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#
menuconfig EXTERNAL_TOOLCHAIN
bool
prompt "Use external toolchain" if DEVEL
help
If enabled, OpenWrt will compile using an existing toolchain instead of compiling one
config NATIVE_TOOLCHAIN
bool
prompt "Use host's toolchain" if DEVEL
depends on EXTERNAL_TOOLCHAIN
select NO_STRIP
help
If enabled, OpenWrt will compile using the native toolchain for your host instead of compiling one
config TARGET_NAME
string
prompt "Target name" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "arm-unknown-linux-gnu" if arm
default "armeb-unknown-linux-gnu" if armeb
default "i486-unknown-linux-gnu" if i386
default "mips-unknown-linux-gnu" if mips
default "mipsel-unknown-linux-gnu" if mipsel
default "powerpc-unknown-linux-gnu" if powerpc
default "x86_64-unknown-linux-gnu" if x86_64
config TOOLCHAIN_PREFIX
string
prompt "Toolchain prefix" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "arm-unknown-linux-gnu-" if arm
default "armeb-unknown-linux-gnu-" if armeb
default "i486-unknown-linux-gnu-" if i386
default "mips-unknown-linux-gnu-" if mips
default "mipsel-unknown-linux-gnu-" if mipsel
default "powerpc-unknown-linux-gnu-" if powerpc
default "x86_64-unknown-linux-gnu-" if x86_64
config TOOLCHAIN_ROOT
string
prompt "Toolchain root" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "/opt/cross/arm-unknown-linux-gnu" if arm
default "/opt/cross/armeb-unknown-linux-gnu" if armeb
default "/opt/cross/i486-unknown-linux-gnu" if i386
default "/opt/cross/mips-unknown-linux-gnu" if mips
default "/opt/cross/mipsel-unknown-linux-gnu" if mipsel
default "/opt/cross/powerpc-unknown-linux-gnu" if powerpc
default "/opt/cross/x86_64-unknown-linux-gnu" if x86_64
config TOOLCHAIN_LIBC
string
prompt "Toolchain libc" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "uclibc"
help
Specify the libc type used by the external toolchain. The given value us passed as -m
flag to all gcc and g++ invocations. This is mainly intended for multilib toolchains
which support glibc and uclibc at the same time. If no value is specified, no -m flag
is passed.
config TOOLCHAIN_BIN_PATH
string
prompt "Toolchain program path" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "./usr/bin ./bin"
help
Specify additional directories searched for toolchain binaries (override PATH)
Use ./DIR for directories relative to the root above
config TOOLCHAIN_INC_PATH
string
prompt "Toolchain include path" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "./usr/include ./include"
help
Specify additional directories searched for header files (override CPPFLAGS)
Use ./DIR for directories relative to the root above
config TOOLCHAIN_LIB_PATH
string
prompt "Toolchain library path" if DEVEL
depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
default "./usr/lib ./lib"
help
Specify additional directories searched for libraries (override LDFLAGS)
Use ./DIR for directories relative to the root above
config NEED_TOOLCHAIN
bool
depends on DEVEL
default y if !EXTERNAL_TOOLCHAIN
menuconfig TOOLCHAINOPTS
bool "Toolchain Options" if DEVEL
depends on NEED_TOOLCHAIN
menuconfig EXTRA_TARGET_ARCH
bool
prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
depends on !sparc
default y if powerpc64
default n
help
Some builds may require a 'biarch' toolchain. This option
allows you to specify an additional target arch.
Most people will answer N here.
config EXTRA_TARGET_ARCH_NAME
string
default "powerpc64" if powerpc64
prompt "Extra architecture name" if EXTRA_TARGET_ARCH
help
Specify the cpu name (eg powerpc64 or x86_64) of the
additional target architecture.
config EXTRA_TARGET_ARCH_OPTS
string
default "-m64" if powerpc64
prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH
help
If you're specifying an addition target architecture,
you'll probably need to also provide options to make
the compiler use this alternate arch.
For example, if you're building a compiler that can build
both powerpc and powerpc64 binaries, you'll need to
specify -m64 here.
choice
prompt "MIPS64 user-land ABI" if TOOLCHAINOPTS && (mips64 || mips64el)
default MIPS64_ABI_N64
help
MIPS64 supports 3 different user-land ABIs: o32 (legacy),
n32 and n64.
config MIPS64_ABI_N64
bool "n64"
config MIPS64_ABI_N32
bool "n32"
config MIPS64_ABI_O32
bool "o32"
endchoice
comment "Binary tools"
depends on TOOLCHAINOPTS
source "toolchain/binutils/Config.in"
comment "Compiler"
depends on TOOLCHAINOPTS
source "toolchain/gcc/Config.in"
comment "C Library"
depends on TOOLCHAINOPTS
choice
prompt "C Library implementation" if TOOLCHAINOPTS
default USE_UCLIBC
help
Select the C library implementation.
config USE_EGLIBC
bool "Use eglibc"
depends on !avr32
config USE_UCLIBC
bool "Use uClibc"
config USE_MUSL
bool "Use musl"
depends on !(mips64 || mips64el)
endchoice
source "toolchain/eglibc/Config.in"
source "toolchain/uClibc/Config.in"
source "toolchain/musl/Config.in"
comment "Debuggers"
depends on TOOLCHAINOPTS
config GDB
bool
depends on !avr32
prompt "Build gdb" if TOOLCHAINOPTS
default y
help
Enable if you want to build the gdb
config INSIGHT
bool
prompt "Build insight-gdb" if TOOLCHAINOPTS
select GDB
default n
help
Enable if you want to build insight-gdb
config USE_UCLIBC
bool
default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
config USE_EXTERNAL_LIBC
bool
default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
source "toolchain/gcc/Config.version"
source "toolchain/eglibc/Config.version"
source "toolchain/uClibc/Config.version"
source "toolchain/musl/Config.version"
config LIBC
string
default "eglibc" if USE_EGLIBC
default "uClibc" if USE_UCLIBC
default "musl" if USE_MUSL
config LIBC_VERSION
string
default EGLIBC_VERSION if USE_EGLIBC
default UCLIBC_VERSION if USE_UCLIBC
default MUSL_VERSION if USE_MUSL
config TARGET_SUFFIX
string
default "gnueabi" if USE_EGLIBC && (arm || armeb)
default "gnu" if USE_EGLIBC && !(arm || armeb)
default "uclibcgnueabi" if USE_UCLIBC && (arm || armeb)
default "uclibc" if USE_UCLIBC && !(arm || armeb)
default "muslgnueabi" if USE_MUSL && (arm || armeb)
default "musl" if USE_MUSL && !(arm || armeb)
config MIPS64_ABI
depends on mips64 || mips64el
string
default "64" if MIPS64_ABI_N64
default "n32" if MIPS64_ABI_N32
default "32" if MIPS64_ABI_O32
default "64"
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