fix cygwin compilation (without timer support) #283
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I guess this is a step in the right direction, but might not fix the whole cigwin compile issue, right? |
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It does compile on cygwin but schedules / timers don't work because there is no SIGALARM on Windows (the signal gets silently dropped). Afaik for Isabelle that should be sufficient because it runs Vampire with its own set of options and has its own timeout but it's not enough for a proper Windows / Cygwin release. We also only tested without Z3 so far - but having it turned off might be a good idea when we do not have the means to stop it. |
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Cygwin's gcc/newlib (c standard library) does not define some constants and functions without explicitly enabling them as a feature via -D_BSD_SOURCE. See also https://man7.org/linux/man-pages/man7/feature_test_macros.7.html .