(chroot) archlinux / # emerge -vp wpa_supplicant

 * IMPORTANT: 2 config files in '/etc/portage' need updating.
 * See the CONFIGURATION FILES section of the emerge
 * man page to learn how to update config files.

These are the packages that would be merged, in order:

Calculating dependencies... done!

!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

dev-libs/openssl:0

  (dev-libs/openssl-1.0.1j:0/0::gentoo, installed) pulled in by
    (no parents that aren't satisfied by other packages in this slot)

  (dev-libs/openssl-1.0.1k:0/0::gentoo, ebuild scheduled for merge) pulled in by
    >=dev-libs/openssl-1.0.1h-r2[static-libs?,abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?] required by (net-misc/curl-7.39.0:0/0::gentoo, ebuild scheduled for merge)
                                 ^^^^^^^^^^^^

sys-libs/zlib:0

  (sys-libs/zlib-1.2.8-r1:0/0::gentoo, installed) pulled in by
    (no parents that aren't satisfied by other packages in this slot)

  (sys-libs/zlib-1.2.8-r1:0/0::gentoo, ebuild scheduled for merge) pulled in by
    >=sys-libs/zlib-1.2.8-r1[static-libs(+)?,abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?] required by (dev-libs/openssl-1.0.1k:0/0::gentoo, ebuild scheduled for merge)



!!! Enabling --newuse and --update might solve this conflict.
!!! If not, it might help emerge to give a more specific suggestion.


!!! The ebuild selected to satisfy ">=sys-fs/cryptsetup-1.6:0=" has unmet requirements.
- sys-fs/cryptsetup-1.6.5::gentoo USE="gcrypt kernel nettle nls openssl python reencrypt static static-libs udev urandom" ABI_X86="64" PYTHON_SINGLE_TARGET="python2_7 -python3_3 -python3_4" PYTHON_TARGETS="python2_7 python3_3 -python3_4"

  The following REQUIRED_USE flag constraints are unsatisfied:
    exactly-one-of ( gcrypt kernel nettle openssl ) static? ( !gcrypt )

  The above constraints are a subset of the following complete expression:
    exactly-one-of ( gcrypt kernel nettle openssl ) python? ( exactly-one-of ( python_single_target_python3_3 python_single_target_python3_4 python_single_target_python2_7 ) python_single_target_python3_3? ( python_targets_python3_3 ) python_single_target_python3_4? ( python_targets_python3_4 ) python_single_target_python2_7? ( python_targets_python2_7 ) ) static? ( !gcrypt )

(dependency required by "sys-apps/systemd-216-r3[cryptsetup]" [ebuild])
(dependency required by "sys-apps/dbus-1.8.10[systemd]" [ebuild])
(dependency required by "net-dns/avahi-0.6.31-r6[dbus]" [ebuild])
(dependency required by "net-print/cups-filters-1.0.53[zeroconf]" [ebuild])
(dependency required by "net-print/cups-1.7.5" [ebuild])
(dependency required by "app-text/ghostscript-gpl-9.10-r2[cups]" [ebuild])