Apple Running Mac OS X

On Mac OS, in all cases use the standard compiler invocation, just being sure to include the –g option.

 

Compiler	Compiler Command Line
Absoft Fortran 77	f77 –g program.f f77 –g program.for
Absoft Fortran 90	f90 –g program.f90
GCC C	gcc –g program.c
GCC C++	g++ –g program.cxx
GCC Fortran	g77 –g program.f
IBM xlc C	xlc –g program.c
IBM xlC C++	xlC –g program.cxx
IBM xlf Fortran 77	xlf –g program.f
IBM xlf90 Fortran 90	xlf90 –g program.f90

On Mac OS X 10.4, you can create 64-bit applications using GCC 4 by adding the –m64 command-line option.