Cabal problem

[Erik Hesselink]

Could it be this problem?
https://plus.google.com/115504368969270249241/posts/19fyYuT5C1i

Regards,

Erik

On Thu, May 8, 2014 at 6:23 PM, Simon Peyton Jones
<simonpj at microsoft.com> wrote:
> Dear Cabal-ers
>
> I have downloaded a binary installation of GHC 7.8.2, for Linux.
>
> Now I want to install regex-compat.  First I had to deal with the http_proxy
> problem, in my last email.  But now I get this:
>
> cabal install regex-compat
>
> Resolving dependencies...
>
> Downloading regex-posix-0.95.2...
>
> Configuring regex-posix-0.95.2...
>
> Building regex-posix-0.95.2...
>
> Preprocessing library regex-posix-0.95.2...
>
> [1 of 6] Compiling Text.Regex.Posix.Wrap (
> dist/build/Text/Regex/Posix/Wrap.hs, dist/build/Text/Regex/Posix/Wrap.o )
>
> [2 of 6] Compiling Text.Regex.Posix.String ( Text/Regex/Posix/String.hs,
> dist/build/Text/Regex/Posix/String.o )
>
> [3 of 6] Compiling Text.Regex.Posix.Sequence ( Text/Regex/Posix/Sequence.hs,
> dist/build/Text/Regex/Posix/Sequence.o )
>
> [4 of 6] Compiling Text.Regex.Posix.ByteString (
> Text/Regex/Posix/ByteString.hs, dist/build/Text/Regex/Posix/ByteString.o )
>
> [5 of 6] Compiling Text.Regex.Posix.ByteString.Lazy (
> Text/Regex/Posix/ByteString/Lazy.hs,
> dist/build/Text/Regex/Posix/ByteString/Lazy.o )
>
> [6 of 6] Compiling Text.Regex.Posix ( Text/Regex/Posix.hs,
> dist/build/Text/Regex/Posix.o )
>
> /usr/bin/ld: cannot find -lHSregex-base-0.93.2-ghc7.8.2
>
> /usr/bin/ld: cannot find -lHSmtl-2.1.2-ghc7.8.2
>
> collect2: ld returned 1 exit status
>
> Failed to install regex-posix-0.95.2
>
> cabal: Error: some packages failed to install:
>
> regex-compat-0.95.1 depends on regex-posix-0.95.2 which failed to install.
>
> regex-posix-0.95.2 failed during the building phase. The exception was:
>
> ExitFailure 1
>
>
>
> simonpj at cam-05-unx:~/code/HEAD-1$ cabal install regex-base
>
> Resolving dependencies...
>
> All the requested packages are already installed:
>
> regex-base-0.93.2
>
> Use --reinstall if you want to reinstall anyway.
>
> simonpj at cam-05-unx:~/code/HEAD-1$
>
>
>
> So regex-base is already installed, but cabal isn’t using it for
> regex-posix; nor is it installing regex-base-0.93.2.  This seems to break
> the user’s-eye view of the Cabal claim that it’ll download and install the
> dependencies.
>
> Any thoughts?
>
> Simon
>
>
>
>
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