X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=toolchain%2FConfig.in;h=3b35ac6ea58d24764fc3ace38a42714b9d7ec0a8;hp=e32364095bbe31ab78b6c8f8c698dd48a8cb1075;hb=6965eb4600042f5fc41f70875bf429168b9d128b;hpb=e03292226618c68f219f41d745f92172687690dd diff --git a/toolchain/Config.in b/toolchain/Config.in index e32364095b..3b35ac6ea5 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -1,23 +1,64 @@ +# 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 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, OpenWrt 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 "arm-unknown-linux-gnu" if arm default "armeb-unknown-linux-gnu" if armeb default "i486-unknown-linux-gnu" if i386 @@ -29,7 +70,7 @@ menuconfig EXTERNAL_TOOLCHAIN config TOOLCHAIN_PREFIX string prompt "Toolchain prefix" if DEVEL - depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN + 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 @@ -41,7 +82,7 @@ menuconfig EXTERNAL_TOOLCHAIN config TOOLCHAIN_ROOT string prompt "Toolchain root" if DEVEL - depends EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN + 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 @@ -53,54 +94,54 @@ menuconfig EXTERNAL_TOOLCHAIN config TOOLCHAIN_LIBC string prompt "Toolchain libc" if DEVEL - depends EXTERNAL_TOOLCHAIN && !NATIVE_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 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 + depends on NEED_TOOLCHAIN menuconfig EXTRA_TARGET_ARCH bool prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS - depends !sparc + depends on !sparc default y if powerpc64 default n help @@ -150,33 +191,37 @@ menuconfig EXTRA_TARGET_ARCH 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" comment "C Library" - depends TOOLCHAINOPTS + depends on TOOLCHAINOPTS choice prompt "C Library implementation" if TOOLCHAINOPTS - default USE_UCLIBC + default LIBC_USE_UCLIBC help Select the C library implementation. - config USE_EGLIBC + config LIBC_USE_EGLIBC bool "Use eglibc" - depends !avr32 - - config USE_UCLIBC + select USE_EGLIBC + depends on !avr32 + + config LIBC_USE_UCLIBC + select USE_UCLIBC bool "Use uClibc" - config USE_MUSL + config LIBC_USE_MUSL bool "Use musl" + select USE_MUSL + depends on !(mips64 || mips64el) endchoice @@ -185,15 +230,15 @@ source "toolchain/uClibc/Config.in" source "toolchain/musl/Config.in" comment "Debuggers" - depends TOOLCHAINOPTS + depends on TOOLCHAINOPTS config GDB bool - depends !avr32 + depends on !avr32 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 @@ -201,11 +246,18 @@ 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 && octeon config USE_UCLIBC bool - default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN + default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !octeon + +config USE_MUSL + bool config USE_EXTERNAL_LIBC bool @@ -239,7 +291,7 @@ config TARGET_SUFFIX default "musl" if USE_MUSL && !(arm || armeb) config MIPS64_ABI - depends mips64 || mips64el + depends on mips64 || mips64el string default "64" if MIPS64_ABI_N64 default "n32" if MIPS64_ABI_N32