Rohan Hart wrote:

> Ken Cecka <cec### [at] alumniwashingtonedu> writes:
>
> > That's pretty wierd!  Not really familiar with IRIX, but I though it was
> > standard for signal handlers to be called with an integer parameter - maybe
> > they just have their protypes mixed up.  You could try explicit casting to
> > make the compiler happy:
> >
> >   signal(SIGTERM, ((void (*)()) UNIX_Abort_Handler);
> >
> > ...although no promises on whether the signal handling will behave as
> > expected.
> >
> > Ken
>
> From the IRIX signal(2) manpage
>
>      C:
>        void (*signal (int sig, void (*func)()))();
>      C++:
>        void (*signal (int sig, void (*func)(int)))(int);
>
>      #if _XOPEN_SOURCE
>        void (*signal (int sig, void (*func)(int)))(int);
>      #endif
>
> So it looks like an additional test in the configure script and
> setting _XOPEN_SOURCE should get the right proto.  Not that I've
> tested this nor checked with other things _XOPEN_SOURCE affects.
>
> Alternatively...
>
>      #define _BSD_SIGNALS or _BSD_COMPAT before including <signal.h>
> and you get the slightly different and non-SYSV-compatible BSD proto:
>      int (*signal(int sig, int (*func)(int, ...)))(int, ...);
>
> Rohan

Tried -D_XOPEN_SOURCE and then got the following error:

g++ -D_XOPEN_SOURCE -DPREFIX=\"/home/didonato/bin/povray35\"
-DPOV_LIB_DIR=\"/home/didonato/bin/povray35/share/povray-3.5\"
-DCOMPILER_VER=\".Linux.gcc\" -DSYSCONFDIR=\"/home/didonato/bin/povray35/etc\"
-I/usr/freeware/include  `if [ "Xgcc" = "Xgcc" ]; then echo "-Wno-multichar"; fi
` -c unix.cpp
unix.cpp:297: aggregate `timeval hstart' has incomplete type and cannot be
   initialized
unix.cpp:297: aggregate `timeval hstop' has incomplete type and cannot be
   initialized
unix.cpp: In function `void UNIX_Timer_Start()':
unix.cpp:500: `gettimeofday' undeclared (first use this function)
unix.cpp:500: (Each undeclared identifier is reported only once for each
   function it appears in.)
unix.cpp: At global scope:
unix.cpp:297: storage size of `hstart' isn't known
unix.cpp:297: storage size of `hstop' isn't known
gmake[1]: *** [unix.o] Error 1
gmake[1]: Leaving directory `/home/didonato/temp/povray-3.50a/src'
gmake: *** [all-recursive] Error 1

Mike



--
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Michael DiDonato, PhD
The Scripps Research Institute
Department of Molecular Biology
Maildrop MB4
10550 North Torrey Pines Road
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Tel: (858) 784-9261
FAX: (858) 784-2277

http://www.scripps.edu/~didonato
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