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mvoidex / hsdev

Haskell development tool
BSD 3-Clause "New" or "Revised" License
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cabal install hsdev fails with ExitFailure 1 #67

Closed harpresing closed 6 years ago

harpresing commented 7 years ago

Haskell noob here. When I try to install hsdev on macOS using cabal version 2.0.0.2 on ghci version 8.2.1 I get the following error-

Building regex-pcre-builtin-0.94.4.8.8.35...
Failed to install regex-pcre-builtin-0.94.4.8.8.35
Build log ( /Users/harpreet/.cabal/logs/ghc-8.2.1/regex-pcre-builtin-0.94.4.8.8.35-ErSIfFBjU2O890llA9JKT4.log ):
cabal: Entering directory '/var/folders/q3/0p0mxly93xv0khxhp59n7qrc0000gn/T/cabal-tmp-17197/regex-pcre-builtin-0.94.4.8.8.35'
Configuring regex-pcre-builtin-0.94.4.8.8.35...
Preprocessing library for regex-pcre-builtin-0.94.4.8.8.35..
Building library for regex-pcre-builtin-0.94.4.8.8.35..
<command line>: cannot satisfy -package-id regex-base-0.93.2-6R4SyH615Fd96n1BuXT5nY:
    regex-base-0.93.2-6R4SyH615Fd96n1BuXT5nY is unusable due to shadowed dependencies:
      mtl-2.2.1-19EL8AGBsN3DnnOhrC9xY3
    (use -v for more information)

and finally the build fails with the message -

cabal: Error: some packages failed to install:
hsdev-0.2.5.1-KLZyINgHjNjLoIhf1REoIt depends on hsdev-0.2.5.1 which failed to
install.
regex-pcre-builtin-0.94.4.8.8.35-ErSIfFBjU2O890llA9JKT4 failed during the
building phase. The exception was:
ExitFailure 1

How should I fix this?

mvoidex commented 6 years ago

Something broken in installed packages :) Try clean install