[ebuild  N     ] dev-lang/ghc-9.0.2-r4:0/9.0.2::gentoo USE="gmp (-big-endian) -binary -doc -elfutils -ghcbootstrap -ghcmakebinary (-llvm) -numa -profile -test -unregisterised" 144.3 MiB
[ebuild  N     ] app-text/dos2unix-7.5.7::gentoo USE="nls -debug -test -verify-sig" 976.5 KiB
[ebuild  N     ] app-admin/haskell-updater-1.5.0.0::gentoo 44.1 KiB

Total: 3 packages (3 new), Size of downloads: 145.3 MiB


 * Running sanity checks...
>>> dev-lang/ghc-9.0.2-r4: failed pkg_pretend
 /Volumes/Disk 1/gentoo-prefix/usr/lib/pkgcore/lib/pkgcore/ebd/.generated/libs/7/pkg_pretend: line 145: [[: invalid regular expression `': empty (sub)expression
  * ERROR: dev-lang/ghc-9.0.2-r4:: failed (pretend phase):
  *   USE flag 'binary' not in IUSE for dev-lang/ghc-9.0.2-r4
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 3533:  called ghc-check-reqs 'check-reqs_pkg_pretend'
  *                ebuild.bash, line 2867:  called use 'binary'
  *                pkg_pretend, line  146:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...