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Re: 20040308:Building Decoders-3.0.2 on cygwin



Richard,

Thanks for the complete report, made it much easier to find the problem.
It seems that your netcdf library has a problem because that's where the
ncopts variable is defined. You can look at the variables in the
library using a utility such as nm or ar.

% nm libnetcdf.a | m

...
...
[23]    |       356|      72|FUNC |GLOB |0    |2      |ncopen
[10]    |         4|       4|OBJT |GLOB |0    |3      |ncopts

Also in the log it stated other variables were missing from the
libnetcdf.a   A common way to debug these types of problems is to compile
with the -E option and redirect into a .I file. ie

% cc -E -g -I/upc/netcdf/include -I/upc/udunits/include nc.c > nc.I

 extern  int ncopts;

I know the above message is terse, but it gave me a clue to look at the
libraries.  Hope this helps.

Robb...




On Mon, 8 Mar 2004, Unidata Support wrote:

>
> ------- Forwarded Message
>
> >To: address@hidden
> >From: Richard Signell <address@hidden>
> >Subject: Building Decoders-3.0.2 on cygwin
> >Organization: SACLANTCEN
> >Keywords: 200403081616.i28GGkrV010318
>
> This is a multi-part message in MIME format.
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> --------------DD7F721B61B3F1D08147368D
> Content-Type: text/plain; charset=us-ascii;
>  name="CUSTOMIZE"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
>  filename="CUSTOMIZE"
>
> # This file is for customizing the configuation process performed by
> # `./configuration'.  This file consists of sh(1) variable-definition lines.
> # The value given to those variable by this file will override their default
> # values.
> #
> # You can also customize the configuration process via the environment
> # variables seen by ./configure.  For example:
> #
> #     In csh(1):
> #       % setenv CC acc
> #       & setenv CFLAGS -g
> #       % ./configure
> #
> #     In sh(1):
> #       $ CC=acc CFLAGS=-g ./configure
> #
> # Variables in this file override the environmental ones.
> #
> #############################################################################
> #
> # netCDF header file and library references:
> # CPP_NETCDF=/usr/local/netcdf/include
> # LD_NETCDF='-L/usr/local/netcdf/lib -lnetcdf'
> #
> # udunits header file and library references:
> # CPP_UDUNITS=-I/usr/local/udunits/include
> # LD_UDUNITS='-L/usr/local/udunits/lib -ludunits'
> #
> # On Linux and BSD systems:
> #
> # Type of C compiler:
> # CC=/usr/bin/gcc
> #
> # Installation prefix:
> # prefix=/usr/local/unidata
> #
> # Here's a url with additional compiling information:
> # 
> http://www.unidata.ucar.edu/projects/coohl/mhonarc/MailArchives/decoders/msg00599.html
>
> CPP_NETCDF='-I/usr/local/include'
> LD_NETCDF='-L/usr/local/lib -lnetcdf'
> CPP_UDUNITS='-I/usr/local/include'
> LD_UDUNITS='-L/usr/local/lib -ludunits -ludport'
>
> --------------DD7F721B61B3F1D08147368D
> Content-Type: text/plain; charset=us-ascii;
>  name="gcc.version"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
>  filename="gcc.version"
>
> Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/specs
> Configured with: /GCC/gcc-3.3.1-3/configure --with-gcc --with-gnu-ld 
> --with-gnu-as --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc 
> --libdir=/usr/lib --libexecdir=/usr/sbin --mandir=/usr/share/man 
> --infodir=/usr/share/info --enable-languages=c,ada,c++,f77,pascal,java,objc 
> --enable-libgcj --enable-threads=posix --with-system-zlib --enable-nls 
> --without-included-gettext --enable-interpreter --enable-sjlj-exceptions 
