Daniel Gustafsson <daniel@xxxxxxxx> writes: >> On 30 Nov 2021, at 20:59, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: >> AFAICS this is the only test in our configure script that is a hard >> fail when cross-compiling, and I don't see a reason for it to be that. >> We could just assume that /dev/urandom will be available --- that's no >> worse than a lot of the other optimistic assumptions that configure >> makes in that mode. > Agreed, I don't see a problem with that. I'm not terribly familiar with > supporting cross compilation in autoconf, would a reasonable approach be to > just remove the check altogether like the below sketch? It seems like a useful test when *not* cross compiling, which is most of the time. I'd just wrap that bit in if test "$cross_compiling" = no; then ... fi (I'm a bit surprised that the AC_CHECK_FILE macro doesn't provide an action-if-cross-compiling option, but it apparently doesn't.) regards, tom lane