[Haskell-cafe] building darcs failed (Unable to link against the iconv library)

Trying to install darcs with cabal-install: Linking /tmp/darcs-2.8.4-12051/darcs-2.8.4/dist/setup/setup ... Configuring darcs-2.8.4... checking whether to use -liconv... setup: Unable to link against the iconv library. Failed to install darcs-2.8.4 cabal: Error: some packages failed to install: What is actually going on here? Iconv libraries already installed with libc6 package. Running ubuntu, cabal-install-1.16.0.2. -- Best regards, dmitry malikov !