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%,$(TARGET_OPTIMIZATION)))
  62 endif
  63 ifneq ($(filter -mips%r2,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_r2
  65 endif
  66 ifdef CONFIG_USE_MIPS16
  67    TARGET_OPTIMIZATION+= -minterlink-mips16 -mips16
  68 endif
  69 ifneq ($(findstring -mips16,$(TARGET_OPTIMIZATION)),)
  70   TARGET_ASFLAGS_OVERRIDE:=-mno-mips16
  71   ARCH_SUFFIX:= $(ARCH_SUFFIX)_m16
  72 endif
  73 ifdef CONFIG_HAS_SPE_FPU
  74   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  75 endif
  76
  77 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  78 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  79 INCLUDE_DIR:=$(TOPDIR)/include
  80 SCRIPT_DIR:=$(TOPDIR)/scripts
  81 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  82 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  83 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  84 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  85   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  86   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  87   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  88   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  89   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  90   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  91   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  92   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  93   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  94   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  95   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  96   PACKAGE_DIR:=$(BIN_DIR)/packages
  97 else
  98   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  99     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 100   else
 101     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 102   endif
 103   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 104   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 105   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 106   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 107   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 108   PACKAGE_DIR:=$(BIN_DIR)/packages
 109 endif
 110 STAMP_DIR:=$(BUILD_DIR)/stamp
 111 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 112 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 113 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 114 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 115 BUILD_LOG_DIR:=$(TOPDIR)/logs
 116 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 117
 118 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 119 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 120 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 121 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 122 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 123 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 124 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 125 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 126 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 127 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 128 else
 129 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 130 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 131 endif
 132 LIBRPC=-lrpc
 133 LIBRPC_DEPENDS=+librpc
 134
 135 ifeq ($(CONFIG_ARCH_64BIT),y)
 136   LIB_SUFFIX:=64
 137 endif
 138
 139 ifndef DUMP
 140   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 141     -include $(TOOLCHAIN_DIR)/info.mk
 142     export GCC_HONOUR_COPTS:=0
 143     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 144     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 145     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 146     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 147     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 148   else
 149     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 150       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 151       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 152       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 153       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 154       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 155       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 156         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 157       endif
 158       ifneq ($(TOOLCHAIN_INC_DIRS),)
 159         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 160       endif
 161       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 162         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 163       endif
 164       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 165     endif
 166   endif
 167 endif
 168 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 169
 170 ifeq ($(CONFIG_SOFT_FLOAT),y)
 171   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 172   TARGET_CFLAGS+= -msoft-float
 173 else
