01/03: gnu: Add ruby-pkg-config.

[Ben Woodcroft]

benwoodcroft pushed a commit to branch master
in repository guix.

commit 2de61e340c286b036d4cb8dea91c0f8709aac0bf
Author: Ben J Woodcroft <address@hidden>
Date:   Mon Aug 1 11:52:52 2016 +1000

    gnu: Add ruby-pkg-config.
    
    * gnu/packages/ruby.scm (ruby-pkg-config): New variable.
---
 gnu/packages/ruby.scm |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 028b82d..bc7afa6 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -4116,3 +4116,25 @@ inspired by Erlang, Clojure, Go, JavaScript, actors and 
classic concurrency
 patterns.")
     (home-page "http://www.concurrent-ruby.com";)
     (license license:expat)))
+
+(define-public ruby-pkg-config
+  (package
+    (name "ruby-pkg-config")
+    (version "1.1.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "pkg-config" version))
+       (sha256
+        (base32
+         "0lljiqnm0b4z6iy87lzapwrdfa6ps63x2z5zbs038iig8dqx2g0z"))))
+    (build-system ruby-build-system)
+    (arguments
+     ;; Tests require extra files not included in the gem.
+     `(#:tests? #f))
+    (synopsis "Detect libraries for compiling Ruby native extensions")
+    (description
+     "@code{pkg-config} can be used in your extconf.rb to properly detect need
+libraries for compiling Ruby native extensions.")
+    (home-page "https://github.com/ruby-gnome2/pkg-config";)
+    (license license:lgpl2.0+)))