+# 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
+ depends on (arm || armeb || powerpc || mipsel || mips || mips64el || mips64) && !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).
+
+ 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
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
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
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
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
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
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)
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)
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)
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
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 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
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
help
Enable if you want to build insight-gdb
+config USE_EGLIBC
+ bool
+
config USE_UCLIBC
bool
default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+config USE_MUSL
+ bool
+
config USE_EXTERNAL_LIBC
bool
default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
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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