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emscripten-core
GitHub Repository: emscripten-core/emscripten
 Path: blob/main/system/lib/libc/musl/include/features.h
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#ifndef _FEATURES_H

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#define _FEATURES_H

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#if defined(_ALL_SOURCE) && !defined(_GNU_SOURCE)

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#define _GNU_SOURCE 1

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#endif

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#if defined(_DEFAULT_SOURCE) && !defined(_BSD_SOURCE)

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#define _BSD_SOURCE 1

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#endif

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#if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) \

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 && !defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) \

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 && !defined(_BSD_SOURCE) && !defined(__STRICT_ANSI__)

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#define _BSD_SOURCE 1

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#define _XOPEN_SOURCE 700

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#endif

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#if defined(__EMSCRIPTEN__) && defined(_GNU_SOURCE)

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// In emscripten the LFS functions are kept around when _GNU_SOURCE is

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// defined, for increased compatabiliy. This is also what glibc does.

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#undef _LARGEFILE64_SOURCE

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#define _LARGEFILE64_SOURCE 1

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#endif

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#if __STDC_VERSION__ >= 199901L

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#define __restrict restrict

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#elif !defined(__GNUC__)

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#define __restrict

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#endif

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#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)

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#define __inline inline

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#elif !defined(__GNUC__)

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#define __inline

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#endif

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#if __STDC_VERSION__ >= 201112L

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#elif defined(__GNUC__)

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#define _Noreturn __attribute__((__noreturn__))

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#else

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#define _Noreturn

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#endif

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#define __REDIR(x,y) __typeof__(x) x __asm__(#y)

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#endif

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