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 _SINGLE=export MAKEFLAGS=$(space);
  32 CFLAGS:=
  33 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  34 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  35 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  36 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  37 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  38 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  39 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  40 export SHELL:=/usr/bin/env bash
  41
  42 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  43
  44 ifeq ($(ARCH),powerpc)
  45   FPIC:=-fPIC
  46 else
  47   FPIC:=-fpic
  48 endif
  49
  50 HOST_FPIC:=-fPIC
  51
  52 ARCH_SUFFIX:=
  53 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  54   ARCH_SUFFIX:=_r2
  55 endif
  56 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  57   ARCH_SUFFIX:=_v4
  58 endif
  59 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  60   ARCH_SUFFIX:=_v4t
  61 endif
  62 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  63   ARCH_SUFFIX:=_v5t
  64 endif
  65 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  66   ARCH_SUFFIX:=_v5te
  67 endif
  68
  69 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  70 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  71 INCLUDE_DIR:=$(TOPDIR)/include
  72 SCRIPT_DIR:=$(TOPDIR)/scripts
  73 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  74 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  75 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  76 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  77   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  78   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  79   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  80   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  81   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  82   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  83   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  84   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  85   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  86   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  87   PACKAGE_DIR:=$(BIN_DIR)/packages
  88 else
  89   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  90     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  91   else
  92     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  93   endif
  94   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  95   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  96   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  97   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  98   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  99   PACKAGE_DIR:=$(BIN_DIR)/packages
 100 endif
 101 STAMP_DIR:=$(BUILD_DIR)/stamp
 102 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 103 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 104 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 105 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 106 BUILD_LOG_DIR:=$(TOPDIR)/logs
 107
 108 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 109 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 110 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 111 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 112 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 113
 114 ifndef DUMP
 115   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 116     -include $(TOOLCHAIN_DIR)/info.mk
 117     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 118     TARGET_CFLAGS+= -fhonour-copts
 119     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 120     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 121     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 122   else
 123     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 124       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 125       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 126       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 127       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 128       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 129       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 130         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 131       endif
 132       ifneq ($(TOOLCHAIN_INC_DIRS),)
 133         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 134       endif
 135       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 136         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 137       endif
 138     endif
 139   endif
 140 endif
 141 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 142
 143 ifeq ($(CONFIG_SOFT_FLOAT),y)
 144   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 145   TARGET_CFLAGS+= -msoft-float
 146 else
 147   SOFT_FLOAT_CONFIG_OPTION:=
 148 endif
 149
 150 export PATH:=$(TARGET_PATH)
 151 export STAGING_DIR
 152 export GCC_HONOUR_COPTS:=0
 153 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 154
 155 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 156
 157 export PKG_CONFIG
 158
 159 HOSTCC:=gcc
 160 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 161 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 162
 163 TARGET_CC:=$(TARGET_CROSS)gcc
 164 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 165 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 166 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 167 CP:=cp -fpR
 168 LN:=ln -sf
 169
 170 INSTALL_BIN:=install -m0755
 171 INSTALL_DIR:=install -d -m0755
 172 INSTALL_DATA:=install -m0644
 173 INSTALL_CONF:=install -m0600
 174
 175 ifneq ($(CONFIG_CCACHE),)
 176   # FIXME: move this variable to a better location
 177   export CCACHE_DIR=$(STAGING_DIR)/ccache
 178   TARGET_CC:= ccache $(TARGET_CC)
 179   TARGET_CXX:= ccache $(TARGET_CXX)
 180 endif
 181
 182 TARGET_CONFIGURE_OPTS = \
 183   AR=$(TARGET_CROSS)ar \
 184   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 185   LD=$(TARGET_CROSS)ld \
 186   NM=$(TARGET_CROSS)nm \
 187   CC="$(TARGET_CC)" \
 188   GCC="$(TARGET_CC)" \
 189   CXX="$(TARGET_CXX)" \
 190   RANLIB=$(TARGET_CROSS)ranlib \
 191   STRIP=$(TARGET_CROSS)strip \
 192   OBJCOPY=$(TARGET_CROSS)objcopy \
 193   OBJDUMP=$(TARGET_CROSS)objdump \
 194   SIZE=$(TARGET_CROSS)size
 195
 196 # strip an entire directory
 197 ifneq ($(CONFIG_NO_STRIP),)
 198   RSTRIP:=:
 199   STRIP:=:
 200 else
 201   ifneq ($(CONFIG_USE_STRIP),)
 202     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 203   else
 204     ifneq ($(CONFIG_USE_SSTRIP),)
 205       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 206     endif
 207   endif
 208   RSTRIP:= \
 209     NM="$(TARGET_CROSS)nm" \
 210     STRIP="$(STRIP)" \
 211     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 212     $(SCRIPT_DIR)/rstrip.sh
 213 endif
 214
 215 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 216   DISABLE_NLS:=--enable-nls
 217 else
 218   DISABLE_NLS:=--disable-nls
 219 endif
 220
 221 ifeq ($(CONFIG_IPV6),y)
 222   DISABLE_IPV6:=
 223 else
 224   DISABLE_IPV6:=--disable-ipv6
 225 endif
 226
 227 ifeq ($(CONFIG_LARGEFILE),y)
 228   DISABLE_LARGEFILE:=
 229 else
 230   DISABLE_LARGEFILE:=--disable-largefile
 231 endif
 232
 233 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 234   TAR_OPTIONS:=-xvf -
 235 else
 236   TAR_OPTIONS:=-xf -
 237 endif
 238
 239 define shvar
 240 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 241 endef
 242
 243 define shexport
 244 $(call shvar,$(1))=$$(call $(1))
 245 export $(call shvar,$(1))
 246 endef
 247
 248 define include_mk
 249 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 250 endef
 251
 252 # Execute commands under flock
 253 # $(1) => The shell expression.
 254 # $(2) => The lock name. If not given, the global lock will be used.
 255 # $(3) => The filedescriptor used for the lock. Defaults to 1023.
 256 define locked
 257     ( $(STAGING_DIR_HOST)/bin/flock -x $(if $(3),$(3),1023) && \
 258       $(1) \
 259     ) $(if $(3),$(strip $(3)),1023)>$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock
 260 endef
 261
 262 # file extension
 263 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 264
 265 all:
 266 FORCE: ;
 267 .PHONY: FORCE
 268
 269 val.%:
 270         @$(if $(filter undefined,$(origin $*)),\
 271                 echo "$* undefined" >&2, \
 272                 echo '$(subst ','"'"',$($*))' \
 273         )
 274
 275 var.%:
 276         @$(if $(filter undefined,$(origin $*)),\
 277                 echo "$* undefined" >&2, \
 278                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 279         )
 280
 281 endif #__rules_inc