nt-bridge subproject submodules + deps cmake build

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "extra/nt-bridge/allwpilib"]
+	path = extra/nt-bridge/allwpilib
+	url = https://github.com/wpilibsuite/allwpilib
+[submodule "extra/nt-bridge/protobuf"]
+	path = extra/nt-bridge/protobuf
+	url = https://github.com/protocolbuffers/protobuf

extra/nt-bridge/.gitignore

@@ -0,0 +1,2 @@
+cmake-build/**
+cmake-install/**

extra/nt-bridge/CMakeLists.txt

@@ -0,0 +1,54 @@
+cmake_minimum_required(VERSION 3.12)
+project(nt-bridge)
+
+if(NOT MSVC)
+	if(NOT CMAKE_BUILD_TYPE)
+		set(CMAKE_BUILD_TYPE Release)
+		message(STATUS "[NT BRIDGE]: Release build type applied by default for non-MSVC build system")
+	endif()
+endif()
+
+message(STATUS "[NT BRIDGE]: Configuring protobuf...")
+execute_process(
+	COMMAND cmake
+		-S ${PROJECT_SOURCE_DIR}/protobuf
+		-B ${PROJECT_SOURCE_DIR}/protobuf/cmake-build
+		-DCMAKE_INSTALL_PREFIX=${PROJECT_SOURCE_DIR}/protobuf/cmake-install
+		-DCMAKE_CXX_STANDARD=20
+		-DCMAKE_BUILD_TYPE=Release
+		-Dprotobuf_BUILD_EXAMPLES=OFF
+		-Dprotobuf_BUILD_TESTS=OFF
+		-Dprotobuf_BUILD_SHARED_LIBS=ON
+		-Dprotobuf_BUILD_WITH_ZLIB=OFF
+)
+message(STATUS "[NT BRIDGE]: Buildig protobuf...")
+execute_process(
+	COMMAND cmake
+		--build ${PROJECT_SOURCE_DIR}/protobuf/cmake-build
+		--target install
+		--config Release
+)
+
+if(WIN32)
+	set(_PROTOC_EXECUTABLE "protoc.exe")
+else()
+	set(_PROTOC_EXECUTABLE "protoc")
+endif()
+
+set(__BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
+set(BUILD_SHARED_LIBS OFF)
+if(NOT BUILD_SHARED_LIBS AND NOT WIN32)
+	add_compile_options(-fPIC)
+endif()
+set(WITH_JAVA OFF CACHE BOOL "" FORCE)
+set(WITH_CSCORE OFF CACHE BOOL "" FORCE)
+set(WITH_WPILIB OFF CACHE BOOL "" FORCE)
+set(WITH_EXAMPLES ON CACHE BOOL "" FORCE)
+set(WITH_TESTS OFF CACHE BOOL "" FORCE)
+set(WITH_GUI OFF CACHE BOOL "" FORCE)
+set(WITH_SIMULATION_MODULES OFF CACHE BOOL "" FORCE)
+set(Protobuf_INCLUDE_DIR		"${PROJECT_SOURCE_DIR}/protobuf/cmake-install/include")
+set(Protobuf_PROTOC_EXECUTABLE	"${PROJECT_SOURCE_DIR}/protobuf/cmake-install/bin/${_PROTOC_EXECUTABLE}")	# make sure that this is still compatible with windows!
+list(APPEND CMAKE_LIBRARY_PATH	"${PROJECT_SOURCE_DIR}/protobuf/cmake-install/lib")
+add_subdirectory(allwpilib)
+set(BUILD_SHARED_LIBS ${__BUILD_SHARED_LIBS})