1 files changed, 5 insertions, 0 deletions

diff --git a/lib-src/etags.c b/lib-src/etags.c
index a9e35d34139..11f4f6a97a2 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -77,6 +77,11 @@ extern int errno;
 #include <sys/types.h>
 #include <sys/stat.h>
 
+/* This is to declare getcwd.  */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 #if !defined (S_ISREG) && defined (S_IFREG)
 # define S_ISREG(m)     (((m) & S_IFMT) == S_IFREG)
 #endif