Switch _XOPEN_SOURCE to _POSIX_C_SOURCE (less strict).

skeeto · Mar 28, 2017 · 3d00adc · 3d00adc
1 parent 18cc643
commit 3d00adc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/config.h b/config.h
@@ -53,8 +53,8 @@
 
 /* Required for correct builds */
 
-#ifndef _XOPEN_SOURCE
-#  define _XOPEN_SOURCE
+#ifndef _POSIX_C_SOURCE
+#  define _POSIX_C_SOURCE 1
 #endif
 
 #define OPTPARSE_IMPLEMENTATION