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) $(empty)
  24 merge=$(subst $(space),,$(1))
  25 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
  26 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
  27
  28 define sep
  29
  30 endef
  31
  32 _SINGLE=export MAKEFLAGS=$(space);
  33 CFLAGS:=
  34 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
  35 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
  36 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
  37 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
  38 export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
  39 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
  40 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
  41 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
  42 export SHELL:=/usr/bin/env bash
  43
  44 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
  45
  46 ifeq ($(ARCH),powerpc)
  47   FPIC:=-fPIC
  48 else
  49   FPIC:=-fpic
  50 endif
  51
  52 HOST_FPIC:=-fPIC
  53
  54 ARCH_SUFFIX:=$(call qstrip,$(CONFIG_CPU_TYPE))
  55 GCC_ARCH:=
  56
  57 ifneq ($(ARCH_SUFFIX),)
  58   ARCH_SUFFIX:=_$(ARCH_SUFFIX)
  59 endif
  60 ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
  61   GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
  62 endif
  63 ifdef CONFIG_HAS_SPE_FPU
  64   TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
  65 endif
  66 ifdef CONFIG_MIPS64_ABI
  67   ifneq ($(CONFIG_MIPS64_ABI_O32),y)
  68      ARCH_SUFFIX:=$(ARCH_SUFFIX)_$(call qstrip,$(CONFIG_MIPS64_ABI))
  69   endif
  70 endif
  71
  72 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
  73 BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
  74 INCLUDE_DIR:=$(TOPDIR)/include
  75 SCRIPT_DIR:=$(TOPDIR)/scripts
  76 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
  77 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
  78 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
  79 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
  80   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
  81   LIBC:=$(call qstrip,$(CONFIG_LIBC))
  82   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
  83   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
  84   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
  85   DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
  86   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_UCLIBC),,-$(LIBC))
  87   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  88   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
  89 else
  90   ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  91     GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
  92   else
  93     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
  94   endif
  95   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
  96   TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
  97   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
  98 endif
  99
 100 PACKAGE_DIR:=$(BIN_DIR)/packages
 101 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 102 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
 103 BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/$(TOOLCHAIN_DIR_NAME)
 104 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/$(TOOLCHAIN_DIR_NAME)
 105 STAMP_DIR:=$(BUILD_DIR)/stamp
 106 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 107 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 108 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 109 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
 110 BUILD_LOG_DIR:=$(TOPDIR)/logs
 111 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 112
 113 TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
 114 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
 115 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 116 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 117 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
 118 TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
 119 TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 120 ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 121 LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
 122 LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
 123 LIBGCC_A=$(realpath $(lastword $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a)))
 124 else
 125 LIBGCC_A=$(lastword $(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 126 LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
 127 endif
 128 LIBRPC=-lrpc
 129 LIBRPC_DEPENDS=+librpc
 130
 131 ifeq ($(CONFIG_ARCH_64BIT),y)
 132   LIB_SUFFIX:=64
 133 endif
 134
 135 ifndef DUMP
 136   ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 137     -include $(TOOLCHAIN_DIR)/info.mk
 138     export GCC_HONOUR_COPTS:=0
 139     TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
 140     TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
 141     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
 142     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
 143     TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 144   else
 145     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 146       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
 147       TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
 148       TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
 149       TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
 150       TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
 151       ifneq ($(TOOLCHAIN_BIN_DIRS),)
