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