What is the compiler otpion for 64 bit

Hi,What all the compiler option need to be set for 64bit porting?I am using Solaris5.8 with SunStudio 8( C++5.5) compilerIs it required to installed 64 os and library or need to only change the compiler flag?-Riaj
[248 byte] By [koresha@123] at [2007-11-26 9:01:14]
# 1
See my answer here: http://forum.sun.com/jive/thread.jspa?messageID=350672Please do not post the same question more than once.
clamage45 at 2007-7-6 23:07:14 > top of Java-index,Development Tools,Solaris and Linux Development Tools...