include/toplevel.mk

   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
   9 PREP_MK= OPENWRT_BUILD= QUIET=0
  10
  11 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
  12
  13 include $(TOPDIR)/include/verbose.mk
  14
  15 ifeq ($(SDK),1)
  16   include $(TOPDIR)/include/version.mk
  17 else
  18   REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
  19   SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
  20 endif
  21
  22 HOSTCC ?= $(CC)
  23 export REVISION
  24 export SOURCE_DATE_EPOCH
  25 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
  26 export GIT_ASKPASS:=/bin/true
  27 export MAKE_JOBSERVER=$(filter --jobserver%,$(MAKEFLAGS))
  28 export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
  29 export HOST_OS:=$(shell uname)
  30 export HOST_ARCH:=$(shell uname -m)
  31
  32 # prevent perforce from messing with the patch utility
  33 unexport P4PORT P4USER P4CONFIG P4CLIENT
  34
  35 # prevent user defaults for quilt from interfering
  36 unexport QUILT_PATCHES QUILT_PATCH_OPTS
  37
  38 unexport C_INCLUDE_PATH CROSS_COMPILE ARCH
  39
  40 # prevent distro default LPATH from interfering
  41 unexport LPATH
  42
  43 # make sure that a predefined CFLAGS variable does not disturb packages
  44 export CFLAGS=
  45 export LDFLAGS=
  46
  47 empty:=
  48 space:= $(empty) $(empty)
  49 path:=$(subst :,$(space),$(PATH))
  50 path:=$(filter-out .%,$(path))
  51 path:=$(subst $(space),:,$(path))
  52 export PATH:=$(path)
  53
  54 unexport TAR_OPTIONS
  55
  56 ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
  57   export HOSTCC_REAL?=$(HOSTCC)
  58   export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
  59 else
  60   export HOSTCC_WRAPPER:=$(HOSTCC)
  61 endif
  62
  63 ifeq ($(FORCE),)
  64   .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
  65 endif
  66
  67 SCAN_COOKIE?=$(shell echo $$$$)
  68 export SCAN_COOKIE
  69
  70 SUBMAKE:=umask 022; $(SUBMAKE)
  71
  72 ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024 ] || ulimit -n 1024;
  73
  74 prepare-mk: staging_dir/host/.prereq-build FORCE ;
  75
  76 ifdef SDK
  77   IGNORE_PACKAGES = linux
  78 endif
  79
  80 _ignore = $(foreach p,$(IGNORE_PACKAGES),--ignore $(p))
  81
  82 prepare-tmpinfo: FORCE
  83         @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
  84         mkdir -p tmp/info
  85         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
  86         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="image/Makefile profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
  87         for type in package target; do \
  88                 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
  89                 [ "$$t" -nt "$$f" ] || ./scripts/$${type}-metadata.pl $(_ignore) config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
  90         done
  91         [ tmp/.config-feeds.in -nt tmp/.packagesubdirs ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
  92         ./scripts/package-metadata.pl mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
  93         ./scripts/package-metadata.pl subdirs tmp/.packageinfo > tmp/.packagesubdirs || { rm -f tmp/.packagesubdirs; false; }
  94         touch $(TOPDIR)/tmp/.build
  95
  96 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
  97         @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
  98                 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
  99                 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
 100         fi
 101
 102 scripts/config/mconf:
 103         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
 104
 105 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 106
 107 scripts/config/conf:
 108         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
 109
 110 config: scripts/config/conf prepare-tmpinfo FORCE
 111         [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
 112                 $< Config.in
 113
 114 config-clean: FORCE
 115         $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
 116
 117 defconfig: scripts/config/conf prepare-tmpinfo FORCE
 118         touch .config
 119         @if [ ! -s .config -a -e $(HOME)/.openwrt/defconfig ]; then cp $(HOME)/.openwrt/defconfig .config; fi
 120         [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
 121                 $< --defconfig=.config Config.in
 122
 123 confdefault-y=allyes
 124 confdefault-m=allmod
 125 confdefault-n=allno
 126 confdefault:=$(confdefault-$(CONFDEFAULT))
 127
 128 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
 129         [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
 130                 $< --$(if $(confdefault),$(confdefault),old)config Config.in
 131
 132 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
 133         if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
 134                 cp $(HOME)/.openwrt/defconfig .config; \
 135         fi
 136         [ -L .config ] && export KCONFIG_OVERWRITECONFIG=1; \
 137                 $< Config.in
 138
 139 prepare_kernel_conf: .config FORCE
 140
 141 ifeq ($(wildcard staging_dir/host/bin/quilt),)
 142   prepare_kernel_conf:
 143         @+$(SUBMAKE) -r tools/quilt/compile
 144 else
 145   prepare_kernel_conf: ;
 146 endif
 147
 148 kernel_oldconfig: prepare_kernel_conf
 149         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
 150
 151 kernel_menuconfig: prepare_kernel_conf
 152         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
 153
 154 kernel_nconfig: prepare_kernel_conf
 155         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
 156
 157 staging_dir/host/.prereq-build: include/prereq-build.mk
 158         mkdir -p tmp
 159         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
 160                 echo "Prerequisite check failed. Use FORCE=1 to override."; \
 161                 false; \
 162         }
 163   ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
 164         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
 165                 echo "Preparation failed."; \
 166                 false; \
 167         }
 168   endif
 169         touch $@
 170
 171 printdb: FORCE
 172         @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
 173
 174 ifndef SDK
 175   DOWNLOAD_DIRS = tools/download toolchain/download package/download target/download
 176 else
 177   DOWNLOAD_DIRS = package/download
 178 endif
 179
 180 download: .config FORCE $(if $(wildcard $(TOPDIR)/staging_dir/host/bin/flock),,tools/flock/compile)
 181         @+$(foreach dir,$(DOWNLOAD_DIRS),$(SUBMAKE) $(dir);)
 182
 183 clean dirclean: .config
 184         @+$(SUBMAKE) -r $@
 185
 186 prereq:: prepare-tmpinfo .config
 187         @+$(NO_TRACE_MAKE) -r -s $@
 188
 189 check: .config FORCE
 190         @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
 191
 192 val.%: FORCE
 193         @+$(NO_TRACE_MAKE) -r -s $@ QUIET= V=s
 194
 195 WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
 196
 197 ifeq ($(SDK),1)
 198
 199 %::
 200         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
 201         @./scripts/config/conf --defconfig=.config Config.in
 202         @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
 203
 204 else
 205
 206 %::
 207         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
 208         @( \
 209                 cp .config tmp/.config; \
 210                 ./scripts/config/conf --defconfig=tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
 211                 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
 212                         printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
 213                 fi \
 214         )
 215         @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
 216                 printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
 217                 false; \
 218         } )
 219
 220 endif
 221
 222 # update all feeds, re-create index files, install symlinks
 223 package/symlinks:
 224         ./scripts/feeds update -a
 225         ./scripts/feeds install -a
 226
 227 # re-create index files, install symlinks
 228 package/symlinks-install:
 229         ./scripts/feeds update -i
 230         ./scripts/feeds install -a
 231
 232 # remove all symlinks, don't touch ./feeds
 233 package/symlinks-clean:
 234         ./scripts/feeds uninstall -a
 235
 236 help:
 237         cat README
 238
 239 distclean:
 240         rm -rf bin build_dir .config* dl feeds key-build* logs package/feeds package/openwrt-packages staging_dir tmp
 241         @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
 242
 243 ifeq ($(findstring v,$(DEBUG)),)
 244   .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
 245 endif
 246 .PHONY: help FORCE
 247 .NOTPARALLEL:
 248