Note to clear CFLAGS for build

README.md

 Notes for when I have time to work on this:
 
-Build FROM a workstation image containing GHC already.  Build new GHC with `USE=ghcbootstrap ghcmakebinary`, `FEATURES=-splitdebug`, and `BINPKG_COMPRESS=bzip2`.  Copy the resulting package from `/nest/portage/packages` to `/nest/portage/distfiles` according to naming conventions in the GHC ebuild.
+Build FROM a workstation image containing GHC already.  Build new GHC with `USE=ghcbootstrap ghcmakebinary`, `FEATURES=-splitdebug`, `CFLAGS=`, and `BINPKG_COMPRESS=bzip2`.  Copy the resulting package from `/nest/portage/packages` to `/nest/portage/distfiles` according to naming conventions in the GHC ebuild.
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