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Re: unresolved: _Esignal

Xiangdong,

>Date: Tue, 9 Dec 1997 08:38:54 -0800 (PST) 
>From: Xiangdong Zhang <address@hidden>
>Organization: . 
>To: address@hidden (Steve Emmerson)
>Subject: Re: unresolved: ncopn, ncinq, ncdinq, etc. 
>Keywords: 199712090440.VAA16838

In the above message, you wrote:

> hi, Steve,
> 
> thank you for your message. i have tried again. but it failed. maybe it is
> caused by that there is no fortran on my own computer. i use fortran via
> network on other computer. when i "make test", the following messages 
> appeared:
> 
> ========
> Making `test' in directory /disk1d/xdz/netCDF/netcdf-3.3.1/src/fortran
> 
> ar cru   ../libsrc/libnetcdf.a fort-attio.o      fort-control.o  fort-dim.o
> fort-genatt.o    fort-geninq.o   fort-genvar.o   fort-lib.o      fort-misc.o
> fort-v2compat.o  fort-vario.o    fort-var1io.o   fort-varaio.o   fort-varmio.o
> fort-varsio.o
> ranlib ../libsrc/libnetcdf.a
> f77 -o ftest -O  ftest.o ../libsrc/libnetcdf.a
> f77 does not exist on this machine, trying machine romeo
> ./ftest
> *** Testing nccre ...
> *** Testing ncddef ...
> *** Testing ncvdef ...
> *** Testing ncapt, ncaptc ...
> *** Testing ncclos ...
> *** Testing ncvpt1 ...
> *** Testing ncvgt1 ...
> *** Testing ncvpt ...
> *** Testing ncopn, ncinq, ncdinq, ncvinq, ncanam, ncainq ...
> *** Testing ncvgt, ncvgtc ...
> *** Testing ncagt, ncagtc ...
> *** Testing ncredf, ncdren, ncvren, ncaren, ncendf ...
> *** Testing ncacpy ...
> *** Testing ncadel ...
> *** Testing fill values ...

The above indicates that the Version 2, Fortran API works correctly.

> 
> Returning to directory /disk1d/xdz/netCDF/netcdf-3.3.1/src
> 
> 
> Making `test' in directory /disk1d/xdz/netCDF/netcdf-3.3.1/src/nf_test
> 
> f77 -o nf_test -O  test_get.o    test_put.o      nf_error.o      nf_test.o
> test_read.o      test_write.o    util.o  fortlib.o ../libsrc/libnetcdf.a  -lm
> f77 does not exist on this machine, trying machine romeo
> ld:
> Unresolved:
> _Esignal
> fort: Severe: Failed while trying to link.
> ./nf_test -c
> ./nf_test: Permission denied
> *** Exit 1
> Stop.
> *** Exit 1
> Stop.
> *** Exit 1
> Stop.
> ==========

The above indicates that the Version 3, Fortran API couldn't be tested
because of the unresolved external reference "_Esignal".  On my OSF1
4.0/Alpha system, that function is in the library /lib/libc.a (the C
runtime library).  Possibly, your f77(1) compiler/linker isn't
referencing that library.

Try the following:

    1.  Go into the nf_test/ subdirectory.

    2.  Execute the following command:

            f77 -o nf_test -O test_get.o test_put.o \
                nf_error.o nf_test.o test_read.o \
                test_write.o util.o \
                fortlib.o ../libsrc/libnetcdf.a  -lm -lc

        Does it work or is "_Esignal" still unresolved?

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