On 3 April 2011 06:55, H.S.Rai wrote: > There are certain good old packages, which I want to use now (like > http://felt.sourceforge.net/ ). When I compile, it throws many errors. > > Is there any option / switch which I can use with latest compiler to > request compiler to understand old code, as I believe installing old > compiler may not be possible on current Linux distribution. The -fpermissive option allows some non-conforming code to be accepted, but it won't solve all such problems. It certainly is possible to install old versions of the compiler, but you may need to build them from source.