+# Copyright (C) 2006-2013 OpenWrt.org
#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menuconfig TARGET_OPTIONS
+ bool "Target Options" if DEVEL
+
+ config TARGET_OPTIMIZATION
+ string "Target Optimizations" if TARGET_OPTIONS
+ default DEFAULT_TARGET_OPTIMIZATION
+ help
+ Optimizations to use when building for the target host.
+
+ config SOFT_FLOAT
+ bool "Use software floating point by default" if TARGET_OPTIONS
+ default y if !HAS_FPU
+ depends on arm || armeb || powerpc || mipsel || mips || mips64el || mips64
+ 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).
+
+ Most people will answer N.
+
+ config USE_MIPS16
+ bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
+ depends on HAS_MIPS16
+ default y
+ help
+ If your target CPU does support the MIPS16 instruction set
+ and you want to use it for packages, enable this option.
+ MIPS16 produces smaller binaries thus reducing pressure on
+ caches and TLB.
+
+ Most people will answer N.
+
menuconfig EXTERNAL_TOOLCHAIN
bool
prompt "Use external toolchain" if DEVEL
help
- If enabled, OpenWrt will compile using an existing toolchain instead of compiling one
+ If enabled, LEDE will compile using an existing toolchain instead of
+ compiling one.
config NATIVE_TOOLCHAIN
bool
prompt "Use host's toolchain" if DEVEL
- depends EXTERNAL_TOOLCHAIN
+ depends on EXTERNAL_TOOLCHAIN
select NO_STRIP
help
- If enabled, OpenWrt will compile using the native toolchain for your host instead of compiling one
+ If enabled, LEDE will compile using the native toolchain for your
+ host instead of compiling one.
config TARGET_NAME
string
prompt "Target name" if DEVEL
- depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ default "aarch64-unknown-linux-gnu" if aarch64
+ default "aarch64_be-unknown-linux-gnu" if aarch64_be
default "arm-unknown-linux-gnu" if arm
default "armeb-unknown-linux-gnu" if armeb
default "i486-unknown-linux-gnu" if i386
config TOOLCHAIN_PREFIX
string
prompt "Toolchain prefix" if DEVEL
- depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ default "aarch64-unknown-linux-gnu" if aarch64
+ default "aarch64_be-unknown-linux-gnu" if aarch64_be
default "arm-unknown-linux-gnu-" if arm
default "armeb-unknown-linux-gnu-" if armeb
default "i486-unknown-linux-gnu-" if i386
config TOOLCHAIN_ROOT
string
prompt "Toolchain root" if DEVEL
- depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ default "/opt/cross/aarch64-unknown-linux-gnu" if aarch64
+ default "/opt/cross/aarch64_be-unknown-linux-gnu" if aarch64_be
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/powerpc-unknown-linux-gnu" if powerpc
default "/opt/cross/x86_64-unknown-linux-gnu" if x86_64
+ choice TOOLCHAIN_LIBC_TYPE
+ prompt "Toolchain libc" if DEVEL
+ depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ default EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
+ help
+ Specify the libc type used by the external toolchain. The given value
+ is 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 EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC
+ bool "glibc"
+ select USE_GLIBC
+
+ config EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC
+ bool "uClibc"
+ select USE_UCLIBC
+ depends on !(aarch64 || aarch64_be)
+
+ config EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
+ bool "musl"
+ select USE_MUSL
+
+ endchoice
+
+ config TOOLCHAIN_LIBC
+ string
+ depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ default "glibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC
+ default "uclibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC
+ default "musl" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
+
config TOOLCHAIN_BIN_PATH
string
prompt "Toolchain program path" if DEVEL
- depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ 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
+ 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 EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ 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
+ 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 EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+ 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
+ Specify additional directories searched for libraries (override LDFLAGS).
