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:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 110 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 111 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 112 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 113 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 114 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 115 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 116 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 117 LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
 118 else
 119 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
 120 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 121 endif
 122 ifdef CONFIG_USE_UCLIBC
 123 LIBRPC=-lrpc
 124 endif
 125 LIBRPC_DEPENDS=+USE_UCLIBC:librpc
 126
 127 ifndef DUMP
 128   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 129     -include $(TOOLCHAIN_DIR)/info.mk
 130     export GCC_HONOUR_COPTS:=0
 131     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 132     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 133     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 134     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 135     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 136   else
 137     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 138       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 139       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 140       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 141       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 142       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 143       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 144         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 145       endif
 146       ifneq ($(TOOLCHAIN_INC_DIRS),)
 147         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 148       endif
 149       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 150         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 151       endif
 152       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 153     endif
 154   endif
 155 endif
 156 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 157
 158 ifeq ($(CONFIG_SOFT_FLOAT),y)
 159   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 160   TARGET_CFLAGS+= -msoft-float
 161 else
 162   SOFT_FLOAT_CONFIG_OPTION:=
 163 endif
 164
 165 export PATH:=$(TARGET_PATH)
 166 export STAGING_DIR
 167 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 168
 169 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 170
 171 export PKG_CONFIG
 172
 173 HOSTCC:=gcc
 174 HOSTCC_NOCACHE:=$(HOSTCC)
 175 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 176 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 177
 178 TARGET_CC:=$(TARGET_CROSS)gcc
 179 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 180 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 181 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 182 CP:=cp -fpR
 183 LN:=ln -sf
 184
 185 INSTALL_BIN:=install -m0755
 186 INSTALL_DIR:=install -d -m0755
 187 INSTALL_DATA:=install -m0644
 188 INSTALL_CONF:=install -m0600
 189
 190 ifneq ($(CONFIG_CCACHE),)
 191   TARGET_CC:= ccache $(TARGET_CC)
 192   TARGET_CXX:= ccache $(TARGET_CXX)
 193   HOSTCC:= ccache $(HOSTCC)
 194 endif
 195
 196 TARGET_CONFIGURE_OPTS = \
 197   AR=$(TARGET_CROSS)ar \
 198   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
 199   LD=$(TARGET_CROSS)ld \
 200   NM=$(TARGET_CROSS)nm \
 201   CC="$(TARGET_CC)" \
 202   GCC="$(TARGET_CC)" \
 203   CXX="$(TARGET_CXX)" \
 204   RANLIB=$(TARGET_CROSS)ranlib \
 205   STRIP=$(TARGET_CROSS)strip \
 206   OBJCOPY=$(TARGET_CROSS)objcopy \
 207   OBJDUMP=$(TARGET_CROSS)objdump \
 208   SIZE=$(TARGET_CROSS)size
 209
 210 # strip an entire directory
 211 ifneq ($(CONFIG_NO_STRIP),)
 212   RSTRIP:=:
 213   STRIP:=:
 214 else
 215   ifneq ($(CONFIG_USE_STRIP),)
 216     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 217   else
 218     ifneq ($(CONFIG_USE_SSTRIP),)
 219       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 220     endif
 221   endif
 222   RSTRIP:= \
 223     export CROSS="$(TARGET_CROSS)" \
 224                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 225                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 226     NM="$(TARGET_CROSS)nm" \
 227     STRIP="$(STRIP)" \
 228     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 229     $(SCRIPT_DIR)/rstrip.sh
 230 endif
 231
 232 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 233   DISABLE_NLS:=--enable-nls
 234 else
 235   DISABLE_NLS:=--disable-nls
 236 endif
 237
 238 ifeq ($(CONFIG_IPV6),y)
 239   DISABLE_IPV6:=
 240 else
 241   DISABLE_IPV6:=--disable-ipv6
 242 endif
 243
 244 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 245   TAR_OPTIONS:=-xvf -
 246 else
 247   TAR_OPTIONS:=-xf -
 248 endif
 249
 250 ifeq ($(CONFIG_BUILD_LOG),y)
 251   BUILD_LOG:=1
 252 endif
 253
 254 define shvar
 255 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 256 endef
 257
 258 define shexport
 259 $(call shvar,$(1))=$$(call $(1))
 260 export $(call shvar,$(1))
 261 endef
 262
 263 define include_mk
 264 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 265 endef
 266
 267 # Execute commands under flock
 268 # $(1) => The shell expression.
 269 # $(2) => The lock name. If not given, the global lock will be used.
 270 define locked
 271         SHELL= \
 272         $(STAGING_DIR_HOST)/bin/flock \
 273                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 274                 -c '$(subst ','\'',$(1))'
 275 endef
 276
 277 # file extension
 278 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 279
 280 all:
 281 FORCE: ;
 282 .PHONY: FORCE
 283
 284 val.%:
 285         @$(if $(filter undefined,$(origin $*)),\
 286                 echo "$* undefined" >&2, \
 287                 echo '$(subst ','"'"',$($*))' \
 288         )
 289
 290 var.%:
 291         @$(if $(filter undefined,$(origin $*)),\
 292                 echo "$* undefined" >&2, \
 293                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 294         )
 295
 296 endif #__rules_inc