Re: wrappers and gcc -isystem

[Richard PALO <richard%netbsd.org@localhost>]

Le 17/02/16 12:15, Jonathan Perkin a écrit :
> I'm in full agreement here.  -isystem is the reason why qt5-qtbase is
> currently broken on SunOS:
>
>    http://us-east.manta.joyent.com/pkgsrc/public/reports/upstream-trunk32/20160216.2232/qt5-qtbase-5.5.1nb2/build.log
>
> The issue is that the OS stddef.h is being picked up before GCC's due
> to "-isystem /usr/include" overriding the default include order, so
> ::max_align_t is never defined.
>
> It's not just an issue on SunOS, the same problem is causing nodejs to
> currently fail on Darwin/gcc when using GCC 4.9 too.
>
> +1 on removing -isystem completely.

+1

'-isystem' is for cases of system headers special treatment sometimes 
needed in kernel modules, but not general purpose software.
replace it with '-I' if it can't simply be dropped.