It seems the systemd option disappeared in 0.9.23-r3 so there is no obvious way to avoid systemd: # eix upower [U] sys-power/upower Available versions: 0.9.23-r3 ~0.99.0(0/2) {doc +introspection ios KERNEL="FreeBSD linux"} Installed versions: 0.9.23(11:43:47 AM 03/03/2014)(introspection -doc -ios -systemd KERNEL="linux -FreeBSD") Homepage: http://upower.freedesktop.org/ Description: D-Bus abstraction for enumerating power devices and querying history and statistics # equery uses upower-0.9.23-r3 [ Legend : U - final flag setting for installation] [ : I - package is installed with flag ] [ Colors : set, unset ] * Found these USE flags for sys-power/upower-0.9.23-r3: U I - - doc : Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally + - introspection : Add support for GObject based introspection - - ios : Enable support for Apple's iDevice with iOS operating system (iPad, iPhone, iPod, etc) This leads to the following conflict on my system: # emerge -uDNav --with-bdeps=y world These are the packages that would be merged, in order: Calculating dependencies ... done! [ebuild N ] sys-apps/systemd-208-r3:0/1 USE="acl filecaps firmware-loader gudev introspection kmod pam policykit tcpd -audit -cryptsetup -doc -gcrypt -http -lzma -python -qrcode (-selinux) {-test} -vanilla -xattr" PYTHON_SINGLE_TARGET="python2_7 -python3_2 -python3_3" PYTHON_TARGETS="python2_7 python3_3 -python3_2" 8 kB [ebuild N ] sys-apps/gentoo-systemd-integration-2 51 kB [ebuild U ] sys-power/upower-0.9.23-r3 [0.9.23] USE="introspection -doc -ios (-systemd%)" 0 kB [blocks B ] sys-fs/udev ("sys-fs/udev" is blocking sys-apps/systemd-208-r3) [blocks B ] sys-apps/gentoo-systemd-integration ("sys-apps/gentoo-systemd-integration" is blocking sys-fs/udev-212-r1) [blocks B ] sys-apps/systemd ("sys-apps/systemd" is blocking sys-fs/udev-212-r1) Total: 3 packages (1 upgrade, 2 new), Size of downloads: 58 kB Conflict: 3 blocks (3 unsatisfied) * Error: The above package list contains packages which cannot be * installed at the same time on the same system. (sys-fs/udev-212-r1::gentoo, installed) pulled in by >=sys-fs/udev-208-r1:0/0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,gudev,introspection?,static-libs?] (>=sys-fs/udev-208-r1:0/0[abi_x86_32(-),gudev,introspection]) required by (virtual/libgudev-208::gentoo, installed) >=sys-fs/udev-208:0/0[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,static-libs?] (>=sys-fs/udev-208:0/0[abi_x86_32(-)]) required by (virtual/libudev-208::gentoo, installed) >=sys-fs/udev-208 required by (virtual/udev-208-r2::gentoo, installed) (sys-apps/systemd-208-r3::gentoo, ebuild scheduled for merge) pulled in by >=sys-apps/systemd-200 required by (sys-power/upower-0.9.23-r3::gentoo, ebuild scheduled for merge) >=sys-apps/systemd-207 required by (sys-apps/gentoo-systemd-integration-2::gentoo, ebuild scheduled for merge)
*** This bug has been marked as a duplicate of bug 512252 ***
Your eix database is outdated it if doesn't show sys-power/upower-pm-utils (the migration path) Also, Portage news item was released about this today: http://sources.gentoo.org/gitweb/?p=proj/gentoo-news.git;a=blob;f=2014/2014-06-03-upower-loses-hibernate-suspend-to-systemd/2014-06-03-upower-loses-hibernate-suspend-to-systemd.en.txt;h=52a08cb9764df3486a4d0cb0cab981046843ef18;hb=5f05c628d8960ce3577ca4fa0fe65bd85bbb2b0c
