Split tawashi into lib+executable to enable unit testing

src/tawashi_implem/CMakeLists.txt

@@ -0,0 +1,57 @@
+project(tawashi_implem LANGUAGES CXX)
+
+find_package(Boost 1.53.0 REQUIRED COMPONENTS program_options filesystem system)
+find_package(SourceHighlight REQUIRED)
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_library(${PROJECT_NAME} STATIC
+	split_get_vars.cpp
+	response.cpp
+	submit_paste_response.cpp
+	get_env.cpp
+	cgi_environment_vars.cpp
+	cgi_env.cpp
+	num_to_token.cpp
+	cgi_post.cpp
+	escapist.cpp
+	index_response.cpp
+	pastie_response.cpp
+	ini_file.cpp
+	pathname/pathname.cpp
+	response_factory.cpp
+	list_highlight_langs.cpp
+	settings_bag.cpp
+	sanitized_utf8.cpp
+)
+
+target_include_directories(${PROJECT_NAME}
+	PRIVATE ${TAWASHI_GEN_INCLUDE_DIR}
+	PUBLIC ${TAWASHI_SOURCE_ROOT}/lib/kakoune
+	PUBLIC ${TAWASHI_SOURCE_ROOT}/lib/mstch/include
+	PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}
+)
+target_include_directories(${PROJECT_NAME} SYSTEM
+	PUBLIC ${Boost_INCLUDE_DIRS}
+	PUBLIC ${TAWASHI_SOURCE_ROOT}/lib/better-enums
+	PRIVATE ${SourceHighlight_INCLUDE_DIR}
+	PRIVATE ${TAWASHI_SOURCE_ROOT}/lib/utf8_v2_3_4/source
+	PUBLIC ${TAWASHI_SOURCE_ROOT}/lib/spdlog/include
+)
+target_link_libraries(${PROJECT_NAME}
+	PRIVATE ${Boost_LIBRARIES}
+	PRIVATE incredis
+	PRIVATE ${SourceHighlight_LIBRARIES}
+	PUBLIC mstch
+	PRIVATE houdini
+	PRIVATE pthread
+)
+target_compile_definitions(${PROJECT_NAME}
+	PRIVATE BOOST_SPIRIT_USE_PHOENIX_V3=1
+	PUBLIC $<$<CONFIG:Debug>:SPDLOG_DEBUG_ON>
+	PUBLIC $<$<CONFIG:Debug>:SPDLOG_TRACE_ON>
+)
+target_compile_options(${PROJECT_NAME}
+	PRIVATE -fdiagnostics-color=always
+)