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 define sep
  30
  31 endef
  32
  33 define newline
  34
  35
  36 endef
  37
  38 _SINGLE=export MAKEFLAGS=$(space);
  39 CFLAGS:=
  40 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  41 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  42 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  43 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  44 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  45 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  46 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  47 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  48 export SHELL:=/usr/bin/env bash
  49
  50 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  51
  52 ifeq ($(ARCH),powerpc)
  53   FPIC:=-fPIC
  54 else
  55   FPIC:=-fpic
  56 endif
  57
  58 HOST_FPIC:=-fPIC
  59
  60 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  61 GCC_ARCH:=
  62
  63 ifneq ($(ARCH_SUFFIX),)
  64   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  65 endif
  66 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  67   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  68 endif
  69 ifdef CONFIG_HAS_SPE_FPU
  70   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  71 endif
  72 ifdef CONFIG_MIPS64_ABI
  73   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  74      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  75   endif
  76 endif
  77
  78 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  79 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  80 INCLUDE_DIR:=$(TOPDIR)/include
  81 SCRIPT_DIR:=$(TOPDIR)/scripts
  82 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  83 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  84 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  85 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  86   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  87   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  88   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  89   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  90   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  91   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  92   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
  93   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  94   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  95 else
  96   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  97     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  98   else
  99     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
 100   endif
 101   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
 102   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 103   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 104 endif
 105
 106 PACKAGE_DIR:=$(BIN_DIR)/packages
 107 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 108 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 109 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 110 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 111 STAMP_DIR:=$(BUILD_DIR)/stamp
 112 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 113 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 114 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 115 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 116 BUILD_LOG_DIR:=$(TOPDIR)/logs
 117 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 118
 119 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 120 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 121 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 122 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 123 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 124 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 125 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 126 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 127 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 128 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 129 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 130 else
 131 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 132 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 133 endif
 134 LIBRPC=-lrpc
 135 LIBRPC_DEPENDS=+librpc
 136
 137 ifeq ($(CONFIG_ARCH_64BIT),y)
 138   LIB_SUFFIX:=64
 139 endif
 140
 141 ifndef DUMP
 142   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 143     -include $(TOOLCHAIN_DIR)/info.mk
 144     export GCC_HONOUR_COPTS:=0
 145     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 146     TARGET_CFLAGS+= -fhonour-copts -Wno-error=unused-but-set-variable
 147     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include
 148     ifeq ($(CONFIG_USE_MUSL),y)
 149       TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include/fortify
 150     endif
 151     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/include
 152     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 153     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 154   else
 155     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 156       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 157       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 158       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 159       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 160       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 161       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 162         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 163       endif
 164       ifneq ($(TOOLCHAIN_INC_DIRS),)
 165         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 166       endif
 167       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 168         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 169       endif
