Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: network-protocol-xmpp (user goal)
rejecting: network-protocol-xmpp-0.4.8, network-protocol-xmpp-0.4.7,
network-protocol-xmpp-0.4.6, network-protocol-xmpp-0.4.5,
network-protocol-xmpp-0.4.4, network-protocol-xmpp-0.4.3,
network-protocol-xmpp-0.4.2, network-protocol-xmpp-0.4.1,
network-protocol-xmpp-0.4, network-protocol-xmpp-0.3.3,
network-protocol-xmpp-0.3.2.5, network-protocol-xmpp-0.3.2.4,
network-protocol-xmpp-0.3.2.3, network-protocol-xmpp-0.3.2.2,
network-protocol-xmpp-0.3.2.1, network-protocol-xmpp-0.3.2,
network-protocol-xmpp-0.3.1, network-protocol-xmpp-0.3,
network-protocol-xmpp-0.2.1 (constraint from user target requires ==0.2)
trying: network-protocol-xmpp-0.2
trying: base-4.9.0.0/installed-4.9... (dependency of
network-protocol-xmpp-0.2)
trying: binary-0.8.3.0/installed-0.8... (dependency of SHA-1.6.4.2)
next goal: gsasl (dependency of network-protocol-xmpp-0.2)
rejecting: gsasl-0.3.6 (conflict: requires pkg-config package libgsasl>=1.1,
not found in the pkg-config database)
rejecting: gsasl-0.3.5, gsasl-0.3.4 (conflict: base==4.9.0.0/installed-4.9...,
gsasl => base>=4.0 && <4.8)
rejecting: gsasl-0.3.3, gsasl-0.3.2, gsasl-0.3.1, gsasl-0.3 (conflict: binary
=> bytestring==0.10.8.1/installed-0.1..., gsasl => bytestring>=0.9 && <0.10)
rejecting: gsasl-0.2, gsasl-0.1 (conflict: requires pkg-config package
libgsasl-any, not found in the pkg-config database)
Dependency tree exhaustively searched.