if BR2_TOOLCHAIN_EXTERNAL

choice
	prompt "Toolchain"

config BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_04
	bool "Linaro 2012.04"
	depends on BR2_arm
	depends on BR2_cortex_a8 || BR2_cortex_a9
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Linaro toolchain for the ARM architecture. It uses Linaro
	  GCC 2012.04 (based on gcc 4.7), Linaro GDB 2012.04 (based on
	  GDB 7.4), eglibc 2.13. It generates code that runs on all
	  Cortex-A profile devices, but tuned for the Cortex-A9. The
	  code generated is Thumb 2, with the softfp calling
	  convention, and uses the VFPv3-D16 FPU instructions.

config BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_03
	bool "Linaro 2012.03"
	depends on BR2_arm
	depends on BR2_cortex_a8 || BR2_cortex_a9
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Linaro toolchain for the ARM architecture. It uses Linaro
	  GCC 2012.03 (based on gcc 4.6), Linaro GDB 2012.03, eglibc
	  2.13. It generates code that runs on all Cortex-A profile
	  devices, but tuned for the Cortex-A9. The code generated is
	  Thumb 2, with the softfp calling convention, and uses the
	  VFPv3-D16 FPU instructions.

config BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_02
	bool "Linaro 2012.02"
	depends on BR2_arm
	depends on BR2_cortex_a8 || BR2_cortex_a9
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Linaro toolchain for the ARM architecture. It uses Linaro
	  GCC 2012.02 (based on gcc 4.6), Linaro GDB 2012.02, eglibc
	  2.13. It generates code that runs on all Cortex-A profile
	  devices, but tuned for the Cortex-A9. The code generated is
	  Thumb 2, with the softfp calling convention, and uses the
	  VFPv3-D16 FPU instructions.

config BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_01
	bool "Linaro 2012.01"
	depends on BR2_arm
	depends on BR2_cortex_a8 || BR2_cortex_a9
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Linaro toolchain for the ARM architecture. It uses Linaro
	  GCC 2012.01 (based on gcc 4.6), Linaro GDB 2011.12, eglibc
	  2.13. It generates code that runs on all Cortex-A profile
	  devices, but tuned for the Cortex-A9. The code generated is
	  Thumb 2, with the softfp calling convention, and uses the
	  VFPv3-D16 FPU instructions.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201109
	bool "Sourcery CodeBench ARM 2011.09"
	depends on BR2_arm
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the ARM architecture, from
	  Mentor Graphics. It uses gcc 4.6.1, binutils 2.21.53, glibc
	  2.13 and gdb 7.2.50, kernel headers 3.0.1. It has support
	  for the following variants:
            - ARMv5TE, little endian, soft-float, glibc
              Select ARM926T, ARM10T, XScale or another ARMv5 core
              Select BR2_SOFT_FLOAT
            - ARMv4T, little endian, soft-float, glibc
              Select ARM720T, ARM920T, ARM922T or another ARMv4 core
              Select BR2_SOFT_FLOAT
            - ARMv7-A, Thumb 2, little endian, soft-float, glibc
              Select Cortex-A8, Cortex-A9 or another ARMv7-A core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mthumb

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201103
	bool "Sourcery CodeBench ARM 2011.03"
	depends on BR2_arm
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the ARM architecture, from
	  Mentor Graphics. It uses gcc 4.5.2, binutils 2.20.51, glibc
	  2.13 and gdb 7.2.50, kernel headers 2.6.38. It has support
	  for the following variants:
            - ARMv5TE, little endian, soft-float, glibc
              Select ARM926T, ARM10T, XScale or another ARMv5 core
              Select BR2_SOFT_FLOAT
            - ARMv4T, little endian, soft-float, glibc
              Select ARM720T, ARM920T, ARM922T or another ARMv4 core
              Select BR2_SOFT_FLOAT
            - ARMv7-A, Thumb 2, little endian, soft-float, glibc
              Select Cortex-A8, Cortex-A9 or another ARMv7-A core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mthumb

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201009
	bool "Sourcery CodeBench ARM 2010.09"
	depends on BR2_arm
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the ARM architecture, from
	  Mentor Graphics. It uses gcc 4.5.1, binutils 2.20, glibc
	  2.11 and gdb 7.2.50, kernel headers 2.6.35.2. It has support
	  for the following variants:
            - ARMv5TE, little endian, soft-float, glibc
	      Select ARM926T, ARM10T, XScale or another ARMv5 core
              Select BR2_SOFT_FLOAT
            - ARMv4T, little endian, soft-float, glibc
              Select ARM720T, ARM920T, ARM922T or another ARMv4 core
              Select BR2_SOFT_FLOAT
            - ARMv7-A, Thumb 2, little endian, soft-float, glibc
              Select Cortex-A8, Cortex-A9 or another ARMv7-A core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mthumb

