Index: src/OFFile.m
==================================================================
--- src/OFFile.m
+++ src/OFFile.m
@@ -78,11 +78,11 @@
 
 #ifndef OF_AMIGAOS
 # define closeHandle(h) close(h)
 #else
 static struct OFFileHandle
-	OFFileHandle previous, next;
+	struct OFFileHandle *previous, *next;
 	BPTR handle;
 	bool append;
 } *firstHandle = NULL;
 
 static void

Index: src/OFSecureData.m
==================================================================
--- src/OFSecureData.m
+++ src/OFSecureData.m
@@ -33,13 +33,13 @@
 #import "OFInvalidArgumentException.h"
 #import "OFNotImplementedException.h"
 #import "OFOutOfMemoryException.h"
 #import "OFOutOfRangeException.h"
 
+#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
 static const size_t chunkSize = 16;
 
-#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
 struct page {
 	struct page *next, *previous;
 	void *map;
 	unsigned char *page;
 };