20020416: PERL NetCDF problem: compiling NetCDF.c on HP-UX 10 system

Mark,

>Date: Tue, 16 Apr 2002 21:03:46 +0100
>From: Mark Mitchell <address@hidden>
>Organization: UCAR/Unidata
>To: Steve Emmerson <address@hidden>
>Subject: Re: 20020416: PERL NetCDF problem: compiling NetCDF.c on HP-UX 10 
>system
>Keywords: 200204162104.g3GL4Da29271

The above message contained the following:

> The files resulting from the "make" command in the perl/ subdirectory 
> are attached.
> Thanks,
> Mark

>  filename="make.log"
> mkdir blib
> mkdir blib/lib
> mkdir blib/arch
> mkdir blib/arch/auto
> mkdir blib/arch/auto/NetCDF
> mkdir blib/lib/auto
> mkdir blib/lib/auto/NetCDF
> cp NetCDF.pm blib/lib/NetCDF.pm
> AutoSplitting blib/lib/NetCDF.pm (blib/lib/auto/NetCDF)
>       /usr/contrib/bin/perl -I/usr/local/perl5.6/lib/5.6.0/PA-RISC1.1 
> -I/usr/local/perl5.6/lib/5.6.0 /usr/local/perl5.6/lib/5.6.0/ExtUtils/xsubpp  
> -typemap /usr/local/perl5.6/lib/5.6.0/ExtUtils/typemap NetCDF.xs > NetCDF.xsc 
> && mv NetCDF.xsc NetCDF.c
>       gcc -c -I/usr/local/netcdf/include -D_HPUX_SOURCE -L/lib/pa1.1 
> -DUINT32_MAX_BROKEN -fno-strict-aliasing -I/usr/local/include -DPERL_POLLUTE  
> -O2      -DVERSION=\"

\"  -DXS_VERSION=\"

\" -fpic 
> -I/usr/local/perl5.6/lib/5.6.0/PA-RISC1.1/CORE  NetCDF.c
> *** Error exit code 1

>  filename="error.log"
> Please specify prototyping behavior for NetCDF.xs (see perlxs manual)
> cc1: Invalid option `-fno-strict-aliasing'

> Stop.

It appears from the above that the gcc compiler doesn't like the
"-fno-strict-aliasing" option.  I can't find that option in our gcc
manual page.  We need to determine where it came from.  Use the
following command

    $ perl -V

to see if your perl utility was compiled using that option.

Regards,
Steve Emmerson   <http://www.unidata.ucar.edu>