cmake build log

 * Package:    dev-util/cmake-3.9.6
 * Repository: gentoo
 * Maintainer: kde@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux ncurses userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * ERROR: dev-util/cmake-3.9.6::gentoo failed (setup phase):
 *   ${PREFIX} has been removed and is a no-op now
 *
 * Call stack:
 *            ebuild.sh, line 623:  Called source '/usr/portage/dev-util/cmake/cmake-3.9.6.ebuild'
 *   cmake-3.9.6.ebuild, line   8:  Called inherit 'bash-completion-r1' 'elisp-common' 'eutils' 'flag-o-matic' 'gnome2-utils' 'toolchain-funcs' 'versionator' 'virtualx' 'xdg-utils' 'cmake-utils'
 *            ebuild.sh, line 324:  Called __qa_source '/usr/portage/eclass/cmake-utils.eclass'
 *            ebuild.sh, line 111:  Called source '/usr/portage/eclass/cmake-utils.eclass'
 *   cmake-utils.eclass, line 135:  Called die
 * The specific snippet of code:
 *   [[ ${PREFIX} ]] && die "\${PREFIX} has been removed and is a no-op now"
 *
 * If you need support, post the output of `emerge --info '=dev-util/cmake-3.9.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/cmake-3.9.6::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-util/cmake-3.9.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/cmake-3.9.6/temp/die.env'.
 * Working directory: '/var/tmp/portage/dev-util/cmake-3.9.6/homedir'
 * S: '/var/tmp/portage/dev-util/cmake-3.9.6/work/cmake-3.9.6'
 * ERROR: dev-util/cmake-3.9.6::gentoo failed:
 *   ${PREFIX} has been removed and is a no-op now
 *
 * Call stack:
 *    misc-functions.sh, line  17:  Called source '/usr/lib/portage/python3.6/ebuild.sh'
 *            ebuild.sh, line 623:  Called source '/usr/portage/dev-util/cmake/cmake-3.9.6.ebuild'
 *   cmake-3.9.6.ebuild, line   8:  Called inherit 'bash-completion-r1' 'elisp-common' 'eutils' 'flag-o-matic' 'gnome2-utils' 'toolchain-funcs' 'versionator' 'virtualx' 'xdg-utils' 'cmake-utils'
 *            ebuild.sh, line 324:  Called __qa_source '/usr/portage/eclass/cmake-utils.eclass'
 *            ebuild.sh, line 111:  Called source '/usr/portage/eclass/cmake-utils.eclass'
 *   cmake-utils.eclass, line 135:  Called die
 * The specific snippet of code:
 *   [[ ${PREFIX} ]] && die "\${PREFIX} has been removed and is a no-op now"
 *
 * If you need support, post the output of `emerge --info '=dev-util/cmake-3.9.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/cmake-3.9.6::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-util/cmake-3.9.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/cmake-3.9.6/temp/die.env'.
 * Working directory: '/var/tmp/portage/dev-util/cmake-3.9.6/homedir'
 * S: '/var/tmp/portage/dev-util/cmake-3.9.6/work/cmake-3.9.6'