Integrate boost wave into Nabla's build system

Author: AnastaZIuk

3rdparty/boost/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(BOOST_PREPROCESSOR_INCLUDE "${CMAKE_CURRENT_SOURCE_DIR}/preprocessor/include" CACHE PATH "" FORCE)
+set(BOOST_PREPROCESSOR_INCLUDE "${CMAKE_CURRENT_SOURCE_DIR}/superproject/libs/preprocessor/include" CACHE PATH "" FORCE)
 
 get_filename_component(_BOOST_PREPROCESSOR_BR_BUNDLE_SEARCH_DIRECTORY_ "${BOOST_PREPROCESSOR_INCLUDE}" ABSOLUTE)
 get_filename_component(_BOOST_PREPROCESSOR_BR_OUTPUT_DIRECTORY_SOURCE_ "${CMAKE_CURRENT_BINARY_DIR}/src" ABSOLUTE)
@@ -15,4 +15,8 @@ if(NBL_EMBED_BUILTIN_RESOURCES)
 	endforeach()
 
     ADD_CUSTOM_BUILTIN_RESOURCES(boostBuiltinResourceData BOOST_RESOURCES_TO_EMBED "${_BOOST_PREPROCESSOR_BR_BUNDLE_SEARCH_DIRECTORY_}" "boost" "boost::builtin" "${_BOOST_PREPROCESSOR_BR_OUTPUT_DIRECTORY_HEADER_}" "${_BOOST_PREPROCESSOR_BR_OUTPUT_DIRECTORY_HEADER_}" "STATIC" "INTERNAL")
-endif()
+endif()
+
+set(BOOST_INCLUDE_LIBRARIES wave)
+set(BOOST_STAGEDIR "${CMAKE_CURRENT_BINARY_DIR}/boost/superproject/stage")
+add_subdirectory(superproject superproject EXCLUDE_FROM_ALL)

src/nbl/CMakeLists.txt

@@ -588,6 +588,15 @@ target_compile_definitions(Nabla
 	INTERFACE _NBL_PCH_IGNORE_PRIVATE_HEADERS
 )
 
+# Boost
+add_dependencies(Nabla boost_wave)
+target_include_directories(Nabla PUBLIC $<TARGET_PROPERTY:boost_wave,INCLUDE_DIRECTORIES>)
+if(NBL_STATIC_BUILD)
+	target_link_libraries(Nabla INTERFACE boost_wave)
+else()
+	target_link_libraries(Nabla PRIVATE boost_wave)
+endif()
+
 if(NBL_EMBED_BUILTIN_RESOURCES)
 	get_target_property(_NABLA_INCLUDE_DIRECTORIES_ Nabla INCLUDE_DIRECTORIES)
 	get_target_property(_DXC_BR_OUTPUT_INCLUDE_SEARCH_DIRECTORY_ dxcBuiltinResourceData BUILTIN_RESOURCES_INCLUDE_SEARCH_DIRECTORY)