I keep getting this error. Can anyone help? I tried removing the file as suggested, but it made no difference. "/home/dfeuer/GHC/7.8.3.bin/bin/ghc" -o utils/genapply/dist/build/tmp/genapply -hisuf hi -osuf o -hcsuf hc -static -O -H64m -package pretty -package-db libraries/bootstrapping.conf -i -iutils/genapply/. -iutils/genapply/dist/build -iutils/genapply/dist/build/autogen -Iutils/genapply/dist/build -Iutils/genapply/dist/build/autogen -no-user-package-db -rtsopts -odir utils/genapply/dist/build -hidir utils/genapply/dist/build -stubdir utils/genapply/dist/build -static -O -H64m -package pretty -package-db libraries/bootstrapping.conf -i -iutils/genapply/. -iutils/genapply/dist/build -iutils/genapply/dist/build/autogen -Iutils/genapply/dist/build -Iutils/genapply/dist/build/autogen -no-user-package-db -rtsopts utils/genapply/dist/build/GenApply.o libffi/stamp.ffi.static-shared.install exists, but libffi/build/inst/lib/libffi.a does not. Suggest removing libffi/stamp.ffi.static-shared.install. make[1]: *** [libffi/build/inst/lib/libffi.a] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [all] Error 2