unistr/u*-next: Add missing dependencies.

[gnulib.git] / tests / test-gethostname.c

diff --git a/tests/test-gethostname.c b/tests/test-gethostname.c
index c1914fd..a63839b 100644 (file)
--- a/tests/test-gethostname.c
+++ b/tests/test-gethostname.c
@@ -17,8 +17,15 @@
 
 #include <config.h>
 
+/* Get gethostname() declaration.  */
 #include <unistd.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (gethostname, int, (char *, size_t));
+
+/* Get HOST_NAME_MAX definition.  */
+#include <limits.h>
+
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
@@ -26,7 +33,7 @@
 #define NOHOSTNAME "magic-gnulib-test-string"
 
 int
-main (int argc, char *argv[])
+main (int argc, char *argv[] _GL_UNUSED)
 {
   char buf[HOST_NAME_MAX];
   int rc;