adapt header for cc

ben-schwen · ben-schwen · commit 16ca24b0a7ad · 2025-12-22T22:58:28.000+01:00
diff --git a/src/utils.c b/src/utils.c
@@ -1,4 +1,5 @@
 #ifndef _WIN32
+#  define _POSIX_C_SOURCE 200809L
 #  include <sys/wait.h>
 #endif
 
