# HG changeset patch
# User Alain Mazy <am@osimis.io>
# Date 1648503205 -7200
# Node ID 3c3bb0181e96c625dd705be231e2cc8a38777389
# Parent  1b6b88f017b9b0457fb454d578e61e94ba476641
fix LibPNG build for Apple M1

diff -r 1b6b88f017b9 -r 3c3bb0181e96 OrthancFramework/Resources/CMake/LibPngConfiguration.cmake
--- a/OrthancFramework/Resources/CMake/LibPngConfiguration.cmake	Mon Mar 28 21:20:48 2022 +0200
+++ b/OrthancFramework/Resources/CMake/LibPngConfiguration.cmake	Mon Mar 28 23:33:25 2022 +0200
@@ -59,6 +59,8 @@
     -DPNG_NO_CONFIG_H=1
     -DPNG_NO_CONSOLE_IO=1
     -DPNG_NO_STDIO=1
+    # disable ARM neon optimization for Apple M1 builds (TODO: try adding arm/filter_neon_intrinscis.c ... )
+    -DPNG_ARM_NEON_OPT=0
     # The following declaration avoids "__declspec(dllexport)" in
     # libpng to prevent publicly exposing its symbols by the DLLs
     -DPNG_IMPEXP=