gnu: Add cl-ana.statistical-learning.

[jackhill/guix/guix.git] / gnu / packages / gperf.scm

diff --git a/gnu/packages/gperf.scm b/gnu/packages/gperf.scm
index 5e55f8d..e20c6bd 100644 (file)
--- a/gnu/packages/gperf.scm
+++ b/gnu/packages/gperf.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2017 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -36,7 +36,7 @@
         "1qispg6i508rq8pkajh26cznwimbnj06wq9sd85vg95v8nwld1aq"))))
     (build-system gnu-build-system)
     (arguments '(#:parallel-tests? #f))
-    (home-page "http://www.gnu.org/software/gperf/")
+    (home-page "https://www.gnu.org/software/gperf/")
     (synopsis "Perfect hash function generator")
     (description
      "gperf is a perfect hash function generator.  For a given list of
@@ -44,3 +44,18 @@ strings, it produces a hash function and hash table in C or C++ code.  That
 the hash function is perfect means that no collisions can exist and that
 look-ups can be made by single string comparisons.")
     (license gpl3+)))
+
+(define-public gperf-3.0
+  ;; This older version would use 'unsigned int' in its generated lookup
+  ;; functions whereas 3.1 uses 'size_t', which causes breakage such as
+  ;; <https://github.com/wingo/elogind/issues/8>.
+  (package
+    (inherit gperf)
+    (version "3.0.4")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnu/gperf/gperf-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "0gnnm8iqcl52m8iha3sxrzrl9mcyhg7lfrhhqgdn4zj00ji14wbn"))))))