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 ($(ARCH),powerpc)
  49   FPIC:=-fPIC
  50 else
  51   FPIC:=-fpic
  52 endif
  53
  54 HOST_FPIC:=-fPIC
  55
  56 ARCH_SUFFIX:=
  57 GCC_ARCH:=
  58
  59 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  60   ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  61   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  62 endif
  63 ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_r2
  65 endif
  66 ifdef CONFIG_HAS_SPE_FPU
  67   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  68 endif
  69
  70 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  71 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  72 INCLUDE_DIR:=$(TOPDIR)/include
  73 SCRIPT_DIR:=$(TOPDIR)/scripts
  74 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  75 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  76 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  77 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  78   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  79   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  80   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  81   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  82   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  83   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  84   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  85   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
  86   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  87   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  88   PACKAGE_DIR:=$(BIN_DIR)/packages
  89 else
  90   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  91     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  92   else
  93     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  94   endif
  95   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  96   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  97   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
  98   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
  99   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 100   PACKAGE_DIR:=$(BIN_DIR)/packages
 101 endif
 102 STAMP_DIR:=$(BUILD_DIR)/stamp
 103 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 104 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 105 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 106 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 107 BUILD_LOG_DIR:=$(TOPDIR)/logs
 108
 109 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(PATH)
 110 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 111 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 112 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 113 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 114 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 115 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 116 LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
 117 else
 118 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
 119 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 120 endif
 121 ifdef CONFIG_USE_UCLIBC
 122 LIBRPC=-lrpc
 123 endif
 124 LIBRPC_DEPENDS=+USE_UCLIBC:librpc
 125
 126 ifndef DUMP
 127   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 128     -include $(TOOLCHAIN_DIR)/info.mk
 129     export GCC_HONOUR_COPTS:=0
 130     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 131     TARGET_CFLAGS+= -fhonour-copts
 132     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 133     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 134     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 135   else
 136     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 137       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 138       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 139       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 140       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 141       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 142       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 143         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 144       endif
 145       ifneq ($(TOOLCHAIN_INC_DIRS),)
 146         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 147       endif
 148       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 149         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 150       endif
 151       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 152     endif
 153   endif
 154 endif
 155 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 156
 157 ifeq ($(CONFIG_SOFT_FLOAT),y)
 158   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 159   TARGET_CFLAGS+= -msoft-float
 160 else
 161   SOFT_FLOAT_CONFIG_OPTION:=
 162 endif
 163
 164 export PATH:=$(TARGET_PATH)
 165 export STAGING_DIR
 166 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 167
 168 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 169
 170 export PKG_CONFIG
 171
 172 HOSTCC:=gcc
 173 HOSTCC_NOCACHE:=$(HOSTCC)
 174 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 175 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 176
 177 TARGET_CC:=$(TARGET_CROSS)gcc
 178 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 179 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 180 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 181 CP:=cp -fpR
 182 LN:=ln -sf
 183
 184 INSTALL_BIN:=install -m0755
 185 INSTALL_DIR:=install -d -m0755
 186 INSTALL_DATA:=install -m0644
 187 INSTALL_CONF:=install -m0600
 188
 189 ifneq ($(CONFIG_CCACHE),)
 190   TARGET_CC:= ccache $(TARGET_CC)
 191   TARGET_CXX:= ccache $(TARGET_CXX)
 192   HOSTCC:= ccache $(HOSTCC)
 193 endif
 194
 195 TARGET_CONFIGURE_OPTS = \
 196   AR=$(TARGET_CROSS)ar \
 197   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 198   LD=$(TARGET_CROSS)ld \
 199   NM=$(TARGET_CROSS)nm \
 200   CC="$(TARGET_CC)" \
 201   GCC="$(TARGET_CC)" \
 202   CXX="$(TARGET_CXX)" \
 203   RANLIB=$(TARGET_CROSS)ranlib \
 204   STRIP=$(TARGET_CROSS)strip \
 205   OBJCOPY=$(TARGET_CROSS)objcopy \
 206   OBJDUMP=$(TARGET_CROSS)objdump \
 207   SIZE=$(TARGET_CROSS)size
 208
 209 # strip an entire directory
 210 ifneq ($(CONFIG_NO_STRIP),)
 211   RSTRIP:=:
 212   STRIP:=:
 213 else
 214   ifneq ($(CONFIG_USE_STRIP),)
 215     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 216   else
 217     ifneq ($(CONFIG_USE_SSTRIP),)
 218       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 219     endif
 220   endif
 221   RSTRIP:= \
 222     NM="$(TARGET_CROSS)nm" \
 223     STRIP="$(STRIP)" \
 224     STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded -R .comment -R .pdr -R .mdebug.abi32 -R .note.gnu.build-id -R .gnu.attributes -R .reginfo -x" \
 225     $(SCRIPT_DIR)/rstrip.sh
 226 endif
 227
 228 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 229   DISABLE_NLS:=--enable-nls
 230 else
 231   DISABLE_NLS:=--disable-nls
 232 endif
 233
 234 ifeq ($(CONFIG_IPV6),y)
 235   DISABLE_IPV6:=
 236 else
 237   DISABLE_IPV6:=--disable-ipv6
 238 endif
 239
 240 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 241   TAR_OPTIONS:=-xvf -
 242 else
 243   TAR_OPTIONS:=-xf -
 244 endif
 245
 246 ifeq ($(CONFIG_BUILD_LOG),y)
 247   BUILD_LOG:=1
 248 endif
 249
 250 define shvar
 251 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 252 endef
 253
 254 define shexport
 255 $(call shvar,$(1))=$$(call $(1))
 256 export $(call shvar,$(1))
 257 endef
 258
 259 define include_mk
 260 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 261 endef
 262
 263 # Execute commands under flock
 264 # $(1) => The shell expression.
 265 # $(2) => The lock name. If not given, the global lock will be used.
 266 define locked
 267         SHELL= \
 268         $(STAGING_DIR_HOST)/bin/flock \
 269                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 270                 -c '$(subst ','\'',$(1))'
 271 endef
 272
 273 # file extension
 274 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 275
 276 all:
 277 FORCE: ;
 278 .PHONY: FORCE
 279
 280 val.%:
 281         @$(if $(filter undefined,$(origin $*)),\
 282                 echo "$* undefined" >&2, \
 283                 echo '$(subst ','"'"',$($*))' \
 284         )
 285
 286 var.%:
 287         @$(if $(filter undefined,$(origin $*)),\
 288                 echo "$* undefined" >&2, \
 289                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 290         )
 291
 292 endif #__rules_inc