showing this error while trying to compile my program.
error: #error The current setting for native-objc-exceptions does not match that of gnustep-base ... please correct this.
It's a good idea to install GNUstep from trunk rather using distributor's packages and also ditch gcc for clang.
Some useful build script. It even fetch things from svn for you. http://svn.gna.org/svn/etoile/trunk/Etoile/BuildScripts/