Antler project changes

.gitmodules

@@ -0,0 +1,12 @@
+[submodule "external/rapidyaml"]
+	path = external/rapidyaml
+	url = https://github.com/biojppm/rapidyaml
+[submodule "external/magic_enum"]
+	path = external/magic_enum
+	url = https://github.com/Neargye/magic_enum
+[submodule "external/Catch2"]
+	path = external/Catch2
+	url = https://github.com/catchorg/Catch2
+[submodule "external/nlohmann"]
+	path = external/nlohmann
+	url = https://github.com/nlohmann/json

CMakeLists.txt

@@ -2,31 +2,22 @@
 
 cmake_minimum_required(VERSION 3.11) # If ryml >= 0.5.0 is included via FetchContent or submodule, this minimum is 3.12.
 
-project("ANTLER Project Tools ")
+project("ANTLER Project Tools " VERSION 1.0.0)
 
 include( ./common.cmake REQUIRED )
 
-if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "11")
-    message(FATAL_ERROR "Insufficient clang version")
-  endif()
-elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10")
-    message(FATAL_ERROR "Insufficient gcc version")
-  endif()
-else()
-  message(WARNING "This build requires a C++20 compliant compiler.")
-endif()
-
-
-add_subdirectory( project )
-add_subdirectory( aproj )
+add_subdirectory( external )
+add_subdirectory( include )
+add_subdirectory( src )
+add_subdirectory( tools )
 
 
+option(PEDANTIC_BUILD "Pedantic builds" On)
 option(BUILD_TESTS "Build and run the tests." On)
+
 if(BUILD_TESTS)
   enable_testing()
-  add_subdirectory( test )
+  add_subdirectory( tests )
 endif()