1# Makefile for OpenWrt 2# 3# Copyright (C) 2007-2012 OpenWrt.org 4# 5# This is free software, licensed under the GNU General Public License v2. 6# See /LICENSE for more information. 7# 8 9RELEASE:=Designated Driver 10PREP_MK= OPENWRT_BUILD= QUIET=0 11 12export IS_TTY=$(shell tty -s && echo 1 || echo 0) 13 14include $(TOPDIR)/include/verbose.mk 15 16ifeq ($(SDK),1) 17 include $(TOPDIR)/include/version.mk 18else 19 REVISION:=$(shell $(TOPDIR)/scripts/getver.sh) 20endif 21 22HOSTCC ?= $(CC) 23export RELEASE 24export REVISION 25export GIT_CONFIG_PARAMETERS='core.autocrlf=false' 26export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS)) 27export SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh) 28 29# prevent perforce from messing with the patch utility 30unexport P4PORT P4USER P4CONFIG P4CLIENT 31 32# prevent user defaults for quilt from interfering 33unexport QUILT_PATCHES QUILT_PATCH_OPTS 34 35unexport C_INCLUDE_PATH CROSS_COMPILE ARCH 36 37# prevent distro default LPATH from interfering 38unexport LPATH 39 40# make sure that a predefined CFLAGS variable does not disturb packages 41export CFLAGS= 42export LDFLAGS= 43 44empty:= 45space:= $(empty) $(empty) 46path:=$(subst :,$(space),$(PATH)) 47path:=$(filter-out .%,$(path)) 48path:=$(subst $(space),:,$(path)) 49export PATH:=$(path) 50 51unexport TAR_OPTIONS 52 53ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),) 54 export HOSTCC_REAL?=$(HOSTCC) 55 export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper 56else 57 export HOSTCC_WRAPPER:=$(HOSTCC) 58endif 59 60ifeq ($(FORCE),) 61 .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build 62endif 63 64SCAN_COOKIE?=$(shell echo $$$$) 65export SCAN_COOKIE 66 67SUBMAKE:=umask 022; $(SUBMAKE) 68 69ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024; 70 71prepare-mk: FORCE ; 72 73ifdef SDK 74 IGNORE_PACKAGES = linux 75endif 76 77_ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p)) 78 79prepare-tmpinfo: FORCE 80 @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK) 81 mkdir -p tmp/info 82 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA="" 83 $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1" 84 for type in package target; do \ 85 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \ 86 [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $(_ignore) $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \ 87 done 88 [ tmp/.config-feeds.in -nt tmp/.packagesubdirs ] || ./scripts/feeds feed_config > tmp/.config-feeds.in 89 ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; } 90 ./scripts/metadata.pl package_subdirs tmp/.packageinfo > tmp/.packagesubdirs || { rm -f tmp/.packagesubdirs; false; } 91 touch $(TOPDIR)/tmp/.build 92 93.config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo) 94 @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \ 95 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \ 96 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \ 97 fi 98 99scripts/config/mconf: 100 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)" 101 102$(eval $(call rdep,scripts/config,scripts/config/mconf)) 103 104scripts/config/conf: 105 @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)" 106 107config: scripts/config/conf prepare-tmpinfo FORCE 108 $< Config.in 109 110config-clean: FORCE 111 $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean 112 113defconfig: scripts/config/conf prepare-tmpinfo FORCE 114 touch .config 115 @if [ -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi 116 $< --defconfig=.config Config.in 117 118confdefault-y=allyes 119confdefault-m=allmod 120confdefault-n=allno 121confdefault:=$(confdefault-$(CONFDEFAULT)) 122 123oldconfig: scripts/config/conf prepare-tmpinfo FORCE 124 $< --$(if $(confdefault),$(confdefault),old)config Config.in 125 126menuconfig: scripts/config/mconf prepare-tmpinfo FORCE 127 if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \ 128 cp $(HOME)/.openwrt/defconfig .config; \ 129 fi 130 $< Config.in 131 132prepare_kernel_conf: .config FORCE 133 134ifeq ($(wildcard staging_dir/host/bin/quilt),) 135 prepare_kernel_conf: 136 @+$(SUBMAKE) -r tools/quilt/install 137else 138 prepare_kernel_conf: ; 139endif 140 141kernel_oldconfig: prepare_kernel_conf 142 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig 143 144kernel_menuconfig: prepare_kernel_conf 145 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig 146 147kernel_nconfig: prepare_kernel_conf 148 $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig 149 150staging_dir/host/.prereq-build: include/prereq-build.mk 151 mkdir -p tmp 152 rm -f tmp/.host.mk 153 @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \ 154 echo "Prerequisite check failed. Use FORCE=1 to override."; \ 155 false; \ 156 } 157 ifneq ($(realpath $(TOPDIR)/include/prepare.mk),) 158 @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \ 159 echo "Preparation failed."; \ 160 false; \ 161 } 162 endif 163 touch $@ 164 165printdb: FORCE 166 @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1 167 168download: .config FORCE 169 @+$(SUBMAKE) tools/download 170 @+$(SUBMAKE) toolchain/download 171 @+$(SUBMAKE) package/download 172 @+$(SUBMAKE) target/download 173 174clean dirclean: .config 175 @+$(SUBMAKE) -r $@ 176 177prereq:: prepare-tmpinfo .config 178 @+$(NO_TRACE_MAKE) -r -s $@ 179 180WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE)))) 181 182ifeq ($(SDK),1) 183 184%:: 185 @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq 186 @./scripts/config/conf --defconfig=.config Config.in 187 @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ 188 189else 190 191%:: 192 @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq 193 @( \ 194 cp .config tmp/.config; \ 195 ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \ 196 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \ 197 printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \ 198 fi \ 199 ) 200 @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \ 201 printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \ 202 false; \ 203 } ) 204 205endif 206 207# update all feeds, re-create index files, install symlinks 208package/symlinks: 209 ./scripts/feeds update -a 210 ./scripts/feeds install -a 211 212# re-create index files, install symlinks 213package/symlinks-install: 214 ./scripts/feeds update -i 215 ./scripts/feeds install -a 216 217# remove all symlinks, don't touch ./feeds 218package/symlinks-clean: 219 ./scripts/feeds uninstall -a 220 221help: 222 cat README 223 224docs docs/compile: FORCE 225 @$(_SINGLE)$(SUBMAKE) -C docs compile 226 227docs/clean: FORCE 228 @$(_SINGLE)$(SUBMAKE) -C docs clean 229 230distclean: 231 rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp 232 @$(_SINGLE)$(SUBMAKE) -C scripts/config clean 233 234ifeq ($(findstring v,$(DEBUG)),) 235 .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 236endif 237.PHONY: help FORCE 238.NOTPARALLEL: 239 240