Re: xc16-gcc.exe uses stdout instead stderr with the gcc option "-v"
>but the version of GCC source base that we use prints to stdout, not stderr.
This may be the root cause. Do you have a version matrix between the xc-gcc versions and the original gcc versions they are based on ?
>Perhaps the OP was looking at online GCC docs for a later version of GCC.
By looking to the gcc documentation, the -v option to output to stderr is defined like this starting at least from 4.3.2 to 9.2.0 (latest) version of gcc.