Add a deprecation warning when building with C++17 (AIDASoft#700)

* Add a deprecation warning when building with C++17 * Specify a version when support for C++17 will be removed * Set the default to C++20 --------- Co-authored-by: jmcarcell <[email protected]>
jmcarcell · Nov 18, 2024 · 67b6950 · 67b6950
1 parent f7f93d8
commit 67b6950
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -40,6 +40,10 @@ if(NOT CMAKE_CXX_STANDARD MATCHES "20|23")
   message(FATAL_ERROR "Unsupported C++ standard: ${CMAKE_CXX_STANDARD}")
 endif()
 
+if(CMAKE_CXX_STANDARD EQUAL 17)
+  message(WARNING "C++17 is deprecated and support for it will be removed in v01-03. Please use at least C++20.")
+endif()
+
 # Prevent CMake falls back to the latest standard the compiler does support
 set(CMAKE_CXX_STANDARD_REQUIRED ON)