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bc511a64f6
Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
169 lines
3.9 KiB
Text
169 lines
3.9 KiB
Text
;;; make.by -- BY notation for Makefiles.
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;; Copyright (C) 1999-2017 Free Software Foundation, Inc.
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;;
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;; Author: Eric M. Ludlam <zappo@gnu.org>
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;; David Ponce <david@dponce.com>
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;; Klaus Berndl <klaus.berndl@sdm.de>
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;;
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it 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
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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%package semantic-make-by
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%provide semantic/bovine/make-by
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%languagemode makefile-mode
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%start Makefile
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;; This was always a test case.
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%quotemode backquote
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%token IF "if"
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%token IFDEF "ifdef"
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%token IFNDEF "ifndef"
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%token IFEQ "ifeq"
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%token IFNEQ "ifneq"
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%token ELSE "else"
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%token ENDIF "endif"
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%token INCLUDE "include"
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%put { IF ELSE ENDIF } summary "Conditional: if (expression) ... else ... endif"
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%put IFDEF summary "Conditional: ifdef (expression) ... else ... endif"
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%put IFNDEF summary "Conditional: ifndef (expression) ... else ... endif"
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%put IFEQ summary "Conditional: ifeq (expression) ... else ... endif"
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%put IFNEQ summary "Conditional: ifneq (expression) ... else ... endif"
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%put INCLUDE summary "Macro: include filename1 filename2 ..."
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%token <punctuation> COLON "\\`[:]\\'"
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%token <punctuation> PLUS "\\`[+]\\'"
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%token <punctuation> EQUAL "\\`[=]\\'"
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%token <punctuation> DOLLAR "\\`[$]\\'"
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%token <punctuation> BACKSLASH "\\`[\\]\\'"
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%%
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Makefile : bol newline (nil)
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| bol variable
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( ,@$2 )
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| bol rule
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( ,@$2 )
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| bol conditional
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( ,@$2 )
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| bol include
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( ,@$2 )
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| whitespace ( nil )
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| newline ( nil )
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;
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variable: symbol opt-whitespace equals opt-whitespace element-list
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(VARIABLE-TAG ,$1 nil ,$5)
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;
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rule: targets opt-whitespace colons opt-whitespace element-list commands
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(FUNCTION-TAG ,$1 nil ,$5)
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;
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targets: target opt-whitespace targets
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( (car ,$1) (car ,@$3) )
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| target
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( (car ,$1) )
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;
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target: sub-target target
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( (concat (car ,$1) (car ,@$3) ) )
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| sub-target
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( (car ,$1) )
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;
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sub-target: symbol
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| string
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| varref
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;
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conditional: IF some-whitespace symbol newline
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( nil )
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| IFDEF some-whitespace symbol newline
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( nil )
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| IFNDEF some-whitespace symbol newline
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( nil )
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| IFEQ some-whitespace expression newline
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( nil )
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| IFNEQ some-whitespace expression newline
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( nil )
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| ELSE newline
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( nil )
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| ENDIF newline
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( nil )
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;
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expression : semantic-list
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;
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include: INCLUDE some-whitespace element-list
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(INCLUDE-TAG ,$3 nil)
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;
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equals: COLON EQUAL ()
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| PLUS EQUAL ()
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| EQUAL ()
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;
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colons: COLON COLON ()
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| COLON ()
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;
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element-list: elements newline
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( ,@$1 )
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;
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elements: element some-whitespace elements
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( ,@$1 ,@$3 )
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| element
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( ,@$1 )
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| ;;EMPTY
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;
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element: sub-element element
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( (concat (car ,$1) (car ,$2)) )
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| ;;EMPTY
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;
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sub-element: symbol
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| string
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| punctuation
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| semantic-list
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( (buffer-substring-no-properties
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(identity start) (identity end)) )
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;
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varref: DOLLAR semantic-list
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( (buffer-substring-no-properties (identity start) (identity end)) )
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;
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commands: bol shell-command newline commands
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( ,$1 ,@$2 )
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| ;;EMPTY
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( )
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;
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opt-whitespace : some-whitespace ( nil )
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| ;;EMPTY
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;
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some-whitespace : whitespace some-whitespace (nil)
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| whitespace (nil)
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;
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;;; make.by ends here
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