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