From mboxrd@z Thu Jan  1 00:00:00 1970
From: ericbavier@openmailbox.org
Subject: Re: [PATCH] gnu: Add ghc-regex-posix.
Date: Thu, 22 Oct 2015 03:47:39 -0500
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To: guix-devel@gnu.org, Paul van der Walt <paul@denknerd.org>

From: Eric Bavier <ericbavier@openmailbox.org>

> * gnu/packages/haskell.scm (ghc-regex-posix): New variable.
> ---
>  gnu/packages/haskell.scm | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
> index bff7a54..92345f0 100644
> --- a/gnu/packages/haskell.scm
> +++ b/gnu/packages/haskell.scm
> @@ -1692,6 +1692,28 @@ Both IPv4 and IPv6 are supported.")
>       "Interface API for regex-posix, pcre, parsec, tdfa, dfa.")
>      (license bsd-3)))
>  
> +(define-public ghc-regex-posix
> +  (package
> +    (name "ghc-regex-posix")
> +    (version "0.95.2")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (string-append
> +             "http://hackage.haskell.org/package/regex-posix/regex-posix-"
> +             version
> +             ".tar.gz"))
> +       (sha256
> +        (base32
> +         "0gkhzhj8nvfn1ija31c7xnl6p0gadwii9ihyp219ck2arlhrj0an"))))
> +    (build-system haskell-build-system)
> +    (inputs `(("ghc-regex-base" ,ghc-regex-base)))
> +    (home-page "http://sourceforge.net/projects/lazy-regex")
> +    (synopsis "Replaces/Enhances Text.Regex")

How about: "POSIX regular expressions for Haskell"

`~Eric

> +    (description "This library provides the posix regex backend used by
> +@code{regex-base}.")
> +    (license bsd-3)))
> +
>  (define-public ghc-regex-tdfa-rc
>    (package
>      (name "ghc-regex-tdfa-rc")
> -- 
> 2.5.0
>