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 define sep
  32
  33 endef
  34
  35 _SINGLE=export MAKEFLAGS=$(space);
  36 CFLAGS:=
  37 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  38 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  39 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  40 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  41 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  42 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  43 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  44 export SHELL:=/usr/bin/env bash
  45
  46 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  47
  48 ifeq ($(ARCH),powerpc)
  49   FPIC:=-fPIC
  50 else
  51   FPIC:=-fpic
  52 endif
  53
  54 HOST_FPIC:=-fPIC
  55
  56 ARCH_SUFFIX:=
  57 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  58   ARCH_SUFFIX:=_r2
  59 endif
  60 ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
  61   ARCH_SUFFIX:=_v4
  62 endif
  63 ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_v4t
  65 endif
  66 ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
  67   ARCH_SUFFIX:=_v5t
  68 endif
  69 ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
  70   ARCH_SUFFIX:=_v5te
  71 endif
  72 ifdef CONFIG_HAS_SPE_FPU
  73   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  74 endif
  75
  76 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  77 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  78 INCLUDE_DIR:=$(TOPDIR)/include
  79 SCRIPT_DIR:=$(TOPDIR)/scripts
  80 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  81 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  82 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  83 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  84   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  85   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  86   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  87   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  88   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  89   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
  90   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  91   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  92   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  93   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  94   PACKAGE_DIR:=$(BIN_DIR)/packages
  95 else
  96   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  97     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  98   else
  99     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 100   endif
 101   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 102   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 103   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
 104   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 105   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 106   PACKAGE_DIR:=$(BIN_DIR)/packages
 107 endif
 108 STAMP_DIR:=$(BUILD_DIR)/stamp
 109 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 110 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 111 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 112 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 113 BUILD_LOG_DIR:=$(TOPDIR)/logs
 114
 115 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 116 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 117 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 118 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 119 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 120
 121 ifndef DUMP
 122   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 123     -include $(TOOLCHAIN_DIR)/info.mk
 124     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 125     TARGET_CFLAGS+= -fhonour-copts
 126     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 127     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 128     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 129   else
 130     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 131       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 132       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 133       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 134       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 135       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 136       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 137         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 138       endif
 139       ifneq ($(TOOLCHAIN_INC_DIRS),)
 140         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 141       endif
 142       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 143         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 144       endif
 145     endif
 146   endif
 147 endif
 148 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 149
 150 ifeq ($(CONFIG_SOFT_FLOAT),y)
 151   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 152   TARGET_CFLAGS+= -msoft-float
 153 else
 154   SOFT_FLOAT_CONFIG_OPTION:=
 155 endif
 156
 157 export PATH:=$(TARGET_PATH)
 158 export STAGING_DIR
 159 export GCC_HONOUR_COPTS:=0
 160 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 161
 162 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 163
 164 export PKG_CONFIG
 165
 166 HOSTCC:=gcc
 167 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 168 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 169
 170 TARGET_CC:=$(TARGET_CROSS)gcc
 171 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 172 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 173 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 174 CP:=cp -fpR
 175 LN:=ln -sf
 176
 177 INSTALL_BIN:=install -m0755
 178 INSTALL_DIR:=install -d -m0755
 179 INSTALL_DATA:=install -m0644
 180 INSTALL_CONF:=install -m0600
 181
 182 ifneq ($(CONFIG_CCACHE),)
 183   # FIXME: move this variable to a better location
 184   export CCACHE_DIR=$(STAGING_DIR)/ccache
 185   TARGET_CC:= ccache $(TARGET_CC)
 186   TARGET_CXX:= ccache $(TARGET_CXX)
 187 endif
 188
 189 TARGET_CONFIGURE_OPTS = \
 190   AR=$(TARGET_CROSS)ar \
 191   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 192   LD=$(TARGET_CROSS)ld \
 193   NM=$(TARGET_CROSS)nm \
 194   CC="$(TARGET_CC)" \
 195   GCC="$(TARGET_CC)" \
 196   CXX="$(TARGET_CXX)" \
 197   RANLIB=$(TARGET_CROSS)ranlib \
 198   STRIP=$(TARGET_CROSS)strip \
 199   OBJCOPY=$(TARGET_CROSS)objcopy \
 200   OBJDUMP=$(TARGET_CROSS)objdump \
 201   SIZE=$(TARGET_CROSS)size
 202
 203 # strip an entire directory
 204 ifneq ($(CONFIG_NO_STRIP),)
 205   RSTRIP:=:
 206   STRIP:=:
 207 else
 208   ifneq ($(CONFIG_USE_STRIP),)
 209     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 210   else
 211     ifneq ($(CONFIG_USE_SSTRIP),)
 212       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 213     endif
 214   endif
 215   RSTRIP:= \
 216     NM="$(TARGET_CROSS)nm" \
 217     STRIP="$(STRIP)" \
 218     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment --remove-section=.pdr --remove-section=.mdebug.abi32" \
 219     $(SCRIPT_DIR)/rstrip.sh
 220 endif
 221
 222 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 223   DISABLE_NLS:=--enable-nls
 224 else
 225   DISABLE_NLS:=--disable-nls
 226 endif
 227
 228 ifeq ($(CONFIG_IPV6),y)
 229   DISABLE_IPV6:=
 230 else
 231   DISABLE_IPV6:=--disable-ipv6
 232 endif
 233
 234 ifeq ($(CONFIG_LARGEFILE),y)
 235   DISABLE_LARGEFILE:=
 236 else
 237   DISABLE_LARGEFILE:=--disable-largefile
 238 endif
 239
 240 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 241   TAR_OPTIONS:=-xvf -
 242 else
 243   TAR_OPTIONS:=-xf -
 244 endif
 245
 246 define shvar
 247 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 248 endef
 249
 250 define shexport
 251 $(call shvar,$(1))=$$(call $(1))
 252 export $(call shvar,$(1))
 253 endef
 254
 255 define include_mk
 256 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 257 endef
 258
 259 # Execute commands under flock
 260 # $(1) => The shell expression.
 261 # $(2) => The lock name. If not given, the global lock will be used.
 262 define locked
 263         SHELL= \
 264         $(STAGING_DIR_HOST)/bin/flock \
 265                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 266                 -c '$(subst ','\'',$(1))'
 267 endef
 268
 269 # file extension
 270 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 271
 272 all:
 273 FORCE: ;
 274 .PHONY: FORCE
 275
 276 val.%:
 277         @$(if $(filter undefined,$(origin $*)),\
 278                 echo "$* undefined" >&2, \
 279                 echo '$(subst ','"'"',$($*))' \
 280         )
 281
 282 var.%:
 283         @$(if $(filter undefined,$(origin $*)),\
 284                 echo "$* undefined" >&2, \
 285                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 286         )
 287
 288 endif #__rules_inc