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2010Q1
	bool "Sourcery CodeBench ARM 2010q1"
	depends on BR2_arm
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the ARM architecture, from
	  Mentor Graphics. It uses gcc 4.4.1, binutils 2.19, glibc
	  2.11, gdb 7.0.50 and kernel headers 2.6.32. It has support
	  for the following variants:
             - ARMv5T, little endian, soft-float, glibc
               Select ARM926T, ARM10T, XScale or another ARMv5 core
               Select BR2_SOFT_FLOAT
             - ARMv4T, little endian, soft-float, glibc
               Select ARM720T, ARM920T, ARM922T or another ARMv4 core
               Select BR2_SOFT_FLOAT
             - ARMv7-A, Thumb 2, little endian, soft-float, glibc
               Select Cortex-A8, Cortex-A9 or another ARMv7-A core
               Select BR2_SOFT_FLOAT
               Set BR2_TARGET_OPTIMIZATION to -mthumb

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2009Q3
	bool "Sourcery CodeBench ARM 2009q3"
	depends on BR2_arm
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the ARM architecture, from
	  Mentor Graphics. It uses gcc 4.4.1, binutils 2.19, glibc
	  2.10 and gdb 6.8 and kernel headers 2.6.30. It has support
	  for the following variants:
            - ARMv5T, little endian, soft-float, glibc
              Select ARM926T, ARM10T, XScale or another ARMv5 core
              Select BR2_SOFT_FLOAT
            - ARMv4T, little endian, soft-float, glibc
              Select ARM720T, ARM920T, ARM922T or another ARMv4 core
              Select BR2_SOFT_FLOAT
            - ARMv7-A, Thumb 2, little endian, soft-float, glibc
              Select Cortex-A8, Cortex-A9 or another ARMv7-A core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mthumb

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201103
	bool "Sourcery CodeBench MIPS 2011.03"
	depends on BR2_mips || BR2_mipsel
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the MIPS architecture, from
	  Mentor Graphics. It uses gcc 4.5.2, binutils 2.20.51, glibc
	  2.13, uClibc 0.9.30 and gdb 7.2.50, kernel headers
	  2.6.38. It has support for the following variants:
            - MIPS32 O32 big endian glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
            - MIPS32 O32 little endian glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL
            - MIPS32 big endian soft float glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
            - MIPS32 little endian soft float glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL
            - MIPS32 big endian microMIPS glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mips16
            - MIPS32 little endian microMIPS glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL -mips16
            - MIPS32 big endian soft float microMIPS glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mips16
            - MIPS32 little endian soft float microMIPS glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL -mips16
            - MIPS32 big endian uclibc
              Not usable in Buildroot yet.
            - MIPS32 little endian uclibc
              Not usable in Buildroot yet.
            - MIPS32 big endian soft float uclibc
              Not usable in Buildroot yet.
            - MIPS32 little endian soft float uclibc
              Not usable in Buildroot yet.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS44
	bool "Sourcery CodeBench MIPS 4.4"
	depends on BR2_mips || BR2_mipsel
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the MIPS architecture, from
	  Mentor Graphics. It uses gcc 4.4.1, binutils 2.19, glibc
	  2.11, uClibc 0.9.30 and gdb 7.0, kernel headers 2.6.32. It
	  has support for the following variants:
            - MIPS32 O32 big endian glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
            - MIPS32 O32 little endian glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL
            - MIPS32 big endian soft float glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
            - MIPS32 little endian soft float glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL
            - MIPS32 big endian microMIPS glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mips16
            - MIPS32 little endian microMIPS glibc
              Select a MIPS generic core
              Disable BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL -mips16
            - MIPS32 big endian soft float microMIPS glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -mips16
            - MIPS32 little endian soft float microMIPS glibc
              Select a MIPS generic core
              Select BR2_SOFT_FLOAT
              Set BR2_TARGET_OPTIMIZATION to -EL -mips16
            - MIPS32 big endian uclibc
              Not usable in Buildroot yet.
            - MIPS32 little endian uclibc
              Not usable in Buildroot yet.
            - MIPS32 big endian soft float uclibc
              Not usable in Buildroot yet.
            - MIPS32 little endian soft float uclibc
              Not usable in Buildroot yet.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201103
	bool "Sourcery CodeBench PowerPC 2011.03"
	depends on BR2_powerpc
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the PowerPC architecture,
	  from Mentor Graphics. It uses gcc 4.5.2, binutils 2.20.51,
	  glibc 2.13, gdb 7.2.50 and kernel headers 2.6.38. It has
	  support for the following variants:
            - 603 glibc, 32 bits
	      Select a generic PowerPC core
	      Disable BR2_SOFT_FLOAT
            - 603 soft float glibc, 32 bits
	      Select a generic PowerPC core
	      Enable BR2_SOFT_FLOAT
            - e600 altivec glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te600
            - e500v1 glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500v1
            - e500v2 glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500v2
            - e500mc glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500mc
            - 970 glibc hard-float, 64 bits
              Set BR2_TARGET_OPTIMIZATION to -m64

