* Paul Eggert: > diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4 > index 5a0f0185..3d6e4aca 100644 > --- a/lib/autoconf/functions.m4 > +++ b/lib/autoconf/functions.m4
> +#ifndef getpagesize > +# ifdef _SC_PAGESIZE > +# define getpagesize() sysconf (_SC_PAGESIZE) > +# elif defined _SC_PAGE_SIZE > +# define getpagesize() sysconf (_SC_PAGE_SIZE) > +# elif HAVE_GETPAGESIZE > +int getpagesize (); Isn't this a bit weird? Why can't we rely on the HAVE_GETPAGESIZE check? Shouldn't <unistd.h> come from [AC_INCLUDES_DEFAULT]? Thanks, Florian