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=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  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),$(chars_lower)))
  57
  58 _SINGLE=export MAKEFLAGS=$(space);
  59 CFLAGS:=
  60 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  61 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  62 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  63 SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
  64 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  65 export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
  66 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  67 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  68 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  69 BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  70 export SHELL:=/usr/bin/env bash
  71
  72 IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
  73
  74 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  75
  76 ifeq ($(ARCH),powerpc)
  77   FPIC:=-fPIC
  78 else
  79   FPIC:=-fpic
  80 endif
  81
  82 HOST_FPIC:=-fPIC
  83
  84 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  85 GCC_ARCH:=
  86
  87 ifneq ($(ARCH_SUFFIX),)
  88   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  89 endif
  90 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  91   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  92 endif
  93 ifdef CONFIG_HAS_SPE_FPU
  94   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  95 endif
  96 ifdef CONFIG_MIPS64_ABI
  97   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  98      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  99   endif
 100 endif
 101
 102 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 103 OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
 104 BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
 105 INCLUDE_DIR:=$(TOPDIR)/include
 106 SCRIPT_DIR:=$(TOPDIR)/scripts
 107 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 108 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 109   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
 110   LIBC:=$(call qstrip,$(CONFIG_LIBC))
 111   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 112   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
 113   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
 114   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
 115   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
 116   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 117   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
 118 else
 119   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 120     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
 121   else
 122     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 123   endif
 124   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 125   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 126   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 127 endif
 128
 129 ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
 130   iremap = -iremap $(1):$(2)
 131 endif
 132
 133 PACKAGE_DIR:=$(BIN_DIR)/packages
 134 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 135 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 136 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 137 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 138 STAMP_DIR:=$(BUILD_DIR)/stamp
 139 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 140 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 141 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 142 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 143 BUILD_LOG_DIR:=$(TOPDIR)/logs
 144 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 145
 146 BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR)/host,$(BUILD_DIR_BASE)/host)
 147 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 148 STAGING_DIR_HOSTPKG:=$(STAGING_DIR)/host
 149
 150 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 151 TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
 152 TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
 153 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 154 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 155 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 156 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 157 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 158 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 159 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 160 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 161 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 162 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 163 else
 164 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 165 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 166 endif
 167 LIBRPC=-lrpc
 168 LIBRPC_DEPENDS=+librpc
 169
 170 ifeq ($(CONFIG_ARCH_64BIT),y)
 171   LIB_SUFFIX:=64
 172 endif
 173
 174 ifndef DUMP
 175   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 176     -include $(TOOLCHAIN_DIR)/info.mk
 177     export GCC_HONOUR_COPTS:=0
 178     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 179     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result
 180     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 181     ifeq ($(CONFIG_USE_MUSL),y)
 182       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 183     endif
 184     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 185     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 186     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 187   else
 188     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 189       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 190       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 191       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 192       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 193       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 194       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 195         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 196       endif
 197       ifneq ($(TOOLCHAIN_INC_DIRS),)
 198         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 199       endif
 200       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 201         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 202       endif
