/$self->prompt/a
.
.,/}$/s/^/#/
/cccdlflags =>/a
	inc_paths => [],
	lib_paths => [],
.
/for ("$prefix\/include",/a
.
.,/}$/s/^/#/
/for ($prefix,/a
.
.,/}$/s/^/#/
/-O[0-9]/s//-Os/
w