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201009
	bool "Sourcery CodeBench PowerPC 2010.09"
	depends on BR2_powerpc
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the PowerPC architecture,
	  from Mentor Graphics. It uses gcc 4.5.1, binutils 2.20,
	  glibc 2.11, gdb 7.2.50 and kernel headers 2.6.35.2. It has
	  support for the following variants:
            - 603 glibc, 32 bits
	      Select a generic PowerPC core
	      Disable BR2_SOFT_FLOAT
            - 603 soft float glibc, 32 bits
	      Select a generic PowerPC core
	      Enable BR2_SOFT_FLOAT
            - e600 altivec glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te600
            - e500v1 glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500v1
            - e500v2 glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500v2
            - e500mc glibc, 32 bits
              Set BR2_TARGET_OPTIMIZATION to -te500mc
            - 970 glibc hard-float, 64 bits
              Set BR2_TARGET_OPTIMIZATION to -m64

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201103
	bool "Sourcery CodeBench SH 2011.03"
	depends on BR2_sh4a || BR2_sh4aeb
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the SuperH architecture,
	  from Mentor Graphics. It uses gcc 4.5.2, binutils 2.20,
	  glibc 2.13, uClibc 0.9.30, gdb 7.2.50 and kernel headers
	  2.6.38. It has support for the following variants:
            - SH4A, glibc, little endian
              Default.
            - SH4A, glibc, big endian
              Add -mb to BR2_TARGET_OPTIMIZATION
            - SH4A, uClibc, little endian
              Not usable in Buildroot yet.
            - SH4A, uClibc, big endian
              Not usable in Buildroot yet.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201009
	bool "Sourcery CodeBench SH 2010.09"
	depends on BR2_sh4a || BR2_sh4aeb
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the SuperH architecture,
	  from Mentor Graphics. It uses gcc 4.5.1, binutils 2.20,
	  glibc 2.11, uClibc 0.9.30, gdb 7.2.50 and kernel headers
	  2.6.35.2. It has support for the following variants:
            - SH4A, glibc, little endian
              Default.
            - SH4A, glibc, big endian
              Add -mb to BR2_TARGET_OPTIMIZATION
            - SH4A, uClibc, little endian
              Not usable in Buildroot yet.
            - SH4A, uClibc, big endian
              Not usable in Buildroot yet.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201103
	bool "Sourcery CodeBench SH 2011.03"
	depends on BR2_sh2a
	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	select BR2_LARGEFILE
	select BR2_INET_RPC
	select BR2_USE_WCHAR
	select BR2_TOOLCHAIN_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the SuperH architecture,
	  from Mentor Graphics. It uses gcc 4.5.2, binutils 2.20,
	  uClibc 0.9.30, gdb 7.2.50 and kernel headers 2.6.38. It has
	  support for the following variants:
            - SH2A, uClibc, big endian

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201009
	bool "Sourcery CodeBench SH 2010.09"
	depends on BR2_sh2a
	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	select BR2_LARGEFILE
	select BR2_INET_RPC
	select BR2_USE_WCHAR
	select BR2_TOOLCHAIN_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the SuperH architecture,
	  from Mentor Graphics. It uses gcc 4.5.1, binutils 2.20,
	  uClibc 0.9.30, gdb 7.2.50 and kernel headers 2.6.35.2. It
	  has support for the following variants:
            - SH2A, uClibc, big endian

