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 paren_left = (
  30 paren_right = )
  31 chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
  32 chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
  33
  34 define sep
  35
  36 endef
  37
  38 define newline
  39
  40
  41 endef
  42
  43 __tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
  44 __tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
  45 __tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
  46 __tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
  47 __tr_template = $(__tr_head)$$(1)$(__tr_tail)
  48
  49 $(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
  50 $(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
  51
  52 _SINGLE=export MAKEFLAGS=$(space);
  53 CFLAGS:=
  54 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  55 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  56 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  57 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  58 export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
  59 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  60 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  61 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  62 BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  63 export SHELL:=/usr/bin/env bash
  64
  65 IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
  66
  67 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  68
  69 ifeq ($(ARCH),powerpc)
  70   FPIC:=-fPIC
  71 else
  72   FPIC:=-fpic
  73 endif
  74
  75 HOST_FPIC:=-fPIC
  76
  77 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  78 GCC_ARCH:=
  79
  80 ifneq ($(ARCH_SUFFIX),)
  81   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  82 endif
  83 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  84   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  85 endif
  86 ifdef CONFIG_HAS_SPE_FPU
  87   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  88 endif
  89 ifdef CONFIG_MIPS64_ABI
  90   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  91      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  92   endif
  93 endif
  94
  95 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  96 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  97 INCLUDE_DIR:=$(TOPDIR)/include
  98 SCRIPT_DIR:=$(TOPDIR)/scripts
  99 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 100 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 101   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
 102   LIBC:=$(call qstrip,$(CONFIG_LIBC))
 103   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 104   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 105   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 106   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 107   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
 108   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 109   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 110 else
 111   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 112     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 113   else
 114     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 115   endif
 116   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 117   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 118   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 119 endif
 120
 121 ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
 122   iremap = -iremap $(1):$(2)
 123 endif
 124
 125 PACKAGE_DIR:=$(BIN_DIR)/packages
 126 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 127 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 128 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 129 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 130 STAMP_DIR:=$(BUILD_DIR)/stamp
 131 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 132 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 133 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 134 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 135 BUILD_LOG_DIR:=$(TOPDIR)/logs
 136 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 137
 138 BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
 139 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 140
 141 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 142 TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
 143 TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
 144 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 145 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 146 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 147 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 148 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 149 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 150 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 151 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 152 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 153 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 154 else
 155 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 156 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 157 endif
 158 LIBRPC=-lrpc
 159 LIBRPC_DEPENDS=+librpc
 160
 161 ifeq ($(CONFIG_ARCH_64BIT),y)
 162   LIB_SUFFIX:=64
 163 endif
 164
 165 ifndef DUMP
 166   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 167     -include $(TOOLCHAIN_DIR)/info.mk
 168     export GCC_HONOUR_COPTS:=0
 169     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 170     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
 171     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 172     ifeq ($(CONFIG_USE_MUSL),y)
 173       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 174     endif
 175     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 176     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 177     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 178   else
 179     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 180       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 181       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 182       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 183       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 184       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 185       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 186         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 187       endif