 174   SOFT_FLOAT_CONFIG_OPTION:=
 175 endif
 176
 177 export PATH:=$(TARGET_PATH)
 178 export STAGING_DIR
 179 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 180
 181 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 182
 183 export PKG_CONFIG
 184
 185 HOSTCC:=gcc
 186 HOSTCXX:=g++
 187 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 188 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 189 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 190
 191 TARGET_CC:=$(TARGET_CROSS)gcc
 192 TARGET_AR:=$(TARGET_CROSS)ar
 193 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 194 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 195 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 196 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 197 CP:=cp -fpR
 198 LN:=ln -sf
 199
 200 INSTALL_BIN:=install -m0755
 201 INSTALL_DIR:=install -d -m0755
 202 INSTALL_DATA:=install -m0644
 203 INSTALL_CONF:=install -m0600
 204
 205 TARGET_CC_NOCACHE:=$(TARGET_CC)
 206 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 207 HOSTCC_NOCACHE:=$(HOSTCC)
 208 HOSTCXX_NOCACHE:=$(HOSTCXX)
 209 export TARGET_CC_NOCACHE
 210 export TARGET_CXX_NOCACHE
 211 export HOSTCC_NOCACHE
 212
 213 ifneq ($(CONFIG_CCACHE),)
 214   TARGET_CC:= ccache_cc
 215   TARGET_CXX:= ccache_cxx
 216   HOSTCC:= ccache $(HOSTCC)
 217   HOSTCXX:= ccache $(HOSTCXX)
 218 endif
 219
 220 TARGET_CONFIGURE_OPTS = \
 221   AR=$(TARGET_CROSS)ar \
 222   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 223   LD=$(TARGET_CROSS)ld \
 224   NM=$(TARGET_CROSS)nm \
 225   CC="$(TARGET_CC)" \
 226   GCC="$(TARGET_CC)" \
 227   CXX="$(TARGET_CXX)" \
 228   RANLIB=$(TARGET_CROSS)ranlib \
 229   STRIP=$(TARGET_CROSS)strip \
 230   OBJCOPY=$(TARGET_CROSS)objcopy \
 231   OBJDUMP=$(TARGET_CROSS)objdump \
 232   SIZE=$(TARGET_CROSS)size
 233
 234 # strip an entire directory
 235 ifneq ($(CONFIG_NO_STRIP),)
 236   RSTRIP:=:
 237   STRIP:=:
 238 else
 239   ifneq ($(CONFIG_USE_STRIP),)
 240     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 241   else
 242     ifneq ($(CONFIG_USE_SSTRIP),)
 243       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 244     endif
 245   endif
 246   RSTRIP:= \
 247     export CROSS="$(TARGET_CROSS)" \
 248                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 249                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 250     NM="$(TARGET_CROSS)nm" \
 251     STRIP="$(STRIP)" \
 252     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 253     $(SCRIPT_DIR)/rstrip.sh
 254 endif
 255
 256 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 257   DISABLE_NLS:=--enable-nls
 258 else
 259   DISABLE_NLS:=--disable-nls
 260 endif
 261
 262 ifeq ($(CONFIG_IPV6),y)
 263   DISABLE_IPV6:=
 264 else
 265   DISABLE_IPV6:=--disable-ipv6
 266 endif
 267
 268 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 269   TAR_OPTIONS:=-xvf -
 270 else
 271   TAR_OPTIONS:=-xf -
 272 endif
 273
 274 ifeq ($(CONFIG_BUILD_LOG),y)
 275   BUILD_LOG:=1
 276 endif
 277
 278 define shvar
 279 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 280 endef
 281
 282 define shexport
 283 $(call shvar,$(1))=$$(call $(1))
 284 export $(call shvar,$(1))
 285 endef
 286
 287 define include_mk
 288 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 289 endef
 290
 291 # Execute commands under flock
 292 # $(1) => The shell expression.
 293 # $(2) => The lock name. If not given, the global lock will be used.
 294 define locked
 295         SHELL= \
 296         $(STAGING_DIR_HOST)/bin/flock \
 297                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 298                 -c '$(subst ','\'',$(1))'
 299 endef
 300
 301 # Recursively copy paths into another directory, purge dangling
 302 # symlinks before.
 303 # $(1) => File glob expression
 304 # $(2) => Destination directory
 305 define file_copy
 306         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 307                 ( cd $$src_dir; find -type f -or -type d ) | \
 308                         ( cd $(2); while :; do \
 309                                 read FILE; \
 310                                 [ -z "$$FILE" ] && break; \
 311                                 [ -L "$$FILE" ] || continue; \
 312                                 echo "Removing symlink $(2)/$$FILE"; \
 313                                 rm -f "$$FILE"; \
 314                         done; ); \
 315         done; \
 316         $(CP) $(1) $(2)
 317 endef
 318
 319 # file extension
 320 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 321
 322 all:
 323 FORCE: ;
 324 .PHONY: FORCE
 325
 326 val.%:
 327         @$(if $(filter undefined,$(origin $*)),\
 328                 echo "$* undefined" >&2, \
 329                 echo '$(subst ','"'"',$($*))' \
 330         )
 331
 332 var.%:
 333         @$(if $(filter undefined,$(origin $*)),\
 334                 echo "$* undefined" >&2, \
 335                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 336         )
 337
 338 endif #__rules_inc