On Fri, 20 Aug 2021 at 13:59, Arjen Markus wrote: > > Going the WSL2 route (I am not all that familiar with WSL) or a Linux > emulation may be the way to go, indeed, but your remark triggered me to do a > bit of searching: there is some discussion about the secure_getenv() function > wrt Cygwin but there actually is a prototype for it in Cygwin's stdlib.h. It > is protected by a symbol __GNU_VISIBLE. I will try to define that and see > what happens.
Don't do that. Define _GNU_SOURCE to tell Cygwin you want the GNU extensions like secure_getenv, and then <sys/features.h> will define __GNU_VISIBLE. I am curious why _GNU_SOURCE would be defined during configure but not when compiling.
