glib-mkenums: Support reading @rspfiles for arguments
This is needed on Windows where the argument list can exceed the maximum command-line length when lots of sources are passed to glib-mkenums.
I needed this to build gtk+ on Windows with Meson.
This is needed on Windows where the argument list can exceed the maximum command-line length when lots of sources are passed to glib-mkenums.
I needed this to build gtk+ on Windows with Meson.