--- a/compat/fixups.h
+++ b/compat/fixups.h
@@ -50,13 +50,25 @@
 # define IPV6_RTHDR_TYPE_0 0
 #endif
 
-#ifndef HAVE_PPOLL
+#include <sys/poll.h>
+
+#ifdef HAVE_PPOLL
+static inline int
+compat_ppoll (struct pollfd *restrict fds, int n,
+              const struct timespec *restrict ts,
+              const sigset_t *restrict sigmask)
+{
+	return ppoll(fds, n, ts, sigmask);
+}
+
+#else
 # include <signal.h>
 struct pollfd;
 struct timespec;
 
-int ppoll (struct pollfd *restrict fds, int n,
-           const struct timespec *restrict ts,
-           const sigset_t *restrict sigmask);
+int compat_ppoll (struct pollfd *restrict fds, int n,
+                  const struct timespec *restrict ts,
+                  const sigset_t *restrict sigmask);
 #endif
 
+#define ppoll compat_ppoll
--- a/compat/ppoll.c
+++ b/compat/ppoll.c
@@ -32,9 +32,9 @@
 # include <pthread.h> // sigprocmask is not thread-safe
 #endif
 
-int ppoll (struct pollfd *restrict fds, int n,
-           const struct timespec *restrict ts,
-           const sigset_t *restrict sigset)
+int compat_ppoll (struct pollfd *restrict fds, int n,
+                  const struct timespec *restrict ts,
+                  const sigset_t *restrict sigset)
 {
 	sigset_t origset;
 	int val;
