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 ($(ARCH),powerpc)
  45   FPIC:=-fPIC
  46 else
  47   FPIC:=-fpic
  48 endif
  49
  50 ARCH_SUFFIX:=
  51 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  52   ARCH_SUFFIX:=_r2
  53 endif
  54 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  55   ARCH_SUFFIX:=_v4
  56 endif
  57 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  58   ARCH_SUFFIX:=_v4t
  59 endif
  60 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  61   ARCH_SUFFIX:=_v5t
  62 endif
  63 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_v5te
  65 endif
  66
  67 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  68 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  69 INCLUDE_DIR:=$(TOPDIR)/include
  70 SCRIPT_DIR:=$(TOPDIR)/scripts
  71 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  72 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  73 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  74 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  75   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  76   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  77   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  78   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  79   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  80   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  81   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  82   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  83   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  84   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  85   PACKAGE_DIR:=$(BIN_DIR)/packages
  86 else
  87   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  88     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  89   else
  90     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  91   endif
  92   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  93   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  94   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  95   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  96   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
  97   PACKAGE_DIR:=$(BIN_DIR)/packages
  98 endif
  99 STAMP_DIR:=$(BUILD_DIR)/stamp
 100 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 101 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 102 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 103 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 104 BUILD_LOG_DIR:=$(TOPDIR)/logs
 105
 106 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 107 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 108 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 109 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 110 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 111
 112 ifndef DUMP
 113   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 114     -include $(TOOLCHAIN_DIR)/info.mk
 115     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 116     TARGET_CFLAGS+= -fhonour-copts
 117     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 118     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 119     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 120   else
 121     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 122       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 123       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 124       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 125       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 126       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 127       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 128         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 129       endif
 130       ifneq ($(TOOLCHAIN_INC_DIRS),)
 131         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 132       endif
 133       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 134         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 135       endif
 136     endif
 137   endif
 138 endif
 139 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 140
 141 ifeq ($(CONFIG_SOFT_FLOAT),y)
 142   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 143   TARGET_CFLAGS+= -msoft-float
 144 else
 145   SOFT_FLOAT_CONFIG_OPTION:=
 146 endif
 147
 148 export PATH:=$(TARGET_PATH)
 149 export STAGING_DIR
 150 export GCC_HONOUR_COPTS:=0
 151 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 152
 153 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 154
 155 export PKG_CONFIG
 156
 157 HOSTCC:=gcc
 158 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 159 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 160
 161 TARGET_CC:=$(TARGET_CROSS)gcc
 162 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 163 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 164 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 165 CP:=cp -fpR
 166 LN:=ln -sf
 167
 168 INSTALL_BIN:=install -m0755
 169 INSTALL_DIR:=install -d -m0755
 170 INSTALL_DATA:=install -m0644
 171 INSTALL_CONF:=install -m0600
 172
 173 ifneq ($(CONFIG_CCACHE),)
 174   # FIXME: move this variable to a better location
 175   export CCACHE_DIR=$(STAGING_DIR)/ccache
 176   TARGET_CC:= ccache $(TARGET_CC)
 177   TARGET_CXX:= ccache $(TARGET_CXX)
 178 endif
 179
 180 TARGET_CONFIGURE_OPTS = \
 181   AR=$(TARGET_CROSS)ar \
 182   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 183   LD=$(TARGET_CROSS)ld \
 184   NM=$(TARGET_CROSS)nm \
 185   CC="$(TARGET_CC)" \
 186   GCC="$(TARGET_CC)" \
 187   CXX="$(TARGET_CXX)" \
 188   RANLIB=$(TARGET_CROSS)ranlib \
 189   STRIP=$(TARGET_CROSS)strip \
 190   OBJCOPY=$(TARGET_CROSS)objcopy \
 191   OBJDUMP=$(TARGET_CROSS)objdump \
 192   SIZE=$(TARGET_CROSS)size
 193
 194 # strip an entire directory
 195 ifneq ($(CONFIG_NO_STRIP),)
 196   RSTRIP:=:
 197   STRIP:=:
 198 else
 199   ifneq ($(CONFIG_USE_STRIP),)
 200     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 201   else
 202     ifneq ($(CONFIG_USE_SSTRIP),)
 203       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 204     endif
 205   endif
 206   RSTRIP:= \
 207     NM="$(TARGET_CROSS)nm" \
 208     STRIP="$(STRIP)" \
 209     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 210     $(SCRIPT_DIR)/rstrip.sh
 211 endif
 212
 213 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 214   DISABLE_NLS:=--enable-nls
 215 else
 216   DISABLE_NLS:=--disable-nls
 217 endif
 218
 219 ifeq ($(CONFIG_IPV6),y)
 220   DISABLE_IPV6:=
 221 else
 222   DISABLE_IPV6:=--disable-ipv6
 223 endif
 224
 225 ifeq ($(CONFIG_LARGEFILE),y)
 226   DISABLE_LARGEFILE:=
 227 else
 228   DISABLE_LARGEFILE:=--disable-largefile
 229 endif
 230
 231 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 232   TAR_OPTIONS:=-xvf -
 233 else
 234   TAR_OPTIONS:=-xf -
 235 endif
 236
 237 define shvar
 238 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 239 endef
 240
 241 define shexport
 242 $(call shvar,$(1))=$$(call $(1))
 243 export $(call shvar,$(1))
 244 endef
 245
 246 define include_mk
 247 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 248 endef
 249
 250 # file extension
 251 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 252
 253 all:
 254 FORCE: ;
 255 .PHONY: FORCE
 256
 257 val.%:
 258         @$(if $(filter undefined,$(origin $*)),\
 259                 echo "$* undefined" >&2, \
 260                 echo '$(subst ','"'"',$($*))' \
 261         )
 262
 263 var.%:
 264         @$(if $(filter undefined,$(origin $*)),\
 265                 echo "$* undefined" >&2, \
 266                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 267         )
 268
 269 endif #__rules_inc