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authorFederico Beffa <beffa@fbengineering.ch>2016-10-18 09:16:06 +0200
committerFederico Beffa <beffa@fbengineering.ch>2016-10-19 08:44:11 +0200
commit387541907fbd948cafad300b48dc8cc15cb1a6c3 (patch)
tree40c47419c82e37ef6048d1891c5f795c34e875bc /gnu
parent74f9c19092e6efeef5068dbf6d024c2554d45f07 (diff)
gnu: Add chez-matchable
* gnu/packages/chez.scm (chez-matchable): New variable.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/packages/chez.scm47
1 files changed, 47 insertions, 0 deletions
diff --git a/gnu/packages/chez.scm b/gnu/packages/chez.scm
index 3971535434..366923b6a0 100644
--- a/gnu/packages/chez.scm
+++ b/gnu/packages/chez.scm
@@ -352,3 +352,50 @@ programming in Scheme.")
(description "Chez-sockets is an extensible sockets library for
Chez Scheme.")
(license expat))))
+
+;; Help function for Chez Scheme to add the current path to
+;; CHEZSCHEMELIBDIRS.
+(define chez-configure
+ '(lambda _
+ (let ((chez-env (getenv "CHEZSCHEMELIBDIRS")))
+ (setenv "CHEZSCHEMELIBDIRS"
+ (if chez-env
+ (string-append ".:" chez-env)
+ "."))
+ #t)))
+
+;; Help function to define make flags for some Chez Scheme custom make
+;; files.
+(define (chez-make-flags name version)
+ `(let ((out (assoc-ref %outputs "out")))
+ (list (string-append "PREFIX=" out)
+ (string-append "DOCDIR=" out "/share/doc/"
+ ,name "-" ,version))))
+
+(define-public chez-matchable
+ (package
+ (name "chez-matchable")
+ (version "20160306")
+ (home-page "https://github.com/fedeinthemix/chez-matchable")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append home-page "/archive" "/v" version ".tar.gz"))
+ (sha256
+ (base32 "0cl4vc6487pikjq159pj4n5ghyaax31nywb5n4yn1682h3ir1hs0"))
+ (file-name (string-append name "-" version ".tar.gz"))))
+ (build-system gnu-build-system)
+ (inputs
+ `(("chez-srfi" ,chez-srfi))) ; for tests
+ (native-inputs
+ `(("chez-scheme" ,chez-scheme)))
+ (arguments
+ `(#:make-flags ,(chez-make-flags name version)
+ #:test-target "test"
+ #:phases (modify-phases %standard-phases
+ (replace 'configure ,chez-configure))))
+ (synopsis "Portable hygienic pattern matcher for Scheme")
+ (description "This package provides a superset of the popular Scheme
+@code{match} package by Andrew Wright, written in fully portable
+@code{syntax-rules} and thus preserving hygiene.")
+ (license public-domain)))