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 define sep
  31
  32 endef
  33
  34 _SINGLE=export MAKEFLAGS=$(space);
  35 CFLAGS:=
  36 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  37 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  38 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  39 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  40 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  41 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  42 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  43
  44 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  45
  46 ifeq ($(ARCH),powerpc)
  47   FPIC:=-fPIC
  48 else
  49   FPIC:=-fpic
  50 endif
  51
  52 HOST_FPIC:=-fPIC
  53
  54 ARCH_SUFFIX:=
  55 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  56   ARCH_SUFFIX:=_r2
  57 endif
  58 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  59   ARCH_SUFFIX:=_v4
  60 endif
  61 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  62   ARCH_SUFFIX:=_v4t
  63 endif
  64 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  65   ARCH_SUFFIX:=_v5t
  66 endif
  67 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  68   ARCH_SUFFIX:=_v5te
  69 endif
  70
  71 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  72 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  73 INCLUDE_DIR:=$(TOPDIR)/include
  74 SCRIPT_DIR:=$(TOPDIR)/scripts
  75 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  76 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  77 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  78 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  79   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  80   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  81   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  82   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  83   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  84   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  85   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  86   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  87   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  88   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  89   PACKAGE_DIR:=$(BIN_DIR)/packages
  90 else
  91   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  92     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  93   else
  94     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  95   endif
  96   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  97   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  98   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  99   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 100   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 101   PACKAGE_DIR:=$(BIN_DIR)/packages
 102 endif
 103 STAMP_DIR:=$(BUILD_DIR)/stamp
 104 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 105 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 106 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 107 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 108 BUILD_LOG_DIR:=$(TOPDIR)/logs
 109
 110 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 111 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 112 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 113 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 114 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.a)
 115 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 116
 117 ifndef DUMP
 118   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 119     -include $(TOOLCHAIN_DIR)/info.mk
 120     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 121     TARGET_CFLAGS+= -fhonour-copts
 122     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 123     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 124     TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
 125   else
 126     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 127       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 128       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 129       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 130       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 131       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 132       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 133         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 134       endif
 135       ifneq ($(TOOLCHAIN_INC_DIRS),)
 136         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 137       endif
 138       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 139         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 140       endif
 141     endif
 142   endif
 143 endif
 144 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 145
 146 ifeq ($(CONFIG_SOFT_FLOAT),y)
 147   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 148   TARGET_CFLAGS+= -msoft-float
 149 else
 150   SOFT_FLOAT_CONFIG_OPTION:=
 151 endif
 152
 153 export PATH:=$(TARGET_PATH)
 154 export STAGING_DIR
 155 export GCC_HONOUR_COPTS:=0
 156
 157 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 158
 159 export PKG_CONFIG
 160
 161 HOSTCC:=gcc
 162 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 163 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 164
 165 TARGET_CC:=$(TARGET_CROSS)gcc
 166 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 167 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 168 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 169 CP:=cp -fpR
 170 LN:=ln -sf
 171
 172 INSTALL_BIN:=install -m0755
 173 INSTALL_DIR:=install -d -m0755
 174 INSTALL_DATA:=install -m0644
 175 INSTALL_CONF:=install -m0600
 176
 177 ifneq ($(CONFIG_CCACHE),)
 178   TARGET_CC:= ccache $(TARGET_CC)
 179 endif
 180
 181 TARGET_CONFIGURE_OPTS = \
 182   AR=$(TARGET_CROSS)ar \
 183   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 184   LD=$(TARGET_CROSS)ld \
 185   NM=$(TARGET_CROSS)nm \
 186   CC="$(TARGET_CC)" \
 187   GCC="$(TARGET_CC)" \
 188   CXX="$(TARGET_CXX)" \
 189   RANLIB=$(TARGET_CROSS)ranlib \
 190   STRIP=$(TARGET_CROSS)strip \
 191   OBJCOPY=$(TARGET_CROSS)objcopy \
 192   OBJDUMP=$(TARGET_CROSS)objdump \
 193   SIZE=$(TARGET_CROSS)size
 194
 195 # strip an entire directory
 196 ifneq ($(CONFIG_NO_STRIP),)
 197   RSTRIP:=:
 198   STRIP:=:
 199 else
 200   ifneq ($(CONFIG_USE_STRIP),)
 201     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 202   else
 203     ifneq ($(CONFIG_USE_SSTRIP),)
 204       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 205     endif
 206   endif
 207   RSTRIP:= \
 208     NM="$(TARGET_CROSS)nm" \
 209     STRIP="$(STRIP)" \
 210     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 211     $(SCRIPT_DIR)/rstrip.sh
 212 endif
 213
 214 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 215   DISABLE_NLS:=--enable-nls
 216 else
 217   DISABLE_NLS:=--disable-nls
 218 endif
 219
 220 ifeq ($(CONFIG_IPV6),y)
 221   DISABLE_IPV6:=
 222 else
 223   DISABLE_IPV6:=--disable-ipv6
 224 endif
 225
 226 ifeq ($(CONFIG_LARGEFILE),y)
 227   DISABLE_LARGEFILE:=
 228 else
 229   DISABLE_LARGEFILE:=--disable-largefile
 230 endif
 231
 232 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 233   TAR_OPTIONS:=-xvf -
 234 else
 235   TAR_OPTIONS:=-xf -
 236 endif
 237
 238 define shvar
 239 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 240 endef
 241
 242 define shexport
 243 $(call shvar,$(1))=$$(call $(1))
 244 export $(call shvar,$(1))
 245 endef
 246
 247 define include_mk
 248 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 249 endef
 250
 251 # file extension
 252 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 253
 254 all:
 255 FORCE: ;
 256 .PHONY: FORCE
 257
 258 endif #__rules_inc