> --disable-version-specific-runtime-libs --enable-shared 
> --disable-win32-registry --enable-java-gc=boehm 
> --disable-hash-synchronization --verbose --target=i686-pc-cygwin 
> --host=i686-pc-cygwin --build=i686-pc-cygwin
> Thread model: posix
> gcc version 3.3.1 (cygming special)
>
> --------------DD7F721B61B3F1D08147368D
> Content-Type: text/plain; charset=us-ascii;
>  name="configure.log"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
>  filename="configure.log"
>
> creating cache ./config.cache
> checking for catman... no
> checking for makewhatis... no
> checking for /usr/lib/makewhatis... no
> checking for manual-page index command...
> checking the installation prefix... /usr/local/src/decoders-3.0.2
> checking the installation exec-prefix... /usr/local/src/decoders-3.0.2
> checking for c89... no
> checking for cc... cc
> checking how to run the C preprocessor... cc -E
> checking the C preprocessor... works
> checking for ranlib... ranlib
> checking type of operating system... cygwin_nt-5.1
> checking for dependency generation mechanism... cc -M
> checking for tbl... tbl
> checking for neqn... neqn
> checking for tar flags... -chof
> checking for package version... 3.0
> checking for netCDF header-file... -I/usr/local/include
> checking for netCDF library... -L/usr/local/lib -lnetcdf
> checking for udunits header-file... -I/usr/local/include
> checking for udunits library... -L/usr/local/lib -ludunits -ludport -ludport
> checking for BSD sockets library...
> checking for socket(0,0,0) in default library(s)... yes
> checking for RPC library...
> checking for clnttcp_create() in default library(s)... no
> checking for clnttcp_create() in -lsun... checking for clnttcp_create() in 
> -lnsl... checking for clnttcp_create() in -lrpc... yes
> checking for BSD sockets library...
> checking ulog defines...
> updating cache ./config.cache
> creating ./config.status
> creating Makefile
> creating gribtonc/Makefile
> creating gribtonc/cdl/Makefile
> creating ascii/Makefile
> creating metar/Makefile
> creating syn/Makefile
> creating buoy/Makefile
> creating upperair/Makefile
> creating ldmConnect/Makefile
> creating port/master.mk
> creating port/Makefile
> expanding `include's in file `Makefile'
> expanding `include's in file `gribtonc/Makefile'
> expanding `include's in file `gribtonc/cdl/Makefile'
> expanding `include's in file `ascii/Makefile'
> expanding `include's in file `metar/Makefile'
> expanding `include's in file `syn/Makefile'
> expanding `include's in file `buoy/Makefile'
> expanding `include's in file `upperair/Makefile'
> expanding `include's in file `ldmConnect/Makefile'
> expanding `include's in file `port/master.mk'
> expanding `include's in file `port/Makefile'
> rm: cannot unlink `conftest': No such file or directory
>
> --------------DD7F721B61B3F1D08147368D
> Content-Type: text/plain; charset=us-ascii;
>  name="make.log"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
>  filename="make.log"
>
>
> making `all' in directory /usr/local/src/decoders-3.0.2/src/gribtonc
>
> make[1]: Entering directory `/usr/local/src/decoders-3.0.2/src/gribtonc'
> cc -c -g -I/usr/local/include -I/usr/local/include  emalloc.c
> cc -c -g -I/usr/local/include -I/usr/local/include  gbds.c
> cc -c -g -I/usr/local/include -I/usr/local/include  gbytem.c
> cc -c -g -I/usr/local/include -I/usr/local/include  gdes.c
> cc -c -g -I/usr/local/include -I/usr/local/include  get_prod.c
> cc -c -g -I/usr/local/include -I/usr/local/include  grib1.c
