+# Copyright (C) 2006-2013 OpenWrt.org
#
-config NATIVE_TOOLCHAIN
+# 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 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, LEDE 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, LEDE 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 "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
+ 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 "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
+ 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/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/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
+
+ 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 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 n
help
Some builds may require a 'biarch' toolchain. This option
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 on TOOLCHAINOPTS
+
source "toolchain/binutils/Config.in"
+
+comment "Compiler"
+ 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 on TOOLCHAINOPTS
+
+choice
+ prompt "C Library implementation" if TOOLCHAINOPTS
+ default LIBC_USE_UCLIBC if arc
+ default LIBC_USE_GLIBC if powerpc64
+ default LIBC_USE_MUSL
+ help
+ Select the C library implementation.
+
+ config LIBC_USE_GLIBC
+ bool "Use glibc"
+ 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/uClibc/Config.in"
+comment "Debuggers"
+ 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 LARGEFILE
+config USE_GLIBC
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (powerpc64)
bool
- prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
- default y
- help
- Enable large file (files > 2 GB) support
-config SHADOW_PASSWORDS
+config USE_UCLIBC
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc)
bool
- prompt "Enable shadow password support?" if TOOLCHAINOPTS
- default y
- help
- Enable shadow password support.
-config SOFT_FLOAT
+config USE_MUSL
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(arc || powerpc64)
bool
- prompt "Use software floating point by default" if TOOLCHAINOPTS
- default y
- depends on arm || armeb || powerpc
- 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 SSP_SUPPORT
+ default y if USE_MUSL || GCC_LIBSSP
+ bool
-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
- 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 armeb || arm
- default "-Os -pipe -funit-at-a-time"
- help
- Optimizations to use when building for the target host.
+config USE_EXTERNAL_LIBC
+ bool
+ default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
+source "toolchain/binutils/Config.version"
source "toolchain/gcc/Config.version"
-source "toolchain/uClibc/Config.version"
+
+config LIBC
+ string
+ default "glibc" if USE_GLIBC
+ default "uClibc" if USE_UCLIBC
+ default "musl" if USE_MUSL
+
+config TARGET_SUFFIX
+ string
+ 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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