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,$(TARGET_OPTIMIZATION)),)
  64   ARCH_SUFFIX:=_r2
  65 endif
  66 ifneq ($(filter -mdsp,$(TARGET_OPTIMIZATION)),)
  67   ARCH_SUFFIX:=$(ARCH_SUFFIX)_dsp
  68 endif
  69 ifneq ($(filter -mdspr2,$(TARGET_OPTIMIZATION)),)
  70   ARCH_SUFFIX:=$(ARCH_SUFFIX)_dspr2
  71 endif
  72 ifdef CONFIG_USE_MIPS16
  73    TARGET_OPTIMIZATION+= -minterlink-mips16 -mips16
  74 endif
  75 ifneq ($(findstring -mips16,$(TARGET_OPTIMIZATION)),)
  76   TARGET_ASFLAGS_OVERRIDE:=-mno-mips16
  77   ARCH_SUFFIX:= $(ARCH_SUFFIX)_m16
  78 endif
  79 ifdef CONFIG_HAS_SPE_FPU
  80   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  81 endif
  82 ifdef CONFIG_MIPS64_ABI
  83   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  84      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  85   endif
  86 endif
  87
  88 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  89 BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
  90 INCLUDE_DIR:=$(TOPDIR)/include
  91 SCRIPT_DIR:=$(TOPDIR)/scripts
  92 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  93 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  94 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  95 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  96   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  97   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  98   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  99   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 100   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 101   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 102   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
 103   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 104   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 105   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 106   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 107   PACKAGE_DIR:=$(BIN_DIR)/packages
 108 else
 109   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 110     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 111   else
 112     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 113   endif
 114   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 115   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 116   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 117   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
 118   TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
 119   PACKAGE_DIR:=$(BIN_DIR)/packages
 120 endif
 121 STAMP_DIR:=$(BUILD_DIR)/stamp
 122 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 123 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 124 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 125 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 126 BUILD_LOG_DIR:=$(TOPDIR)/logs
 127 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 128
 129 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 130 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
 131 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 132 TARGET_ASFLAGS = $(TARGET_CFLAGS) $(TARGET_ASFLAGS_OVERRIDE)
 133 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 134 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 135 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 136 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 137 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 138 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 139 else
 140 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 141 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 142 endif
 143 LIBRPC=-lrpc
 144 LIBRPC_DEPENDS=+librpc
 145
 146 ifeq ($(CONFIG_ARCH_64BIT),y)
 147   LIB_SUFFIX:=64
 148 endif
 149
 150 ifndef DUMP
 151   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 152     -include $(TOOLCHAIN_DIR)/info.mk
 153     export GCC_HONOUR_COPTS:=0
 154     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 155     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 156     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 157     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 158     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 159   else
 160     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 161       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 162       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 163       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 164       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 165       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 166       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 167         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 168       endif
 169       ifneq ($(TOOLCHAIN_INC_DIRS),)
 170         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 171       endif
 172       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 173         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 174       endif
 175       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 176     endif
 177   endif
 178 endif
 179 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 180
