Add cmake file and import sprout.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "lib/sprout"]
+	path = lib/sprout
+	url = ../../bolero-MURAKAMI/Sprout.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+project(duckhandy)
+list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)
+
+include(shared_git_project)
+
+add_library(${PROJECT_NAME} INTERFACE)
+
+target_compile_features(${PROJECT_NAME}
+	INTERFACE cxx_nullptr
+	INTERFACE cxx_range_for
+	INTERFACE cxx_lambdas
+	INTERFACE cxx_decltype_auto
+	INTERFACE cxx_defaulted_functions
+	INTERFACE cxx_deleted_functions
+	INTERFACE cxx_auto_type
+	INTERFACE cxx_decltype_incomplete_return_types
+	INTERFACE cxx_noexcept
+	INTERFACE cxx_rvalue_references
+)
+
+target_include_directories(${PROJECT_NAME}
+	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include
+	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/lib/sprout
+)

cmake/Modules/shared_git_project.cmake

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+cmake_minimum_required(VERSION 2.8.12.2 FATAL_ERROR)
+
+function (add_shared_git_project SUBMODULE_PATH)
+	if (IS_ABSOLUTE "${SUBMODULE_PATH}")
+		set(submod_path "${SUBMODULE_PATH}")
+	else()
+		set(submod_path "${CMAKE_CURRENT_SOURCE_DIR}/${SUBMODULE_PATH}")
+	endif()
+
+	if (NOT EXISTS "${submod_path}")
+		message(FATAL_ERROR "Path \"${submod_path}\" doesn't exist")
+	endif()
+	if (NOT IS_DIRECTORY "${submod_path}")
+		message(FATAL_ERROR "Path \"${submod_path}\" is not a valid directory")
+	endif()
+
+	if (NOT EXISTS "${submod_path}/.git")
+		message(FATAL_ERROR ".git not found in \"${submod_path}\". Not a git submodule?")
+	endif()
+	if (IS_DIRECTORY "${submod_path}/.git")
+		message(FATAL_ERROR "\"${submod_path}.git\" is a directory, not a file as expected. Not a git submodule?")
+	endif()
+
+	get_filename_component(proj_name_orig "${submod_path}" NAME)
+	if ("${proj_name_orig}" STREQUAL "")
+		message(FATAL_ERROR "Couldn't make up a name for given project in \"${submod_path}\"")
+	endif()
+
+	string(MAKE_C_IDENTIFIER "${submod_path}" proj_name_c_id)
+	string(TOUPPER ${proj_name_c_id} proj_name)
+
+	get_property(shared_projects_list GLOBAL PROPERTY SHARED_PROJECTS_LIST)
+	list(FIND shared_projects_list ${proj_name} found_index)
+	if (${found_index} GREATER -1)
+		#nothing to do, the variable is already set so the project must have been
+		#included already
+		return()
+	endif()
+
+	#Obtain the path to the working tree
+	# see http://stackoverflow.com/questions/27379818/git-possible-to-use-same-submodule-working-copy-by-multiple-projects
+	# git rev-parse --git-dir --show-toplevel
+	execute_process(
+		COMMAND git rev-parse --show-toplevel
+		WORKING_DIRECTORY "${submod_path}"
+		OUTPUT_VARIABLE matched_gitdir
+		OUTPUT_STRIP_TRAILING_WHITESPACE
+	)
+
+	#Make sure we got an absolute path
+	if (IS_ABSOLUTE "${matched_gitdir}")
+		set(reported_submodule_dir "${matched_gitdir}")
+	else()
+		file(RELATIVE_PATH reported_submodule_dir "${CMAKE_CURRENT_SOURCE_DIR}" "${submod_path}/${matched_gitdir}")
+	endif()
+	unset(matched_gitdir)
+
+	#Check if submodule is a subdirectory of the current source dir
+	file(RELATIVE_PATH reported_submodule_rel_path "${CMAKE_CURRENT_SOURCE_DIR}" "${reported_submodule_dir}")
+	string(LENGTH "${reported_submodule_rel_path}" rel_path_len)
+	message(STATUS "\"${reported_submodule_rel_path}\" - ${rel_path_len}")
+	if (${rel_path_len} GREATER 2)
+		string(SUBSTRING reported_submodule_rel_path 0 3 first_bit)
+		if ("../" STREQUAL "${first_bit}")
+			set(is_out_of_dirtree ON)
+		else()
+			set(is_out_of_dirtree OFF)
+		endif()
+		unset(first_bit)
+	else()
+		set(is_out_of_dirtree OFF)
+	endif()
+	unset(rel_path_len)
+
+	#Globally mark current submodule as handled
+	set_property(GLOBAL APPEND PROPERTY SHARED_PROJECTS_LIST ${proj_name})
+
+	set(shared_project_binary "${CMAKE_CURRENT_BINARY_DIR}/shared_projects/${proj_name_orig}")
+	if (is_out_of_dirtree)
+		#message("Would call add_subdirectory(\"${reported_submodule_dir}\" \"${shared_project_binary}\")")
+		add_subdirectory("${reported_submodule_dir}" "${shared_project_binary}")
+	else()
+		#message("Would call add_subdirectory(\"${reported_submodule_rel_path}\")")
+		add_subdirectory("${reported_submodule_rel_path}")
+	endif()
+endfunction()

lib/sprout

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+Subproject commit fea5e752bda763c27ecd6f84531cdd0b4f82399d