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ptsname() needs _GNU_SOURCE on glibc. (#192)

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glibc needs `_XOPEN_SOURCE` to have a declaration for
`ptsname()`. An easy way to get that without having to
know about particular `_XOPEN_SOURCE` values is to define
`_GNU_SOURCE`.

Closes interlisp/medley#137.
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Bruce Mitchener 2021-01-08 11:50:15 +07:00 committed by GitHub
parent 69be706a69
commit c83741eb06
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src/unixcomm.c
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@ -9,6 +9,10 @@ Unix Interface Communications
/* Don't compile this at all under DOS. */
#ifndef DOS
#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* Needed for ptsname on glibc systems. */
#endif
/************************************************************************/
/* */
/* (C) Copyright 1989-1995 by Venue. All Rights Reserved. */