t/yacc-pr204.sh

   1 #! /bin/sh
   2 # Copyright (C) 2002-2024 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 # For PR 204.
  18 # C sources derived from nodist_ yacc sources should not be distributed.
  19 # See also related test 'yacc-nodist.sh'.
  20 # The tests 'lex-nodist.sh' and 'lex-pr204.sh' does similar checks
  21 # for lex-generated C files.
  22
  23 required='cc yacc'
  24 . test-init.sh
  25
  26 cat >> configure.ac <<'EOF'
  27 AM_MAINTAINER_MODE
  28 AC_PROG_CC
  29 AC_PROG_YACC
  30 AC_OUTPUT
  31 EOF
  32
  33 # The PARSE2 intermediate variable is there to make
  34 # sure Automake match 'nodist_' against the right
  35 # variable name...
  36 cat > Makefile.am << 'EOF'
  37 AM_LFLAGS = --never-interactive
  38
  39 AM_YFLAGS = -d
  40 EXTRA_PROGRAMS = foo
  41 PARSE2 = parse2.y
  42 nodist_foo_SOURCES = parse.y $(PARSE2)
  43
  44 distdirtest: distdir
  45         test ! -f $(distdir)/parse.c
  46         test ! -f $(distdir)/parse.y
  47         test ! -f $(distdir)/parse.h
  48         test ! -f $(distdir)/parse2.c
  49         test ! -f $(distdir)/parse2.y
  50         test ! -f $(distdir)/parse2.h
  51 EOF
  52
  53 cat > parse.y << 'END'
  54 %{
  55 int yylex () {return 0;}
  56 void yyerror (const char *s) {}
  57 %}
  58 %%
  59 maude : 'm' 'a' 'u' 'd' 'e' {};
  60 END
  61
  62 cp parse.y parse2.y
  63
  64 $ACLOCAL
  65 $AUTOCONF
  66 $AUTOMAKE -a
  67
  68 ./configure
  69 $MAKE distdirtest
  70
  71 # Make sure parse.c and parse2.c are still targets.
  72 $MAKE parse.c parse2.c
  73 test -f parse.c
  74 test -f parse2.c
  75
  76 # Ensure the rebuild rule works despite AM_MAINTAINER_MODE, because
  77 # it's a nodist_ parser.
  78 $sleep
  79 touch parse.y parse2.y
  80 $sleep
  81 $MAKE parse.c parse2.c
  82 is_newest parse.c parse.y
  83 is_newest parse2.c parse2.y
  84
  85 :