From 56a31f9cb082dbed673e671ac4691d0b9dfafdd4 Mon Sep 17 00:00:00 2001
From: Alex Shinn <alexshinn@gmail.com>
Date: Wed, 25 Nov 2020 23:16:12 +0900
Subject: [PATCH] don't declare image loading operations if not enabled (issue
 #714)

---
 include/chibi/gc_heap.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/chibi/gc_heap.h b/include/chibi/gc_heap.h
index eacf6b2f..3540f80b 100644
--- a/include/chibi/gc_heap.h
+++ b/include/chibi/gc_heap.h
@@ -7,6 +7,8 @@
 
 #include "chibi/sexp.h"
 
+#if SEXP_USE_IMAGE_LOADING
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -98,4 +100,6 @@ SEXP_API char* sexp_load_image_err();
 }
 #endif
 
+#endif  /* SEXP_USE_IMAGE_LOADING */
+
 #endif  /* ! SEXP_GC_HEAP_H */