-# 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.
+# SPDX-License-Identifier: GPL-2.0-only
#
+# Copyright (C) 2007-2020 OpenWrt.org
PREP_MK= OPENWRT_BUILD= QUIET=0
-export IS_TTY=$(shell tty -s && echo 1 || echo 0)
+export IS_TTY=$(if $(MAKE_TERMOUT),1,0)
include $(TOPDIR)/include/verbose.mk
-ifeq ($(OPENWRT_VARS),)
- include $(TOPDIR)/include/toplevel-vars.mk
+
+ifeq ($(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 PATH:=$(path)
+
+unexport TAR_OPTIONS
+
ifeq ($(FORCE),)
.config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
endif
+SCAN_COOKIE?=$(shell echo $$$$)
+export SCAN_COOKIE
+export STAGING_DIR_HOST=$(TOPDIR)/staging_dir/host
+
SUBMAKE:=umask 022; $(SUBMAKE)
ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
@+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
mkdir -p tmp/info
$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPTH=5 SCAN_EXTRA=""
- $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
+ $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPTH=3 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
for type in package target; do \
f=tmp/.$${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; }; \
scripts/config/%onf: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
endif
scripts/config/%onf: CFLAGS+= -O2
-scripts/config/%onf:
+scripts/config/%onf: FORCE
@$(_SINGLE)$(SUBMAKE) $(if $(findstring s,$(OPENWRT_VERBOSE)),,-s) \
- -C scripts/config $(notdir $@) CC="$(HOSTCC_WRAPPER)"
+ -C scripts/config $(notdir $@)
$(eval $(call rdep,scripts/config,scripts/config/mconf))
help:
cat README.md
-distclean: cacheclean
- rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
+distclean:
+ rm -rf bin build_dir .ccache .config* dl feeds key-build* logs package/feeds staging_dir tmp
@$(_SINGLE)$(SUBMAKE) -C scripts/config clean
ifeq ($(findstring v,$(DEBUG)),)