I've looked through the gcc documentation and can't find an answer to this simple question - how do I split a gcc command line into multiple lines? For example, gcc -ansi -c -o "E:\George\Consulting\2003-10 JSF Fluid Migration\Migrate Software\GCC obj \Migrate.exe" "E:\George\Consulting\2003-10 JSF Fluid Migration\Migrate Software\GCC obj\Migrate.obj" "E:\George\Consulting\2003-10 JSF Fluid Migration\Migrate Software\GCC obj\Migrate File Handlers.obj" "E:\George\Consulting\2003-10 JSF Fluid Migration\Migrate Software\GCC obj\Migrate Utilities.obj" This obviously would be much nicer on multiple lines. I realize I can define the compiler, compiler options, and base directory as variables to shorten the line, but eventually I will have dozens of source files and the single line will get totally out of hand. Thanks for any help. George