include cleanups: remove unused headers and add feature test macros

[musl] / src / misc / get_current_dir_name.c

diff --git a/src/misc/get_current_dir_name.c b/src/misc/get_current_dir_name.c
index e0f463b..8576df2 100644 (file)
--- a/src/misc/get_current_dir_name.c
+++ b/src/misc/get_current_dir_name.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>