[bug#41574] gnu: Add xev.

[elaexuotee--- via Guix-patches via <guix-patches@gnu.org>]

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Updated patch to fix three issues:

1) Change output name `doc' to `src' and install under src/<name>-<version>/,
2) Change output name `devel' to `lib', and
3) Delete extraneous *.py files from `lib' output.

However, in the course of the above, I ran into an issue with a
non-deterministic build. For now I'm sharing the current state of the patch but
am looking into fixing the determinism.


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From 4a4073c3b7ba588ab65c406d018336524a4c29b9 Mon Sep 17 00:00:00 2001
From: "B. Wilson" <elaexuotee@wilsonb.com>
Date: Thu, 28 May 2020 07:32:28 +0900
Subject: [PATCH] gnu: Add xed.

* gnu/packages/assembly.scm (xed): New variable.
---
 gnu/packages/assembly.scm | 96 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/gnu/packages/assembly.scm b/gnu/packages/assembly.scm
index c775603445..0af9f2a237 100644
--- a/gnu/packages/assembly.scm
+++ b/gnu/packages/assembly.scm
@@ -8,6 +8,7 @@
 ;;; Copyright © 2019 Andy Tai <atai@atai.org>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;; Copyright © 2020 Christopher Lemmer Webber <cwebber@dustycloud.org>
+;;; Copyright © 2020 B. Wilson <elaexuotee@wilsonb.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -47,6 +48,7 @@
   #:use-module (gnu packages texinfo)
   #:use-module (gnu packages python)
   #:use-module (gnu packages sphinx)
+  #:use-module (gnu packages shells)
   #:use-module (gnu packages xml)
   #:use-module ((guix utils)
                 #:select (%current-system)))
@@ -371,3 +373,97 @@ It understands mnemonics and generates code for NMOS 6502s (such
 as 6502A, 6504, 6507, 6510, 7501, 8500, 8501, 8502 ...),
  CMOS 6502s (65C02 and Rockwell R65C02) and the 65816.")
     (license license:gpl2)))
+
+(define-public xed
+  (package
+    (name "xed")
+    (version "11.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/intelxed/xed/archive/"
+                           version ".tar.gz"))
+       (sha256
+        (base32 "1dl23wxz0dlkbcw6k78njnz2yc8a8yr4lp979sd9x1lnz74malvi"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("python-2" ,python-2)
+       ("python-3" ,python-3)
+       ("tcsh" ,tcsh)
+       ("mbuild"
+        ,(let ((name "mbuild")
+               (version "0.2496"))
+           (origin
+             (method git-fetch)
+             (uri (git-reference
+                   (url "https://github.com/intelxed/mbuild.git")
+                   (commit "5304b94361fccd830c0e2417535a866b79c1c297")))
+             (sha256
+              (base32
+               "0r3avc3035aklqxcnc14rlmmwpj3jp09vbcbwynhvvmcp8srl7dl"))
+             (file-name (git-file-name name version)))))))
+    (outputs '("out" "lib" "src"))
+    (arguments
+     `(#:phases
+       ;; Upstream uses the custom Python build tool `mbuild', so we munge
+       ;; gnu-build-system to fit.  The build process for this package is
+       ;; documented at https://intelxed.github.io/build-manual/.
+       (let* ((build-dir "build")
+              (kit-dir "kit"))
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (replace 'build
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((mbuild (assoc-ref inputs "mbuild")))
+                 ;; The build system requires that `mbuild' be in a sibling
+                 ;; directory to the project's source.
+                 (symlink mbuild "../mbuild")
+                 (invoke "./mfile.py"
+                         (string-append "--build-dir=" build-dir)
+                         (string-append "--install-dir=" kit-dir)
+                         "examples"
+                         "doc"
+                         "install"))))
+           (replace 'check
+             (lambda _
+               (invoke "tests/run-cmd.py"
+                       ;; Skip broken test group `tests/tests-avx512pf'.
+                       (string-append "--build-dir=" kit-dir "/bin")
+                       "--tests" "tests/tests-base"
+                       "--tests" "tests/tests-avx512"
+                       "--tests" "tests/tests-cet"
+                       "--tests" "tests/tests-via"
+                       "--tests" "tests/tests-syntax"
+                       "--tests" "tests/tests-xop")))
+           (replace 'install
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (lib (assoc-ref outputs "lib"))
+                      (src (assoc-ref outputs "src"))
+                      (pkg (strip-store-file-name out))
+                      (src-dir (string-append src "/src/" pkg "/examples")))
+                 (copy-recursively (string-append kit-dir "/bin")
+                                   (string-append out "/bin"))
+                 (copy-recursively (string-append kit-dir "/examples") src-dir)
+                 (copy-recursively (string-append kit-dir "/include") src-dir)
+                 ;; Discard residual build system files.
+                 (for-each delete-file (find-files src-dir "\\.py$"))
+                 (copy-recursively (string-append kit-dir "/include")
+                                   (string-append lib "/include"))
+                 (copy-recursively (string-append kit-dir "/lib")
+                                   (string-append lib "/lib")))))))))
+    (home-page "https://intelxed.github.io/")
+    (synopsis "Encoder and decoder for x86 (IA32 and Intel64) instructions")
+    (description "The X86 Encoder Decoder (XED) is a software library and
+for encoding and decoding X86 (IA32 and Intel64) instructions.  The decoder
+takes sequences of 1-15 bytes along with machine mode information and produces
+a data structure describing the opcode, operands, and flags.  The encoder takes
+a similar data structure and produces a sequence of 1 to 15 bytes.  Disassembly
+is essentially a printing pass on the data structure.
+
+The library and development files are under the @code{lib} output, with a
+family of command line utility wrappers in the default output.  Each of the cli
+tools is named like @code{xed*}.  Documentation for the cli tools is sparse, so
+see the @code{src} output for the corresponding source code.")
+    (license license:asl2.0)))
-- 
2.26.2


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