initial import, >900commits predate this

external/CMakeLists.txt

@@ -0,0 +1,51 @@
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
+
+# external libs
+
+if (BUILD_TESTING)
+	set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+	add_subdirectory("googletest")
+endif()
+
+add_subdirectory("spdlog")
+
+#include("${CMAKE_CURRENT_SOURCE_DIR}/tracy.cmake")
+add_subdirectory("tracy")
+
+include("${CMAKE_CURRENT_SOURCE_DIR}/entt.cmake")
+include("${CMAKE_CURRENT_SOURCE_DIR}/glm.cmake")
+
+set(JSON_BuildTests OFF CACHE INTERNAL "")
+set(JSON_MultipleHeaders ON CACHE INTERNAL "")
+add_subdirectory("json") # link with "nlohmann_json::nlohmann_json"
+
+set(PHYSFS_BUILD_SHARED FALSE CACHE INTERNAL "")
+add_subdirectory("physfs")
+
+if(NOT MM_HEADLESS)
+	if(NOT EMSCRIPTEN)
+		find_package(SDL2 REQUIRED)
+	endif()
+
+	if(NOT MM_OPENGL_3_GLES)
+		# opengl3 loader
+		add_subdirectory("glad-debug")
+	endif()
+
+	# stb utilies
+	add_subdirectory("stb")
+
+	# nice symbol font integration
+	include("${CMAKE_CURRENT_SOURCE_DIR}/icon_font_cpp_headers.cmake")
+
+	# (debug) gui
+	add_subdirectory("imgui")
+
+	# (debug) text editor
+	include("${CMAKE_CURRENT_SOURCE_DIR}/ImGuiColorTextEdit.cmake")
+
+	# sound, uses sdl2-static backend
+	add_subdirectory("soloud")
+endif()
+
+