Validate that c++20 if SPDLOG_USE_FMT_FORMAT=ON

2 years ago · 98415979d2
parent 5c93f5ff34
commit 98415979d2
1 changed files with 4 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -104,6 +104,10 @@ if(SPDLOG_USE_STD_FORMAT AND SPDLOG_FMT_EXTERNAL)
    message(FATAL_ERROR "SPDLOG_USE_STD_FORMAT and SPDLOG_FMT_EXTERNAL are mutually exclusive")
 endif()

+if(SPDLOG_USE_STD_FORMAT AND CMAKE_CXX_STANDARD LESS 20)
+    message(FATAL_ERROR "SPDLOG_USE_STD_FORMAT must be used with CMAKE_CXX_STANDARD >= 20")
+endif()
+
 # misc tweakme options
 if(WIN32)
    option(SPDLOG_WCHAR_FILENAMES "Support wchar filenames" OFF)