# binutils options comment "GNU binutils" # gold only suports the listed architectures config BINUTILS_GOLD_SUPPORTS_ARCH bool default y if ARCH_ARM default y if ARCH_X86 config BINUTILS_GOLD_SUPPORT bool default y depends on BINUTILS_GOLD_SUPPORTS_ARCH depends on ! STATIC_TOOLCHAIN # Force using the BFD linker if needed. There are two options: # - For some C libraries (eg. glibc at least), BFD ld must be # built and be selected by default. # - For elf2flt, BFD ld must be the only linker built. config BINUTILS_FORCE_LD_BFD_DEFAULT bool config BINUTILS_FORCE_LD_BFD_ONLY bool choice bool prompt "Linkers to enable" config BINUTILS_LINKER_LD bool prompt "ld" help The historical, bfd linker. config BINUTILS_LINKER_GOLD bool prompt "gold" depends on BINUTILS_GOLD_SUPPORT depends on !BINUTILS_FORCE_LD_BFD_DEFAULT && !BINUTILS_FORCE_LD_BFD_ONLY select BINUTILS_GOLD_INSTALLED help gold is a new, optimised, multi-threaded linker with support for plugins. Designed to be a drop-in replacement for the original linker, ld, it can be much faster, with a 5:1 or bigger ratio being not uncommon, YMMV. config BINUTILS_LINKER_LD_GOLD bool prompt "ld, gold" depends on !BINUTILS_FORCE_LD_BFD_ONLY depends on BINUTILS_GOLD_SUPPORT select BINUTILS_GOLD_INSTALLED select BINUTILS_LINKER_BOTH help Both the historical ld and the new gold linkers will be installed, with ld being the default linker used. See help for gold, above. config BINUTILS_LINKER_GOLD_LD bool prompt "gold, ld" depends on !BINUTILS_FORCE_LD_BFD_DEFAULT && !BINUTILS_FORCE_LD_BFD_ONLY depends on BINUTILS_GOLD_SUPPORT select BINUTILS_GOLD_INSTALLED select BINUTILS_LINKER_BOTH select BINUTILS_LD_WRAPPER if BINUTILS_FORCE_LD_BFD_DEFAULT help Both the historical ld and the new gold linkers will be installed, with gold being the default linker used. See help for gold, above. endchoice # Enable linkers if BINUTILS_LINKER_GOLD comment "WARNING! gold is not capable of" comment "| building glibc!" endif # BINUTILS_LINKER_GOLD config BINUTILS_GOLD_INSTALLED bool config BINUTILS_GOLD_THREADS bool prompt "| Enable threaded gold" depends on BINUTILS_GOLD_INSTALLED help When configured with threads, gold can link in parallel, possibly cooperating with a make jobserver. config BINUTILS_LINKER_BOTH bool config BINUTILS_LINKERS_LIST string default "ld" if BINUTILS_LINKER_LD default "gold" if BINUTILS_LINKER_GOLD default "ld,gold" if BINUTILS_LINKER_LD_GOLD default "gold,ld" if BINUTILS_LINKER_GOLD_LD config BINUTILS_LD_WRAPPER bool prompt "| Add ld wrapper" depends on BINUTILS_LINKER_BOTH help Add an ld wrapper that calls to either gold or ld. By default, the wrapper will call to the default wrapper, but if you set the environment variable CTNG_LD_IS, you can change which linker will get called: CTNG_LD_IS=gold will unconditionally call the gold linker CTNG_LD_IS=bfd will unconditionally call the old bfd ld linker config BINUTILS_LINKER_DEFAULT string default "bfd" if BINUTILS_LINKER_LD || BINUTILS_LINKER_LD_GOLD default "gold" if BINUTILS_LINKER_GOLD || BINUTILS_LINKER_GOLD_LD config BINUTILS_PLUGINS bool prompt "Enable support for plugins" depends on ! STATIC_TOOLCHAIN help binutils can be extended through the use of plugins. Especially, gold can use the lto-plugin, as installed by gcc, to handle LTO. config BINUTILS_RELRO tristate prompt "Enable -z relro in ELF linker by default" if BINUTILS_2_27_or_later default m help Setting this option forces "-z relro" by default in the ELF linker. Clearing this option forces "-z norelro" by default in the ELF linker. Setting this option to 'M' configures binutils with their internal default for the selected architecture. config BINUTILS_DETERMINISTIC_ARCHIVES bool prompt "Enable deterministic archives by default" default y help Setting this option will enable deterministic mode by default (-D). ar and ranlib will use zero for UIDs, GIDs, timestamps, and use consistent file modes for all files. config BINUTILS_EXTRA_CONFIG_ARRAY string prompt "binutils extra config" default "" help Extra flags passed onto ./configure when configuring You can enter multiple arguments here, and arguments can contain spaces if they are properly quoted (or escaped, but prefer quotes). Eg.: --with-foo="1st arg with 4 spaces" --with-bar=2nd-arg-without-space config BINUTILS_FOR_TARGET bool prompt "binutils libraries for the target" depends on ! BARE_METAL help Some utilities may need binutils libraries to be available on the target, eg. oprofile. if BINUTILS_FOR_TARGET config BINUTILS_FOR_TARGET_IBERTY bool prompt "libiberty" default y config BINUTILS_FOR_TARGET_BFD bool prompt "libbfd" default y endif # BINUTILS_FOR_TARGET if ARCH_BINFMT_FLAT comment "elf2flt" config ELF2FLT_REQUIRES def_bool y select ZLIB_NEEDED select BINUTILS_FORCE_LD_BFD_ONLY source "config/versions/elf2flt.in" config ELF2FLT_EXTRA_CONFIG_ARRAY string prompt "elf2flt extra config" default "" help Extra flags passed onto ./configure when configuring You can enter multiple arguments here, and arguments can contain spaces if they are properly quoted (or escaped, but prefer quotes). Eg.: --with-foo="1st arg with 4 spaces" --with-bar=2nd-arg-without-space endif # ARCH_BINFMT_FLAT