have waf test time_t size
32 bit time_t is thought to be mostly extinct. Add a waf configure test for 32 bit time_t. Complain about potential 2038 problems if found.
Add a warning in INSTALL file that 32-bit time_t support is deprecated.
32 bit time_t is thought to be mostly extinct. Add a waf configure test for 32 bit time_t. Complain about potential 2038 problems if found.
Add a warning in INSTALL file that 32-bit time_t support is deprecated.