aac3a33d1e
Apply a patch backported from Ragel's "ragel-6" branch that allows it to reliably generate usable code on aarch64-linux where the C/C++ "char" type is unsigned by default, fixing the build of Knot on this platform. * gnu/packages/patches/ragel-char-signedness.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/ragel.scm (ragel)[arguments]: Add custom phase for AArch64 that applies the patch. [native-inputs]: Add "patch" and patch file on AArch64. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
77 lines
3.2 KiB
Scheme
77 lines
3.2 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2021 Simon South <simon@simonsouth.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu packages ragel)
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#:use-module ((guix licenses) #:prefix license:)
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#:use-module (guix packages)
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#:use-module (guix download)
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#:use-module (guix build-system gnu)
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#:use-module (guix utils)
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#:use-module (gnu packages)
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#:use-module (gnu packages base))
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(define-public ragel
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(package
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(name "ragel")
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(version "6.10")
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(source (origin
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(method url-fetch)
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(uri (string-append "https://www.colm.net/files/ragel/ragel-"
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version ".tar.gz"))
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(sha256
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(base32
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"0gvcsl62gh6sg73nwaxav4a5ja23zcnyxncdcdnqa2yjcpdnw5az"))))
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(build-system gnu-build-system)
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(arguments
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(if (target-aarch64?)
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'(#:phases
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(modify-phases %standard-phases
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(add-after 'unpack 'apply-char-signedness-fix
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;; Apply a backported fix for aarch64-linux, where the C/C++
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;; "char" type is unsigned by default.
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;;
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;; The patch is applied in this custom phase and not via the
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;; "origin" object above to avoid rebuilding a large number of
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;; packages on other platforms.
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(lambda _
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(let ((patch
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(search-input-file %build-inputs "/bin/patch"))
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(char-signedness-patch
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(assoc-ref %build-inputs "char-signedness-patch")))
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(invoke patch "-p1" "-i" char-signedness-patch))))))
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'()))
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(native-inputs
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(if (target-aarch64?)
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`(("char-signedness-patch"
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,(search-patch "ragel-char-signedness.patch"))
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("patch" ,patch))
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'()))
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(home-page "https://www.colm.net/open-source/ragel/")
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(synopsis "State machine compiler")
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(description
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"Ragel compiles executable finite state machines from regular languages.
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Ragel targets C, C++, Obj-C, C#, D, Java, Go and Ruby. Ragel state machines
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can not only recognize byte sequences as regular expression machines do, but
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can also execute code at arbitrary points in the recognition of a regular
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language. Code embedding is done using inline operators that do not disrupt
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the regular language syntax.")
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;; GPLv2 (or later) with exception for generated code.
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(license license:gpl2+)))
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