Avoid exporting of symbols

Avoid exporting of symbols

References

Reference NO 1

http://stackoverflow.com/questions/2375209/avoiding-exporting-symbols-from-executables-on-linux

Reference NO 2

https://www.flameeyes.eu/autotools-mythbuster/libtool/symbols.html

Reference NO 3

http://lists.gnu.org/archive/html/libtool/2013-03/msg00004.html

Reference NO 4

http://perldoc.perl.org/Exporter.html

Reference NO 5

http://comments.gmane.org/gmane.comp.gnu.libtool.general/11951

Reference NO 6

http://www.delorie.com/gnu/docs/binutils/binutils_15.html

Reference NO 7

http://accu.org/index.php/journals/1372

Reference NO 8

http://msdn.microsoft.com/en-us/library/7k30y2k5.aspx