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