101 lines
4.3 KiB
Scheme
101 lines
4.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
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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 flex)
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#:use-module (guix licenses)
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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 (gnu packages)
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#:use-module (gnu packages m4)
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#:use-module (gnu packages bison)
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#:use-module (gnu packages indent)
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#:use-module (srfi srfi-1))
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(define-public flex
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(package
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(name "flex")
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(version "2.6.0")
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(source (origin
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(method url-fetch)
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(uri (string-append "mirror://sourceforge/flex/flex-"
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version ".tar.bz2"))
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(patches (search-patches "flex-CVE-2016-6354.patch"))
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(sha256
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(base32
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"1sdqx63yadindzafrq1w31ajblf9gl1c301g068s20s7bbpi3ri4"))))
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(build-system gnu-build-system)
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(inputs
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(let ((bison-for-tests
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;; Work around an incompatibility with Bison 3.0:
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;; <http://lists.gnu.org/archive/html/bug-bison/2013-09/msg00014.html>.
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(package (inherit bison)
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(version "2.7.1")
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(source (origin
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(method url-fetch)
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(uri (string-append "mirror://gnu/bison/bison-"
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version ".tar.xz"))
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(sha256
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(base32
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"1yx7isx67sdmyijvihgyra1f59fwdz7sqriginvavfj5yb5ss2dl"))))
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;; Unlike Bison 3.0, this version did not need Flex for its
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;; tests, so it allows us to break the cycle.
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(inputs (alist-delete "flex" (package-inputs bison))))))
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`(("bison" ,bison-for-tests)
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("indent" ,indent))))
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;; m4 is not present in PATH when cross-building
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(native-inputs `(("m4" ,m4)))
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(propagated-inputs `(("m4" ,m4)))
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(home-page "http://flex.sourceforge.net/")
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(synopsis "Fast lexical analyser generator")
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(description
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"Flex is a tool for generating scanners. A scanner, sometimes
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called a tokenizer, is a program which recognizes lexical patterns in
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text. The flex program reads user-specified input files, or its standard
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input if no file names are given, for a description of a scanner to
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generate. The description is in the form of pairs of regular expressions
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and C code, called rules. Flex generates a C source file named,
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\"lex.yy.c\", which defines the function yylex(). The file \"lex.yy.c\"
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can be compiled and linked to produce an executable. When the executable
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is run, it analyzes its input for occurrences of text matching the
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regular expressions for each rule. Whenever it finds a match, it
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executes the corresponding C code.")
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(license (non-copyleft "file://COPYING"
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"See COPYING in the distribution."))))
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(define-public flex-2.6.1
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;; The kservice and solid packages use flex. extra-cmake-modules
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;; forces C89 for all C files for compatibility with windows.
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;; Flex 2.6.0 generates a lexer containing a single line comment. Single
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;; line comments are part of the C99 standard, so the lexer won't compile
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;; if C89 is used.
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(package
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(inherit flex)
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(version "2.6.1")
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(source (origin
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(method url-fetch)
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(uri (string-append
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"https://github.com/westes/flex"
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"/releases/download/v" version "/"
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"flex-" version ".tar.gz"))
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(sha256
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(base32
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"0fy14c35yz2m1n1m4f02by3501fn0cca37zn7jp8lpp4b3kgjhrw"))))))
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