diff -ur tpctl-4.4/tpctlir/tpctlir.c tpctl-4.4/tpctlir/tpctlir.c
--- tpctl-4.4/tpctlir/tpctlir.c	2002-03-01 14:46:14.000000000 +0100
+++ tpctl-4.4/tpctlir/tpctlir.c	2003-10-04 18:00:40.000000000 +0200
@@ -1,6 +1,7 @@
 #include <asm/system.h>
 #include <sys/io.h>
 #include <stdio.h>
+#include <string.h>
 
 /*
  * enable/disable IR on IBM ThinkPads with
@@ -29,7 +30,7 @@
         return 2;
     }
 
-    cli();
+    asm("cli");
 
     val94 = inb(0x94);              /* POS mask register */
     outb(0xfE, 0x94);               /* mask bit (0) for IR; changes enabled */
@@ -44,7 +45,7 @@
     outb(val94, 0x94);              /* restore POS mask to prevent changing */
     outb(val94, 0x47);              /* pause */
 
-    sti();
+    asm("sti");
 
     return 0;
 }