Thomas Gilligan <thomas.gilli...@icloud.com> writes: > Under the next version of macOS (11.0 unreleased beta 3), configuring > Postgres 9.5 and 9.6 fails with
>> checking test program... ok >> checking whether long int is 64 bits... no >> checking whether long long int is 64 bits... no >> configure: error: Cannot find a working 64-bit integer type. Hm, could we see the config.log output for this? I'm not 100% convinced that you've diagnosed the problem accurately, because it'd imply that Apple made some fundamentally incompatible changes in libc, which seems like stirring up trouble for nothing. regards, tom lane