[PATCH 05/12] gnu: Add trivial-gray-streams.

[Andy Patterson]

* gnu/packages/lisp.scm (trivial-gray-streams)
  (trivial-gray-streams-sbcl, trivial-gray-streams-ecl): New variables.
---
 gnu/packages/lisp.scm | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index 91f24ca..da38ec2 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -653,3 +653,42 @@ support.")
     (propagated-inputs '())
     (arguments
      '(#:test-only-systems '("fiveam")))))
+
+(define-public trivial-gray-streams
+  (let ((revision "1")
+        (commit "0483ade330508b4b2edeabdb47d16ec9437ee1cb"))
+    (package
+      (name "trivial-gray-streams")
+      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri
+          (git-reference
+           (url 
"https://github.com/trivial-gray-streams/trivial-gray-streams.git";)
+           (commit commit)))
+         (sha256
+          (base32 "0m3rpf2x0zmdk3nf1qfa01j6a55vj7gkwhyw78qslcgbjlgh8p4d"))
+         (file-name (string-append name "-" version "-checkout"))))
+      (build-system asdf-build-system/source)
+      (synopsis "Compatibility layer for Gray streams implementations")
+      (description "Gray streams is an interface proposed for inclusion with
+ANSI CL by David N. Gray.  The proposal did not make it into ANSI CL, but most
+popular CL implementations implement it.  This package provides an extremely
+thin compatibility layer for gray streams.")
+      (home-page "http://www.cliki.net/trivial-gray-streams";)
+      (license license:x11))))
+
+(define-public trivial-gray-streams-sbcl
+  (package
+    (inherit trivial-gray-streams)
+    (name "trivial-gray-streams-sbcl")
+    (build-system asdf-build-system/sbcl)
+    (inputs `(("trivial-gray-streams" ,trivial-gray-streams)))))
+
+(define-public trivial-gray-streams-ecl
+  (package
+    (inherit trivial-gray-streams)
+    (name "trivial-gray-streams-ecl")
+    (build-system asdf-build-system/ecl)
+    (inputs `(("trivial-gray-streams" ,trivial-gray-streams)))))
-- 
2.10.0