From 19e4edaf3f99e7c27d0966a05a493ff71e36dfc6 Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Mon, 14 Oct 2013 12:47:49 -0500
Subject: [PATCH] [libpng16] Conditionally compile arm/filter_neon_intrinsics.c

if PNG_READ_SUPPORTED and PNG_ARM_NEON_OPT > 0
---
 arm/filter_neon_intrinsics.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arm/filter_neon_intrinsics.c b/arm/filter_neon_intrinsics.c
index bd248320f..9f6fff62f 100644
--- a/arm/filter_neon_intrinsics.c
+++ b/arm/filter_neon_intrinsics.c
@@ -10,9 +10,13 @@
  * and license in png.h
  */
 
-#include <arm_neon.h>
 #include "pngpriv.h"
 
+#ifdef PNG_READ_SUPPORTED
+#if PNG_ARM_NEON_OPT > 0
+
+#include <arm_neon.h>
+
 void
 png_read_filter_row_up_neon(png_row_infop row_info, png_bytep row,
    png_const_bytep prev_row)
@@ -308,3 +312,5 @@ png_read_filter_row_paeth4_neon(png_row_infop row_info, png_bytep row,
    }
 }
 
+#endif /* PNG_ARM_NEON_OPT > 0 */
+#endif /* PNG_READ_SUPPORTED */