Right now, the files from the m4 directory don't follow a sane nor uniform quoting style. What they do is also undocumented.
This section of the code needs to be documented better, and also needs some cleanup. Alternatively, a rewrite would be in order. -- Summary: Clean up m4 files Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: libfortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: tkoenig at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30690