Resolving dependencies...
Downloading Hungarian-Munkres-0.1.2...
Configuring Hungarian-Munkres-0.1.2...
Building Hungarian-Munkres-0.1.2...
Preprocessing library Hungarian-Munkres-0.1.2...
[1 of 1] Compiling Algorithms.Hungarian ( src/Algorithms/Hungarian.hs, dist/build/Algorithms/Hungarian.o )
Warning: the following files would be used as linker inputs, but linking is not being done: cbits/hungarian.h
ghc: no input files
Usage: For basic information, try the `--help' option.
Failed to install Hungarian-Munkres-0.1.2
cabal: Error: some packages failed to install:
Hungarian-Munkres-0.1.2 failed during the building phase. The exception was:
ExitFailure 1