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 ifdef CONFIG_MIPS64_ABI
  77   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  78      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(subst ",,$(CONFIG_MIPS64_ABI))
  79   endif
  80 endif
  81
  82 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  83 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  84 INCLUDE_DIR:=$(TOPDIR)/include
  85 SCRIPT_DIR:=$(TOPDIR)/scripts
  86 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  87 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  88 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  89 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  90   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  91   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  92   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  93   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  94   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  95   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  96   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  97   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  98   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  99   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 100   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 101   PACKAGE_DIR:=$(BIN_DIR)/packages
 102 else
 103   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 104     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 105   else
 106     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 107   endif
 108   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 109   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 110   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 111   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 112   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 113   PACKAGE_DIR:=$(BIN_DIR)/packages
 114 endif
 115 STAMP_DIR:=$(BUILD_DIR)/stamp
 116 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 117 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 118 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 119 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 120 BUILD_LOG_DIR:=$(TOPDIR)/logs
 121 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 122
 123 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 124 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 125 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 126 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 127 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 128 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 129 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 130 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 131 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 132 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 133 else
 134 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 135 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 136 endif
 137 LIBRPC=-lrpc
 138 LIBRPC_DEPENDS=+librpc
 139
 140 ifeq ($(CONFIG_ARCH_64BIT),y)
 141   LIB_SUFFIX:=64
 142 endif
 143
 144 ifndef DUMP
 145   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 146     -include $(TOOLCHAIN_DIR)/info.mk
 147     export GCC_HONOUR_COPTS:=0
 148     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 149     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 150     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 151     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 152     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 153   else
 154     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 155       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 156       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 157       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 158       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 159       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 160       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 161         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 162       endif
 163       ifneq ($(TOOLCHAIN_INC_DIRS),)
 164         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 165       endif
 166       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 167         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 168       endif
 169       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 170     endif
 171   endif
 172 endif
 173 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 174
 175 ifeq ($(CONFIG_SOFT_FLOAT),y)
 176   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 177   TARGET_CFLAGS+= -msoft-float
 178 else
 179   SOFT_FLOAT_CONFIG_OPTION:=
 180 endif
 181
 182 export PATH:=$(TARGET_PATH)
 183 export STAGING_DIR
 184 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 185
 186 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 187
 188 export PKG_CONFIG
 189
 190 HOSTCC:=gcc
 191 HOSTCXX:=g++
 192 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 193 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 194 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 195
 196 TARGET_CC:=$(TARGET_CROSS)gcc
 197 TARGET_AR:=$(TARGET_CROSS)ar
 198 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 199 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
 200 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 201 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 202 CP:=cp -fpR
 203 LN:=ln -sf
 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_ENABLE_LOCALE),true)
 262   DISABLE_NLS:=--enable-nls
 263 else
 264   DISABLE_NLS:=--disable-nls
 265 endif
 266
 267 ifeq ($(CONFIG_IPV6),y)
 268   DISABLE_IPV6:=
 269 else
 270   DISABLE_IPV6:=--disable-ipv6
 271 endif
 272
 273 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 274   TAR_OPTIONS:=-xvf -
 275 else
 276   TAR_OPTIONS:=-xf -
 277 endif
 278
 279 ifeq ($(CONFIG_BUILD_LOG),y)
 280   BUILD_LOG:=1
 281 endif
 282
 283 define shvar
 284 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 285 endef
 286
 287 define shexport
 288 $(call shvar,$(1))=$$(call $(1))
 289 export $(call shvar,$(1))
 290 endef
 291
 292 define include_mk
 293 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 294 endef
 295
 296 # Execute commands under flock
 297 # $(1) => The shell expression.
 298 # $(2) => The lock name. If not given, the global lock will be used.
 299 define locked
 300         SHELL= \
 301         $(STAGING_DIR_HOST)/bin/flock \
 302                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 303                 -c '$(subst ','\'',$(1))'
 304 endef
 305
 306 # Recursively copy paths into another directory, purge dangling
 307 # symlinks before.
 308 # $(1) => File glob expression
 309 # $(2) => Destination directory
 310 define file_copy
 311         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 312                 ( cd $$src_dir; find -type f -or -type d ) | \
 313                         ( cd $(2); while :; do \
 314                                 read FILE; \
 315                                 [ -z "$$FILE" ] && break; \
 316                                 [ -L "$$FILE" ] || continue; \
 317                                 echo "Removing symlink $(2)/$$FILE"; \
 318                                 rm -f "$$FILE"; \
 319                         done; ); \
 320         done; \
 321         $(CP) $(1) $(2)
 322 endef
 323
 324 # file extension
 325 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 326
 327 all:
 328 FORCE: ;
 329 .PHONY: FORCE
 330
 331 val.%:
 332         @$(if $(filter undefined,$(origin $*)),\
 333                 echo "$* undefined" >&2, \
 334                 echo '$(subst ','"'"',$($*))' \
 335         )
 336
 337 var.%:
 338         @$(if $(filter undefined,$(origin $*)),\
 339                 echo "$* undefined" >&2, \
 340                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 341         )
 342
 343 endif #__rules_inc