Import("swiften_env", "env") myenv = swiften_env.Clone() myenv.MergeFlags(swiften_env["LIBIDN_FLAGS"]) objects = myenv.SwiftenObject([ "StringPrep.cpp", "IDNA.cpp", ]) swiften_env.Append(SWIFTEN_OBJECTS = [objects]) env.Append(UNITTEST_SOURCES = [ File("UnitTest/StringPrepTest.cpp"), ])