rules.mk

   1 #
   2 # Copyright (C) 2006-2010 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 ifneq ($(__rules_inc),1)
   9 __rules_inc=1
  10
  11 ifeq ($(DUMP),)
  12   -include $(TOPDIR)/.config
  13 endif
  14 include $(TOPDIR)/include/debug.mk
  15 include $(TOPDIR)/include/verbose.mk
  16
  17 TMP_DIR:=$(TOPDIR)/tmp
  18
  19 GREP_OPTIONS=
  20 export GREP_OPTIONS
  21
  22 qstrip=$(strip $(subst ",,$(1)))
  23 #"))
  24
  25 empty:=
  26 space:= $(empty) $(empty)
  27 merge=$(subst $(space),,$(1))
  28 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  29 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  30
  31 define sep
  32
  33 endef
  34
  35 _SINGLE=export MAKEFLAGS=$(space);
  36 CFLAGS:=
  37 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  38 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  39 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  40 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  41 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  42 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  43 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  44 export SHELL:=/usr/bin/env bash
  45
  46 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  47
  48 ifeq ($(ARCH),powerpc)
  49   FPIC:=-fPIC
  50 else
  51   FPIC:=-fpic
  52 endif
  53
  54 HOST_FPIC:=-fPIC
  55
  56 ARCH_SUFFIX:=
  57 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  58   ARCH_SUFFIX:=_r2
  59 endif
  60 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  61   ARCH_SUFFIX:=_v4
  62 endif
  63 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_v4t
  65 endif
  66 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  67   ARCH_SUFFIX:=_v5t
  68 endif
  69 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  70   ARCH_SUFFIX:=_v5te
  71 endif
  72
  73 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  74 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  75 INCLUDE_DIR:=$(TOPDIR)/include
  76 SCRIPT_DIR:=$(TOPDIR)/scripts
  77 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  78 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  79 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  80 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  81   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  82   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  83   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  84   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  85   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  86   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  87   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  88   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  89   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  90   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  91   PACKAGE_DIR:=$(BIN_DIR)/packages
  92 else
  93   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  94     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  95   else
  96     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  97   endif
  98   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  99   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 100   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
 101   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 102   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 103   PACKAGE_DIR:=$(BIN_DIR)/packages
 104 endif
 105 STAMP_DIR:=$(BUILD_DIR)/stamp
 106 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 107 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 108 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 109 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 110 BUILD_LOG_DIR:=$(TOPDIR)/logs
 111
 112 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 113 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 114 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 115 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 116 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 117
 118 ifndef DUMP
 119   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 120     -include $(TOOLCHAIN_DIR)/info.mk
 121     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 122     TARGET_CFLAGS+= -fhonour-copts
 123     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 124     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 125     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 126   else
 127     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 128       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 129       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 130       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 131       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 132       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 133       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 134         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 135       endif
 136       ifneq ($(TOOLCHAIN_INC_DIRS),)
 137         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 138       endif
 139       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 140         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 141       endif
 142     endif
 143   endif
 144 endif
 145 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 146
 147 ifeq ($(CONFIG_SOFT_FLOAT),y)
 148   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 149   TARGET_CFLAGS+= -msoft-float
 150 else
 151   SOFT_FLOAT_CONFIG_OPTION:=
 152 endif
 153
 154 export PATH:=$(TARGET_PATH)
 155 export STAGING_DIR
 156 export GCC_HONOUR_COPTS:=0
 157 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 158
 159 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 160
 161 export PKG_CONFIG
 162
 163 HOSTCC:=gcc
 164 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 165 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 166
 167 TARGET_CC:=$(TARGET_CROSS)gcc
 168 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 169 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 170 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 171 CP:=cp -fpR
 172 LN:=ln -sf
 173
 174 INSTALL_BIN:=install -m0755
 175 INSTALL_DIR:=install -d -m0755
 176 INSTALL_DATA:=install -m0644
 177 INSTALL_CONF:=install -m0600
 178
 179 ifneq ($(CONFIG_CCACHE),)
 180   # FIXME: move this variable to a better location
 181   export CCACHE_DIR=$(STAGING_DIR)/ccache
 182   TARGET_CC:= ccache $(TARGET_CC)
 183   TARGET_CXX:= ccache $(TARGET_CXX)
 184 endif
 185
 186 TARGET_CONFIGURE_OPTS = \
 187   AR=$(TARGET_CROSS)ar \
 188   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 189   LD=$(TARGET_CROSS)ld \
 190   NM=$(TARGET_CROSS)nm \
 191   CC="$(TARGET_CC)" \
 192   GCC="$(TARGET_CC)" \
 193   CXX="$(TARGET_CXX)" \
 194   RANLIB=$(TARGET_CROSS)ranlib \
 195   STRIP=$(TARGET_CROSS)strip \
 196   OBJCOPY=$(TARGET_CROSS)objcopy \
 197   OBJDUMP=$(TARGET_CROSS)objdump \
 198   SIZE=$(TARGET_CROSS)size
 199
 200 # strip an entire directory
 201 ifneq ($(CONFIG_NO_STRIP),)
 202   RSTRIP:=:
 203   STRIP:=:
 204 else
 205   ifneq ($(CONFIG_USE_STRIP),)
 206     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 207   else
 208     ifneq ($(CONFIG_USE_SSTRIP),)
 209       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 210     endif
 211   endif
 212   RSTRIP:= \
 213     NM="$(TARGET_CROSS)nm" \
 214     STRIP="$(STRIP)" \
 215     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 216     $(SCRIPT_DIR)/rstrip.sh
 217 endif
 218
 219 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 220   DISABLE_NLS:=--enable-nls
 221 else
 222   DISABLE_NLS:=--disable-nls
 223 endif
 224
 225 ifeq ($(CONFIG_IPV6),y)
 226   DISABLE_IPV6:=
 227 else
 228   DISABLE_IPV6:=--disable-ipv6
 229 endif
 230
 231 ifeq ($(CONFIG_LARGEFILE),y)
 232   DISABLE_LARGEFILE:=
 233 else
 234   DISABLE_LARGEFILE:=--disable-largefile
 235 endif
 236
 237 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 238   TAR_OPTIONS:=-xvf -
 239 else
 240   TAR_OPTIONS:=-xf -
 241 endif
 242
 243 define shvar
 244 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 245 endef
 246
 247 define shexport
 248 $(call shvar,$(1))=$$(call $(1))
 249 export $(call shvar,$(1))
 250 endef
 251
 252 define include_mk
 253 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 254 endef
 255
 256 # Execute commands under flock
 257 # $(1) => The shell expression.
 258 # $(2) => The lock name. If not given, the global lock will be used.
 259 define locked
 260         SHELL= \
 261         $(STAGING_DIR_HOST)/bin/flock \
 262                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 263                 -c '$(subst ','\'',$(1))'
 264 endef
 265
 266 # file extension
 267 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 268
 269 all:
 270 FORCE: ;
 271 .PHONY: FORCE
 272
 273 val.%:
 274         @$(if $(filter undefined,$(origin $*)),\
 275                 echo "$* undefined" >&2, \
 276                 echo '$(subst ','"'"',$($*))' \
 277         )
 278
 279 var.%:
 280         @$(if $(filter undefined,$(origin $*)),\
 281                 echo "$* undefined" >&2, \
 282                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 283         )
 284
 285 endif #__rules_inc