On 08/23/2017 05:17 AM, Sergio Durigan Junior wrote: > The GCC patch improves the libcc1::compiler_triplet_regexp::find and > libcp1::compiler_triplet_regexp::find methods by first trying to match > the triplet in the compiler name and correctly discarding the triplet > part of the regexp if the matching succeeds. I've had to do a few > modifications on the way the regexp's are built, but I'll explain them > in the patch itself. > > The GDB patch is very simple: it adds the trailing "-" in the triplet > regexp. Therefore, we will have a regexp that truly matches the full > triplet (e.g., "^(x86_64|i.86)(-[^-]*)?-linux(-gnu)?-") instead of one > that leaves the trailing "-" match to libcc1. > > I've tested this patch both on my Fedora and my Debian machines, and > both now work as expected, independently of the presence of the triplet > string in the compiler name. I am sorry about the cross-post, but these > patches are really dependent on one another.
Is there a backward/forward compatibility impact? Does new GDB work with old GCC? Does old GDB work with new GCC? Thanks, Pedro Alves