 152         TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
 153       endif
 154       ifneq ($(TOOLCHAIN_INC_DIRS),)
 155         TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
 156       endif
 157       ifneq ($(TOOLCHAIN_LIB_DIRS),)
 158         TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
 159       endif
 160       TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
 161     endif
 162   endif
 163 endif
 164 TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 165
 166 ifeq ($(CONFIG_SOFT_FLOAT),y)
 167   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
 168   ifeq ($(CONFIG_arm),y)
 169     TARGET_CFLAGS+= -mfloat-abi=soft
 170   else
 171     TARGET_CFLAGS+= -msoft-float
 172   endif
 173 else
 174   SOFT_FLOAT_CONFIG_OPTION:=
 175   ifeq ($(CONFIG_arm),y)
 176     TARGET_CFLAGS+= -mfloat-abi=hard
 177   endif
 178 endif
 179
 180 export PATH:=$(TARGET_PATH)
 181 export STAGING_DIR
 182 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 183
 184 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 185
 186 export PKG_CONFIG
 187
 188 HOSTCC:=gcc
 189 HOSTCXX:=g++
 190 HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include
 191 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 192 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 193
 194 TARGET_CC:=$(TARGET_CROSS)gcc
 195 TARGET_AR:=$(TARGET_CROSS)ar
 196 TARGET_RANLIB:=$(TARGET_CROSS)ranlib
 197 TARGET_CXX:=$(TARGET_CROSS)g++
 198 KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 199 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 200 CP:=cp -fpR
 201 LN:=ln -sf
 202 XARGS:=xargs -r
 203
 204 INSTALL_BIN:=install -m0755
 205 INSTALL_DIR:=install -d -m0755
 206 INSTALL_DATA:=install -m0644
 207 INSTALL_CONF:=install -m0600
 208
 209 TARGET_CC_NOCACHE:=$(TARGET_CC)
 210 TARGET_CXX_NOCACHE:=$(TARGET_CXX)
 211 HOSTCC_NOCACHE:=$(HOSTCC)
 212 HOSTCXX_NOCACHE:=$(HOSTCXX)
 213 export TARGET_CC_NOCACHE
 214 export TARGET_CXX_NOCACHE
 215 export HOSTCC_NOCACHE
 216
 217 ifneq ($(CONFIG_CCACHE),)
 218   TARGET_CC:= ccache_cc
 219   TARGET_CXX:= ccache_cxx
 220   HOSTCC:= ccache $(HOSTCC)
 221   HOSTCXX:= ccache $(HOSTCXX)
 222 endif
 223
 224 TARGET_CONFIGURE_OPTS = \
 225   AR=$(TARGET_CROSS)ar \
 226   AS="$(TARGET_CC) -c $(TARGET_ASFLAGS)" \
 227   LD=$(TARGET_CROSS)ld \
 228   NM=$(TARGET_CROSS)nm \
 229   CC="$(TARGET_CC)" \
 230   GCC="$(TARGET_CC)" \
 231   CXX="$(TARGET_CXX)" \
 232   RANLIB=$(TARGET_CROSS)ranlib \
 233   STRIP=$(TARGET_CROSS)strip \
 234   OBJCOPY=$(TARGET_CROSS)objcopy \
 235   OBJDUMP=$(TARGET_CROSS)objdump \
 236   SIZE=$(TARGET_CROSS)size
 237
 238 # strip an entire directory
 239 ifneq ($(CONFIG_NO_STRIP),)
 240   RSTRIP:=:
 241   STRIP:=:
 242 else
 243   ifneq ($(CONFIG_USE_STRIP),)
 244     STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
 245   else
 246     ifneq ($(CONFIG_USE_SSTRIP),)
 247       STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 248     endif
 249   endif
 250   RSTRIP:= \
 251     export CROSS="$(TARGET_CROSS)" \
 252                 $(if $(CONFIG_KERNEL_KALLSYMS),NO_RENAME=1) \
 253                 $(if $(CONFIG_KERNEL_PROFILING),KEEP_SYMBOLS=1); \
 254     NM="$(TARGET_CROSS)nm" \
 255     STRIP="$(STRIP)" \
 256     STRIP_KMOD="$(SCRIPT_DIR)/strip-kmod.sh" \
 257     $(SCRIPT_DIR)/rstrip.sh
 258 endif
 259
 260 ifeq ($(CONFIG_IPV6),y)
 261   DISABLE_IPV6:=
 262 else
 263   DISABLE_IPV6:=--disable-ipv6
 264 endif
 265
 266 TAR_OPTIONS:=-xf -
 267
 268 ifeq ($(CONFIG_BUILD_LOG),y)
 269   BUILD_LOG:=1
 270 endif
 271
 272 define shvar
 273 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 274 endef
 275
 276 define shexport
 277 $(call shvar,$(1))=$$(call $(1))
 278 export $(call shvar,$(1))
 279 endef
 280
 281 define include_mk
 282 $(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
 283 endef
 284
 285 # Execute commands under flock
 286 # $(1) => The shell expression.
 287 # $(2) => The lock name. If not given, the global lock will be used.
 288 define locked
 289         SHELL= \
 290         $(STAGING_DIR_HOST)/bin/flock \
 291                 $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
 292                 -c '$(subst ','\'',$(1))'
 293 endef
 294
 295 # Recursively copy paths into another directory, purge dangling
 296 # symlinks before.
 297 # $(1) => File glob expression
 298 # $(2) => Destination directory
 299 define file_copy
 300         for src_dir in $(sort $(foreach d,$(wildcard $(1)),$(dir $(d)))); do \
 301                 ( cd $$src_dir; find -type f -or -type d ) | \
 302                         ( cd $(2); while :; do \
 303                                 read FILE; \
 304                                 [ -z "$$FILE" ] && break; \
 305                                 [ -L "$$FILE" ] || continue; \
 306                                 echo "Removing symlink $(2)/$$FILE"; \
 307                                 rm -f "$$FILE"; \
 308                         done; ); \
 309         done; \
 310         $(CP) $(1) $(2)
 311 endef
 312
 313 # file extension
 314 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 315
 316 all:
 317 FORCE: ;
 318 .PHONY: FORCE
 319
 320 val.%:
 321         @$(if $(filter undefined,$(origin $*)),\
 322                 echo "$* undefined" >&2, \
 323                 echo '$(subst ','"'"',$($*))' \
 324         )
 325
 326 var.%:
 327         @$(if $(filter undefined,$(origin $*)),\
 328                 echo "$* undefined" >&2, \
 329                 echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
 330         )
 331
 332 endif #__rules_inc