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Please see results below ... (should I instead install Haskell from haskell.org??)

vasili@vasili-VirtualBox:~/biolib$ cabal configure
Resolving dependencies...
Configuring bio-0.5.2...
Warning: This package indirectly depends on multiple versions of the same
package. This is highly likely to cause a compile failure.
package text-1.2.0.0 requires bytestring-0.10.4.0
package tagsoup-0.13.3 requires bytestring-0.10.4.0
package parsec-3.1.7 requires bytestring-0.10.4.0
package bio-0.5.2 requires bytestring-0.10.4.0
package binary-0.4.5 requires bytestring-0.10.4.0
package unix-2.5.1.0 requires bytestring-0.9.2.1
vasili@vasili-VirtualBox:~/biolib$