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201109
	bool "Sourcery CodeBench x86/x86_64 2011.09"
	depends on BR2_i386 || BR2_x86_64
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the x86/x86_64
	  architectures, from Mentor Graphics. It uses gcc 4.6.1,
	  binutils 2.21.53, glibc 2.13, gdb 7.2.50 and kernel headers
	  3.0.1. It has support for the following variants:
	    - Intel Pentium 4, glibc, 32 bits
	      Default for x86, nothing special to do.
	    - Intel Atom, glibc, 32 bits
	      Select an Atom core
	    - Intel Xeon, glibc, 64 bits
	      Default for x86_64, nothing special to do.
	    - Intel Core 2, glibc, 64 bits
	      Select a Core 2 core
	  Other architecture variants (beyond Pentium-4/Xeon) are
	  supported as well, but glibc is not optimised for it.

config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201009
	bool "Sourcery CodeBench x86/x86_64 2010.09"
	depends on BR2_i386 || BR2_x86_64
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
	select BR2_INSTALL_LIBSTDCPP
	help
	  Sourcery CodeBench toolchain for the x86/x86_64
	  architectures, from Mentor Graphics. It uses gcc 4.5.1,
	  binutils 2.20, glibc 2.11, gdb 7.2.50 and kernel headers
	  2.6.35.2. It has support for the following variants:
	    - Intel Pentium 4, glibc, 32 bits
	      Default for x86, nothing special to do.
	    - Intel Atom, glibc, 32 bits
	      Select an Atom core
	    - Intel Xeon, glibc, 64 bits
	      Default for x86_64, nothing special to do.
	    - Intel Core 2, glibc, 64 bits
	      Select a Core 2 core
	  Other architecture variants (beyond Pentium-4/Xeon) are
	  supported as well, but glibc is not optimised for it.

config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1
	bool "Blackfin.uclinux.org 2011R1-RC4"
	depends on BR2_bfin
	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	select BR2_INSTALL_LIBSTDCPP
	select BR2_LARGEFILE
	select BR2_INET_IPV6
	select BR2_INET_RPC
	select BR2_USE_WCHAR
	select BR2_TOOLCHAIN_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	help
	  Toolchain for the Blackfin architecture, from
	  http://blackfin.uclinux.org.

config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2010RC1
	bool "Blackfin.uclinux.org 2010RC1"
	depends on BR2_bfin
	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	select BR2_INSTALL_LIBSTDCPP
	select BR2_LARGEFILE
	select BR2_INET_IPV6
	select BR2_INET_RPC
	select BR2_USE_WCHAR
	select BR2_TOOLCHAIN_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	help
	  Toolchain for the Blackfin architecture, from
	  http://blackfin.uclinux.org.

config BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2
	bool "Xilinx Little Endian Microblaze GNU Tools"
	depends on BR2_microblazeel
	select BR2_LARGEFILE
	select BR2_INET_IPV6
	select BR2_INET_RPC
	select BR2_ENABLE_LOCALE
	select BR2_USE_WCHAR
	help
	  Toolchain for the Microblaze architecture, from
	  http://wiki.xilinx.com/mb-gnu-tools

config BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2
	bool "Xilinx Big Endian Microblaze GNU Tools"
	depends on BR2_microblazebe
	select BR2_LARGEFILE
	select BR2_INET_IPV6
	select BR2_INET_RPC
	select BR2_ENABLE_LOCALE
	select BR2_USE_WCHAR
	help
	  Toolchain for the Microblaze architecture, from
	  http://wiki.xilinx.com/mb-gnu-tools

config BR2_TOOLCHAIN_EXTERNAL_CUSTOM
       bool "Custom toolchain"
       help
         Use this option to use a custom toolchain pre-installed on
         your system.

endchoice

config BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD
	bool "Download toolchain automatically"
	default y
	depends on !BR2_TOOLCHAIN_EXTERNAL_CUSTOM
	help
	  When enabled, Buildroot will automatically download and
	  install the selected external toolchain. When disabled,
	  Buildroot will use a pre-installed toolchain.

config BR2_TOOLCHAIN_EXTERNAL_PATH
	string "Toolchain path"
	default "/path/to/toolchain/usr"
	depends on !BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD
	help
	  Path to where the external toolchain is installed.

