#
-config NATIVE_TOOLCHAIN
+
+menuconfig EXTERNAL_TOOLCHAIN
bool
- prompt "Use host's toolchain" if DEVEL && BROKEN
- default n
+ prompt "Use external toolchain" if DEVEL
help
- If enabled, OpenWrt will compile using your existing toolchain instead of compiling one
+ 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 !NATIVE_TOOLCHAIN
+ 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
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
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,
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 "LIBC implementation" if TOOLCHAINOPTS
- default USE_UCLIBC
+ prompt "C Library implementation" if TOOLCHAINOPTS
+ default LIBC_USE_UCLIBC
help
- Select the LIBC implementation.
+ Select the C library implementation.
- config USE_EGLIBC
+ config LIBC_USE_EGLIBC
bool "Use eglibc"
- depends !avr32
- select NO_STRIP
-
- config USE_GLIBC
- bool "Use glibc"
- depends !avr32
- select NO_STRIP
-
- config USE_UCLIBC
+ select USE_EGLIBC
+ depends on !avr32
+
+ config LIBC_USE_UCLIBC
+ select USE_UCLIBC
bool "Use uClibc"
+ config LIBC_USE_MUSL
+ bool "Use musl"
+ select USE_MUSL
+ depends on !(mips64 || mips64el)
+
endchoice
source "toolchain/eglibc/Config.in"
-source "toolchain/glibc/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 n
+ default y if !EXTERNAL_TOOLCHAIN
help
Enable if you want to build the gdb
-config LARGEFILE
+config INSIGHT
bool
- prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
- default y
+ prompt "Build insight-gdb" if TOOLCHAINOPTS
+ select GDB
+ default n
help
- Enable large file (files > 2 GB) support
+ Enable if you want to build insight-gdb
-config SHADOW_PASSWORDS
+config USE_EGLIBC
bool
- prompt "Enable shadow password support?" if TOOLCHAINOPTS
- default y
- help
- Enable shadow password support.
-config SOFT_FLOAT
+config USE_UCLIBC
bool
- prompt "Use software floating point by default" if TOOLCHAINOPTS
- default y
- depends on (arm || armeb || powerpc) && !HAS_FPU
- help
- If your target CPU does not have a Floating Point Unit (FPU) or a
- kernel FPU emulator, but you still wish to support floating point
- functions, then everything will need to be compiled with soft floating
- point support (-msoft-float).
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
- Most people will answer N.
-
-config TARGET_OPTIMIZATION
- string
- prompt "Target Optimizations" if TOOLCHAINOPTS
- default "-O2 -pipe -march=i686 -funit-at-a-time" if TARGET_x86_mediacenter
- default "-O2 -pipe -march=i486 -funit-at-a-time" if TARGET_x86
- default "-Os -pipe -march=i486 -funit-at-a-time" if TARGET_rdc || TARGET_uml
- default "-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time" if TARGET_ar71xx
- default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
- default "-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time" if TARGET_ixp4xx || TARGET_iop32x || TARGET_pxa || TARGET_orion
- default "-Os -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time" if TARGET_storm
- default "-Os -pipe -funit-at-a-time"
- help
- Optimizations to use when building for the target host.
+config USE_MUSL
+ bool
-config USE_UCLIBC
+config USE_EXTERNAL_LIBC
bool
- default y if !TOOLCHAINOPTS
+ default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
source "toolchain/gcc/Config.version"
source "toolchain/eglibc/Config.version"
-source "toolchain/glibc/Config.version"
source "toolchain/uClibc/Config.version"
+source "toolchain/musl/Config.version"
config LIBC
string
default "eglibc" if USE_EGLIBC
- default "glibc" if USE_GLIBC
default "uClibc" if USE_UCLIBC
+ default "musl" if USE_MUSL
config LIBC_VERSION
string
default EGLIBC_VERSION if USE_EGLIBC
- default GLIBC_VERSION if USE_GLIBC
default UCLIBC_VERSION if USE_UCLIBC
+ default MUSL_VERSION if USE_MUSL
config TARGET_SUFFIX
string
- default "gnueabi" if (USE_EGLIBC || USE_GLIBC) && EABI_SUPPORT
- default "gnu" if (USE_EGLIBC || USE_GLIBC) && !EABI_SUPPORT
- default "uclibc-gnueabi" if USE_UCLIBC && EABI_SUPPORT
- default "uclibc" if USE_UCLIBC && !EABI_SUPPORT
+ 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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