools.mk
_host_target:=$(if $(HOST_QUILT),,.)
Host/Patch:=$(Host/Patch/Default)
define Host/Prepare/Default
$(if $(strip $(HOST_UNPACK)),$(HOST_UNPACK))
[ ! -d ./src/ ] || $(CP) ./src/* $(HOST_BUILD_DIR)
$(Host/Patch)
endef
ifdef USE_HOST_GIT_SRC_CHECKOUT
Host/Prepare/Default = $(call Prepare/git-src,$(HOST_BUILD_DIR),$(GIT_SRC_CHECKOUT_DIR))
endif
ifdef USE_HOST_GIT_TREE
Host/Prepare/Default = $(call Prepare/git-src,$(HOST_BUILD_DIR),$(CURDIR)/git-src)
endif
define Host/Prepare
$(call Host/Prepare/Default)
endef
define Host/Gnulib/Prepare
$(STAGING_DIR_HOST)/bin/gnulib-tool \
--local-dir=$(STAGING_DIR_HOST)/share/gnulib \
--source-base=$(PKG_GNULIB_BASE) \
$(PKG_GNULIB_ARGS) \
$(PKG_GNULIB_MODS) \
;
endef
HOST_CONFIGURE_VARS = \
CC="$(HOSTCC)" \
CFLAGS="$(HOST_CFLAGS)" \
CXX="$(HOSTCXX)" \
CPPFLAGS="$(HOST_CPPFLAGS)" \
CXXFLAGS="$(HOST_CXXFLAGS)" \
LDFLAGS="$(HOST_LDFLAGS)" \
CONFIG_SHELL="$(SHELL)"
HOST_CONFIGURE_ARGS = \
--target=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--build=$(GNU_HOST_NAME) \
--disable-dependency-tracking \
--program-prefix="" \
--program-suffix="" \
--prefix=$(HOST_BUILD_PREFIX) \
--exec-prefix=$(HOST_BUILD_PREFIX) \
--sysconfdir=$(HOST_BUILD_PREFIX)/etc \
--localstatedir=$(HOST_BUILD_PREFIX)/var \
--sbindir=$(HOST_BUILD_PREFIX)/bin
HOST_CONFIGURE_ARGS += $(if $(filter y,$(YEAR_2038)),,--disable-year2038)
HOST_MAKE_VARS = \
CFLAGS="$(HOST_CFLAGS)" \
CPPFLAGS="$(HOST_CPPFLAGS)" \
CXXFLAGS="$(HOST_CXXFLAGS)" \
LDFLAGS="$(HOST_LDFLAGS)"
HOST_MAKE_FLAGS =
HOST_CONFIGURE_CMD = $(BASH) ./configure
ifeq ($(HOST_OS),Darwin)
HOST_CONFIG_SITE:=$(INCLUDE_DIR)/site/darwin
endif
define Host/Configure/Default
$(if $(HOST_CONFIGURE_PARALLEL),+)(cd $(HOST_BUILD_DIR)/$(3); \
if [ -x configure ]; then \
$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/$(3)/ && \
$(HOST_CONFIGURE_VARS) \
$(2) \
$(HOST_CONFIGURE_CMD) \
$(HOST_CONFIGURE_ARGS) \
$(1); \
fi \
)
endef
define Host/Configure
$(call Host/Configure/Default)
endef
HOST_MAKE_PATH ?= .
define Host/Compile/Default
+$(HOST_MAKE_VARS) \
$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR)/$(HOST_MAKE_PATH) \
$(HOST_MAKE_FLAGS) \
$(1)
endef
define Host/Compile
$(call Host/Compile/Default,$(if $(PKG_SUBDIRS),SUBDIRS='$$$$(wildcard $(PKG_SUBDIRS))'))
endef
define Host/Gnulib/Compile
$(call Host/Compile/Default,SUBDIRS='$$$$(wildcard $(PKG_GNULIB_BASE))')
endef
define Host/Install/Default
$(call Host/Compile/Default,$(if $(PKG_SUBDIRS),SUBDIRS='$$$$(wildcard $(PKG_SUBDIRS))') install)
endef
define Host/Install
$(call Host/Install/Default,$(HOST_BUILD_PREFIX))
endef
ifneq ($(if $(HOST_QUILT),,$(CONFIG_AUTOREBUILD)),)
define HostHost/Autoclean
$(call rdep,${CURDIR} $(PKG_FILE_DEPENDS),$(HOST_STAMP_PREPARED))
$(if $(if $(Host/Compile),$(filter prepare,$(MAKECMDGOALS)),1),,$(call rdep,$(HOST_BUILD_DIR),$(HOST_STAMP_BUILT)))
endef
endif
define Host/Exports/Default
$(1) : export ACLOCAL_INCLUDE=$$(foreach p,$$(wildcard $$(STAGING_DIR_HOST)/share/aclocal $$(STAGING_DIR_HOST)/share/aclocal-* $(if $(IS_PACKAGE_BUILD),$$(STAGING_DIR)/host/share/aclocal $$(STAGING_DIR_HOSTPKG)/share/aclocal $$(STAGING_DIR)/host/share/aclocal-*)),-I $$(p))
$(1) : export STAGING_PREFIX=$$(HOST_BUILD_PREFIX)
