rules.mk

   1 #
   2 # Copyright (C) 2006-2010 OpenWrt.org
   3 # Copyright (C) 2016 LEDE Project
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 ifneq ($(__rules_inc),1)
  10 __rules_inc=1
  11
  12 ifeq ($(DUMP),)
  13   -include $(TOPDIR)/.config
  14 endif
  15 include $(TOPDIR)/include/debug.mk
  16 include $(TOPDIR)/include/verbose.mk
  17
  18 ifneq ($(filter check,$(MAKECMDGOALS)),)
  19 CHECK:=1
  20 DUMP:=1
  21 endif
  22
  23 export TMP_DIR:=$(TOPDIR)/tmp
  24
  25 qstrip=$(strip $(subst ",,$(1)))
  26 #"))
  27
  28 empty:=
  29 space:= $(empty) $(empty)
  30 comma:=,
  31 merge=$(subst $(space),,$(1))
  32 confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR_HOST)/bin/mkhash md5)
  33 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  34
  35 paren_left = (
  36 paren_right = )
  37 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
  38 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
  39
  40 define sep
  41
  42 endef
  43
  44 define newline
  45
  46
  47 endef
  48
  49 __tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
  50 __tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
  51 __tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
  52 __tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
  53 __tr_template = $(__tr_head)$$(1)$(__tr_tail)
  54
  55 $(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
  56 $(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
  57
  58 version_abbrev = $(if $(if $(CHECK),,$(DUMP)),$(1),$(shell printf '%.8s' $(1)))
  59
  60 _SINGLE=export MAKEFLAGS=$(space);
  61 CFLAGS:=
  62 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  63 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  64 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  65 SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
  66 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  67 export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
  68 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  69 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  70 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  71 BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  72 export SHELL:=/usr/bin/env bash
  73
  74 IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
  75
  76 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  77
  78 ifeq ($(ARCH),powerpc)
  79   FPIC:=-fPIC
  80 else
  81   FPIC:=-fpic
  82 endif
  83
  84 HOST_FPIC:=-fPIC
  85
  86 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  87 GCC_ARCH:=
  88
  89 ifneq ($(ARCH_SUFFIX),)
  90   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  91 endif
  92 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  93   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  94 endif
  95 ifdef CONFIG_HAS_SPE_FPU
  96   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  97 endif
  98 ifdef CONFIG_MIPS64_ABI
  99   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
 100      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
 101   endif
 102 endif
 103
 104 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 105 OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
 106 BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
 107 INCLUDE_DIR:=$(TOPDIR)/include
 108 SCRIPT_DIR:=$(TOPDIR)/scripts
 109 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 110 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 111   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
 112   LIBC:=$(call qstrip,$(CONFIG_LIBC))
 113   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 114   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 115   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 116   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 117   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
 118   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 119   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 120 else
 121   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 122     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 123   else
 124     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 125   endif
 126   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 127   LIBC:=$(call qstrip,$(CONFIG_LIBC))
 128   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)_$(LIBC)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 129   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 130 endif
 131
 132 ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
 133   iremap = -iremap$(1):$(2)
 134 endif
 135
 136 PACKAGE_DIR:=$(BIN_DIR)/packages
 137 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 138 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 139 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 140 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 141 STAMP_DIR:=$(BUILD_DIR)/stamp
 142 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 143 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 144 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 145 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 146 BUILD_LOG_DIR:=$(TOPDIR)/logs
 147 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 148
 149 BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
 150 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 151 STAGING_DIR_HOSTPKG:=$(STAGING_DIR)/host
 152
 153 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 154 TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
 155 TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
 156 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 157 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 158 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 159 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 160 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 161 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 162 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 163 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 164 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 165 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 166 else
 167 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 168 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 169 endif
 170 LIBRPC=-lrpc
 171 LIBRPC_DEPENDS=+librpc
 172
 173 ifeq ($(CONFIG_ARCH_64BIT),y)
 174   LIB_SUFFIX:=64
 175 endif
 176
 177 ifndef DUMP
 178   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 179     -include $(TOOLCHAIN_DIR)/info.mk
 180     export GCC_HONOUR_COPTS:=0
 181     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 182     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
 183     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 184     ifeq ($(CONFIG_USE_MUSL),y)
 185       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 186     endif
 187     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 188     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 189     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 190   else
