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How does Keil compare to GCC for ARM7 development? I'm in the process of choosing hw consultants for a medium size project and some use keil and some use gcc. I'd like to know the gotchas involved in going with either option...
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Arm Keil MDK can be used with the GNU Compiler Collection (GCC). GCC is an open-source development effort with numerous contributors; it is widely available and supports many devices.
The GNU Arm Embedded Toolchain includes the GNU Compiler (GCC) and is available free of charge directly from Arm for embedded software development on Windows, Linux, and Mac OS X operating systems. Follow the links on this page to download the right version for your development environment.
Arm Keil MDK is the most comprehensive software development solution for Arm-based microcontrollers and includes all components that you need to create, build, and debug embedded applications.
Arm Compiler 6 is the compilation toolchain for the Arm architecture, available in all editions of MDK. It brings together the modern LLVM compiler infrastructure and the highly optimized Arm C libraries to produce performance and power optimized embedded software for the Arm architecture.
There is very little difference between the two from a coding/development standpoint. The only thing I think you should consider is not specific to these compiler. Maintenance:
Unless you are very cost sensitive I think the real question is who will do the best job since the compiler will be a minor problem.
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