Installing via Stack fails due to missing dist/build/Clang/Internal/FFI.chs.c

[rcook]

I have a simple Stack project which references LibClang-3.4.0 via an extra-deps entry in stack.yaml. Attempts to build this project fail due to the following compilation error in LibClang:

    Preprocessing library LibClang-3.4.0...
    [ 1 of 25] Compiling Clang.Internal.FFIConstants ( .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/FFIConstants.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/FFIConstants.o )
    [ 2 of 25] Compiling Paths_LibClang   ( .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/autogen/Paths_LibClang.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Paths_LibClang.o )
    [ 3 of 25] Compiling Clang.Internal.BitFlags ( src/Clang/Internal/BitFlags.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/BitFlags.o )
    [ 4 of 25] Compiling Clang.Internal.Monad ( src/Clang/Internal/Monad.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/Monad.o )
    [ 5 of 25] Compiling Clang.Internal.FFI ( .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/FFI.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/FFI.o )
    [ 6 of 25] Compiling Clang.Index      ( src/Clang/Index.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Index.o )
    [ 7 of 25] Compiling Clang.TranslationUnit ( src/Clang/TranslationUnit.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/TranslationUnit.o )
    [ 8 of 25] Compiling Clang.Internal.Comment ( src/Clang/Internal/Comment.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Internal/Comment.o )
    [ 9 of 25] Compiling Clang.Comment    ( src/Clang/Comment.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Comment.o )
    [10 of 25] Compiling Clang.Completion ( src/Clang/Completion.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Completion.o )
    [11 of 25] Compiling Clang.Cursor     ( src/Clang/Cursor.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Cursor.o )
    [12 of 25] Compiling Clang.Debug      ( src/Clang/Debug.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Debug.o )
    [13 of 25] Compiling Clang.Diagnostic ( src/Clang/Diagnostic.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Diagnostic.o )
    [14 of 25] Compiling Clang.File       ( src/Clang/File.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/File.o )
    [15 of 25] Compiling Clang.Location   ( src/Clang/Location.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Location.o )
    [16 of 25] Compiling Clang.Module     ( src/Clang/Module.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Module.o )
    [17 of 25] Compiling Clang.Range      ( src/Clang/Range.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Range.o )
    [18 of 25] Compiling Clang.Remapping  ( src/Clang/Remapping.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Remapping.o )
    [19 of 25] Compiling Clang.String     ( src/Clang/String.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/String.o )
    [20 of 25] Compiling Clang.Token      ( src/Clang/Token.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Token.o )
    [21 of 25] Compiling Clang.Type       ( src/Clang/Type.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Type.o )
    [22 of 25] Compiling Clang.UnsavedFile ( src/Clang/UnsavedFile.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/UnsavedFile.o )
    [23 of 25] Compiling Clang.USR        ( src/Clang/USR.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/USR.o )
    [24 of 25] Compiling Clang.Version    ( src/Clang/Version.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang/Version.o )
    [25 of 25] Compiling Clang            ( src/Clang.hs, .stack-work/dist/x86_64-linux/Cabal-1.22.5.0/build/Clang.o )
    <command line>: does not exist: dist/build/Clang/Internal/FFI.chs.c

[chetant]

#62 should fix this, please reopen issue if problem still persists