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20010724: missing __eprintf


> To: <address@hidden>
> From: =?ks_c_5601-1987?B?vLOw5sjx?= <address@hidden>
> Subject: question
> Organization: =?ks_c_5601-1987?B?seK788O7ILz2xKG/ubq4sPo=?=
> Keywords: 200107240829.f6O8TC100563 UDUNITS

The above message contained the following:

> I have run udunits library on Sun 5.6 system. 
> But I have had error message like this "
>        undefined                                      first referenced  
>          symbol                                               in file
>        --eprintf                                          
> /home3/NCEP/ncep/uduni
> ts-1-11/lib/libudunits.a(utlib.o)         

The symbol "__eprintf" is part of the GNU C runtime library. Apparently,
the GNU C compiler was used to build your UDUNITS library. The native
Fortran-90 compiler, f90, does not know about the GNU C runtime library.
You must tell your linker to search the GNU C runtime libary. For

    f90 ncep_hgt_1999.f -L/home3/NCEP/ncep/netcdf-3.4/lib \
    -L/home3/NCEP/ncep/udunits-1.11.7/lib -lnetcdf -ludunits \
    -I/home3/NCEP/ncep/udunits-1.11.7/include \
    -I/home3/NCEP/ncep/netcdf-3.4/include \
    -L/opt/gnu/lib/gcc-lib/sparc-sun-solaris2.6/2.95.2 -lgcc

Alternatively, you could rebuild the UDUNITS library using the native
development environment rather than the GNU development environment.

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