X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=toolchain%2FConfig.in;h=ecd9d200f177860d693fb95360b36d480c5cb6ff;hb=f59c84c431cb4d4685e3d398994d28acd0597642;hp=05cc350f2e8d63bb79fe598388d9c37a29c5e87e;hpb=97e7fdf6fdb8a91da52f622b499181171262af19;p=oweals%2Fopenwrt.git diff --git a/toolchain/Config.in b/toolchain/Config.in index 05cc350f2e..ecd9d200f1 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -1,10 +1,50 @@ +# 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 + depends on !GCC_VERSION_4_6 + 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, OpenWrt will compile using an existing toolchain instead of + compiling one. config NATIVE_TOOLCHAIN bool @@ -12,12 +52,15 @@ menuconfig 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, 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 "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 @@ -30,6 +73,8 @@ menuconfig EXTERNAL_TOOLCHAIN 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 @@ -42,6 +87,8 @@ menuconfig EXTERNAL_TOOLCHAIN 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 @@ -56,10 +103,10 @@ menuconfig EXTERNAL_TOOLCHAIN 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. + 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 TOOLCHAIN_BIN_PATH string @@ -67,8 +114,8 @@ menuconfig EXTERNAL_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 @@ -76,8 +123,8 @@ menuconfig EXTERNAL_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 @@ -85,8 +132,8 @@ menuconfig EXTERNAL_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 @@ -164,6 +211,7 @@ comment "C Library" choice prompt "C Library implementation" if TOOLCHAINOPTS + default LIBC_USE_EGLIBC if (aarch64 || aarch64_be) default LIBC_USE_UCLIBC help Select the C library implementation. @@ -176,11 +224,12 @@ choice config LIBC_USE_UCLIBC select USE_UCLIBC bool "Use uClibc" + depends on !(aarch64 || aarch64_be) config LIBC_USE_MUSL - bool "Use musl" select USE_MUSL - depends on !(mips64 || mips64el) + bool "Use musl" + depends on !(mips64 || mips64el || aarch64 || aarch64_be) endchoice @@ -193,11 +242,11 @@ comment "Debuggers" config GDB bool - depends on !avr32 + depends on !(avr32 || aarch64 || aarch64_be) prompt "Build gdb" if TOOLCHAINOPTS - default y + default y if !EXTERNAL_TOOLCHAIN help - Enable if you want to build the gdb + Enable if you want to build the gdb. config INSIGHT bool @@ -205,14 +254,15 @@ config INSIGHT select GDB default n help - Enable if you want to build insight-gdb + Enable if you want to build insight-gdb. config USE_EGLIBC bool + default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (aarch64 || aarch64_be || octeon) config USE_UCLIBC bool - default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN + default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(aarch64 || aarch64_be || octeon) config USE_MUSL bool