diff -ruN qemu-122806/block-raw.c qemu/block-raw.c
--- qemu-122806/block-raw.c	2006-12-22 09:19:53.000000000 -0500
+++ qemu/block-raw.c	2006-12-28 15:46:31.282932000 -0500
@@ -44,6 +44,8 @@
 #endif
 
 #ifdef __sun__
+#define _POSIX_PTHREAD_SEMANTICS 1
+#include <signal.h>
 #include <sys/dkio.h>
 #endif
 #ifdef __linux__
diff -ruN qemu-122806/vl.h qemu/vl.h
--- qemu-122806/vl.h	2006-12-24 12:12:43.000000000 -0500
+++ qemu/vl.h	2006-12-28 15:49:43.181801000 -0500
@@ -45,6 +45,10 @@
 #define O_BINARY 0
 #endif
 
+#ifdef __sun__
+#define ENOMEDIUM 4097
+#endif
+
 #ifdef _WIN32
 #include <windows.h>
 #define fsync _commit