Configuring storable-complex-0.2.3.0... Preprocessing library for storable-complex-0.2.3.0.. Building library for storable-complex-0.2.3.0.. [1 of 1] Compiling Foreign.Storable.Complex ( src/Foreign/Storable/Complex.hs, .stack-work/dist/x86_64-linux/Cabal-2.4.0.1/build/Foreign/Storable/Complex.o ) Installing library in /home/sv/.stack/snapshots/x86_64-linux/lts-13.22/8.6.5/lib/x86_64-linux-ghc-8.6.5/storable-complex-0.2.3.0-IqTssBZ2G90J9kRbLSMmF1 Registering library for storable-complex-0.2.3.0..