Looking for reference for rebuilding the LEON3 BSP

[Coleman, Dennis E]

I'm developing for the LEON3FT using RTEMS 4.10.1.

I need to rebuild the LEON3 BSP with new compiler switches including the -ffunction-sections -fdata-sections for GNU Garbage Collection.
I'm looking for a "how to" reference that would walk me through which files to update in the RTEMS directory structure and how to clean and rebuild
all of the .a files under \sparc-rtems\leon3\lib.

Thanks in advance for your help

Dennis

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