Am Sonntag 01 März 2015, 13:05:52 schrieb Alan Coopersmith:
> On 03/ 1/15 10:57 AM, Emil Velikov wrote:
> > On 01/03/15 18:30, Matt Turner wrote:
> >> On Sun, Mar 1, 2015 at 6:09 AM, Marc Dietrich <marvi...@gmx.de> wrote:
> >>> This patch simplifies the visibility compiler flag detection in
> >>> configure and makes it more generic to also support compilers other
> >>> than gcc.
> >>
> >> This simplification relies on the assumption that compilers support
> >> -fvisibility=... if and only if they support
> >> attribute(visibility("...")).
> >
> > Hmm you're correct. I've naively assumed they both go hand in hand.
>
> The latest Solaris Studio compilers support attribute(visibility), but
> not -fvisibility. The absolute latest (12.4, released a few months back)
> also support the clang has_attribute() extension for checking what's
> supported (which is one of the reasons it's used in the X11/Xfuncproto.h
> header in xproto 7.0.27 & later).
>
> https://docs.oracle.com/cd/E37069_01/html/E37074/gjzke.html
> https://docs.oracle.com/cd/E37069_01/html/E37074/gopqx.html
> http://cgit.freedesktop.org/xorg/proto/x11proto/commit/?id=ffd4a13042d24cb5c
> 913207585191801a9a1603ethanks for this information, Alan. Now for me it looks like that the original code was probably not so bad as it checks for -fvisibility directly. Marc
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