Errors faced when attempting to compile https://github.com/FalconNL/mc2obj

errors.sh

$ ghc mc2obj.hs 

mc2obj.hs:10:0:
    Failed to load interface for `ObjExport':
      Use -v to see a list of the files searched for.
$ ghc ObjExport.hs 

ObjExport.hs:63:17:
    Couldn't match expected type `BC.ByteString'
           against inferred type `bytestring-0.9.1.7:Data.ByteString.Internal.ByteString'
    In the expression: getArray $ navigate ["Level", "Blocks"] nbt
    In the expression:
        (getArray $ navigate ["Level", "Blocks"] nbt, 
         getArray $ navigate ["Level", "Data"] nbt)
    In the definition of `chunkData':
        chunkData nbt
                    = (getArray $ navigate ["Level", "Blocks"] nbt, 
                       getArray $ navigate ["Level", "Data"] nbt)
                    where
                        getArray ~(Just (TAG_Byte_Array a)) = a
$ ghc Region.hs 

Region.hs:53:66:
    Couldn't match expected type `bytestring-0.9.1.7:Data.ByteString.Lazy.Internal.ByteString'
           against inferred type `BL.ByteString'
    In the second argument of `(.)', namely `BL.fromChunks . return'
    In the second argument of `(.)', namely
        `decompress . BL.fromChunks . return'
    In the second argument of `(.)', namely
        `BL.toChunks . decompress . BL.fromChunks . return'
@indi ➜  mc2obj rvm:(-.rvm-) git:(master) ✗ ghc BlockDefs.hs 
compilation IS NOT required
BlockDefs.o: In function `rlv_info':
(.text+0x25b4): undefined reference to `containerszm0zi3zi0zi0_DataziIntSet_fromAscList_closure'
BlockDefs.o: In function `s4ao_info':
(.text+0x266c): undefined reference to `containerszm0zi3zi0zi0_DataziIntSet_member_closure'
BlockDefs.o: In function `se3L_info':
(.text+0x395a6): undefined reference to `containerszm0zi3zi0zi0_DataziIntMap_fromList_closure'
BlockDefs.o: In function `se3L_info':
(.text+0x395e7): undefined reference to `__stginit_containerszm0zi3zi0zi0_DataziIntMap_'
BlockDefs.o: In function `se3L_info':
(.text+0x395f3): undefined reference to `__stginit_containerszm0zi3zi0zi0_DataziIntSet_'
BlockDefs.o: In function `rlv_srt':
(.data+0x888): undefined reference to `containerszm0zi3zi0zi0_DataziIntSet_fromAscList_closure'
BlockDefs.o: In function `rlt_srt':
(.data+0x8c8): undefined reference to `containerszm0zi3zi0zi0_DataziIntSet_member_closure'
BlockDefs.o: In function `se4c_closure':
(.data+0x45f0): undefined reference to `containerszm0zi3zi0zi0_DataziIntMap_fromList_closure'
/usr/lib/ghc-6.12.3/libHSrtsmain.a(Main.o): In function `main':
(.text+0x1): undefined reference to `ZCMain_main_closure'
/usr/lib/ghc-6.12.3/libHSrtsmain.a(Main.o): In function `main':
(.text+0x6): undefined reference to `__stginit_ZCMain'
collect2: ld returned 1 exit status
@indi ➜  mc2obj rvm:(-.rvm-) git:(master) ✗