Subject: [PATCH 1/3] gnu: Add guile-simple-zmq.

From: Rouby Pierre-Antoine <[email-masked]>
Date: Mon, 14 May 2018 11:07:51 +0200

* gnu/package/guile.scm (guile-simple-zmq): New variable.
---
 gnu/packages/guile.scm | 87 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm
index 2af6f875e..9df59ba1d 100644
--- a/gnu/packages/guile.scm
+++ b/gnu/packages/guile.scm
@@ -66,6 +66,8 @@
   #:use-module (gnu packages version-control)
   #:use-module (gnu packages xdisorg)
   #:use-module (gnu packages xorg)
+  #:use-module (gnu packages networking)
+  #:use-module (gnu packages tls)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
@@ -2093,4 +2095,89 @@ It has a nice, simple s-expression based syntax.")
      "Guile-colorized provides you with a colorized REPL for GNU Guile.")
     (license license:gpl3+)))
 
+(define-public guile-simple-zmq
+  (package
+    (name "guile-simple-zmq")
+    (version "0.0.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/jerry40/guile-simple-zmq")
+             (commit "d76657aeb1cd10ef8136edc06bb90999914c7c3c")))
+       (sha256
+        (base32
+         "1w73dy5gpyv33jn34dqlkqpwh9w4y8wm6hgvbpb3wbp6xsa2mk4z"))))
+    (build-system trivial-build-system)
+    (arguments
+     `(#:modules ((guix build utils))
+       #:builder
+       (begin
+         (use-modules (guix build utils)
+                      (srfi srfi-26)
+                      (ice-9 match)
+                      (ice-9 popen)
+                      (ice-9 rdelim))
+
+         (let* ((out (assoc-ref %outputs "out"))
+                (guile (assoc-ref %build-inputs "guile"))
+                (effective (read-line
+                            (open-pipe* OPEN_READ
+                                        (string-append guile "/bin/guile")
+                                        "-c" "(display (effective-version))")))
+                (module-dir (string-append out "/share/guile/site/"
+                                           effective))
+                (go-dir     (string-append out "/lib/guile/"
+                                           effective "/site-ccache/"))
+                (source     (string-append (assoc-ref %build-inputs "source")
+                                           "/src"))
+                (scm-file "simple-zmq.scm")
+                (guild (string-append (assoc-ref %build-inputs "guile")
+                                      "/bin/guild"))
+                (zmq  (assoc-ref %build-inputs "zeromq"))
+                (deps (list zmq))
+                (path (string-join
+                       (map (cut string-append <>
+                                 "/lib/")
+                            deps)
+                       ":")))
+           ;; Make installation directories.
+           (mkdir-p module-dir)
+           (mkdir-p go-dir)
+
+           ;; Compile .scm files and install.
+           (chdir source)
+           (setenv "GUILE_AUTO_COMPILE" "0")
+           (for-each (lambda (file)
+                       (let* ((dest-file (string-append module-dir "/"
+                                                        file))
+                              (go-file (match (string-split file #\.)
+                                         ((base _)
+                                          (string-append go-dir "/"
+                                                         base ".go")))))
+                         ;; Install source module.
+                         (copy-file file dest-file)
+                         (substitute* dest-file
+                           (("\\(dynamic-link \"libzmq\"\\)")
+                            (format #f "(dynamic-link \"~a/lib/libzmq.so\")"
+                                    (assoc-ref %build-inputs "zeromq"))))
+
+                         ;; Install and compile module.
+                         (unless (zero? (system* guild "compile"
+                                                 "-L" source
+                                                 "-o" go-file
+                                                 dest-file))
+                           (error (format #f "Failed to compile ~s to ~s!"
+                                          file go-file)))))
+                     (list scm-file))
+           #t))))
+    (propagated-inputs
+     `(("guile" ,guile-2.2)
+       ("zeromq" ,zeromq)))
+    (home-page "https://github.com/jerry40/guile-simple-zmq")
+    (synopsis "Guile wrapper over ZeroMQ library")
+    (description
+     "This package is Guile wrapper over ZeroMQ library.")
+    (license license:gpl3+)))
+
 ;;; guile.scm ends here
-- 
2.17.0