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openwrt/include/toplevel.mk
Felix Fietkau 3104370455 build: detect broken make version on macOS 
Apple ships a broken make version with the Xcode command line tools.
Homebrew installs make as gmake by default in order to not collide with
Apple's version.
Exit with an error if the broken one is used accidentally

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2020-11-14 14:48:30 +01:00

282 lines
8.9 KiB
Makefile
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# Makefile for OpenWrt
#
# Copyright (C) 2007-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
PREP_MK= OPENWRT_BUILD= QUIET=0
export IS_TTY=$(shell tty -s && echo 1 || echo 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
HOSTCC ?= $(CC)
export REVISION
export SOURCE_DATE_EPOCH
export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
export GIT_ASKPASS:=/bin/true
export MAKE_JOBSERVER=$(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 PATH:=$(path)
unexport TAR_OPTIONS
ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
export HOSTCC_REAL?=$(HOSTCC)
export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
else
export HOSTCC_WRAPPER:=$(HOSTCC)
endif
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 "$$_limit" -ge 1024 ] || ulimit -n 1024;
prepare-mk: staging_dir/host/.prereq-build FORCE ;
ifdef SDK
IGNORE_PACKAGES = linux
endif
_ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
prepare-tmpinfo: FORCE
@+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
mkdir -p tmp/info
$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPTH=5 SCAN_EXTRA=""
$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
for type in package target; do \
f=tmp/.$${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:
@$(_SINGLE)$(SUBMAKE) $(if $(findstring s,$(OPENWRT_VERBOSE)),,-s) \
-C scripts/config $(notdir $@) CC="$(HOSTCC_WRAPPER)"
$(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 $(TOPDIR)/staging_dir/host/bin/flock),,tools/flock/compile)
@+$(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$(_N)\n" >&2; \
false; \
} )
endif
# update all feeds, re-create index files, install symlinks
package/symlinks:
./scripts/feeds update -a
./scripts/feeds install -a
# re-create index files, install symlinks
package/symlinks-install:
./scripts/feeds update -i
./scripts/feeds install -a
# remove all symlinks, don't touch ./feeds
package/symlinks-clean:
./scripts/feeds uninstall -a
help:
cat README.md
distclean: cacheclean
rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
@$(_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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