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 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-$(GNU_TARGET_NAME)
 119 endif
 120
 121 PACKAGE_DIR:=$(BIN_DIR)/packages
 122 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 123 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 124 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 125 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 126 STAMP_DIR:=$(BUILD_DIR)/stamp
 127 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 128 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 129 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 130 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 131 BUILD_LOG_DIR:=$(TOPDIR)/logs
 132 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 133
 134 BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
 135 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 136
 137 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 138 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 139 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 140 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 141 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 142 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 143 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 144 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 145 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 146 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 147 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 148 else
 149 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 150 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 151 endif
 152 LIBRPC=-lrpc
 153 LIBRPC_DEPENDS=+librpc
 154
 155 ifeq ($(CONFIG_ARCH_64BIT),y)
 156   LIB_SUFFIX:=64
 157 endif
 158
 159 ifndef DUMP
 160   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 161     -include $(TOOLCHAIN_DIR)/info.mk
 162     export GCC_HONOUR_COPTS:=0
 163     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 164     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
 165     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 166     ifeq ($(CONFIG_USE_MUSL),y)
 167       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 168     endif
 169     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 170     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 171     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 172   else
 173     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 174       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 175       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 176       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 177       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 178       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 179       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 180         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 181       endif
 182       ifneq ($(TOOLCHAIN_INC_DIRS),)
 183         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 184       endif
 185       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 186         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 187       endif
 188       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 189     endif
 190   endif
 191 endif
 192 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 193
 194 ifeq ($(CONFIG_SOFT_FLOAT),y)
 195   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 196   ifeq ($(CONFIG_arm),y)
 197     TARGET_CFLAGS+= -mfloat-abi=soft
 198   else
 199     TARGET_CFLAGS+= -msoft-float
 200   endif
 201 else
 202   SOFT_FLOAT_CONFIG_OPTION:=
 203   ifeq ($(CONFIG_arm),y)
 204     TARGET_CFLAGS+= -mfloat-abi=hard
 205   endif
 206 endif
 207
 208 export PATH:=$(TARGET_PATH)
 209 export STAGING_DIR STAGING_DIR_HOST
 210 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 211
 212 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 213
 214 export PKG_CONFIG
 215
 216 HOSTCC:=gcc
 217 HOSTCXX:=g++
 218 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
 219 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 220 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
 221
 222 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 223   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 224   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 225   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 226 else
 227   TARGET_AR:=$(TARGET_CROSS)ar
 228   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 229   TARGET_NM:=$(TARGET_CROSS)nm
 230 endif
 231
 232 BUILD_KEY=$(TOPDIR)/key-build
 233
 234 TARGET_CC:=$(TARGET_CROSS)gcc
 235 TARGET_CXX:=$(TARGET_CROSS)g++
 236 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 237 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 238 CP:=cp -fpR
 239 LN:=ln -sf
 240 XARGS:=xargs -r
 241
 242 BASH:=bash
 243 TAR:=tar
 244 FIND:=find
 245 PATCH:=patch
 246 PYTHON:=python
 247
 248 INSTALL_BIN:=install -m0755
 249 INSTALL_DIR:=install -d -m0755
 250 INSTALL_DATA:=install -m0644
 251 INSTALL_CONF:=install -m0600
 252
 253 TARGET_CC_NOCACHE:=$(TARGET_CC)
 254 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 255 HOSTCC_NOCACHE:=$(HOSTCC)
 256 HOSTCXX_NOCACHE:=$(HOSTCXX)
 257 export TARGET_CC_NOCACHE
 258 export TARGET_CXX_NOCACHE
 259 export HOSTCC_NOCACHE
 260
 261 ifneq ($(CONFIG_CCACHE),)
 262   TARGET_CC:= ccache_cc
 263   TARGET_CXX:= ccache_cxx
 264   HOSTCC:= ccache $(HOSTCC)
 265   HOSTCXX:= ccache $(HOSTCXX)
 266 endif
 267
 268 TARGET_CONFIGURE_OPTS = \
 269   AR="$(TARGET_AR)" \
 270   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 271   LD=$(TARGET_CROSS)ld \
 272   NM="$(TARGET_NM)" \
 273   CC="$(TARGET_CC)" \
 274   GCC="$(TARGET_CC)" \
 275   CXX="$(TARGET_CXX)" \
 276   RANLIB="$(TARGET_RANLIB)" \
 277   STRIP=$(TARGET_CROSS)strip \
 278   OBJCOPY=$(TARGET_CROSS)objcopy \
 279   OBJDUMP=$(TARGET_CROSS)objdump \
 280   SIZE=$(TARGET_CROSS)size
 281
 282 # strip an entire directory
 283 ifneq ($(CONFIG_NO_STRIP),)
 284   RSTRIP:=:
 285   STRIP:=:
 286 else
 287   ifneq ($(CONFIG_USE_STRIP),)
 288     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 289   else
 290     ifneq ($(CONFIG_USE_SSTRIP),)
 291       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 292     endif
 293   endif
 294   RSTRIP= \
 295     export CROSS="$(TARGET_CROSS)" \
 296                 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
 297                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 298                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 299     NM="$(TARGET_CROSS)nm" \
 300     STRIP="$(STRIP)" \
 301     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 302     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 303     $(SCRIPT_DIR)/rstrip.sh
 304 endif
 305
 306 ifeq ($(CONFIG_IPV6),y)
 307   DISABLE_IPV6:=
 308 else
 309   DISABLE_IPV6:=--disable-ipv6
 310 endif
 311
 312 TAR_OPTIONS:=-xf -
 313
 314 ifeq ($(CONFIG_BUILD_LOG),y)
 315   BUILD_LOG:=1
 316 endif
 317
 318 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 319 export M4:=$(STAGING_DIR_HOST)/bin/m4
 320
 321 define shvar
 322 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 323 endef
 324
 325 define shexport
 326 export $(call shvar,$(1))=$$(call $(1))
 327 endef
 328
 329 define include_mk
 330 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 331 endef
 332
 333 # Execute commands under flock
 334 # $(1) => The shell expression.
 335 # $(2) => The lock name. If not given, the global lock will be used.
 336 ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
 337   define locked
 338         SHELL= \
 339         flock \
 340                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 341                 -c '$(subst ','\'',$(1))'
 342   endef
 343 else
 344   locked=$(1)
 345 endif
 346
 347 # Recursively copy paths into another directory, purge dangling
 348 # symlinks before.
 349 # $(1) => File glob expression
 350 # $(2) => Destination directory
 351 define file_copy
 352         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 353                 ( cd $$src_dir; find -type f -or -type d ) | \
 354                         ( cd $(2); while :; do \
 355                                 read FILE; \
 356                                 [ -z "$$FILE" ] && break; \
 357                                 [ -L "$$FILE" ] || continue; \
 358                                 echo "Removing symlink $(2)/$$FILE"; \
 359                                 rm -f "$$FILE"; \
 360                         done; ); \
 361         done; \
 362         $(CP) $(1) $(2)
 363 endef
 364
 365 # file extension
 366 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 367
 368 all:
 369 FORCE: ;
 370 .PHONY: FORCE
 371
 372 val.%:
 373         @$(if $(filter undefined,$(origin $*)),\
 374                 echo "$* undefined" >&2, \
 375                 echo '$(subst ','"'"',$($*))' \
 376         )
 377
 378 var.%:
 379         @$(if $(filter undefined,$(origin $*)),\
 380                 echo "$* undefined" >&2, \
 381                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 382         )
 383
 384 endif #__rules_inc