################################################################################
  #
  # binutils
  #
  ################################################################################
  
  # Version is set when using buildroot toolchain.
  # If not, we do like other packages
  BINUTILS_VERSION = $(call qstrip,$(BR2_BINUTILS_VERSION))
  ifeq ($(BINUTILS_VERSION),)
  ifeq ($(BR2_arc),y)
  BINUTILS_VERSION = arc-2016.09-eng010
  else
  BINUTILS_VERSION = 2.25.1
  endif
  endif # BINUTILS_VERSION
  
  ifeq ($(BR2_arc),y)
  BINUTILS_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,binutils-gdb,$(BINUTILS_VERSION))
  BINUTILS_SOURCE = binutils-$(BINUTILS_VERSION).tar.gz
  BINUTILS_FROM_GIT = y
  endif
  BINUTILS_SITE ?= $(BR2_GNU_MIRROR)/binutils
  BINUTILS_SOURCE ?= binutils-$(BINUTILS_VERSION).tar.bz2
  BINUTILS_EXTRA_CONFIG_OPTIONS = $(call qstrip,$(BR2_BINUTILS_EXTRA_CONFIG_OPTIONS))
  BINUTILS_INSTALL_STAGING = YES
  BINUTILS_DEPENDENCIES = $(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)
  BINUTILS_LICENSE = GPLv3+, libiberty LGPLv2.1+
  BINUTILS_LICENSE_FILES = COPYING3 COPYING.LIB
  
  ifeq ($(BINUTILS_FROM_GIT),y)
  BINUTILS_DEPENDENCIES += host-flex host-bison host-texinfo
  HOST_BINUTILS_DEPENDENCIES += host-flex host-bison host-texinfo
  endif
  
  # The .info files in the 2.26 tarball have an incorrect timestamp, so
  # binutils tries to re-generate them. In order to avoid the dependency
  # on host-texinfo, we simply update the timestamps.
  ifeq ($(BR2_BINUTILS_VERSION_2_26_X),y)
  define BINUTILS_FIXUP_INFO_TIMESTAMPS
  	find $(@D) -name '*.info' -exec touch {} \;
  endef
  BINUTILS_POST_PATCH_HOOKS += BINUTILS_FIXUP_INFO_TIMESTAMPS
  HOST_BINUTILS_POST_PATCH_HOOKS += BINUTILS_FIXUP_INFO_TIMESTAMPS
  endif
  
  # When binutils sources are fetched from the binutils-gdb repository,
  # they also contain the gdb sources, but gdb shouldn't be built, so we
  # disable it.
  BINUTILS_DISABLE_GDB_CONF_OPTS = \
  	--disable-sim \
  	--disable-gdb
  
  # We need to specify host & target to avoid breaking ARM EABI
  BINUTILS_CONF_OPTS = \
  	--disable-multilib \
  	--disable-werror \
  	--host=$(GNU_TARGET_NAME) \
  	--target=$(GNU_TARGET_NAME) \
  	--enable-install-libiberty \
  	--enable-build-warnings=no \
  	$(BINUTILS_DISABLE_GDB_CONF_OPTS) \
  	$(BINUTILS_EXTRA_CONFIG_OPTIONS)
  
  ifeq ($(BR2_STATIC_LIBS),y)
  BINUTILS_CONF_OPTS += --disable-plugins
  endif
  
  # Don't build documentation. It takes up extra space / build time,
  # and sometimes needs specific makeinfo versions to work
  BINUTILS_CONF_ENV += ac_cv_prog_MAKEINFO=missing
  HOST_BINUTILS_CONF_ENV += ac_cv_prog_MAKEINFO=missing
  
  # gcc bug with Os/O2/O3, PR77311
  # error: unable to find a register to spill in class 'CCREGS'
  ifeq ($(BR2_bfin),y)
  BINUTILS_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -O1"
  endif
  
  # Install binutils after busybox to prefer full-blown utilities
  ifeq ($(BR2_PACKAGE_BUSYBOX),y)
  BINUTILS_DEPENDENCIES += busybox
  endif
  
  ifeq ($(BR2_PACKAGE_ZLIB),y)
  BINUTILS_DEPENDENCIES += zlib
  endif
  
  # "host" binutils should actually be "cross"
  # We just keep the convention of "host utility" for now
  HOST_BINUTILS_CONF_OPTS = \
  	--disable-multilib \
  	--disable-werror \
  	--target=$(GNU_TARGET_NAME) \
  	--disable-shared \
  	--enable-static \
  	--with-sysroot=$(STAGING_DIR) \
  	--enable-poison-system-directories \
  	$(BINUTILS_DISABLE_GDB_CONF_OPTS) \
  	$(BINUTILS_EXTRA_CONFIG_OPTIONS)
  
  # binutils run configure script of subdirs at make time, so ensure
  # our TARGET_CONFIGURE_ARGS are taken into consideration for those
  define BINUTILS_BUILD_CMDS
  	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_ARGS) $(MAKE) -C $(@D)
  endef
  
  # We just want libbfd, libiberty and libopcodes,
  # not the full-blown binutils in staging
  define BINUTILS_INSTALL_STAGING_CMDS
  	$(MAKE) -C $(@D)/bfd DESTDIR=$(STAGING_DIR) install
  	$(MAKE) -C $(@D)/opcodes DESTDIR=$(STAGING_DIR) install
  	$(MAKE) -C $(@D)/libiberty DESTDIR=$(STAGING_DIR) install
  endef
  
  # If we don't want full binutils on target
  ifneq ($(BR2_PACKAGE_BINUTILS_TARGET),y)
  define BINUTILS_INSTALL_TARGET_CMDS
  	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/bfd DESTDIR=$(TARGET_DIR) install
  	$(MAKE) -C $(@D)/libiberty DESTDIR=$(STAGING_DIR) install
  endef
  endif
  
  XTENSA_CORE_NAME = $(call qstrip, $(BR2_XTENSA_CORE_NAME))
  ifneq ($(XTENSA_CORE_NAME),)
  define BINUTILS_XTENSA_PRE_PATCH
  	tar xf $(BR2_XTENSA_OVERLAY_DIR)/xtensa_$(XTENSA_CORE_NAME).tar \
  		-C $(@D) --strip-components=1 binutils
  endef
  BINUTILS_PRE_PATCH_HOOKS += BINUTILS_XTENSA_PRE_PATCH
  HOST_BINUTILS_PRE_PATCH_HOOKS += BINUTILS_XTENSA_PRE_PATCH
  endif
  
  ifeq ($(BR2_BINUTILS_ENABLE_LTO),y)
  HOST_BINUTILS_CONF_OPTS += --enable-plugins --enable-lto
  endif
  
  $(eval $(autotools-package))
  $(eval $(host-autotools-package))