mirror of https://github.com/janet-lang/janet
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* Copyright (c) 2022 Calvin Rose
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/* Feature test macros */
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#ifndef JANET_FEATURES_H_defined
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#define JANET_FEATURES_H_defined
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#if defined(__NetBSD__) || defined(__APPLE__) || defined(__OpenBSD__) \
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|| defined(__bsdi__) || defined(__DragonFly__)
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/* Use BSD source on any BSD systems, include OSX */
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# define _BSD_SOURCE
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#else
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/* Use POSIX feature flags */
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# ifndef _POSIX_C_SOURCE
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# define _POSIX_C_SOURCE 200809L
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# endif
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#endif
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/* Needed for sched.h for cpu count */
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#ifdef __linux__
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#define _GNU_SOURCE
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#endif
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#if defined(WIN32) || defined(_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#endif
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/* Needed for realpath on linux, as well as pthread rwlocks. */
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif
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#if _XOPEN_SOURCE < 600
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#undef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 600
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#endif
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/* Needed for timegm and other extensions when building with -std=c99.
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* It also defines realpath, etc, which would normally require
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* _XOPEN_SOURCE >= 500. */
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#if !defined(_NETBSD_SOURCE) && defined(__NetBSD__)
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#define _NETBSD_SOURCE
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#endif
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#endif
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