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