Workaround for glibc-2.18 scanf bug when building ATLAS
Avoid scanf instead of just ignoring rest of file
document the glibc bug workaround patch
Trac #15699: Glibc scanf workaround for ATLAS

Workaround for the glibc-2.18 bug that breaks the ATLAS build system

https://sourceware.org/bugzilla/show_bug.cgi?id=15917

URL: http://trac.sagemath.org/15699
Reported by: vbraun
Ticket author(s): Volker Braun, Erik Massop
Reviewer(s): Jean-Pierre Flori, Jeroen Demeyer