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 $(TOPDIR)/include/verbose.mk
  16
  17 export TMP_DIR:=$(TOPDIR)/tmp
  18
  19 qstrip=$(strip $(subst ",,$(1)))
  20 #"))
  21
  22 empty:=
  23 space:= $(empty) $(empty)
  24 comma:=,
  25 merge=$(subst $(space),,$(1))
  26 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  27 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  28
  29 define sep
  30
  31 endef
  32
  33 _SINGLE=export MAKEFLAGS=$(space);
  34 CFLAGS:=
  35 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  36 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  37 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  38 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  39 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  40 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  41 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  42 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  43 export SHELL:=/usr/bin/env bash
  44
  45 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  46
  47 ifeq ($(ARCH),powerpc)
  48   FPIC:=-fPIC
  49 else
  50   FPIC:=-fpic
  51 endif
  52
  53 HOST_FPIC:=-fPIC
  54
  55 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  56 GCC_ARCH:=
  57
  58 ifneq ($(ARCH_SUFFIX),)
  59   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  60 endif
  61 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  62   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  63 endif
  64 ifdef CONFIG_HAS_SPE_FPU
  65   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  66 endif
  67 ifdef CONFIG_MIPS64_ABI
  68   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  69      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  70   endif
  71 endif
  72
  73 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  74 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  75 INCLUDE_DIR:=$(TOPDIR)/include
  76 SCRIPT_DIR:=$(TOPDIR)/scripts
  77 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  78 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  79 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  80 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  81   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  82   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  83   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  84   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  85   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  86   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  87   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  88   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  89   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  90 else
  91   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  92     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  93   else
  94     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  95   endif
  96   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  97   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  98   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
  99 endif
 100
 101 PACKAGE_DIR:=$(BIN_DIR)/packages
 102 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 103 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 104 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 105 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 106 STAMP_DIR:=$(BUILD_DIR)/stamp
 107 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 108 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 109 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 110 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 111 BUILD_LOG_DIR:=$(TOPDIR)/logs
 112 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 113
 114 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 115 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 116 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 117 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 118 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 119 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 120 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 121 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 122 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 123 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 124 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 125 else
 126 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 127 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 128 endif
 129 LIBRPC=-lrpc
 130 LIBRPC_DEPENDS=+librpc
 131
 132 ifeq ($(CONFIG_ARCH_64BIT),y)
 133   LIB_SUFFIX:=64
 134 endif
 135
 136 ifndef DUMP
 137   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 138     -include $(TOOLCHAIN_DIR)/info.mk
 139     export GCC_HONOUR_COPTS:=0
 140     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 141     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 142     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 143     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 144     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 145   else
 146     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 147       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 148       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 149       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 150       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 151       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 152       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 153         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 154       endif
