On 2015-10-22 at 10:47, quoth address@hidden:
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-before
+ 'configure 'update-cabal
+ ;; the cabal file on hackage is updated, but the tar.gz
does not
+ ;; include it.
+ (lambda* _
+ (copy-file (assoc-ref %build-inputs
"ghc-split-cabal-update")
+ "split.cabal"))))))
(inputs
- `(("ghc-quickcheck" ,ghc-quickcheck)))
+ `(("ghc-quickcheck" ,ghc-quickcheck)
+ ("ghc-split-cabal-update"
+ ,(origin
+ (method url-fetch)
+ (uri (string-append
+ "https://hackage.haskell.org/package/split-"
+ version "/revision/1.cabal"))
+ (sha256
+ (base32
+
"1i1h5v1zqvganhzy1wdd9r648yjpir078n0g8051njg82h2f964h"))))))
(home-page "http://hackage.haskell.org/package/split")
(synopsis
"Combinator library for splitting lists")
Similarly to the xmonad cabal patch, perhaps this could be addressed
with
#:configure-flags '("--allow-newer=base")
Nope, that option doesn't exist, i've checked.
with an appropriate comment. Otherwise using an origin snippet.
I've made it into a (substitute* "split.cabal" ..) which simply updates
the version number of base ("base <4.8" → "base <4.9"), in accordance
with the change on Hackage. A comment is provided.