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does not define _XOPEN_SOURCE when LUA_USE_C89 is defined + defining

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_XOPEN_SOURCE==0 undefines that macro
This commit is contained in:
Roberto Ierusalimschy 2014-12-29 14:54:13 -02:00
parent 8e5290d81e
commit c077d47465
1 changed files with 8 additions and 2 deletions
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10
lprefix.h
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@ -1,5 +1,5 @@
/*
** $Id: $
** $Id: lprefix.h,v 1.1 2014/11/03 15:12:44 roberto Exp roberto $
** Definitions for Lua code that must come before any other header file
** See Copyright Notice in lua.h
*/
@ -11,18 +11,24 @@
/*
** Allows POSIX/XSI stuff
*/
#if !defined(LUA_USE_C89) /* { */
#if !defined(_XOPEN_SOURCE)
#define _XOPEN_SOURCE 600
#elif _XOPEN_SOURCE == 0
#undef _XOPEN_SOURCE /* use -D_XOPEN_SOURCE=0 to undefine it */
#endif
/*
** Allows manipulation of large files in gcc and some other compilers
*/
#if !defined(_FILE_OFFSET_BITS)
#if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
#define _LARGEFILE_SOURCE 1
#define _FILE_OFFSET_BITS 64
#endif
#endif /* } */
/*
** Windows stuff