Hi

I got xcode 4.3.2 and put it in applications and am running OS X 10.7.3. I installed g77 and gfortran from sourceforge.net. But when I am compiling a simple test program I get the following error with gfortran.

gfortran: error trying to exec 'as': execvp: No such file or directory

I searched, but there is no as on my system in /usr/local/bin. I am new to Mac so don't know much about the functioning of xcode. Please suggest what to do.

Thanks, Smriti