 170       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 171     endif
 172   endif
 173 endif
 174 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 175
 176 ifeq ($(CONFIG_SOFT_FLOAT),y)
 177   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 178   ifeq ($(CONFIG_arm),y)
 179     TARGET_CFLAGS+= -mfloat-abi=soft
 180   else
 181     TARGET_CFLAGS+= -msoft-float
 182   endif
 183 else
 184   SOFT_FLOAT_CONFIG_OPTION:=
 185   ifeq ($(CONFIG_arm),y)
 186     TARGET_CFLAGS+= -mfloat-abi=hard
 187   endif
 188 endif
 189
 190 export PATH:=$(TARGET_PATH)
 191 export STAGING_DIR
 192 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 193
 194 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 195
 196 export PKG_CONFIG
 197
 198 HOSTCC:=gcc
 199 HOSTCXX:=g++
 200 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
 201 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 202 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
 203
 204 ifeq ($(CONFIG_GCC_VERSION_4_6)$(CONFIG_EXTERNAL_TOOLCHAIN),)
 205   TARGET_AR:=$(TARGET_CROSS)gcc-ar
 206   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
 207   TARGET_NM:=$(TARGET_CROSS)gcc-nm
 208 else
 209   TARGET_AR:=$(TARGET_CROSS)ar
 210   TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 211   TARGET_NM:=$(TARGET_CROSS)nm
 212 endif
 213
 214 BUILD_KEY=$(TOPDIR)/key-build
 215
 216 TARGET_CC:=$(TARGET_CROSS)gcc
 217 TARGET_CXX:=$(TARGET_CROSS)g++
 218 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 219 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 220 CP:=cp -fpR
 221 LN:=ln -sf
 222 XARGS:=xargs -r
 223
 224 BASH:=bash
 225 TAR:=tar
 226 FIND:=find
 227 PATCH:=patch
 228 PYTHON:=python
 229
 230 INSTALL_BIN:=install -m0755
 231 INSTALL_DIR:=install -d -m0755
 232 INSTALL_DATA:=install -m0644
 233 INSTALL_CONF:=install -m0600
 234
 235 TARGET_CC_NOCACHE:=$(TARGET_CC)
 236 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 237 HOSTCC_NOCACHE:=$(HOSTCC)
 238 HOSTCXX_NOCACHE:=$(HOSTCXX)
 239 export TARGET_CC_NOCACHE
 240 export TARGET_CXX_NOCACHE
 241 export HOSTCC_NOCACHE
 242
 243 ifneq ($(CONFIG_CCACHE),)
 244   TARGET_CC:= ccache_cc
 245   TARGET_CXX:= ccache_cxx
 246   HOSTCC:= ccache $(HOSTCC)
 247   HOSTCXX:= ccache $(HOSTCXX)
 248 endif
 249
 250 TARGET_CONFIGURE_OPTS = \
 251   AR="$(TARGET_AR)" \
 252   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 253   LD=$(TARGET_CROSS)ld \
 254   NM="$(TARGET_NM)" \
 255   CC="$(TARGET_CC)" \
 256   GCC="$(TARGET_CC)" \
 257   CXX="$(TARGET_CXX)" \
 258   RANLIB="$(TARGET_RANLIB)" \
 259   STRIP=$(TARGET_CROSS)strip \
 260   OBJCOPY=$(TARGET_CROSS)objcopy \
 261   OBJDUMP=$(TARGET_CROSS)objdump \
 262   SIZE=$(TARGET_CROSS)size
 263
 264 # strip an entire directory
 265 ifneq ($(CONFIG_NO_STRIP),)
 266   RSTRIP:=:
 267   STRIP:=:
 268 else
 269   ifneq ($(CONFIG_USE_STRIP),)
 270     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 271   else
 272     ifneq ($(CONFIG_USE_SSTRIP),)
 273       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 274     endif
 275   endif
 276   RSTRIP:= \
 277     export CROSS="$(TARGET_CROSS)" \
 278                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 279                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 280     NM="$(TARGET_CROSS)nm" \
 281     STRIP="$(STRIP)" \
 282     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 283     PATCHELF="$(STAGING_DIR_HOST)/bin/patchelf" \
 284     $(SCRIPT_DIR)/rstrip.sh
 285 endif
 286
 287 ifeq ($(CONFIG_IPV6),y)
 288   DISABLE_IPV6:=
 289 else
 290   DISABLE_IPV6:=--disable-ipv6
 291 endif
 292
 293 TAR_OPTIONS:=-xf -
 294
 295 ifeq ($(CONFIG_BUILD_LOG),y)
 296   BUILD_LOG:=1
 297 endif
 298
 299 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
 300 export M4:=$(STAGING_DIR_HOST)/bin/m4
 301
 302 define shvar
 303 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 304 endef
 305
 306 define shexport
 307 export $(call shvar,$(1))=$$(call $(1))
 308 endef
 309
 310 define include_mk
 311 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 312 endef
 313
 314 # Execute commands under flock
 315 # $(1) => The shell expression.
 316 # $(2) => The lock name. If not given, the global lock will be used.
 317 define locked
 318         SHELL= \
 319         $(STAGING_DIR_HOST)/bin/flock \
 320                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 321                 -c '$(subst ','\'',$(1))'
 322 endef
 323
 324 # Recursively copy paths into another directory, purge dangling
 325 # symlinks before.
 326 # $(1) => File glob expression
 327 # $(2) => Destination directory
 328 define file_copy
 329         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 330                 ( cd $$src_dir; find -type f -or -type d ) | \
 331                         ( cd $(2); while :; do \
 332                                 read FILE; \
 333                                 [ -z "$$FILE" ] && break; \
 334                                 [ -L "$$FILE" ] || continue; \
 335                                 echo "Removing symlink $(2)/$$FILE"; \
 336                                 rm -f "$$FILE"; \
 337                         done; ); \
 338         done; \
 339         $(CP) $(1) $(2)
 340 endef
 341
 342 # file extension
 343 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 344
 345 all:
 346 FORCE: ;
 347 .PHONY: FORCE
 348
 349 val.%:
 350         @$(if $(filter undefined,$(origin $*)),\
 351                 echo "$* undefined" >&2, \
 352                 echo '$(subst ','"'"',$($*))' \
 353         )
 354
 355 var.%:
 356         @$(if $(filter undefined,$(origin $*)),\
 357                 echo "$* undefined" >&2, \
 358                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 359         )
 360
 361 endif #__rules_inc