Physics Hacker

Ok, this i maybe a bit special, but maybe it helps someone out there. I am on the way to build GTK+ on OSX using “jhbuild”, following a good instruction:

http://live.gnome.org/GTK%2B/OSX/BuildInstructions

Coming to the point where to build glib, the process exits with following error message:

gconvert.c:55:2: error: #error GNU libiconv not in use but included iconv.h is from libiconv

First the library is on the system; we can find it easily with

$ locate libiconv

Trying to link the system library to the one found provided by xcode failed into strange error messages. So i decided to re-build the libiconv by hand as “root” from source:

$ cd /usr/local/src/

Getting from http://www.gnu.org/software/libiconv/ the latest version (currently 1.13.1) with

$ wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.13.1.tar.gz

$ tar zxvf libiconv-1.13.1.tar.gz

Now the configuring, make and install phase:

$ ./configure

$ make

$ make install

This builds the latest version of libiconv for me. Final step was to replace the current version in

/usr/lib

and to go on with the GTK+ process.

A very usefull tool for working with source code within LHCb is

   Lbglimpse

As a remark for people moving from BaBar to LHCb, this is the tool for cmt most closely bringing the ‘srtglimps’ features. The ‘Lbglimpse’ can be found in $LHCBRELEASES/scripts. It is used as following

   Lbglimpse <string> [<project>] [<version>] [-v]

and you can run this LHCb glimpse on every paths of $CMTPATH to find all files containing <string>
if CMTPATH is not set but CMTPROJECTPATH is set then it will use <project> and <version> to built CMTPATH locally. As an example we could look for the string ‘nies’ in the Moore Trigger project to find all places where the author ‘nies’ is mentioned or what ever:

   Lbglimpse nies Moore v6r0

Have fun hacking the LHCb software stack.