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 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  20
  21 qstrip=$(strip $(subst ",,$(1)))
  22 #"))
  23
  24 empty:=
  25 space:= $(empty) $(empty)
  26 merge=$(subst $(space),,$(1))
  27 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  28 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  29
  30 _SINGLE=export MAKEFLAGS=$(space);
  31 CFLAGS:=
  32 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  33 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  34 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  35 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  36 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  37 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  38
  39 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  40
  41 ifeq ($(ARCH),powerpc)
  42   FPIC:=-fPIC
  43 else
  44   FPIC:=-fpic
  45 endif
  46
  47 ARCH_SUFFIX:=
  48 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  49   ARCH_SUFFIX:=_r2
  50 endif
  51 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  52   ARCH_SUFFIX:=_v4
  53 endif
  54 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  55   ARCH_SUFFIX:=_v4t
  56 endif
  57 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  58   ARCH_SUFFIX:=_v5t
  59 endif
  60 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  61   ARCH_SUFFIX:=_v5te
  62 endif
  63
  64 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  65 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  66 INCLUDE_DIR:=$(TOPDIR)/include
  67 SCRIPT_DIR:=$(TOPDIR)/scripts
  68 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  69 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  70 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  71 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  72   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  73   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  74   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  75   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  76   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  77   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  78   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  79   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  80   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  81   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  82   PACKAGE_DIR:=$(BIN_DIR)/packages
  83 else
  84   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  85     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  86   else
  87     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  88   endif
  89   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  90   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  91   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  92   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  93   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  94   PACKAGE_DIR:=$(BIN_DIR)/packages
  95 endif
  96 STAMP_DIR:=$(BUILD_DIR)/stamp
  97 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
  98 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
  99 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 100 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 101 BUILD_LOG_DIR:=$(TOPDIR)/logs
 102
 103 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 104 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 105 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 106 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 107 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 108
 109 ifndef DUMP
 110   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 111     -include $(TOOLCHAIN_DIR)/info.mk
 112     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 113     TARGET_CFLAGS+= -fhonour-copts
 114     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 115     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 116     TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
 117   else
 118     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 119       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 120       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 121       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 122       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 123       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 124       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 125         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 126       endif
 127       ifneq ($(TOOLCHAIN_INC_DIRS),)
 128         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 129       endif
 130       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 131         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 132       endif
 133     endif
 134   endif
 135 endif
 136 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 137
 138 ifeq ($(CONFIG_SOFT_FLOAT),y)
 139   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 140   TARGET_CFLAGS+= -msoft-float
 141 else
 142   SOFT_FLOAT_CONFIG_OPTION:=
 143 endif
 144
 145 export PATH:=$(TARGET_PATH)
 146 export STAGING_DIR
 147 export GCC_HONOUR_COPTS:=0
 148
 149 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 150
 151 export PKG_CONFIG
 152
 153 HOSTCC:=gcc
 154 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 155 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 156
 157 TARGET_CC:=$(TARGET_CROSS)gcc
 158 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 159 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 160 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 161 CP:=cp -fpR
 162 LN:=ln -sf
 163
 164 INSTALL_BIN:=install -m0755
 165 INSTALL_DIR:=install -d -m0755
 166 INSTALL_DATA:=install -m0644
 167 INSTALL_CONF:=install -m0600
 168
 169 ifneq ($(CONFIG_CCACHE),)
 170   # FIXME: move this variable to a better location
 171   export CCACHE_DIR=$(STAGING_DIR)/ccache
 172   TARGET_CC:= ccache $(TARGET_CC)
 173 endif
 174
 175 TARGET_CONFIGURE_OPTS = \
 176   AR=$(TARGET_CROSS)ar \
 177   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 178   LD=$(TARGET_CROSS)ld \
 179   NM=$(TARGET_CROSS)nm \
 180   CC="$(TARGET_CC)" \
 181   GCC="$(TARGET_CC)" \
 182   CXX="$(TARGET_CXX)" \
 183   RANLIB=$(TARGET_CROSS)ranlib \
 184   STRIP=$(TARGET_CROSS)strip \
 185   OBJCOPY=$(TARGET_CROSS)objcopy \
 186   OBJDUMP=$(TARGET_CROSS)objdump \
 187   SIZE=$(TARGET_CROSS)size
 188
 189 # strip an entire directory
 190 ifneq ($(CONFIG_NO_STRIP),)
 191   RSTRIP:=:
 192   STRIP:=:
 193 else
 194   ifneq ($(CONFIG_USE_STRIP),)
 195     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 196   else
 197     ifneq ($(CONFIG_USE_SSTRIP),)
 198       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 199     endif
 200   endif
 201   RSTRIP:= \
 202     NM="$(TARGET_CROSS)nm" \
 203     STRIP="$(STRIP)" \
 204     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 205     $(SCRIPT_DIR)/rstrip.sh
 206 endif
 207
 208 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 209   DISABLE_NLS:=--enable-nls
 210 else
 211   DISABLE_NLS:=--disable-nls
 212 endif
 213
 214 ifeq ($(CONFIG_IPV6),y)
 215   DISABLE_IPV6:=
 216 else
 217   DISABLE_IPV6:=--disable-ipv6
 218 endif
 219
 220 ifeq ($(CONFIG_LARGEFILE),y)
 221   DISABLE_LARGEFILE:=
 222 else
 223   DISABLE_LARGEFILE:=--disable-largefile
 224 endif
 225
 226 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 227   TAR_OPTIONS:=-xvf -
 228 else
 229   TAR_OPTIONS:=-xf -
 230 endif
 231
 232 define shvar
 233 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 234 endef
 235
 236 define shexport
 237 $(call shvar,$(1))=$$(call $(1))
 238 export $(call shvar,$(1))
 239 endef
 240
 241 define include_mk
 242 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 243 endef
 244
 245 # file extension
 246 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 247
 248 all:
 249 FORCE: ;
 250 .PHONY: FORCE
 251
 252 endif #__rules_inc