$(1) : export PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig:$$(HOST_BUILD_PREFIX)/lib/pkgconfig
$(1) : export PKG_CONFIG_LIBDIR=$$(HOST_BUILD_PREFIX)/lib/pkgconfig
$(1) : export GIT_CEILING_DIRECTORIES=$$(BUILD_DIR_HOST)
$(if $(HOST_CONFIG_SITE),$(1) : export CONFIG_SITE:=$(HOST_CONFIG_SITE))
$(if $(IS_PACKAGE_BUILD),$(1) : export PATH=$$(TARGET_PATH_PKG))
endef
Host/Exports=$(Host/Exports/Default)
.NOTPARALLEL:
ifndef DUMP
define HostBuild/Core
$(if $(HOST_QUILT),$(Host/Quilt))
$(if $(DUMP),,$(call HostHost/Autoclean))
$(HOST_STAMP_PREPARED):
$(call BuildTimeLog,begin,prepare)
@-rm -rf $(HOST_BUILD_DIR)
@mkdir -p $(HOST_BUILD_DIR)
$(foreach hook,$(Hooks/HostPrepare/Pre),$(call $(hook))$(sep))
$(call Host/Prepare)
$(foreach hook,$(Hooks/HostPrepare/Post),$(call $(hook))$(sep))
touch $$@
$(call BuildTimeLog,end,prepare)
$(call Host/Exports,$(HOST_STAMP_CONFIGURED))
$(HOST_STAMP_CONFIGURED): $(HOST_STAMP_PREPARED)
$(call BuildTimeLog,begin,configure)
$(foreach hook,$(Hooks/HostConfigure/Pre),$(call $(hook))$(sep))
$(call Host/Configure)
$(foreach hook,$(Hooks/HostConfigure/Post),$(call $(hook))$(sep))
touch $$@
$(call BuildTimeLog,end,configure)
$(call Host/Exports,$(HOST_STAMP_BUILT))
$(HOST_STAMP_BUILT): $(HOST_STAMP_CONFIGURED)
$(call BuildTimeLog,begin,compile)
$(foreach hook,$(Hooks/HostCompile/Pre),$(call $(hook))$(sep))
$(call Host/Compile)
$(foreach hook,$(Hooks/HostCompile/Post),$(call $(hook))$(sep))
touch $$@
$(call BuildTimeLog,end,compile)
$(call Host/Exports,$(HOST_STAMP_INSTALLED))
$(HOST_STAMP_INSTALLED): $(HOST_STAMP_BUILT) $(if $(FORCE_HOST_INSTALL),FORCE)
$(call BuildTimeLog,begin,install)
$(call Host/Install,$(HOST_BUILD_PREFIX))
$(foreach hook,$(Hooks/HostInstall/Post),$(call $(hook))$(sep))
mkdir -p $$(shell dirname $$@)
touch $(HOST_STAMP_BUILT)
touch $$@ $(HOST_STAMP_PROGRAMS)
$(call BuildTimeLog,end,install)
$(call DefaultTargets,$(patsubst %,host-%,$(DEFAULT_SUBDIR_TARGETS)))
ifndef STAMP_BUILT
$(foreach t,$(DEFAULT_SUBDIR_TARGETS),
$(t): host-$(t)
.$(t): .host-$(t)
)
clean-build: host-clean-build
endif
$(call check_download_integrity)
$(_host_target)host-prepare: $(HOST_STAMP_PREPARED)
$(_host_target)host-configure: $(HOST_STAMP_CONFIGURED)
$(_host_target)host-compile: $(HOST_STAMP_BUILT) $(HOST_STAMP_INSTALLED) $(HOST_STAMP_PROGRAMS)
host-install: host-compile
host-clean-build: FORCE
$(call Host/Uninstall)
rm -rf $(HOST_BUILD_DIR) $(HOST_STAMP_BUILT)
host-clean: host-clean-build
$(call Host/Clean)
rm -rf $(HOST_STAMP_INSTALLED) $(HOST_STAMP_PROGRAMS)
ifneq ($(CONFIG_AUTOREMOVE),)
host-compile:
$(FIND) $(HOST_BUILD_DIR) -mindepth 1 -maxdepth 1 -not '(' -type f -and -name '.*' -and -size 0 ')' -print0 | \
$(XARGS) -0 rm -rf
endif
endef
endif
define HostBuild
$(HostBuild/Core)
$(if $(USE_HOST_GIT_SRC_CHECKOUT)$(USE_HOST_GIT_TREE),,
$(if $(if $(PKG_HOST_ONLY),,$(if $(and $(filter host-%,$(MAKECMDGOALS)),$(PKG_SKIP_DOWNLOAD)),,$(STAMP_PREPARED))),,
$(if $(and $(CONFIG_AUTOREMOVE), $(wildcard $(HOST_STAMP_INSTALLED), $(wildcard $(HOST_STAMP_BUILT)))),,
$(if $(strip $(PKG_SOURCE_URL)),$(call Download,default))
)
)
)
endef
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