#
-config NATIVE_TOOLCHAIN
+
+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, 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
+ 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
+ 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 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
+ 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 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
+ 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
+
+ config TOOLCHAIN_BIN_PATH
+ string
+ prompt "Toolchain program path" if DEVEL
+ depends 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 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 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 DEVEL
+ default y if !EXTERNAL_TOOLCHAIN
menuconfig TOOLCHAINOPTS
- bool "Toolchain Options" if DEVEL
- depends !NATIVE_TOOLCHAIN
+ bool "Toolchain Options" if DEVEL
+ depends NEED_TOOLCHAIN
+
+menuconfig EXTRA_TARGET_ARCH
+ bool
+ prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
+ depends !sparc
+ default y if powerpc64
+ default n
+ help
+ Some builds may require a 'biarch' toolchain. This option
+ allows you to specify an additional target arch.
+
+ Most people will answer N here.
+
+ 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
+ additional target architecture.
+
+ 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,
+ you'll probably need to also provide options to make
+ the compiler use this alternate arch.
+
+ For example, if you're building a compiler that can build
+ both powerpc and powerpc64 binaries, you'll need to
+ specify -m64 here.
+
+comment "Binary tools"
+ depends TOOLCHAINOPTS
source "toolchain/binutils/Config.in"
+
+comment "Compiler"
+ depends TOOLCHAINOPTS
+
source "toolchain/gcc/Config.in"
+comment "C Library"
+ depends TOOLCHAINOPTS
+
+choice
+ prompt "C Library implementation" if TOOLCHAINOPTS
+ default USE_UCLIBC
+ help
+ Select the C library implementation.
+
+ config USE_EGLIBC
+ bool "Use eglibc"
+ depends !avr32
+
+ config USE_GLIBC
+ bool "Use glibc"
+ depends !avr32
+
+ config USE_UCLIBC
+ bool "Use uClibc"
+
+endchoice
+
+source "toolchain/eglibc/Config.in"
+source "toolchain/glibc/Config.in"
+source "toolchain/uClibc/Config.in"
+
+comment "Debuggers"
+ depends TOOLCHAINOPTS
+
config GDB
bool
prompt "Build gdb" if TOOLCHAINOPTS
help
Enable if you want to build the gdb
-config LARGEFILE
+config INSIGHT
bool
- prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
- default y
+ prompt "Build insight-gdb" if TOOLCHAINOPTS
+ select GDB
+ default n
help
- Enable large file (files > 2 GB) support
+ Enable if you want to build insight-gdb
-config C99_MATH
+config USE_UCLIBC
bool
- prompt "Enable full C99 math support?" if TOOLCHAINOPTS
- default n
- help
- Enable if you need full C99 math in libm
+ default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
-config SOFT_FLOAT
+config USE_EXTERNAL_LIBC
bool
- prompt "Use software floating point by default" if TOOLCHAINOPTS
- default n
- depends on arm || mips || 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).
+ default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
+
+source "toolchain/gcc/Config.version"
- Most people will answer N.
+source "toolchain/eglibc/Config.version"
+source "toolchain/glibc/Config.version"
+source "toolchain/uClibc/Config.version"
-config TARGET_OPTIMIZATION
+config LIBC
string
- prompt "Target Optimizations" if TOOLCHAINOPTS
- default "-O2 -pipe -march=i486 -funit-at-a-time" if LINUX_2_6_X86
- default "-Os -pipe -march=i486 -funit-at-a-time" if LINUX_2_6_RDC
- default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
- default "-Os -pipe -mcpu=xscale -funit-at-a-time" if armeb
- default "-Os -pipe -funit-at-a-time"
- help
- Optimizations to use when building for the target host.
+ default "eglibc" if USE_EGLIBC
+ default "glibc" if USE_GLIBC
+ default "uClibc" if USE_UCLIBC
-source "toolchain/gcc/Config.version"
+config LIBC_VERSION
+ string
+ default EGLIBC_VERSION if USE_EGLIBC
+ default GLIBC_VERSION if USE_GLIBC
+ default UCLIBC_VERSION if USE_UCLIBC
+
+config TARGET_SUFFIX
+ string
+ default "gnueabi" if (USE_EGLIBC || USE_GLIBC) && (arm || armeb)
+ default "gnu" if (USE_EGLIBC || USE_GLIBC) && !(arm || armeb)
+ default "uclibcgnueabi" if USE_UCLIBC && (arm || armeb)
+ default "uclibc" if USE_UCLIBC && !(arm || armeb)
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