1 files changed, 7 insertions, 0 deletions

diff --git a/uisimulator/common/io.c b/uisimulator/common/io.c
index 5db5f52880..53e2022062 100644
--- a/uisimulator/common/io.c
+++ b/uisimulator/common/io.c
@@ -40,6 +40,13 @@
 #include "dir-win32.h"
 #endif
 
+#if defined(WIN32) && defined(__MINGW32__)
+/* when building with cross-compiled mingw on Linux for win32, these protos
+   are missing */
+int _commit(int fd);
+int snprintf (char *buf, size_t size, const char *fmt, ...);
+#endif
+
 #define MAX_PATH 260
 
 #include <fcntl.h>