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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages debug)
+ #:use-module (guix packages)
+ #:use-module (guix licenses)
+ #:use-module (guix download)
+ #:use-module (guix utils)
+ #:use-module (guix build-system gnu)
+ #:use-module (gnu packages bash)
+ #:use-module (gnu packages flex)
+ #:use-module (gnu packages indent)
+ #:use-module (gnu packages llvm)
+ #:use-module (gnu packages perl)
+ #:use-module (gnu packages pretty-print))
+
+(define-public delta
+ (package
+ (name "delta")
+ (version "2006.08.03")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (list
+ (string-append "http://ftp.de.debian.org/debian/pool/main/d/delta/"
+ "delta_" version ".orig.tar.gz")
+ ;; This uri seems to send guix download into an infinite loop
+ (string-append "http://delta.tigris.org/files/documents/3103/"
+ "33566/delta-" version ".tar.gz")))
+ (sha256
+ (base32
+ "184wh35pf2ddx97319s6sgkzpz48xxkbwzcjpycv009bm53lh61q"))))
+ (build-system gnu-build-system)
+ (inputs ;Installed programs are perl scripts
+ `(("perl" ,perl)))
+ (arguments
+ `(#:phases
+ (alist-replace
+ 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ ;; Makefile contains no install target
+ (let* ((out (assoc-ref outputs "out"))
+ (bin (string-append out "/bin"))
+ (doc (string-append out "/share/doc/delta-" ,version)))
+ (begin
+ (mkdir-p bin)
+ (mkdir-p doc)
+ (for-each (lambda (h)
+ (copy-file h (string-append doc "/" (basename h))))
+ `("License.txt" ,@(find-files "www" ".*\\.html")))
+ (for-each (lambda (b)
+ (copy-file b (string-append bin "/" b)))
+ `("delta" "multidelta" "topformflat")))))
+ (alist-delete 'configure %standard-phases))))
+ (home-page "http://delta.tigris.org/")
+ (synopsis "Heuristical file minimizer")
+ (description
+ "Delta assists you in minimizing \"interesting\" files subject to a test
+of their interestingness. A common such situation is when attempting to
+isolate a small failure-inducing substring of a large input that causes your
+program to exhibit a bug.")
+ ;; See License.txt, which is a bsd-3 license, despite the project's
+ ;; home-page pointing to a bsd-2 license.
+ (license bsd-3)))
+
+(define-public c-reduce
+ (package
+ (name "c-reduce")
+ (version "2.2.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (list
+ (string-append "http://embed.cs.utah.edu/creduce/"
+ "creduce-" version ".tar.gz")))
+ (sha256
+ (base32
+ "0wh0fkyg2l41d2wkndrgdiai9g2qiav7jik7cys21vmgzq01pyy2"))
+ (modules '((guix build utils)))
+ (snippet
+ '(substitute* "clang_delta/TransformationManager.cpp"
+ (("llvm/Config/config.h") "llvm/Config/llvm-config.h")))))
+ (build-system gnu-build-system)
+ (inputs
+ `(("astyle" ,astyle)
+ ("delta" ,delta)
+ ("llvm" ,llvm)
+ ("clang" ,clang)
+ ("flex" ,flex)
+ ("indent" ,indent)
+ ("perl" ,perl)
+ ("benchmark-timer" ,perl-benchmark-timer)
+ ("exporter-lite" ,perl-exporter-lite)
+ ("file-which" ,perl-file-which)
+ ("getopt-tabular" ,perl-getopt-tabular)
+ ("regex-common" ,perl-regexp-common)
+ ("sys-cpu" ,perl-sys-cpu)))
+ (arguments
+ `(#:phases (alist-cons-after
+ 'install 'set-load-paths
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ ;; Tell creduce where to find the perl modules it needs.
+ (let* ((out (assoc-ref outputs "out"))
+ (prog (string-append out "/bin/creduce")))
+ (wrap-program
+ prog
+ `("PERL5LIB" ":" prefix
+ ,(map (lambda (p)
+ (string-append (assoc-ref inputs p)
+ "/lib/perl5/site_perl/"
+ ,(package-version perl)))
+ '("benchmark-timer" "exporter-lite"
+ "file-which" "getopt-tabular"
+ "regex-common" "sys-cpu"))))))
+ %standard-phases)))
+ (home-page "http://embed.cs.utah.edu/creduce")
+ (synopsis "Reducer for interesting code")
+ (description
+ "C-Reduce is a tool that takes a large C or C++ program that has a
+property of interest (such as triggering a compiler bug) and automatically
+produces a much smaller C/C++ program that has the same property. It is
+intended for use by people who discover and report bugs in compilers and other
+tools that process C/C++ code.")
+ (license ncsa)))