Using GNU GCC in Keil uVision - why?

This has been a frequent question recently, and the frequently-given answer is: GNU support in uVision is now available via CodeSourcery. See: http://www.keil.com/appnotes/docs/apnt_199.asp ...
Using GNU GCC in Keil uVision - why?

This has been a frequent question recently, and the frequently-given answer is: GNU support in uVision is now available via CodeSourcery. See: http://www.keil.com/appnotes/docs/apnt_199.asp ...
Keil uvision-4 source file not found with gnu-arm-gcc

When I try compile my software, I have the following error : arm-none-eabi-gcc: error: ..srckernelmutex.c: No such file or directory There is no backslash in the path, normally is ..\src\kernel...
Keil uvision-4 source file not found with gnu-arm-gcc

When I try compile my software, I have the following error : arm-none-eabi-gcc: error: ..srckernelmutex.c: No such file or directory There is no backslash in the path, normally is ..\src\kernel...
GNU GCC v4.1

I have succesfully compiled with cygnus (GCC v3.2) When cygnus path is changed to: C:\winarm and change the GNU Tool prefix to "arm-elf-" Then build I get error: --- Error: can't execute 'arm...