[ebuild     U  ] net-libs/libmicrohttpd-1.0.5:0/12::gentoo [1.0.1-r1:0/12::gentoo] USE="epoll eventfd ssl thread-names -debug -static-libs -test -verify-sig" 2.0 MiB

Total: 1 package (1 upgrade), Size of downloads: 2.0 MiB


 * Running sanity checks...
>>> net-libs/libmicrohttpd-1.0.5: failed pkg_pretend
 /Volumes/Disk 1/gentoo-prefix/usr/lib/pkgcore/lib/pkgcore/ebd/.generated/libs/8/pkg_pretend: line 144: [[: invalid regular expression `': empty (sub)expression
  * ERROR: net-libs/libmicrohttpd-1.0.5:: failed (pretend phase):
  *   USE flag 'kernel_linux' not in IUSE for net-libs/libmicrohttpd-1.0.5
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 2117:  called use 'kernel_linux'
  *                pkg_pretend, line  145:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...