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 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  35 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  36 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  37 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  38 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  39 export SHELL:=/usr/bin/env bash
  40
  41 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  42
  43 ifeq ($(ARCH),powerpc)
  44   FPIC:=-fPIC
  45 else
  46   FPIC:=-fpic
  47 endif
  48
  49 ARCH_SUFFIX:=
  50 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  51   ARCH_SUFFIX:=_r2
  52 endif
  53 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  54   ARCH_SUFFIX:=_v4
  55 endif
  56 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  57   ARCH_SUFFIX:=_v4t
  58 endif
  59 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  60   ARCH_SUFFIX:=_v5t
  61 endif
  62 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  63   ARCH_SUFFIX:=_v5te
  64 endif
  65
  66 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  67 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  68 INCLUDE_DIR:=$(TOPDIR)/include
  69 SCRIPT_DIR:=$(TOPDIR)/scripts
  70 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  71 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  72 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  73 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  74   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  75   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  76   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  77   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  78   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  79   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  80   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  81   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  82   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  83   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  84   PACKAGE_DIR:=$(BIN_DIR)/packages
  85 else
  86   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  87     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  88   else
  89     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  90   endif
  91   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  92   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  93   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  94   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  95   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  96   PACKAGE_DIR:=$(BIN_DIR)/packages
  97 endif
  98 STAMP_DIR:=$(BUILD_DIR)/stamp
  99 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 100 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 101 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 102 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 103 BUILD_LOG_DIR:=$(TOPDIR)/logs
 104
 105 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 106 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 107 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 108 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 109 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a))
 110
 111 ifndef DUMP
 112   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 113     -include $(TOOLCHAIN_DIR)/info.mk
 114     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 115     TARGET_CFLAGS+= -fhonour-copts
 116     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 117     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 118     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 119   else
 120     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 121       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 122       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 123       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 124       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 125       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 126       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 127         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 128       endif
 129       ifneq ($(TOOLCHAIN_INC_DIRS),)
 130         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 131       endif
 132       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 133         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 134       endif
 135     endif
 136   endif
 137 endif
 138 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 139
 140 ifeq ($(CONFIG_SOFT_FLOAT),y)
 141   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 142   TARGET_CFLAGS+= -msoft-float
 143 else
 144   SOFT_FLOAT_CONFIG_OPTION:=
 145 endif
 146
 147 export PATH:=$(TARGET_PATH)
 148 export STAGING_DIR
 149 export GCC_HONOUR_COPTS:=0
 150 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 151
 152 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 153
 154 export PKG_CONFIG
 155
 156 HOSTCC:=gcc
 157 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 158 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 159
 160 TARGET_CC:=$(TARGET_CROSS)gcc
 161 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 162 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 163 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 164 CP:=cp -fpR
 165 LN:=ln -sf
 166
 167 INSTALL_BIN:=install -m0755
 168 INSTALL_DIR:=install -d -m0755
 169 INSTALL_DATA:=install -m0644
 170 INSTALL_CONF:=install -m0600
 171
 172 ifneq ($(CONFIG_CCACHE),)
 173   # FIXME: move this variable to a better location
 174   export CCACHE_DIR=$(STAGING_DIR)/ccache
 175   TARGET_CC:= ccache $(TARGET_CC)
 176   TARGET_CXX:= ccache $(TARGET_CXX)
 177 endif
 178
 179 TARGET_CONFIGURE_OPTS = \
 180   AR=$(TARGET_CROSS)ar \
 181   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 182   LD=$(TARGET_CROSS)ld \
 183   NM=$(TARGET_CROSS)nm \
 184   CC="$(TARGET_CC)" \
 185   GCC="$(TARGET_CC)" \
 186   CXX="$(TARGET_CXX)" \
 187   RANLIB=$(TARGET_CROSS)ranlib \
 188   STRIP=$(TARGET_CROSS)strip \
 189   OBJCOPY=$(TARGET_CROSS)objcopy \
 190   OBJDUMP=$(TARGET_CROSS)objdump \
 191   SIZE=$(TARGET_CROSS)size
 192
 193 # strip an entire directory
 194 ifneq ($(CONFIG_NO_STRIP),)
 195   RSTRIP:=:
 196   STRIP:=:
 197 else
 198   ifneq ($(CONFIG_USE_STRIP),)
 199     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 200   else
 201     ifneq ($(CONFIG_USE_SSTRIP),)
 202       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 203     endif
 204   endif
 205   RSTRIP:= \
 206     NM="$(TARGET_CROSS)nm" \
 207     STRIP="$(STRIP)" \
 208     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 209     $(SCRIPT_DIR)/rstrip.sh
 210 endif
 211
 212 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 213   DISABLE_NLS:=--enable-nls
 214 else
 215   DISABLE_NLS:=--disable-nls
 216 endif
 217
 218 ifeq ($(CONFIG_IPV6),y)
 219   DISABLE_IPV6:=
 220 else
 221   DISABLE_IPV6:=--disable-ipv6
 222 endif
 223
 224 ifeq ($(CONFIG_LARGEFILE),y)
 225   DISABLE_LARGEFILE:=
 226 else
 227   DISABLE_LARGEFILE:=--disable-largefile
 228 endif
 229
 230 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 231   TAR_OPTIONS:=-xvf -
 232 else
 233   TAR_OPTIONS:=-xf -
 234 endif
 235
 236 define shvar
 237 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 238 endef
 239
 240 define shexport
 241 $(call shvar,$(1))=$$(call $(1))
 242 export $(call shvar,$(1))
 243 endef
 244
 245 define include_mk
 246 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 247 endef
 248
 249 # file extension
 250 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 251
 252 all:
 253 FORCE: ;
 254 .PHONY: FORCE
 255
 256 endif #__rules_inc