Using cmake for C++ modules

Author: crackedmind

CMakeLists.txt

@@ -0,0 +1,33 @@
+cmake_minimum_required(VERSION 3.9)
+
+project(modules_test)
+
+function(target_enable_modules TARGET)
+    if(CMAKE_BUILD_TYPE MATCHES "^Debug$" OR NOT DEFINED CMAKE_BUILD_TYPE)
+        set(_MODULES_PATH $ENV{IFCPATH}/Debug)
+    else()
+        set(_MODULES_PATH $ENV{IFCPATH}/Release)
+    endif()
+    find_library(_MODULES_LIB NAME std PATHS ${_MODULES_PATH} NO_DEFAULT_PATH)
+
+    add_library(Modules::std UNKNOWN IMPORTED)
+    if(EXISTS "${_MODULES_LIB}")
+        set_target_properties(Modules::std PROPERTIES
+                    IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
+                    IMPORTED_LOCATION "${_MODULES_LIB}")
+    endif()
+
+    target_compile_options(${TARGET} PRIVATE /experimental:module "/module:search ${_MODULES_PATH}")
+endfunction()
+
+
+set(MODULES actor.ixx manager.ixx)
+set(SOURCES main.cpp manager.cpp)
+list(APPEND SOURCES ${MODULES})
+
+add_executable(${PROJECT_NAME} ${SOURCES})
+set_source_files_properties(${MODULES} PROPERTIES LANGUAGE CXX)
+target_enable_modules(${PROJECT_NAME})
+
+target_link_libraries(${PROJECT_NAME} Modules::std)
+target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_17)