From f5122d9a79fb8e53d606480a05689f4055ea6791 Mon Sep 17 00:00:00 2001
From: Jamaika1 <lukaszcz18@wp.pl>
Date: Sun, 1 Dec 2024 11:42:53 +0100
Subject: [PATCH] Added define C++20

I use C++17.  VVENC and X265 aren't optimized for C++20.
---
 libheif/codecs/uncompressed/decoder_abstract.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libheif/codecs/uncompressed/decoder_abstract.cc b/libheif/codecs/uncompressed/decoder_abstract.cc
index 206a5aa714..0857b47655 100644
--- a/libheif/codecs/uncompressed/decoder_abstract.cc
+++ b/libheif/codecs/uncompressed/decoder_abstract.cc
@@ -70,11 +70,13 @@ void AbstractDecoder::memcpy_to_native_endian(uint8_t* dst, uint32_t value, uint
     *dst = static_cast<uint8_t>(value);
     return;
   }
+#if (__cplusplus > 201907L)
   else if (std::endian::native == std::endian::big) {
     for (uint32_t i = 0; i < bytes_per_sample; i++) {
       dst[bytes_per_sample - 1 - i] = static_cast<uint8_t>((value >> (i * 8)) & 0xFF);
     }
   }
+#endif
   else {
     for (uint32_t i = 0; i < bytes_per_sample; i++) {
       dst[i] = static_cast<uint8_t>((value >> (i * 8)) & 0xFF);