+ Use ./DIR for directories relative to the root above.
config NEED_TOOLCHAIN
bool
- depends DEVEL
+ depends on DEVEL
default y if !EXTERNAL_TOOLCHAIN
menuconfig TOOLCHAINOPTS
bool "Toolchain Options" if DEVEL
- depends NEED_TOOLCHAIN
-
-config EABI_SUPPORT
- bool
- depends arm||armeb
- prompt "Enable EABI support" if TOOLCHAINOPTS
- default y
- help
- Enable ARM EABI support
+ depends on NEED_TOOLCHAIN
menuconfig EXTRA_TARGET_ARCH
bool
prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
- depends !sparc
- default y if powerpc64
+ depends on !sparc
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
+ depends on !LIBC_USE_MUSL
+ bool "n32"
+
+ config MIPS64_ABI_O32
+ bool "o32"
+
+ endchoice
+
comment "Binary tools"
- depends TOOLCHAINOPTS
+ depends on TOOLCHAINOPTS
source "toolchain/binutils/Config.in"
comment "Compiler"
- depends TOOLCHAINOPTS
+ depends on TOOLCHAINOPTS
source "toolchain/gcc/Config.in"
+config NASM
+ bool
+ depends on ( i386 || x86_64 )
+ prompt "Build nasm" if TOOLCHAINOPTS
+ default y
+ help
+ Enable if you want to build nasm
+
comment "C Library"
- depends TOOLCHAINOPTS
+ depends on TOOLCHAINOPTS
choice
prompt "C Library implementation" if TOOLCHAINOPTS
- default USE_UCLIBC
+ default LIBC_USE_UCLIBC if arc
+ default LIBC_USE_GLIBC if powerpc64
+ default LIBC_USE_MUSL
help
Select the C library implementation.
- config USE_EGLIBC
- bool "Use eglibc"
- depends !avr32
-
- config USE_GLIBC
+ config LIBC_USE_GLIBC
bool "Use glibc"
- depends !avr32
-
- config USE_UCLIBC
+ select USE_GLIBC
+ depends on !arc
+
+ config LIBC_USE_UCLIBC
+ select USE_UCLIBC
bool "Use uClibc"
+ depends on !(aarch64 || aarch64_be || powerpc64)
+ depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel || mips64 || mips64el || powerpc)
+
+ config LIBC_USE_MUSL
+ select USE_MUSL
+ bool "Use musl"
+ depends on !(arc || powerpc64)
endchoice
-source "toolchain/eglibc/Config.in"
-source "toolchain/glibc/Config.in"
source "toolchain/uClibc/Config.in"
comment "Debuggers"
- depends TOOLCHAINOPTS
+ depends on TOOLCHAINOPTS
config GDB
bool
prompt "Build gdb" if TOOLCHAINOPTS
- default n
+ default y if !EXTERNAL_TOOLCHAIN
help
- Enable if you want to build the gdb
+ Enable if you want to build the gdb.
-config INSIGHT
+config USE_GLIBC
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (powerpc64)
bool
- prompt "Build insight-gdb" if TOOLCHAINOPTS
- select GDB
- default n
- help
- Enable if you want to build insight-gdb
config USE_UCLIBC
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc)
bool
- default y if !TOOLCHAINOPTS
-source "toolchain/gcc/Config.version"
+config USE_MUSL
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(arc || powerpc64)
+ bool
+
+config SSP_SUPPORT
+ default y if USE_MUSL || GCC_LIBSSP
+ bool
+
+config USE_EXTERNAL_LIBC
+ bool
+ default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
-source "toolchain/eglibc/Config.version"
-source "toolchain/glibc/Config.version"
-source "toolchain/uClibc/Config.version"
+source "toolchain/binutils/Config.version"
+source "toolchain/gcc/Config.version"
config LIBC
string
- default "eglibc" if USE_EGLIBC
default "glibc" if USE_GLIBC
default "uClibc" if USE_UCLIBC
-
-config LIBC_VERSION
- string
- default EGLIBC_VERSION if USE_EGLIBC
- default GLIBC_VERSION if USE_GLIBC
- default UCLIBC_VERSION if USE_UCLIBC
+ default "musl" 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 "uclibcgnueabi" if USE_UCLIBC && EABI_SUPPORT
- default "uclibc" if USE_UCLIBC && !EABI_SUPPORT
-
+ default "gnueabi" if USE_GLIBC && (arm || armeb)
+ default "gnu" if USE_GLIBC && !(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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