https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60670
Eric Gallager <egall at gwmail dot gwu.edu> changed:
What |Removed |Added
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CC| |egall at gwmail dot gwu.edu
--- Comment #9 from Eric Gallager <egall at gwmail dot gwu.edu> ---
(In reply to r...@cebitec.uni-bielefeld.de from comment #2)
> > --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> > Or the header needs to include all variants with proper #ifdef-ery
>
> This is difficult for a header generated per multilib at build time.
>
GNU diff can can merge two C/C++ header files with the proper ifdef-ery: see:
http://www.gnu.org/software/diffutils/manual/html_mono/diff.html#If-then-else
and also:
http://www.gnu.org/software/diffutils/manual/html_mono/diff.html#Detailed%20If-then-else
This could be done as part of the generation of the header at build time.
