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[netCDF #KYR-516688]: configure NetCDF: errors thrown by gcc

Hi Giordano.

Error messages in config.log are expected, as the configure script
tries various ways to determine the development environment and
generate Makefiles to adapt to a wide variety of compilers, libraries,
and operating systems.  For example, it tries several ways to 
determine a compiler version, one or more of which usually work.

Not finding curl.h means the curl library is not installed where the 
configure script can find it, which means netCDF remote client access 
with OPeNDAP protocols won't be included in the resulting library,
just as if "--disable-dap" had been specified as a configure flag.

If you want your netCDF library to be able to access netCDF data from
remote servers such as THREDDS, GrADS, or Hyrax, you will need to 
first install a curl library.  If it's already installed somewhere the
configure script doesn't look, you'll need to tell configure where to
look.  For example, if it was installed under /opt/local/, you would
need something like:

  CPPFLAGS=/opt/local/include LDFLAGS=/opt/local/lib ./configure ...


> Firstly, in the process of configuring NetCDF 4.3.2 I noticed that some
> parameters passed to gcc are faulty, hence errors are thrown.
> 117 configure:4326: gcc --version >&5  # this is fine
> 118 gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
> ...
> 124 configure:4326: gcc -v >&5 # this is fine
> 125 Using built-in specs.
> ...
> 133 configure:4326: gcc -V >&5 # this is NOT fine
> 134 gcc: error: unrecognized option '-V'
> 135 gcc: fatal error: no input files
> 136 compilation terminated.
> ...
> 139 configure:4326: gcc -qversion >&5 # this is NOT fine
> 140 gcc: error: unrecognized option '-qversion'
> 141 gcc: fatal error: no input files
> 142 compilation terminated.
> Secondly, there's a gcc fatal error as curl/curl.h is not found.
> 295 configure:6292: gcc -c   conftest.c >&5
> 296 conftest.c:20:23: fatal error: curl/curl.h: No such file or directory
> I have attached a copy of config.log for completeness of account.
> The question is what kind of consequences down the line can I expect
> from these errors and which fixes/workarounds are available. The make
> check is, incidentally, successful all over.
> Thanks a lot for dealing with this.
> Giordano

Russ Rew                                         UCAR Unidata Program
address@hidden                      http://www.unidata.ucar.edu

Ticket Details
Ticket ID: KYR-516688
Department: Support netCDF
Priority: Normal
Status: Closed

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