Re: [AMBER] Compile Failure

From: Jason Swails <>
Date: Tue, 30 Jun 2015 23:20:21 -0400

On Tue, Jun 30, 2015 at 6:06 PM, Jim Wu <> wrote:

> Hi,
> I am trying to configure Amber with ./configure gnu and I run into the
> following error:
> Checking NetCDF...
> Using bundled NetCDF library.
> Starting NetCDF build.
> Configuring NetCDF C interface (may be time-consuming)...
> Compiling the NetCDF C interface (may be time-consuming)...
> Error: NetCDF C compile failed.
> It says to check the netcdf.c.compile.log and the bottom of the file shows
> the following:
> ncgentab.o: In function `ignore':
> ncgentab.c:(.text+0x3ff6): undefined reference to `yyunput'

‚ÄčThis is weird. yyunput is a flex symbol, which suggests to me that flex
is not being linked correctly, is broken, or perhaps the development
headers and libraries are not installed?

It's going to be hard to help if someone can't reproduce this error...
What OS are you running this on?

Jason M. Swails
Rutgers University
Postdoctoral Researcher
AMBER mailing list
Received on Tue Jun 30 2015 - 20:30:02 PDT
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