 203       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 204     endif
 205   endif
 206 endif
 207 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 208
 209 ifeq ($(CONFIG_SOFT_FLOAT),y)
 210   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 211   ifeq ($(CONFIG_arm),y)
 212     TARGET_CFLAGS+= -mfloat-abi=soft
 213   else
 214     TARGET_CFLAGS+= -msoft-float
 215   endif
 216 else
 217   SOFT_FLOAT_CONFIG_OPTION:=
 218   ifeq ($(CONFIG_arm),y)
 219     TARGET_CFLAGS+= -mfloat-abi=hard
 220   endif
 221 endif
 222
 223 export PATH:=$(TARGET_PATH)
 224 export STAGING_DIR STAGING_DIR_HOST
 225 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 226
 227 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 228
 229 export PKG_CONFIG
 230
 231 HOSTCC:=gcc
 232 HOSTCXX:=g++
 233 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR)/host/include)
 234 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 235 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR)/host/lib)
 236
 237 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 238   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 239   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 240   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 241 else
 242   TARGET_AR:=$(TARGET_CROSS)ar
 243   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 244   TARGET_NM:=$(TARGET_CROSS)nm
 245 endif
 246
 247 BUILD_KEY=$(TOPDIR)/key-build
 248
 249 TARGET_CC:=$(TARGET_CROSS)gcc
 250 TARGET_CXX:=$(TARGET_CROSS)g++
 251 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 252 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 253 CP:=cp -fpR
 254 LN:=ln -sf
 255 XARGS:=xargs -r
 256
 257 BASH:=bash
 258 TAR:=tar
 259 FIND:=find
 260 PATCH:=patch
 261 PYTHON:=python
 262
 263 INSTALL_BIN:=install -m0755
 264 INSTALL_DIR:=install -d -m0755
 265 INSTALL_DATA:=install -m0644
 266 INSTALL_CONF:=install -m0600
 267
 268 TARGET_CC_NOCACHE:=$(TARGET_CC)
 269 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 270 HOSTCC_NOCACHE:=$(HOSTCC)
 271 HOSTCXX_NOCACHE:=$(HOSTCXX)
 272 export TARGET_CC_NOCACHE
 273 export TARGET_CXX_NOCACHE
 274 export HOSTCC_NOCACHE
 275
 276 ifneq ($(CONFIG_CCACHE),)
 277   TARGET_CC:= ccache_cc
 278   TARGET_CXX:= ccache_cxx
 279   HOSTCC:= ccache $(HOSTCC)
 280   HOSTCXX:= ccache $(HOSTCXX)
 281 endif
 282
 283 TARGET_CONFIGURE_OPTS = \
 284   AR="$(TARGET_AR)" \
 285   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 286   LD=$(TARGET_CROSS)ld \
 287   NM="$(TARGET_NM)" \
 288   CC="$(TARGET_CC)" \
 289   GCC="$(TARGET_CC)" \
 290   CXX="$(TARGET_CXX)" \
 291   RANLIB="$(TARGET_RANLIB)" \
 292   STRIP=$(TARGET_CROSS)strip \
 293   OBJCOPY=$(TARGET_CROSS)objcopy \
 294   OBJDUMP=$(TARGET_CROSS)objdump \
 295   SIZE=$(TARGET_CROSS)size
 296
 297 # strip an entire directory
 298 ifneq ($(CONFIG_NO_STRIP),)
 299   RSTRIP:=:
 300   STRIP:=:
 301 else
 302   ifneq ($(CONFIG_USE_STRIP),)
 303     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 304   else
 305     ifneq ($(CONFIG_USE_SSTRIP),)
 306       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 307     endif
 308   endif
 309   RSTRIP= \
 310     export CROSS="$(TARGET_CROSS)" \
 311                 $(if $(PKG_BUILD_ID),KEEP_BUILD_ID=1) \
 312                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 313                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 314     NM="$(TARGET_CROSS)nm" \
 315     STRIP="$(STRIP)" \
 316     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 317     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 318     $(SCRIPT_DIR)/rstrip.sh
 319 endif
 320
 321 ifeq ($(CONFIG_IPV6),y)
 322   DISABLE_IPV6:=
 323 else
 324   DISABLE_IPV6:=--disable-ipv6
 325 endif
 326
 327 TAR_OPTIONS:=-xf -
 328
 329 ifeq ($(CONFIG_BUILD_LOG),y)
 330   BUILD_LOG:=1
 331 endif
 332
 333 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 334 export M4:=$(STAGING_DIR_HOST)/bin/m4
 335
 336 define shvar
 337 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 338 endef
 339
 340 define shexport
 341 export $(call shvar,$(1))=$$(call $(1))
 342 endef
 343
 344 define include_mk
 345 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 346 endef
 347
 348 # Execute commands under flock
 349 # $(1) => The shell expression.
 350 # $(2) => The lock name. If not given, the global lock will be used.
 351 ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
 352   define locked
 353         SHELL= \
 354         flock \
 355                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 356                 -c '$(subst ','\'',$(1))'
 357   endef
 358 else
 359   locked=$(1)
 360 endif
 361
 362 # Recursively copy paths into another directory, purge dangling
 363 # symlinks before.
 364 # $(1) => File glob expression
 365 # $(2) => Destination directory
 366 define file_copy
 367         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 368                 ( cd $$src_dir; find -type f -or -type d ) | \
 369                         ( cd $(2); while :; do \
 370                                 read FILE; \
 371                                 [ -z "$$FILE" ] && break; \
 372                                 [ -L "$$FILE" ] || continue; \
 373                                 echo "Removing symlink $(2)/$$FILE"; \
 374                                 rm -f "$$FILE"; \
 375                         done; ); \
 376         done; \
 377         $(CP) $(1) $(2)
 378 endef
 379
 380 # Calculate sha256sum of any plain file within a given directory
 381 # $(1) => Input directory
 382 define sha256sums
 383         (cd $(1); find . -maxdepth 1 -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
 384                 xargs openssl dgst -sha256 | sed -ne 's!^SHA256(\(.*\))= \(.*\)$$!\2 *\1!p' > sha256sums)
 385 endef
 386
 387 # file extension
 388 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 389
 390 all:
 391 FORCE: ;
 392 .PHONY: FORCE
 393
 394 check: FORCE
 395         @true
 396
 397 val.%:
 398         @$(if $(filter undefined,$(origin $*)),\
 399                 echo "$* undefined" >&2, \
 400                 echo '$(subst ','"'"',$($*))' \
 401         )
 402
 403 var.%:
 404         @$(if $(filter undefined,$(origin $*)),\
 405                 echo "$* undefined" >&2, \
 406                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 407         )
 408
 409 endif #__rules_inc