From 2cb075fe26201f3e370fccfff6c1bc242b5acc79 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 3 Jul 2018 13:04:05 +0430
Subject: [PATCH] Fix unused function '_hb_mapped_file_destroy' if no mmap

---
 src/hb-blob.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 98e9c65c2..61ed79a76 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -508,6 +508,7 @@ struct hb_mapped_file_t
 #endif
 };
 
+#if (defined(HAVE_MMAP) || defined(_WIN32) || defined(__CYGWIN__)) && !defined(HB_NO_MMAP)
 static void
 _hb_mapped_file_destroy (hb_mapped_file_t *file)
 {
@@ -522,6 +523,7 @@ _hb_mapped_file_destroy (hb_mapped_file_t *file)
 
   free (file);
 }
+#endif
 
 /**
  * hb_blob_create_from_file: