>ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.10.1
When cabal install SourceGraph I got the following error messages:
>cabal install SourceGraph
cabal: Error: some packages failed to install:
Graphalyze-0.14.1.1 depends on data-default-instances-containers-0.0.1 which
failed to install.
SourceGraph-0.7.0.7 depends on data-default-instances-containers-0.0.1 which
failed to install.
data-default-0.5.3 depends on data-default-instances-containers-0.0.1 which
failed to install.
data-default-instances-containers-0.0.1 failed during the building phase. The
exception was:
ExitFailure 1
data-default-instances-old-locale-0.0.1 failed during the building phase. The
exception was:
ExitFailure 1
pandoc-1.15.2.1 depends on data-default-instances-containers-0.0.1 which
failed to install.
I'm using win10, and my ghc version is:
When
cabal install SourceGraph
I got the following error messages: