On Thu, 21 Jun 2012, Sanzad Siddique wrote:
 I want to start using the libgretl library using Xcode. I have the
GRETL
 application installed and running on my mac. I could not find the gretl
 "include" directory anywhere in GRETL directory tree, I cannot figure out
 from where I should  start, what else I need to download and install? 
You need to build and install the gretl library, which also 
installs the libgretl headers. Get the sources from
http://sourceforge.net/projects/gretl/files/gretl/1.9.9/
or from CVS
http://sourceforge.net/scm/?type=cvs&group_id=36234
Allin Cottrell