231/290: gnu: Add libyaml@2.1.

[guix-commits]

samplet pushed a commit to branch wip-haskell-updates
in repository guix.

commit 2e50b023f0ceb4d9f58d930f9b17e2900bfd190b
Author: Timothy Sample <address@hidden>
Date:   Sat Nov 2 01:08:36 2019 -0400

    gnu: Add libyaml@2.1.
    
    * gnu/packages/web.scm (libyaml-2.1): New variable.
---
 gnu/packages/web.scm | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 45ae63f..5ba0a91 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -1193,6 +1193,20 @@ hash/signatures.")
      "LibYAML is a YAML 1.1 parser and emitter written in C.")
     (license license:expat)))
 
+(define-public libyaml-2.1
+  (package
+    (inherit libyaml)
+    (version "0.2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://pyyaml.org/download/libyaml/yaml-";
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "1karpcfgacgppa82wm2drcfn2kb6q2wqfykf5nrhy20sci2i2a3q"))))))
+
 (define-public libquvi-scripts
   (package
     (name "libquvi-scripts")