2 files changed, 3 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index 9bffa65..6b4bb5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,7 +39,7 @@ XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
 # Checks for pkg-config packages
-PKG_CHECK_MODULES(XKILL, x11 xmuu)
+PKG_CHECK_MODULES(XKILL, [x11 xmuu xproto >= 7.0.17])
 
 AC_CONFIG_FILES([
 	Makefile
diff --git a/xkill.c b/xkill.c
index 429a64a..8ee3431 100644
--- a/xkill.c
+++ b/xkill.c
@@ -60,7 +60,7 @@ static int verify_okay_to_kill ( Display *dpy, int screenno );
 static Bool wm_state_set ( Display *dpy, Window win );
 static Bool wm_running ( Display *dpy, int screenno );
 
-static void
+static void _X_NORETURN
 Exit(int code, Display *dpy)
 {
     if (dpy) {
@@ -69,7 +69,7 @@ Exit(int code, Display *dpy)
     exit (code);
 }
 
-static void
+static void _X_NORETURN
 usage(void)
 {
     const char *options =