Re: Question on Tru64 compiler options

[Paul Smith]

Anyone have any thoughts on this?

On Sun, 2009-08-02 at 15:56 -0400, Paul Smith wrote:
> Hi all; I have a bug filed with GNU make that says:
> 
>         Building GNU Make on Tru64 requires 
>         
>         CPPFLAGS = -D_XOPEN_SOURCE_EXTENDED -D_OSF_SOURCE 
>         
>         _XOPEN* is needed to get the prototype for bsd_signal(), and
>         _OSF* to typedef u_long and friends, which is used in some
>         system headers pulled in by getloadavg.c (and without said
>         typedefs, the build breaks when compiling that file). I've
>         confirmed that neither of these flags is made redundant by the
>         other. 
>         
>         Please make a note of this in the documentation, or add
>         appropriate logic to the configure script. I was able to
>         determine the need for these flags, but other users might not.
> 
> Of these options of course I'd prefer to do something in autoconf that
> would do this automatically.  Does anyone have any ideas on this, short
> of checking the host/os explicitly?
> 
> I already have an AC_CHECK_FUNCS() for bsd_signal but I guess this isn't
> good enough to get the prototype?
> 
> I'm not sure what the deal is with u_long; I certainly don't use it
> myself so I can only assume there's an error in the Tru64 headers that
> needs to be worked around somehow...?

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