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912acb6c09
openwrt/include/toplevel.mk
Michael Pratt 948dc515dc
treewide: add ORIG_PATH variable 
Add a variable that stores the original value of $PATH
in the host system's shell, before Make alters it.

This can be useful for when it is necessary
to ignore symlinks and programs made by the build system.

Define this new variable before all instances of
'export PATH:=' or similar.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
(cherry picked from commit d87a8aa148)
2023-06-12 22:10:20 +02:00

272 lines
8.8 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2007-2020 OpenWrt.org
PREP_MK= OPENWRT_BUILD= QUIET=0
export IS_TTY=$(if $(MAKE_TERMOUT),1,0)
include $(TOPDIR)/include/verbose.mk
ifeq ($(SDK),1)
include $(TOPDIR)/include/version.mk
else
REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
endif
export REVISION
export SOURCE_DATE_EPOCH
export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
export GIT_ASKPASS:=/bin/true
export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
export HOST_OS:=$(shell uname)
export HOST_ARCH:=$(shell uname -m)
ifeq ($(HOST_OS),Darwin)
ifneq ($(filter /Applications/Xcode.app/% /Library/Developer/%,$(MAKE)),)
$(error Please use a newer version of GNU make. The version shipped by Apple is not supported)
endif
endif
# prevent perforce from messing with the patch utility
unexport P4PORT P4USER P4CONFIG P4CLIENT
# prevent user defaults for quilt from interfering
unexport QUILT_PATCHES QUILT_PATCH_OPTS
unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
# prevent distro default LPATH from interfering
unexport LPATH
# make sure that a predefined CFLAGS variable does not disturb packages
export CFLAGS=
export LDFLAGS=
empty:=
space:= $(empty) $(empty)
path:=$(subst :,$(space),$(PATH))
path:=$(filter-out .%,$(path))
path:=$(subst $(space),:,$(path))
export ORIG_PATH:=$(if $(ORIG_PATH),$(ORIG_PATH),$(PATH))
export PATH:=$(path)
export STAGING_DIR_HOST:=$(if $(STAGING_DIR),$(abspath $(STAGING_DIR)/../host),$(TOPDIR)/staging_dir/host)
unexport TAR_OPTIONS
ifeq ($(FORCE),)
.config scripts/config/conf scripts/config/mconf: $(STAGING_DIR_HOST)/.prereq-build
endif
SCAN_COOKIE?=$(shell echo $$$$)
export SCAN_COOKIE
SUBMAKE:=umask 022; $(SUBMAKE)
ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
prepare-mk: $(STAGING_DIR_HOST)/.prereq-build FORCE ;
ifdef SDK
IGNORE_PACKAGES = linux
endif
_ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
prepare-tmpinfo: FORCE
@+$(MAKE) -r -s $(STAGING_DIR_HOST)/.prereq-build $(PREP_MK)
mkdir -p tmp/info
$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPTH=5 SCAN_EXTRA=""
$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPTH=3 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
for type in package target; do \
f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
[ "$$t" -nt "$$f" ] || ./scripts/$${type}-metadata.pl $(_ignore) config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
done
[ tmp/.config-feeds.in -nt tmp/.packageauxvars ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
./scripts/package-metadata.pl mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
./scripts/package-metadata.pl pkgaux tmp/.packageinfo > tmp/.packageauxvars || { rm -f tmp/.packageauxvars; false; }
./scripts/package-metadata.pl usergroup tmp/.packageinfo > tmp/.packageusergroup || { rm -f tmp/.packageusergroup; false; }
touch $(TOPDIR)/tmp/.build
.config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
@+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
[ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
$(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
fi
ifeq ($(RECURSIVE_DEP_IS_ERROR),1)
KCONF_FLAGS=--fatalrecursive
endif
ifneq ($(DISTRO_PKG_CONFIG),)
scripts/config/%onf: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
endif
scripts/config/%onf: CFLAGS+= -O2
scripts/config/%onf: FORCE
@$(_SINGLE)$(SUBMAKE) $(if $(findstring s,$(OPENWRT_VERBOSE)),,-s) \
-C scripts/config $(notdir $@)
$(eval $(call rdep,scripts/config,scripts/config/mconf))
config: scripts/config/conf prepare-tmpinfo FORCE
[ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
$< $(KCONF_FLAGS) Config.in
config-clean: FORCE
$(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
defconfig: scripts/config/conf prepare-tmpinfo FORCE
touch .config
@if [ ! -s .config -a -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
[ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
$< $(KCONF_FLAGS) --defconfig=.config Config.in
confdefault-y=allyes
confdefault-m=allmod
confdefault-n=allno
confdefault:=$(confdefault-$(CONFDEFAULT))
oldconfig: scripts/config/conf prepare-tmpinfo FORCE
[ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
$< $(KCONF_FLAGS) --$(if $(confdefault),$(confdefault),old)config Config.in
menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
cp $(HOME)/.openwrt/defconfig .config; \
fi
[ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
$< Config.in
nconfig: scripts/config/nconf prepare-tmpinfo FORCE
if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
cp $(HOME)/.openwrt/defconfig .config; \
fi
[ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
$< Config.in
xconfig: scripts/config/qconf prepare-tmpinfo FORCE
if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
cp $(HOME)/.openwrt/defconfig .config; \
fi
$< Config.in
prepare_kernel_conf: .config toolchain/install FORCE
ifeq ($(wildcard $(STAGING_DIR_HOST)/bin/quilt),)
prepare_kernel_conf:
@+$(SUBMAKE) -r tools/quilt/compile
else
prepare_kernel_conf: ;
endif
kernel_oldconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
ifneq ($(DISTRO_PKG_CONFIG),)
kernel_menuconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
kernel_nconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
kernel_xconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
endif
kernel_menuconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
kernel_nconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
kernel_xconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux xconfig
$(STAGING_DIR_HOST)/.prereq-build: include/prereq-build.mk
mkdir -p tmp
@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
echo "Prerequisite check failed. Use FORCE=1 to override."; \
false; \
}
ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
echo "Preparation failed."; \
false; \
}
endif
touch $@
printdb: FORCE
@$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
ifndef SDK
DOWNLOAD_DIRS = tools/download toolchain/download package/download target/download
else
DOWNLOAD_DIRS = package/download
endif
download: .config FORCE $(if $(wildcard $(STAGING_DIR_HOST)/bin/flock),,tools/flock/compile)
@+$(foreach dir,$(DOWNLOAD_DIRS),$(SUBMAKE) $(dir);)
clean dirclean: .config
@+$(SUBMAKE) -r $@
prereq:: prepare-tmpinfo .config
@+$(NO_TRACE_MAKE) -r -s $@
check: .config FORCE
@+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
val.%: FORCE
@+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
ifeq ($(SDK),1)
%::
@+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
@./scripts/config/conf $(KCONF_FLAGS) --defconfig=.config Config.in
@+$(ULIMIT_FIX) $(SUBMAKE) -r $@
else
%::
@+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
@( \
cp .config tmp/.config; \
./scripts/config/conf $(KCONF_FLAGS) --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
fi \
)
@+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
false; \
} )
endif
# update all feeds, re-create index files, install symlinks
package/symlinks:
./scripts/feeds update -a
./scripts/feeds install -a
# re-create index files, install symlinks
package/symlinks-install:
./scripts/feeds update -i
./scripts/feeds install -a
# remove all symlinks, don't touch ./feeds
package/symlinks-clean:
./scripts/feeds uninstall -a
help:
cat README.md
distclean:
rm -rf bin build_dir .ccache .config* dl feeds key-build* logs package/feeds staging_dir tmp
@$(_SINGLE)$(SUBMAKE) -C scripts/config clean
ifeq ($(findstring v,$(DEBUG)),)
.SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig $(STAGING_DIR_HOST)/.prereq-build tmp/.prereq-package prepare-tmpinfo
endif
.PHONY: help FORCE
.NOTPARALLEL:
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