diff --git a/polyp/cpulimit.c b/polyp/cpulimit.c
index 0fab98a02..f121123f1 100644
--- a/polyp/cpulimit.c
+++ b/polyp/cpulimit.c
@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#ifdef HAVE_SIGXCPU
+
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -219,3 +221,16 @@ void pa_cpu_limit_done(void) {
         installed = 0;
     }
 }
+
+#else /* HAVE_SIGXCPU */
+
+struct pa_mainloop_api;
+
+int pa_cpu_limit_init(struct pa_mainloop_api *m) {
+    return 0;
+}
+
+void pa_cpu_limit_done(void) {
+}
+
+#endif