* Szabolcs Nagy <nsz@port70.net> [2016-04-14 15:42:13 +0200]:
> * Bobby Bingham <koorogi@koorogi.info> [2016-04-14 03:01:38 -0500]:
> > 
> > How important is it to match glibc here?
> > 
> 
> i think we don't care about abi compat
> (but it might be interesting to check how much abi
> difference there is between glibc and musl, i can
> do this if i can build a musl+glibc toolchain)
> 

attached some c++ abi comparisions

(the comparision was not entirely clean, it involved
various manual hacks, but most types and functions
should be compared correctly glibc vs musl)

two interesting gcc warnings:

powerpc64 elf_vrreg_t (both musl and glibc):
note: the ABI of passing aggregates with 16-byte alignment has changed in GCC 5

x86_64 struct inotify_event (musl only):
note: the ABI of passing struct with a flexible array member has changed in GCC 4.4