diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index faba6d4..8156dd3 100644
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -37,6 +37,7 @@
 #include <stddef.h>
 #include <stdarg.h>
 #include <limits.h>
+#include <sys/types.h>
 
 
 #if defined(_WIN32) && !defined(__WIN32__)