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Add guard around _GNU_SOURCE define

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This avoids warnings if the define has already been set by the
build system.
This commit is contained in:
Björn Mellström 2021-06-03 12:51:27 +02:00
parent 2a0d608b07
commit 04eab8e1f8
1 changed files with 3 additions and 1 deletions
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4
src/include/general.h
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@ -21,7 +21,9 @@
#ifndef __GENERAL_H
#define __GENERAL_H
#define _GNU_SOURCE
#if !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
#if !defined(__USE_MINGW_ANSI_STDIO)
# define __USE_MINGW_ANSI_STDIO 1
#endif