Arm-differences between cross-compiler versions

1. Eabi
Arm-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. (suitable for compiling applications on bare metal or RTOS environments, such as U-boot); 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 .) suitable
Used to compile linux kernels and applications without mmu 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. (suitable for compiling linux kernels and applications with MMU CPUs); 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...
Suitable for compiling Symbian applications; run-time libraries: armv5-little-Endian, soft-float; armv5-little-Endian, VFP.