config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX
	string "Toolchain prefix"
	depends on BR2_TOOLCHAIN_EXTERNAL_CUSTOM
	default "$(ARCH)-linux"

config BR2_TOOLCHAIN_EXTERNAL_PREFIX
	string
	default "arm-linux-gnueabi"	 if BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_01
	default "arm-linux-gnueabi"	 if BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_02
	default "arm-linux-gnueabi"	 if BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_03
	default "arm-linux-gnueabi"	 if BR2_TOOLCHAIN_EXTERNAL_LINARO_2012_04
	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2009Q3
	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM2010Q1
	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201009
	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201103
	default "arm-none-linux-gnueabi" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201109
	default "microblazeel-unknown-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2
	default "microblaze-unknown-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2
	default "mips-linux-gnu"         if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS44
	default "mips-linux-gnu"         if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201103
	default "powerpc-linux-gnu"      if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201009
	default "powerpc-linux-gnu"      if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201103
	default "sh-linux-gnu"           if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201009
	default "sh-linux-gnu"           if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201103
	default "sh-uclinux"             if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201009
	default "sh-uclinux"             if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201103
	default "i686-pc-linux-gnu"	 if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201009
	default "i686-pc-linux-gnu"	 if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201109
	default "bfin-uclinux"		 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2010RC1 && !BR2_BFIN_FDPIC
	default "bfin-linux-uclibc"	 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2010RC1 && BR2_BFIN_FDPIC
	default "bfin-uclinux"		 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && !BR2_BFIN_FDPIC
	default "bfin-linux-uclibc"	 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && BR2_BFIN_FDPIC
	default $(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX) \
					 if BR2_TOOLCHAIN_EXTERNAL_CUSTOM

config BR2_TOOLCHAIN_EXTERNAL_GLIBC
	bool
	select BR2_LARGEFILE
	select BR2_INET_IPV6
	select BR2_INET_RPC
	select BR2_USE_WCHAR
	select BR2_ENABLE_LOCALE
	select BR2_TOOLCHAIN_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS

config BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	bool

if BR2_TOOLCHAIN_EXTERNAL_CUSTOM

choice
	prompt "External toolchain C library"
	default BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC

config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC
	bool "uClibc"
	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
	# For the time being, we assume that all custom external
	# toolchains have shadow password support.
	select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS

config BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC
	bool "glibc"
	select BR2_TOOLCHAIN_EXTERNAL_GLIBC

endchoice

if BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC

config BR2_TOOLCHAIN_EXTERNAL_LARGEFILE
	bool "Toolchain has large file support?"
	select BR2_LARGEFILE
	help
	  Select this option if your external toolchain supports
	  largefile. If you don't know, leave the default value,
	  Buildroot will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_INET_IPV6
	bool "Toolchain has IPv6 support?"
	select BR2_INET_IPV6
	help
	  Select this option if your external toolchain supports
	  IPv6. If you don't know, leave the default value, Buildroot
	  will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_INET_RPC
	bool "Toolchain has RPC support?"
	select BR2_INET_RPC
	help
	  Select this option if your external toolchain supports
	  RPC. If you don't know, leave the default value, Buildroot
	  will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_WCHAR
	bool "Toolchain has WCHAR support?"
	select BR2_USE_WCHAR
	help
	  Select this option if your external toolchain supports
	  WCHAR. If you don't know, leave the default value, Buildroot
	  will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_LOCALE
	bool "Toolchain has locale support?"
	select BR2_TOOLCHAIN_EXTERNAL_WCHAR
	select BR2_ENABLE_LOCALE
	help
	  Select this option if your external toolchain has locale
	  support. If you don't know, leave the default value,
	  Buildroot will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
	bool "Toolchain has threads support?"
	select BR2_TOOLCHAIN_HAS_THREADS
	default y
	help
	  Select this option if your external toolchain has thread
	  support. If you don't know, leave the default value,
	  Buildroot will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG
	bool "Toolchain has threads debugging support?"
	depends on BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS
	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
	default y
	help
	  Select this option if your external toolchain has thread
	  debugging support. If you don't know, leave the default
	  value, Buildroot will tell you if it's correct or not.

endif # BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC

config BR2_TOOLCHAIN_EXTERNAL_CXX
	bool "Toolchain has C++ support?"
	select BR2_INSTALL_LIBSTDCPP
	help
	  Select this option if your external toolchain has C++
	  support. If you don't know, leave the default value,
	  Buildroot will tell you if it's correct or not.

config BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS
	string "Extra toolchain libraries to be copied to target"
	help
	  If your external toolchain provides extra libraries that
	  need to be copied to the target filesystem, enter them
	  here, separated by spaces. They will be copied to the
	  target's /lib directory.

endif # BR2_TOOLCHAIN_EXTERNAL_CUSTOM

endif # BR2_TOOLCHAIN_EXTERNAL