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