https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103166
--- Comment #10 from Christophe Lyon <clyon at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #2) > (In reply to Christophe Lyon from comment #0) > > Maybe there's something wrong with the detection of HAVE_GETENTROPY in > > configure? > > We only do a compile test, not link, so if newlib declares it in <unistd.h> > but doesn't define it, we detect it incorrectly. But we avoid link tests in > configure, because there are problems for cross-compilers. Why do we avoid link tests? Is that because of something like https://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html ? Also I am not sure to understand how this patch fixed the problem? Before and after this patch we are happy if compilation succeeds, right? What does the "OR_LINK" part gives us?
