More robust preprocessor switches

Replace #ifdef with #if defined() and #elif with #elif defined() as it should only test if it is defined or not.
2018-03-21 12:21:37 +01:00
1 parent fc5d23212f
commit e79d4932ea
@@ -1,5 +1,5 @@
 /* See LICENSE file for copyright and license details. */
-#ifdef __linux__
+#if defined(__linux__)
 #include <err.h>
 #include <stdio.h>
 #include <string.h>