How to make configure script look for gnutls3?

[Nikos Mavrogiannopoulos]

On Sat, 2014-03-29 at 21:24 -0400, Tony Zhou wrote:
> Hi,
> 
> I am trying to compile ocserv 0.3.2 under FreeBSD 10, and FreeBSD 10 
> offers binary package named gnutls3 to provide libraries for gnutls 
> 3.12.  However, the configure script of ocserv keeps looking for 
> gnutls.pc for pkg-config tool, but in FreeBSD it is located at 
> /usr/local/libdata/pkg-config/gnutls3.pc instead of gnutls.pc, thus the 
> script fails. What part of configure script should I change to make it 
> look for gnutls3.pc?

In ./configure --help there are some environmental variables lists, that
can be used to override the default paths (PKG_CONFIG_PATH,
PKG_CONFIG_LIBDIR), or even allow you to set the necessary cflags and
libs manually (LIBGNUTLS_CFLAGS, LIBGNUTLS_LIBS).

regards,
Nikos