if ($0 == "PSP"         && "'$os'" != "PSP")               { next; }

		if ($0 == "DEDICATED"   && "'$enable_dedicated'" != "1")   { next; }

		if ($0 == "COCOA"       && "'$with_cocoa'" == "0")         { next; }

		if ($0 == "BEOS"        && "'$os'" != "BEOS")              { next; }

		if ($0 == "WIN32"       && "'$os'" != "MINGW" &&

		                "'$os'" != "CYGWIN" && "'$os'" != "MSVC" ) { next; }

		if ($0 == "WINCE"       && "'$os'" != "WINCE")             { next; }

		if ($0 == "MSVC"        && "'$os'" != "MSVC")              { next; }

		if ($0 == "DIRECTMUSIC" && "'$with_direct_music'" == "0")  { next; }

		if ($0 == "LIBTIMIDITY" && "'$libtimidity'" == "" )        { next; }

		if ($0 == "HAVE_THREAD" && "'$with_threads'" == "0")       { next; }