set(FOOBAR_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/FooBar.cs)
set(FOOBAR_OUTPUT ${CMAKE_BINARY_DIR}/FooBar.dll)

add_custom_command(
    OUTPUT ${FOOBAR_OUTPUT}
    COMMAND dotnet ${CSC_DLL}
        -target:library
        -out:${FOOBAR_OUTPUT}
        -lib:${RUNTIME_DIR}
        -reference:System.Private.CoreLib.dll
        -reference:System.Runtime.dll
        -reference:System.Console.dll
        ${FOOBAR_SOURCES}
    DEPENDS ${FOOBAR_SOURCES}
    COMMENT "Compiling FooBar library with Roslyn csc..."
)

add_custom_target(FooBar ALL DEPENDS ${FOOBAR_OUTPUT})