diff --git a/src/Makefile.in b/src/Makefile.in
index 92f434a..8612ac6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -54,7 +54,7 @@ CFILES=	screen.c \
 	layout.c list_display.c list_generic.c list_license.o list_window.c logfile.c mark.c \
 	misc.c process.c pty.c resize.c sched.c search.c socket.c telnet.c \
 	term.c termcap.c tty.c utmp.c viewport.c window.c winmsg.c \
-	winmsgbuf.c winmsgcond.c
+	winmsgbuf.c winmsgcond.c setuid.c
 OFILES=$(CFILES:c=o)
 
 TESTCFILES := $(wildcard tests/test-*.c)
diff --git a/src/setuid.c b/src/setuid.c
new file mode 100644
index 0000000..73438d5
--- /dev/null
+++ b/setuid.c
@@ -0,0 +1,25 @@
+#include <pwd.h>
+
+int setuid(uid_t uid) {
+	return 0;
+}
+
+int setgid(gid_t gid) {
+	return 0;
+}
+
+int seteuid(gid_t gid) {
+	return 0;
+}
+
+int setegid(gid_t gid) {
+	return 0;
+}
+
+int setresuid(uid_t ruid, uid_t euid, uid_t suid) {
+	return 0;
+}
+
+int setresgid(gid_t rgid, gid_t egid, gid_t sgid) {
+	return 0;
+}