 191     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 192       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 193       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 194       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 195       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 196       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 197       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 198         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 199       endif
 200       ifneq ($(TOOLCHAIN_INC_DIRS),)
 201         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 202       endif
 203       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 204         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 205       endif
 206       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 207     endif
 208   endif
 209 endif
 210 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 211
 212 ifeq ($(CONFIG_SOFT_FLOAT),y)
 213   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 214   ifeq ($(CONFIG_arm),y)
 215     TARGET_CFLAGS+= -mfloat-abi=soft
 216   else
 217     TARGET_CFLAGS+= -msoft-float
 218   endif
 219 else
 220   SOFT_FLOAT_CONFIG_OPTION:=
 221   ifeq ($(CONFIG_arm),y)
 222     TARGET_CFLAGS+= -mfloat-abi=hard
 223   endif
 224 endif
 225
 226 export PATH:=$(TARGET_PATH)
 227 export STAGING_DIR STAGING_DIR_HOST
 228 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 229
 230 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 231
 232 export PKG_CONFIG
 233
 234 HOSTCC:=gcc
 235 HOSTCXX:=g++
 236 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
 237 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 238 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
 239
 240 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 241   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 242   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 243   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 244 else
 245   TARGET_AR:=$(TARGET_CROSS)ar
 246   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 247   TARGET_NM:=$(TARGET_CROSS)nm
 248 endif
 249
 250 BUILD_KEY=$(TOPDIR)/key-build
 251
 252 TARGET_CC:=$(TARGET_CROSS)gcc
 253 TARGET_CXX:=$(TARGET_CROSS)g++
 254 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 255 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 256 CP:=cp -fpR
 257 LN:=ln -sf
 258 XARGS:=xargs -r
 259
 260 BASH:=bash
 261 TAR:=tar
 262 FIND:=find
 263 PATCH:=patch
 264 PYTHON:=python
 265
 266 INSTALL_BIN:=install -m0755
 267 INSTALL_DIR:=install -d -m0755
 268 INSTALL_DATA:=install -m0644
 269 INSTALL_CONF:=install -m0600
 270
 271 TARGET_CC_NOCACHE:=$(TARGET_CC)
 272 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 273 HOSTCC_NOCACHE:=$(HOSTCC)
 274 HOSTCXX_NOCACHE:=$(HOSTCXX)
 275 export TARGET_CC_NOCACHE
 276 export TARGET_CXX_NOCACHE
 277 export HOSTCC_NOCACHE
 278
 279 ifneq ($(CONFIG_CCACHE),)
 280   TARGET_CC:= ccache_cc
 281   TARGET_CXX:= ccache_cxx
 282   HOSTCC:= ccache $(HOSTCC)
 283   HOSTCXX:= ccache $(HOSTCXX)
 284 endif
 285
 286 TARGET_CONFIGURE_OPTS = \
 287   AR="$(TARGET_AR)" \
 288   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 289   LD=$(TARGET_CROSS)ld \
 290   NM="$(TARGET_NM)" \
 291   CC="$(TARGET_CC)" \
 292   GCC="$(TARGET_CC)" \
 293   CXX="$(TARGET_CXX)" \
 294   RANLIB="$(TARGET_RANLIB)" \
 295   STRIP=$(TARGET_CROSS)strip \
 296   OBJCOPY=$(TARGET_CROSS)objcopy \
 297   OBJDUMP=$(TARGET_CROSS)objdump \
 298   SIZE=$(TARGET_CROSS)size
 299
 300 # strip an entire directory
 301 ifneq ($(CONFIG_NO_STRIP),)
 302   RSTRIP:=:
 303   STRIP:=:
 304 else
 305   ifneq ($(CONFIG_USE_STRIP),)
 306     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 307   else
 308     ifneq ($(CONFIG_USE_SSTRIP),)
 309       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 310     endif
 311   endif
 312   RSTRIP= \
 313     export CROSS="$(TARGET_CROSS)" \
 314                 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
 315                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 316                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 317     NM="$(TARGET_CROSS)nm" \
 318     STRIP="$(STRIP)" \
 319     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 320     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 321     $(SCRIPT_DIR)/rstrip.sh
 322 endif
 323
 324 ifeq ($(CONFIG_IPV6),y)
 325   DISABLE_IPV6:=
 326 else
 327   DISABLE_IPV6:=--disable-ipv6
 328 endif
 329
 330 TAR_OPTIONS:=-xf -
 331
 332 ifeq ($(CONFIG_BUILD_LOG),y)
 333   BUILD_LOG:=1
 334 endif
 335
 336 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 337 export M4:=$(STAGING_DIR_HOST)/bin/m4
 338
 339 define shvar
 340 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 341 endef
 342
 343 define shexport
 344 export $(call shvar,$(1))=$$(call $(1))
 345 endef
 346
 347 define include_mk
 348 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 349 endef
 350
 351 # Execute commands under flock
 352 # $(1) => The shell expression.
 353 # $(2) => The lock name. If not given, the global lock will be used.
 354 ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
 355   define locked
 356         SHELL= \
 357         flock \
 358                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 359                 -c '$(subst ','\'',$(1))'
 360   endef
 361 else
 362   locked=$(1)
 363 endif
 364
 365 # Recursively copy paths into another directory, purge dangling
 366 # symlinks before.
 367 # $(1) => File glob expression
 368 # $(2) => Destination directory
 369 define file_copy
 370         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 371                 ( cd $$src_dir; find -type f -or -type d ) | \
 372                         ( cd $(2); while :; do \
 373                                 read FILE; \
 374                                 [ -z "$$FILE" ] && break; \
 375                                 [ -L "$$FILE" ] || continue; \
 376                                 echo "Removing symlink $(2)/$$FILE"; \
 377                                 rm -f "$$FILE"; \
 378                         done; ); \
 379         done; \
 380         $(CP) $(1) $(2)
 381 endef
 382
 383 # Calculate sha256sum of any plain file within a given directory
 384 # $(1) => Input directory
 385 define sha256sums
 386         (cd $(1); find . -maxdepth 1 -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
 387                 xargs -r $(STAGING_DIR_HOST)/bin/mkhash -n sha256 | sed -ne 's!^\(.*\) \(.*\)$$!\1 *\2!p' > sha256sums)
 388 endef
 389
 390 # file extension
 391 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 392
 393 all:
 394 FORCE: ;
 395 .PHONY: FORCE
 396
 397 check: FORCE
 398         @true
 399
 400 val.%:
 401         @$(if $(filter undefined,$(origin $*)),\
 402                 echo "$* undefined" >&2, \
 403                 echo '$(subst ','"'"',$($*))' \
 404         )
 405
 406 var.%:
 407         @$(if $(filter undefined,$(origin $*)),\
 408                 echo "$* undefined" >&2, \
 409                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 410         )
 411
 412 endif #__rules_inc