Add guard around _GNU_SOURCE define

This avoids warnings if the define has already been set by the build system.
2021-06-03 12:51:27 +02:00 · 2021-06-03 12:51:27 +02:00 · 04eab8e1f8
parent 2a0d608b07
commit 04eab8e1f8
1 changed files with 3 additions and 1 deletions
--- a/src/include/general.h
+++ b/src/include/general.h
@ -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