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build-system/haskell: install config for any package that creates it.

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A Cabal package is allowed to declare an "empty" library, in an
otherwise executable-only package, for the purpose of allowing Cabal
to use it as a dependency for other packages.  See e.g. hspec-discover.

* guix/build/haskell-build-system.scm (register): Unconditionally call
  setup script with "register", and install any config file generated.
This commit is contained in:
Eric Bavier 2015-06-06 07:28:57 -05:00
parent b4b1fe9d2f
commit 6508ce55e9
1 changed files with 4 additions and 4 deletions
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8
guix/build/haskell-build-system.scm
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@ -166,13 +166,13 @@ (define* (register #:key name system inputs outputs #:allow-other-keys)
(package-name-version haskell)
"/package.conf.d"))
(id-rx (make-regexp "^id: *(.*)$"))
(lib-rx (make-regexp "lib.*\\.(a|so)"))
(config-file (string-append config-dir "/" name ".conf"))
(config-file (string-append out "/" name ".conf"))
(params
(list (string-append "--gen-pkg-config=" config-file))))
(unless (null? (find-files lib lib-rx))
(run-setuphs "register" params)
;; The conf file is created only when there is a library to register.
(when (file-exists? config-file)
(mkdir-p config-dir)
(run-setuphs "register" params)
(let ((config-file-name+id
(call-with-ascii-input-file config-file (cut grep id-rx <>))))
(rename-file config-file