We want to turn off extensions in the this project

Author: ClausKlein

CMakePresets.json

@@ -8,7 +8,7 @@
       "binaryDir": "${sourceDir}/build/${presetName}",
       "cacheVariables": {
         "CMAKE_CXX_STANDARD": "17",
-        "CMAKE_CXX_EXTENSIONS": true,
+        "CMAKE_CXX_EXTENSIONS": false,
         "CMAKE_CXX_STANDARD_REQUIRED": true,
         "CMAKE_EXPORT_COMPILE_COMMANDS": true,
         "CMAKE_PROJECT_TOP_LEVEL_INCLUDES": "${sourceDir}/infra/cmake/use-fetch-content.cmake"

cookiecutter/{{cookiecutter.project_name}}/CMakePresets.json

@@ -8,7 +8,7 @@
       "binaryDir": "${sourceDir}/build/${presetName}",
       "cacheVariables": {
         "CMAKE_CXX_STANDARD": "{{cookiecutter.minimum_cpp_build_version}}",
-        "CMAKE_CXX_EXTENSIONS": true,
+        "CMAKE_CXX_EXTENSIONS": false,
         "CMAKE_CXX_STANDARD_REQUIRED": true,
         "CMAKE_EXPORT_COMPILE_COMMANDS": true,
         "CMAKE_PROJECT_TOP_LEVEL_INCLUDES": "${sourceDir}/infra/cmake/use-fetch-content.cmake"