 181 ifeq ($(CONFIG_SOFT_FLOAT),y)
 182   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 183   TARGET_CFLAGS+= -msoft-float
 184 else
 185   SOFT_FLOAT_CONFIG_OPTION:=
 186 endif
 187
 188 export PATH:=$(TARGET_PATH)
 189 export STAGING_DIR
 190 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 191
 192 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 193
 194 export PKG_CONFIG
 195
 196 HOSTCC:=gcc
 197 HOSTCXX:=g++
 198 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 199 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 200 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 201
 202 TARGET_CC:=$(TARGET_CROSS)gcc
 203 TARGET_AR:=$(TARGET_CROSS)ar
 204 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 205 TARGET_CXX:=$(TARGET_CROSS)g++
 206 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 207 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 208 CP:=cp -fpR
 209 LN:=ln -sf
 210 XARGS:=xargs -r
 211
 212 INSTALL_BIN:=install -m0755
 213 INSTALL_DIR:=install -d -m0755
 214 INSTALL_DATA:=install -m0644
 215 INSTALL_CONF:=install -m0600
 216
 217 TARGET_CC_NOCACHE:=$(TARGET_CC)
 218 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 219 HOSTCC_NOCACHE:=$(HOSTCC)
 220 HOSTCXX_NOCACHE:=$(HOSTCXX)
 221 export TARGET_CC_NOCACHE
 222 export TARGET_CXX_NOCACHE
 223 export HOSTCC_NOCACHE
 224
 225 ifneq ($(CONFIG_CCACHE),)
 226   TARGET_CC:= ccache_cc
 227   TARGET_CXX:= ccache_cxx
 228   HOSTCC:= ccache $(HOSTCC)
 229   HOSTCXX:= ccache $(HOSTCXX)
 230 endif
 231
 232 TARGET_CONFIGURE_OPTS = \
 233   AR=$(TARGET_CROSS)ar \
 234   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 235   LD=$(TARGET_CROSS)ld \
 236   NM=$(TARGET_CROSS)nm \
 237   CC="$(TARGET_CC)" \
 238   GCC="$(TARGET_CC)" \
 239   CXX="$(TARGET_CXX)" \
 240   RANLIB=$(TARGET_CROSS)ranlib \
 241   STRIP=$(TARGET_CROSS)strip \
 242   OBJCOPY=$(TARGET_CROSS)objcopy \
 243   OBJDUMP=$(TARGET_CROSS)objdump \
 244   SIZE=$(TARGET_CROSS)size
 245
 246 # strip an entire directory
 247 ifneq ($(CONFIG_NO_STRIP),)
 248   RSTRIP:=:
 249   STRIP:=:
 250 else
 251   ifneq ($(CONFIG_USE_STRIP),)
 252     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 253   else
 254     ifneq ($(CONFIG_USE_SSTRIP),)
 255       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 256     endif
 257   endif
 258   RSTRIP:= \
 259     export CROSS="$(TARGET_CROSS)" \
 260                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 261                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 262     NM="$(TARGET_CROSS)nm" \
 263     STRIP="$(STRIP)" \
 264     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 265     $(SCRIPT_DIR)/rstrip.sh
 266 endif
 267
 268 ifeq ($(CONFIG_ENABLE_LOCALE),true)
 269   DISABLE_NLS:=--enable-nls
 270 else
 271   DISABLE_NLS:=--disable-nls
 272 endif
 273
 274 ifeq ($(CONFIG_IPV6),y)
 275   DISABLE_IPV6:=
 276 else
 277   DISABLE_IPV6:=--disable-ipv6
 278 endif
 279
 280 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 281   TAR_OPTIONS:=-xvf -
 282 else
 283   TAR_OPTIONS:=-xf -
 284 endif
 285
 286 ifeq ($(CONFIG_BUILD_LOG),y)
 287   BUILD_LOG:=1
 288 endif
 289
 290 define shvar
 291 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 292 endef
 293
 294 define shexport
 295 $(call shvar,$(1))=$$(call $(1))
 296 export $(call shvar,$(1))
 297 endef
 298
 299 define include_mk
 300 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 301 endef
 302
 303 # Execute commands under flock
 304 # $(1) => The shell expression.
 305 # $(2) => The lock name. If not given, the global lock will be used.
 306 define locked
 307         SHELL= \
 308         $(STAGING_DIR_HOST)/bin/flock \
 309                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 310                 -c '$(subst ','\'',$(1))'
 311 endef
 312
 313 # Recursively copy paths into another directory, purge dangling
 314 # symlinks before.
 315 # $(1) => File glob expression
 316 # $(2) => Destination directory
 317 define file_copy
 318         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 319                 ( cd $$src_dir; find -type f -or -type d ) | \
 320                         ( cd $(2); while :; do \
 321                                 read FILE; \
 322                                 [ -z "$$FILE" ] && break; \
 323                                 [ -L "$$FILE" ] || continue; \
 324                                 echo "Removing symlink $(2)/$$FILE"; \
 325                                 rm -f "$$FILE"; \
 326                         done; ); \
 327         done; \
 328         $(CP) $(1) $(2)
 329 endef
 330
 331 # file extension
 332 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 333
 334 all:
 335 FORCE: ;
 336 .PHONY: FORCE
 337
 338 val.%:
 339         @$(if $(filter undefined,$(origin $*)),\
 340                 echo "$* undefined" >&2, \
 341                 echo '$(subst ','"'"',$($*))' \
 342         )
 343
 344 var.%:
 345         @$(if $(filter undefined,$(origin $*)),\
 346                 echo "$* undefined" >&2, \
 347                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 348         )
 349
 350 endif #__rules_inc