 155       ifneq ($(TOOLCHAIN_INC_DIRS),)
 156         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 157       endif
 158       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 159         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 160       endif
 161       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 162     endif
 163   endif
 164 endif
 165 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 166
 167 ifeq ($(CONFIG_SOFT_FLOAT),y)
 168   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 169   ifeq ($(CONFIG_arm),y)
 170     TARGET_CFLAGS+= -mfloat-abi=soft
 171   else
 172     TARGET_CFLAGS+= -msoft-float
 173   endif
 174 else
 175   SOFT_FLOAT_CONFIG_OPTION:=
 176   ifeq ($(CONFIG_arm),y)
 177     TARGET_CFLAGS+= -mfloat-abi=hard
 178   endif
 179 endif
 180
 181 export PATH:=$(TARGET_PATH)
 182 export STAGING_DIR
 183 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 184
 185 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 186
 187 export PKG_CONFIG
 188
 189 HOSTCC:=gcc
 190 HOSTCXX:=g++
 191 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
 192 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 193 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
 194
 195 TARGET_CC:=$(TARGET_CROSS)gcc
 196 TARGET_AR:=$(TARGET_CROSS)ar
 197 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 198 TARGET_CXX:=$(TARGET_CROSS)g++
 199 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 200 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 201 CP:=cp -fpR
 202 LN:=ln -sf
 203 XARGS:=xargs -r
 204
 205 INSTALL_BIN:=install -m0755
 206 INSTALL_DIR:=install -d -m0755
 207 INSTALL_DATA:=install -m0644
 208 INSTALL_CONF:=install -m0600
 209
 210 TARGET_CC_NOCACHE:=$(TARGET_CC)
 211 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 212 HOSTCC_NOCACHE:=$(HOSTCC)
 213 HOSTCXX_NOCACHE:=$(HOSTCXX)
 214 export TARGET_CC_NOCACHE
 215 export TARGET_CXX_NOCACHE
 216 export HOSTCC_NOCACHE
 217
 218 ifneq ($(CONFIG_CCACHE),)
 219   TARGET_CC:= ccache_cc
 220   TARGET_CXX:= ccache_cxx
 221   HOSTCC:= ccache $(HOSTCC)
 222   HOSTCXX:= ccache $(HOSTCXX)
 223 endif
 224
 225 TARGET_CONFIGURE_OPTS = \
 226   AR=$(TARGET_CROSS)ar \
 227   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 228   LD=$(TARGET_CROSS)ld \
 229   NM=$(TARGET_CROSS)nm \
 230   CC="$(TARGET_CC)" \
 231   GCC="$(TARGET_CC)" \
 232   CXX="$(TARGET_CXX)" \
 233   RANLIB=$(TARGET_CROSS)ranlib \
 234   STRIP=$(TARGET_CROSS)strip \
 235   OBJCOPY=$(TARGET_CROSS)objcopy \
 236   OBJDUMP=$(TARGET_CROSS)objdump \
 237   SIZE=$(TARGET_CROSS)size
 238
 239 # strip an entire directory
 240 ifneq ($(CONFIG_NO_STRIP),)
 241   RSTRIP:=:
 242   STRIP:=:
 243 else
 244   ifneq ($(CONFIG_USE_STRIP),)
 245     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 246   else
 247     ifneq ($(CONFIG_USE_SSTRIP),)
 248       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 249     endif
 250   endif
 251   RSTRIP:= \
 252     export CROSS="$(TARGET_CROSS)" \
 253                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 254                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 255     NM="$(TARGET_CROSS)nm" \
 256     STRIP="$(STRIP)" \
 257     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 258     $(SCRIPT_DIR)/rstrip.sh
 259 endif
 260
 261 ifeq ($(CONFIG_IPV6),y)
 262   DISABLE_IPV6:=
 263 else
 264   DISABLE_IPV6:=--disable-ipv6
 265 endif
 266
 267 TAR_OPTIONS:=-xf -
 268
 269 ifeq ($(CONFIG_BUILD_LOG),y)
 270   BUILD_LOG:=1
 271 endif
 272
 273 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 274 export M4:=$(STAGING_DIR_HOST)/bin/m4
 275
 276 define shvar
 277 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 278 endef
 279
 280 define shexport
 281 export $(call shvar,$(1))=$$(call $(1))
 282 endef
 283
 284 define include_mk
 285 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 286 endef
 287
 288 # Execute commands under flock
 289 # $(1) => The shell expression.
 290 # $(2) => The lock name. If not given, the global lock will be used.
 291 define locked
 292         SHELL= \
 293         $(STAGING_DIR_HOST)/bin/flock \
 294                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 295                 -c '$(subst ','\'',$(1))'
 296 endef
 297
 298 # Recursively copy paths into another directory, purge dangling
 299 # symlinks before.
 300 # $(1) => File glob expression
 301 # $(2) => Destination directory
 302 define file_copy
 303         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 304                 ( cd $$src_dir; find -type f -or -type d ) | \
 305                         ( cd $(2); while :; do \
 306                                 read FILE; \
 307                                 [ -z "$$FILE" ] && break; \
 308                                 [ -L "$$FILE" ] || continue; \
 309                                 echo "Removing symlink $(2)/$$FILE"; \
 310                                 rm -f "$$FILE"; \
 311                         done; ); \
 312         done; \
 313         $(CP) $(1) $(2)
 314 endef
 315
 316 # file extension
 317 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 318
 319 all:
 320 FORCE: ;
 321 .PHONY: FORCE
 322
 323 val.%:
 324         @$(if $(filter undefined,$(origin $*)),\
 325                 echo "$* undefined" >&2, \
 326                 echo '$(subst ','"'"',$($*))' \
 327         )
 328
 329 var.%:
 330         @$(if $(filter undefined,$(origin $*)),\
 331                 echo "$* undefined" >&2, \
 332                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 333         )
 334
 335 endif #__rules_inc