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 define newline
  34
  35
  36 endef
  37
  38 _SINGLE=export MAKEFLAGS=$(space);
  39 CFLAGS:=
  40 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  41 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  42 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  43 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  44 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  45 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  46 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  47 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  48 export SHELL:=/usr/bin/env bash
  49
  50 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  51
  52 ifeq ($(ARCH),powerpc)
  53   FPIC:=-fPIC
  54 else
  55   FPIC:=-fpic
  56 endif
  57
  58 HOST_FPIC:=-fPIC
  59
  60 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  61 GCC_ARCH:=
  62
  63 ifneq ($(ARCH_SUFFIX),)
  64   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  65 endif
  66 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  67   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  68 endif
  69 ifdef CONFIG_HAS_SPE_FPU
  70   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  71 endif
  72 ifdef CONFIG_MIPS64_ABI
  73   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  74      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  75   endif
  76 endif
  77
  78 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  79 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  80 INCLUDE_DIR:=$(TOPDIR)/include
  81 SCRIPT_DIR:=$(TOPDIR)/scripts
  82 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  83 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  84 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  85 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  86   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  87   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  88   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  89   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  90   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  91   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  92   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  93   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  94   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  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=$(GNU_TARGET_NAME)
 102   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 103   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 104 endif
 105
 106 PACKAGE_DIR:=$(BIN_DIR)/packages
 107 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 108 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 109 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 110 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 111 STAMP_DIR:=$(BUILD_DIR)/stamp
 112 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 113 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 114 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 115 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 116 BUILD_LOG_DIR:=$(TOPDIR)/logs
 117 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 118
 119 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 120 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 121 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 122 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 123 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 124 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 125 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 126 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 127 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 128 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 129 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 130 else
 131 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 132 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 133 endif
 134 LIBRPC=-lrpc
 135 LIBRPC_DEPENDS=+librpc
 136
 137 ifeq ($(CONFIG_ARCH_64BIT),y)
 138   LIB_SUFFIX:=64
 139 endif
 140
 141 ifndef DUMP
 142   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 143     -include $(TOOLCHAIN_DIR)/info.mk
 144     export GCC_HONOUR_COPTS:=0
 145     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 146     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 147     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 148     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 149     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 150   else
 151     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 152       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 153       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 154       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 155       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 156       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 157       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 158         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 159       endif
 160       ifneq ($(TOOLCHAIN_INC_DIRS),)
 161         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 162       endif
 163       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 164         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 165       endif
 166       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 167     endif
 168   endif
 169 endif
 170 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 171
 172 ifeq ($(CONFIG_SOFT_FLOAT),y)
