[netCDF #FWY-763930]: ld: cannot find -lnetcdf_c++

Greetings Tong,

If you need to link to the C++ libs to build your program, you will need to use 
both linking flags (-lnetcdf_c++ -lnetcdf).

Cheers,

Sean

> I found its root cause. Out IT did not compile/install it. Now it fixed.
> 
> Question about " you will need to add -lnetcdf after -lnetcdf_c++ to your 
> $(CSU)_LDLIBS flags in order to properly link to the netCDF library":
> Is this necessary or optional for us? Please advise
> 
> 
> 
> 
> 
> 
> Tong Wei
> GOES-R
> 240 206 7095
> 
> 
> -----Original Message-----
> From: Unidata netCDF Support [mailto:address@hidden]
> Sent: Tuesday, November 01, 2011 11:24 AM
> To: Wei, Tong
> Cc: address@hidden
> Subject: [netCDF #FWY-763930]: ld: cannot find -lnetcdf_c++
> 
> Ah, you will need to add the netCDF tools to your path:
> 
> export PATH=/apps/netcdf-4.0.1/bin:$PATH
> 
> Once you've added netCDF to the path, give nc-config another try.
> 
> Cheers,
> 
> Sean
> 
> > Sean,
> >
> > Thanks. The version of netcdf in our lab is: 4.0.1
> >
> > I run this (./nc-config ), it showed: -bash: ./nc-config: No such file or 
> > directory)
> >
> >
> >
> >
> >
> > Tong Wei
> > GOES-R
> > 240 206 7095
> >
> >
> > -----Original Message-----
> > From: Unidata netCDF Support [mailto:address@hidden]
> > Sent: Tuesday, November 01, 2011 8:11 AM
> > To: Wei, Tong
> > Cc: address@hidden
> > Subject: [netCDF #FWY-763930]: ld: cannot find -lnetcdf_c++
> >
> > Greetings Tong,
> >
> > > Hi , how are you?
> > >
> >
> > We are doing well here in Boulder - getting ready for the next round of 
> > snow! Woohoo!
> >
> > > My name is Tong Wei from Harris Corp.
> > >
> > > We are using netcdf-4.0.1 in our codes. when I was trying to compile this
> > > code, I got this error:
> > >
> > > ld: cannot find -lnetcdf_c++
> > > make: *** [lib/libLightningAlgorithm.so] Error 1
> > >
> > > Here is its make file:
> > >
> > > NETCDF_LOCATION := /apps/netcdf-4.0.1
> > > $(CSU)_CPPFLAGS += -I$(NETCDF_LOCATION)/include
> > > $(CSU)_LDFLAGS  += -L$(NETCDF_LOCATION)/lib 
> > > -Wl,-rpath=$(NETCDF_LOCATION)/lib
> > > $(CSU)_LDLIBS   += -lnetcdf_c++
> > >
> > > Then I checked /apps/netcdf-4.0.1, and could not find lnetcdf_c++.  Would
> > > you please give us some hints on this ?
> >
> > Ok, if you can't find libnetcdfcd _c++.so within the netcdf lib directory, 
> > then we have a few problems. In this situation, nc-config is your friend. 
> > First, let's make sure you are looking in the right place for netCDF:
> >
> > nc-config --prefix
> >
> > Now that we know where netCDF lives (or at least the one your account it 
> > able to see), let's see if it has c++ enabled:
> >
> > nc-config --has-c++
> >
> > Also, you will need to add -lnetcdf after -lnetcdf_c++ to your 
> > $(CSU)_LDLIBS flags in order to properly link to the netCDF library.
> >
> > Let me know what you find with nc-config :-)
> >
> > Cheers,
> >
> > Sean
> >
> >
> > >
> > > thanks.
> > >
> > > Tong Wei
> > > GOES-R
> > > 240 206 7095
> > >
> > >
> > >
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: FWY-763930
> > Department: Support netCDF
> > Priority: Normal
> > Status: Open
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: FWY-763930
> Department: Support netCDF
> Priority: Normal
> Status: Open
> 
> 


Ticket Details
===================
Ticket ID: FWY-763930
Department: Support netCDF
Priority: Normal
Status: Open