Update check for CXX version

Co-authored-by: vvolkl <[email protected]>
key4hep · Jan 19, 2021 · b7f0ae4 · b7f0ae4
1 parent e25ec64
commit b7f0ae4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -36,7 +36,7 @@ set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
 
 set(CMAKE_CXX_STANDARD 17 CACHE STRING "")
 
-if(NOT CMAKE_CXX_STANDARD MATCHES "14|17")
+if(NOT CMAKE_CXX_STANDARD MATCHES "14|17|20")
   message(FATAL_ERROR "Unsupported C++ standard: ${CMAKE_CXX_STANDARD}")
 endif()