I gave it a go on corepure64
It works with sed-4.2.2
A couple of comments:
* bash is required as a dep
* the linux api headers are a dep of compiletc, so can be removed from the dep file
* the resulting /usr/local/bin/sed has permissions of tc:staff, but should have root:root
* /usr/local/bin/sed is not stripped
* the doc, info, man and locale files are not placed in *-doc and *-locale extensions