From d2c2bba731a2d1b299dbb23bdaeb1c4f40463ca7 Mon Sep 17 00:00:00 2001
From: Jose Fonseca <jfonseca@vmware.com>
Date: Tue, 23 Feb 2021 13:51:05 +0000
Subject: [PATCH] cmake: Set PNG_ARM_NEON_OPT=0 on macOS.

Avoids M1 build failures according to krogovin.

https://github.com/apitrace/apitrace/issues/711
---
 thirdparty/libpng/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/thirdparty/libpng/CMakeLists.txt b/thirdparty/libpng/CMakeLists.txt
index 227688c3..2f20e8ac 100644
--- a/thirdparty/libpng/CMakeLists.txt
+++ b/thirdparty/libpng/CMakeLists.txt
@@ -20,6 +20,11 @@ add_convenience_library (png_bundled EXCLUDE_FROM_ALL
     pngwutil.c
 )
 
+if (APPLE)
+    # https://github.com/apitrace/apitrace/issues/711
+    target_compile_definitions (png_bundled PRIVATE PNG_ARM_NEON_OPT=0)
+endif ()
+
 install (
     FILES LICENSE
     DESTINATION ${DOC_INSTALL_DIR}