 173   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 174   ifeq ($(CONFIG_arm),y)
 175     TARGET_CFLAGS+= -mfloat-abi=soft
 176   else
 177     TARGET_CFLAGS+= -msoft-float
 178   endif
 179 else
 180   SOFT_FLOAT_CONFIG_OPTION:=
 181   ifeq ($(CONFIG_arm),y)
 182     TARGET_CFLAGS+= -mfloat-abi=hard
 183   endif
 184 endif
 185
 186 export PATH:=$(TARGET_PATH)
 187 export STAGING_DIR
 188 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 189
 190 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 191
 192 export PKG_CONFIG
 193
 194 HOSTCC:=gcc
 195 HOSTCXX:=g++
 196 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
 197 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 198 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
 199
 200 ifeq ($(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_6)$(CONFIG_EXTERNAL_TOOLCHAIN),)
 201   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 202   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 203   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 204 else
 205   TARGET_AR:=$(TARGET_CROSS)ar
 206   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 207   TARGET_NM:=$(TARGET_CROSS)nm
 208 endif
 209
 210 TARGET_CC:=$(TARGET_CROSS)gcc
 211 TARGET_CXX:=$(TARGET_CROSS)g++
 212 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 213 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 214 CP:=cp -fpR
 215 LN:=ln -sf
 216 XARGS:=xargs -r
 217
 218 BASH:=bash
 219 TAR:=tar
 220 FIND:=find
 221 PATCH:=patch
 222 PYTHON:=python
 223
 224 INSTALL_BIN:=install -m0755
 225 INSTALL_DIR:=install -d -m0755
 226 INSTALL_DATA:=install -m0644
 227 INSTALL_CONF:=install -m0600
 228
 229 TARGET_CC_NOCACHE:=$(TARGET_CC)
 230 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 231 HOSTCC_NOCACHE:=$(HOSTCC)
 232 HOSTCXX_NOCACHE:=$(HOSTCXX)
 233 export TARGET_CC_NOCACHE
 234 export TARGET_CXX_NOCACHE
 235 export HOSTCC_NOCACHE
 236
 237 ifneq ($(CONFIG_CCACHE),)
 238   TARGET_CC:= ccache_cc
 239   TARGET_CXX:= ccache_cxx
 240   HOSTCC:= ccache $(HOSTCC)
 241   HOSTCXX:= ccache $(HOSTCXX)
 242 endif
 243
 244 TARGET_CONFIGURE_OPTS = \
 245   AR="$(TARGET_AR)" \
 246   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 247   LD=$(TARGET_CROSS)ld \
 248   NM="$(TARGET_NM)" \
 249   CC="$(TARGET_CC)" \
 250   GCC="$(TARGET_CC)" \
 251   CXX="$(TARGET_CXX)" \
 252   RANLIB="$(TARGET_RANLIB)" \
 253   STRIP=$(TARGET_CROSS)strip \
 254   OBJCOPY=$(TARGET_CROSS)objcopy \
 255   OBJDUMP=$(TARGET_CROSS)objdump \
 256   SIZE=$(TARGET_CROSS)size
 257
 258 # strip an entire directory
 259 ifneq ($(CONFIG_NO_STRIP),)
 260   RSTRIP:=:
 261   STRIP:=:
 262 else
 263   ifneq ($(CONFIG_USE_STRIP),)
 264     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 265   else
 266     ifneq ($(CONFIG_USE_SSTRIP),)
 267       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 268     endif
 269   endif
 270   RSTRIP:= \
 271     export CROSS="$(TARGET_CROSS)" \
 272                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 273                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 274     NM="$(TARGET_CROSS)nm" \
 275     STRIP="$(STRIP)" \
 276     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 277     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 278     $(SCRIPT_DIR)/rstrip.sh
 279 endif
 280
 281 ifeq ($(CONFIG_IPV6),y)
 282   DISABLE_IPV6:=
 283 else
 284   DISABLE_IPV6:=--disable-ipv6
 285 endif
 286
 287 TAR_OPTIONS:=-xf -
 288
 289 ifeq ($(CONFIG_BUILD_LOG),y)
 290   BUILD_LOG:=1
 291 endif
 292
 293 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 294 export M4:=$(STAGING_DIR_HOST)/bin/m4
 295
 296 define shvar
 297 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 298 endef
 299
 300 define shexport
 301 export $(call shvar,$(1))=$$(call $(1))
 302 endef
 303
 304 define include_mk
 305 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 306 endef
 307
 308 # Execute commands under flock
 309 # $(1) => The shell expression.
 310 # $(2) => The lock name. If not given, the global lock will be used.
 311 define locked
 312         SHELL= \
 313         $(STAGING_DIR_HOST)/bin/flock \
 314                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 315                 -c '$(subst ','\'',$(1))'
 316 endef
 317
 318 # Recursively copy paths into another directory, purge dangling
 319 # symlinks before.
 320 # $(1) => File glob expression
 321 # $(2) => Destination directory
 322 define file_copy
 323         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 324                 ( cd $$src_dir; find -type f -or -type d ) | \
 325                         ( cd $(2); while :; do \
 326                                 read FILE; \
 327                                 [ -z "$$FILE" ] && break; \
 328                                 [ -L "$$FILE" ] || continue; \
 329                                 echo "Removing symlink $(2)/$$FILE"; \
 330                                 rm -f "$$FILE"; \
 331                         done; ); \
 332         done; \
 333         $(CP) $(1) $(2)
 334 endef
 335
 336 # file extension
 337 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 338
 339 all:
 340 FORCE: ;
 341 .PHONY: FORCE
 342
 343 val.%:
 344         @$(if $(filter undefined,$(origin $*)),\
 345                 echo "$* undefined" >&2, \
 346                 echo '$(subst ','"'"',$($*))' \
 347         )
 348
 349 var.%:
 350         @$(if $(filter undefined,$(origin $*)),\
 351                 echo "$* undefined" >&2, \
 352                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 353         )
 354
 355 endif #__rules_inc