--- LVM2.2.02.94/lib/misc/lvm-wrappers.h~	2011-04-22 14:00:00.000000000 +0200
+++ LVM2.2.02.94/lib/misc/lvm-wrappers.h	2012-03-04 10:43:46.032807285 +0100
@@ -33,7 +34,8 @@
  */
 int read_urandom(void *buf, size_t len);
 
-#  ifndef HAVE_SIGINTERRUPT
+#ifndef HAVE_SIGINTERRUPT
+#include <signal.h>
 #    define siginterrupt(sig, flag) \
 	do { \
 		int ret; \
@@ -45,7 +47,7 @@
 			act.sa_flags |= SA_RESTART; \
 		ret = sigaction(sig, &act, NULL); \
 		return ret; \
-	while (0)
-#  endif
+	} while (0);
+#endif
 
 #endif