Allow building with C++20

HEP-FCC · Jan 12, 2024 · bf1558a · bf1558a
1 parent cb50525
commit bf1558a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -33,7 +33,7 @@ endif()
 # ``-DCMAKE_CXX_STANDARD=<standard>`` when invoking CMake
 set(CMAKE_CXX_STANDARD 17 CACHE STRING "")
 
-if(NOT CMAKE_CXX_STANDARD MATCHES "14|17")
+if(NOT CMAKE_CXX_STANDARD MATCHES "17|20")
   message(FATAL_ERROR "Unsupported C++ standard: ${CMAKE_CXX_STANDARD}")
 endif()