t/comments-in-var-def.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Make sure Automake ignores in-line comments when using variables,
  18 # but preserve them in the output.
  19
  20 . test-init.sh
  21
  22 cat >> configure.ac <<'END'
  23 AC_OUTPUT
  24 END
  25
  26 # Use a slash in the comment, because automake takes the dirname
  27 # of TEXINFO_TEX to compute $(am__TEXINFO_TEX_DIR).
  28 cat > Makefile.am << 'END'
  29 TEXINFO_TEX = tex/texinfo.tex    # some comment w/ a slash
  30 info_TEXINFOS = main.texi
  31 .PHONY: test
  32 test:
  33         test tex/texinfo.tex = $(TEXINFO_TEX)
  34         test -d '$(am__TEXINFO_TEX_DIR)'
  35         case '$(am__TEXINFO_TEX_DIR)' in tex|./tex) :;; *) exit 1;; esac
  36 END
  37
  38 cat > main.texi << 'END'
  39 \input texinfo
  40 @setfilename main.info
  41 END
  42
  43 mkdir tex
  44 : > tex/texinfo.tex
  45
  46 $ACLOCAL
  47 $AUTOMAKE
  48
  49 grep TEX Makefile.in # For debugging.
  50 grep '^TEXINFO_TEX *= *tex/texinfo\.tex  *# some comment w/ a slash *$' Makefile.in
  51
  52 $AUTOCONF
  53 ./configure
  54 $MAKE test
  55
  56 :