 188       ifneq ($(TOOLCHAIN_INC_DIRS),)
 189         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 190       endif
 191       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 192         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 193       endif
 194       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 195     endif
 196   endif
 197 endif
 198 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 199
 200 ifeq ($(CONFIG_SOFT_FLOAT),y)
 201   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 202   ifeq ($(CONFIG_arm),y)
 203     TARGET_CFLAGS+= -mfloat-abi=soft
 204   else
 205     TARGET_CFLAGS+= -msoft-float
 206   endif
 207 else
 208   SOFT_FLOAT_CONFIG_OPTION:=
 209   ifeq ($(CONFIG_arm),y)
 210     TARGET_CFLAGS+= -mfloat-abi=hard
 211   endif
 212 endif
 213
 214 export PATH:=$(TARGET_PATH)
 215 export STAGING_DIR STAGING_DIR_HOST
 216 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 217
 218 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 219
 220 export PKG_CONFIG
 221
 222 HOSTCC:=gcc
 223 HOSTCXX:=g++
 224 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
 225 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 226 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
 227
 228 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 229   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 230   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 231   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 232 else
 233   TARGET_AR:=$(TARGET_CROSS)ar
 234   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 235   TARGET_NM:=$(TARGET_CROSS)nm
 236 endif
 237
 238 BUILD_KEY=$(TOPDIR)/key-build
 239
 240 TARGET_CC:=$(TARGET_CROSS)gcc
 241 TARGET_CXX:=$(TARGET_CROSS)g++
 242 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 243 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 244 CP:=cp -fpR
 245 LN:=ln -sf
 246 XARGS:=xargs -r
 247
 248 BASH:=bash
 249 TAR:=tar
 250 FIND:=find
 251 PATCH:=patch
 252 PYTHON:=python
 253
 254 INSTALL_BIN:=install -m0755
 255 INSTALL_DIR:=install -d -m0755
 256 INSTALL_DATA:=install -m0644
 257 INSTALL_CONF:=install -m0600
 258
 259 TARGET_CC_NOCACHE:=$(TARGET_CC)
 260 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 261 HOSTCC_NOCACHE:=$(HOSTCC)
 262 HOSTCXX_NOCACHE:=$(HOSTCXX)
 263 export TARGET_CC_NOCACHE
 264 export TARGET_CXX_NOCACHE
 265 export HOSTCC_NOCACHE
 266
 267 ifneq ($(CONFIG_CCACHE),)
 268   TARGET_CC:= ccache_cc
 269   TARGET_CXX:= ccache_cxx
 270   HOSTCC:= ccache $(HOSTCC)
 271   HOSTCXX:= ccache $(HOSTCXX)
 272 endif
 273
 274 TARGET_CONFIGURE_OPTS = \
 275   AR="$(TARGET_AR)" \
 276   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 277   LD=$(TARGET_CROSS)ld \
 278   NM="$(TARGET_NM)" \
 279   CC="$(TARGET_CC)" \
 280   GCC="$(TARGET_CC)" \
 281   CXX="$(TARGET_CXX)" \
 282   RANLIB="$(TARGET_RANLIB)" \
 283   STRIP=$(TARGET_CROSS)strip \
 284   OBJCOPY=$(TARGET_CROSS)objcopy \
 285   OBJDUMP=$(TARGET_CROSS)objdump \
 286   SIZE=$(TARGET_CROSS)size
 287
 288 # strip an entire directory
 289 ifneq ($(CONFIG_NO_STRIP),)
 290   RSTRIP:=:
 291   STRIP:=:
 292 else
 293   ifneq ($(CONFIG_USE_STRIP),)
 294     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 295   else
 296     ifneq ($(CONFIG_USE_SSTRIP),)
 297       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 298     endif
 299   endif
 300   RSTRIP= \
 301     export CROSS="$(TARGET_CROSS)" \
 302                 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
 303                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 304                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 305     NM="$(TARGET_CROSS)nm" \
 306     STRIP="$(STRIP)" \
 307     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 308     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 309     $(SCRIPT_DIR)/rstrip.sh
 310 endif
 311
 312 ifeq ($(CONFIG_IPV6),y)
 313   DISABLE_IPV6:=
 314 else
 315   DISABLE_IPV6:=--disable-ipv6
 316 endif
 317
 318 TAR_OPTIONS:=-xf -
 319
 320 ifeq ($(CONFIG_BUILD_LOG),y)
 321   BUILD_LOG:=1
 322 endif
 323
 324 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 325 export M4:=$(STAGING_DIR_HOST)/bin/m4
 326
 327 define shvar
 328 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 329 endef
 330
 331 define shexport
 332 export $(call shvar,$(1))=$$(call $(1))
 333 endef
 334
 335 define include_mk
 336 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 337 endef
 338
 339 # Execute commands under flock
 340 # $(1) => The shell expression.
 341 # $(2) => The lock name. If not given, the global lock will be used.
 342 ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
 343   define locked
 344         SHELL= \
 345         flock \
 346                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 347                 -c '$(subst ','\'',$(1))'
 348   endef
 349 else
 350   locked=$(1)
 351 endif
 352
 353 # Recursively copy paths into another directory, purge dangling
 354 # symlinks before.
 355 # $(1) => File glob expression
 356 # $(2) => Destination directory
 357 define file_copy
 358         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 359                 ( cd $$src_dir; find -type f -or -type d ) | \
 360                         ( cd $(2); while :; do \
 361                                 read FILE; \
 362                                 [ -z "$$FILE" ] && break; \
 363                                 [ -L "$$FILE" ] || continue; \
 364                                 echo "Removing symlink $(2)/$$FILE"; \
 365                                 rm -f "$$FILE"; \
 366                         done; ); \
 367         done; \
 368         $(CP) $(1) $(2)
 369 endef
 370
 371 # file extension
 372 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 373
 374 all:
 375 FORCE: ;
 376 .PHONY: FORCE
 377
 378 val.%:
 379         @$(if $(filter undefined,$(origin $*)),\
 380                 echo "$* undefined" >&2, \
 381                 echo '$(subst ','"'"',$($*))' \
 382         )
 383
 384 var.%:
 385         @$(if $(filter undefined,$(origin $*)),\
 386                 echo "$* undefined" >&2, \
 387                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 388         )
 389
 390 endif #__rules_inc