From 199da208eddc19a93e50e193f286875010aa77cf Mon Sep 17 00:00:00 2001
From: Martin Becze <mjbecze@riseup.net>
Date: Tue, 8 Sep 2020 10:59:44 -0500
Subject: gnu: Add guile-machine-code.

* gnu/packages/guile-xyz.scm (guile-machine-code): New variable.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
---
 gnu/packages/guile-xyz.scm | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'gnu/packages/guile-xyz.scm')

diff --git a/gnu/packages/guile-xyz.scm b/gnu/packages/guile-xyz.scm
index 4bfc86a073..fc164d7127 100644
--- a/gnu/packages/guile-xyz.scm
+++ b/gnu/packages/guile-xyz.scm
@@ -3911,3 +3911,51 @@ more objects or strings, represented by a Json object or an IRI.")
      "This is an R6RS library for working with packed byte structures.  It is
 similar to struct in Python or pack and unpack in Perl.")
     (license license:expat)))
+
+(define-public guile-machine-code
+  (package
+    (name "guile-machine-code")
+    (version "2.1.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/weinholt/machine-code")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0wzj3caj2jypzyjqfkfqkvr3kkbjabsnhldv9kvnx9w9qnria5yd"))))
+    (build-system guile-build-system)
+    (arguments
+     `(#:compile-flags '("--r6rs" "-Wunbound-variable" "-Warity-mismatch")
+       #:modules ((guix build guile-build-system)
+                  (guix build utils)
+                  (srfi srfi-26)
+                  (ice-9 ftw))
+       #:phases (modify-phases %standard-phases
+                  (add-before 'build 'move-sls-files
+                    (lambda _
+                      ;; Move files under a struct/ directory to reflect the
+                      ;; module hierarchy.
+                      (define dst-folder "machine-code")
+                      (define (target file)
+                        (string-append dst-folder "/" file))
+                      (define files
+                        (scandir "." (negate (cut member <> '("." "..")))))
+                      (mkdir dst-folder)
+                      (for-each (lambda (file)
+                                  (rename-file file (target file)))
+                                files)
+                      #t)))))
+    (native-inputs
+     `(("guile" ,guile-3.0)))
+    (propagated-inputs
+     `(("guile-struct-pack" ,guile-struct-pack)))
+    (home-page "https://github.com/weinholt/machine-code")
+    (synopsis "Tools that relate to machine code and object formats")
+    (description
+     "This project is about the development of tools that relate to machine
+code and object formats; for all architectures.  Here you'll find libraries
+for working with binary code: assembly, disassembly, instruction tables,
+object formats and related areas.")
+    (license license:expat)))
-- 
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