Add makefiles for the mac build subdirectories, instead of handling
those files usng relative paths from build/mac. Preparation for an
upcoming build system change to (optionally) not use the top level
pcp-version symlink approach (native Win32 doesn't "do" symlinks).
Add makefiles for the mac build subdirectories, instead of handling
those files usng relative paths from build/mac. Preparation for an
upcoming build system change to (optionally) not use the top level
pcp-version symlink approach (native Win32 doesn't "do" symlinks).