diff --git a/meson.build b/meson.build
index 35c3b95..f27e472 100644
--- a/meson.build
+++ b/meson.build
@@ -16,7 +16,7 @@ config_h.set_quoted('PACKAGE', meson.project_name())
 config_h.set_quoted('PACKAGE_VERSION', meson.project_version())
 
 cc_args = []
-if host_machine.system() != 'freebsd'
+if host_machine.system() not in ['darwin', 'freebsd']
 	cc_args += ['-D_POSIX_C_SOURCE=200809L']
 endif
 add_project_arguments(cc_args, language: 'c')
@@ -52,7 +52,7 @@ foreach f: have_funcs
 endforeach
 config_h.set10('HAVE_XUCRED_CR_PID', cc.has_member('struct xucred', 'cr_pid', prefix : '#include <sys/ucred.h>'))
 have_broken_msg_cmsg_cloexec = false
-if host_machine.system() == 'freebsd'
+if host_machine.system() in ['darwin', 'freebsd']
 	have_broken_msg_cmsg_cloexec = not cc.compiles('''
 #include <sys/param.h> /* To get __FreeBSD_version. */
 #if __FreeBSD_version < 1300502 || \
@@ -69,7 +69,7 @@ endif
 config_h.set10('HAVE_BROKEN_MSG_CMSG_CLOEXEC', have_broken_msg_cmsg_cloexec)
 
 if get_option('libraries')
-	if host_machine.system() == 'freebsd'
+	if host_machine.system() in ['darwin', 'freebsd']
 		# When building for FreeBSD, epoll(7) is provided by a userspace
 		# wrapper around kqueue(2).
 		epoll_dep = dependency('epoll-shim')
diff --git a/src/event-loop.c b/src/event-loop.c
index 37cf95d..49a38cb 100644
--- a/src/event-loop.c
+++ b/src/event-loop.c
@@ -48,6 +48,13 @@
 
 #define TIMER_REMOVED -2
 
+#ifdef __APPLE__
+struct itimerspec {
+	struct timespec it_interval;
+	struct timespec it_value;
+};
+#endif
+
 struct wl_event_loop;
 struct wl_event_source_interface;
 struct wl_event_source_timer;
diff --git a/src/wayland-os.c b/src/wayland-os.c
index a9066ca..483fe64 100644
--- a/src/wayland-os.c
+++ b/src/wayland-os.c
@@ -69,17 +69,19 @@ wl_os_socket_cloexec(int domain, int type, int protocol)
 {
 	int fd;
 
+#ifdef SOCK_CLOEXEC
 	fd = socket(domain, type | SOCK_CLOEXEC, protocol);
 	if (fd >= 0)
 		return fd;
 	if (errno != EINVAL)
 		return -1;
+#endif
 
 	fd = socket(domain, type, protocol);
 	return set_cloexec_or_close(fd);
 }
 
-#if defined(__FreeBSD__)
+#if defined(__APPLE__) || defined(__FreeBSD__)
 int
 wl_os_socket_peercred(int sockfd, uid_t *uid, gid_t *gid, pid_t *pid)
 {