--- CMakeLists.txt.orig	2024-08-30 10:19:42 UTC
+++ CMakeLists.txt
@@ -26,8 +26,8 @@ set(OSGEARTH_SOVERSION 158)
 # Increment this each time the ABI changes
 set(OSGEARTH_SOVERSION 158)
 
-# Require C++14
-set(CMAKE_CXX_STANDARD 14)
+# Require C++17
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # Detect out-of-source build. We'll need this for protobuf generated files.