diff --git a/libs/host/Android.mk b/libs/host/Android.mk
index 7eb3aa1..8a28457 100644
--- a/libs/host/Android.mk
+++ b/libs/host/Android.mk
@@ -4,6 +4,7 @@
 LOCAL_SRC_FILES:= \
     CopyFile.c
 
+LOCAL_CFLAGS := -Werror -Wall
 LOCAL_CFLAGS_darwin += -DMACOSX_RSRC
 
 LOCAL_MODULE:= libhost
diff --git a/libs/host/CopyFile.c b/libs/host/CopyFile.c
index 1d9b6bd..d785dca 100644
--- a/libs/host/CopyFile.c
+++ b/libs/host/CopyFile.c
@@ -25,6 +25,7 @@
 #include <assert.h>
 
 #if defined(_WIN32)
+#include <direct.h>  /* For _mkdir() */
 #  define mkdir(path,mode)   _mkdir(path)
 #  define S_ISLNK(s) 0
 #  define lstat stat