ARM-交叉编译器各版本的区别

1、EABIarm-2008q3-39-arm-none-eabi
Sourcery G++ Lite 2008q3-39 All versions...
Sourcery G++ for ARM EABI is for use in bare-metal and/or RTOS environments.（适用于编译裸机或RTOS环境上的应用，比如u-boot等）；Run-Time Libraries：ARMv4 - Little-Endian, Soft-Float；ARMv4 Thumb -Little- Endian, Soft-Float；ARMv6-M Thumb - Little-Endian, Soft-Float；ARMv7 Thumb-2 - Little-Endian, Soft-Float。
2、uClinux arm-2008q3-42-arm-uclinuxeabi
Sourcery G++ Lite 2008q3-42 All versions...
Sourcery G++ for ARM uClinux is for systems running the Linux kernel without using a memory-management unit (MMU). You can use Sourcery G++ to build both the uClinux kernel and uClinux applications. ）适用于编译linux内核和应用程序，不带MMU的CPU）；Run-Time Libraries：ARMv4T - Little-Endian, Soft-Float；ARMv6-M Thumb - Little-Endian, Soft-Float；ARMv7 Thumb-2 - Little-Endian, Soft-Float。
3、GNU/Linux arm-2008q3-41-arm-none-linux-gnueabi
Sourcery G++ Lite 2008q3-41 All versions...
Sourcery G++ for ARM GNU/Linux is for use in developing for systems which run the Linux kernel. You can use Sourcery G++ to build both the Linux kernel and Linux applications.（适用于编译linux内核和应用程序，带MMU的CPU）；Run-Time Libraries：ARMv4T - Little-Endian, Soft-Float, GLIBC；ARMv5T - Little-Endian, Soft-Float, GLIBC；ARMv7-A Thumb-2 - Little-Endian, Soft-Float, GLIBC。
4、SymbianOS arm-2008q3-40-arm-none-symbianelf
Sourcery G++ Lite 2008q3-40 All versions...
适用于编译Symbian应用程序；Run-Time Libraries：ARMv5 - Little-Endian, Soft-Float；ARMv5 - Little-Endian, VFP。