> cc -c -g -I/usr/local/include -I/usr/local/include  gribtypes.c
> cc -c -g -I/usr/local/include -I/usr/local/include  inetutil.c
> inetutil.c: In function `hostbyaddr':
> inetutil.c:160: warning: assignment discards qualifiers from pointer target 
> type
> inetutil.c: In function `hostent_new':
> inetutil.c:423: warning: passing arg 1 of `strcpy' discards qualifiers from 
> pointer target type
> cc -c -g -I/usr/local/include -I/usr/local/include  levels.c
> cc -c -g -I/usr/local/include -I/usr/local/include  params.c
> cc -c -g -I/usr/local/include -I/usr/local/include  product_data.c
> cc -c -g -I/usr/local/include -I/usr/local/include  quasi.c
> cc -c -g -I/usr/local/include -I/usr/local/include  timeunits.c
> cc -c -g -I/usr/local/include -I/usr/local/include  user_param.c
> cc -c -g  -I/usr/local/include -I/usr/local/include  ulog.c
> cc -c -g -I/usr/local/include -I/usr/local/include  centers.c
> cc -c -g -I/usr/local/include -I/usr/local/include  gribdump.c
> cc -c -g -I/usr/local/include -I/usr/local/include  models.c
> cc -g emalloc.o gbds.o gbytem.o gdes.o get_prod.o grib1.o gribtypes.o 
> inetutil.o levels.o params.o product_data.o quasi.o timeunits.o user_param.o 
> ulog.o centers.o gribdump.o models.o -lrpc -lm  -o gribdump
> Info: resolving _h_errno by linking to __imp__h_errno (auto-import)
> Info: resolving _opterr by linking to __imp__opterr (auto-import)
> Info: resolving _optarg by linking to __imp__optarg (auto-import)
> Info: resolving _optind by linking to __imp__optind (auto-import)
> cc -c -g -I/usr/local/include -I/usr/local/include  gribtonc.c
> cc -c -g -I/usr/local/include -I/usr/local/include  mkdirs_open.c
> cc -c -g -I/usr/local/include -I/usr/local/include  nc.c
> cc -c -g -I/usr/local/include -I/usr/local/include  ncfloat.c
> cc -c -g -I/usr/local/include -I/usr/local/include  nuwg.c
> cc -c -g -I/usr/local/include -I/usr/local/include  recs.c
> cc -c -g -I/usr/local/include -I/usr/local/include  units.c
> cc -g emalloc.o gbds.o gbytem.o gdes.o get_prod.o grib1.o gribtypes.o 
> inetutil.o levels.o params.o product_data.o quasi.o timeunits.o user_param.o 
> ulog.o gribtonc.o mkdirs_open.o nc.o ncfloat.o nuwg.o recs.o units.o \
>       -L/usr/local/lib -lnetcdf -lrpc -L/usr/local/lib -ludunits -ludport 
> -ludport -lm  -o gribtonc
> nc.o(.text+0x655): In function `cdl_netcdf':
> /usr/local/src/decoders-3.0.2/src/gribtonc/nc.c:280: undefined reference to 
> `_ncopts'
> nc.o(.text+0x1b97): In function `parmname':
> /usr/local/src/decoders-3.0.2/src/gribtonc/nc.c:783: undefined reference to 
> `_ncopts'
> nc.o(.text+0x1c89):/usr/local/src/decoders-3.0.2/src/gribtonc/nc.c:810: 
> undefined reference to `_ncopts'
> nc.o(.text+0x1cd1):/usr/local/src/decoders-3.0.2/src/gribtonc/nc.c:816: 
> undefined reference to `_ncopts'
> ncfloat.o(.text+0x11e8): In function `float_nc':
> /usr/local/src/decoders-3.0.2/src/gribtonc/ncfloat.c:370: undefined reference 
> to `_ncerr'
> Info: resolving _h_errno by linking to __imp__h_errno (auto-import)
> Info: resolving _opterr by linking to __imp__opterr (auto-import)
> Info: resolving _optarg by linking to __imp__optarg (auto-import)
> Info: resolving _optind by linking to __imp__optind (auto-import)
> collect2: ld returned 1 exit status
> make[1]: *** [gribtonc] Error 1
> make[1]: Leaving directory `/usr/local/src/decoders-3.0.2/src/gribtonc'
> make: *** [gribtonc/all] Error 1
>
> --------------DD7F721B61B3F1D08147368D--
>
>
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===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================