t/yacc-vpath.sh

   1 #! /bin/sh
   2 # Copyright (C) 2001-2024 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 # This test checks that dependent files are updated before including
  18 # in the distribution. 'parse.c' depends on 'parse.y'. The later is
  19 # updated so that 'parse.c' should be rebuild. Then we are running
  20 # 'make' and 'make distdir' and check whether the version of 'parse.c'
  21 # to be distributed is up to date.
  22
  23 # Please keep this in sync with sister test 'yacc-d-vpath.sh'.
  24
  25 required='cc yacc'
  26 . test-init.sh
  27
  28 cat >> configure.ac << 'END'
  29 AC_PROG_CC
  30 AC_PROG_YACC
  31 AC_OUTPUT
  32 END
  33
  34 cat > Makefile.am << 'END'
  35 AM_LFLAGS = --never-interactive
  36
  37 bin_PROGRAMS = foo
  38 foo_SOURCES = parse.y foo.c
  39 END
  40
  41 # Original parser, with 'foobar'.
  42 cat > parse.y << 'END'
  43 %{
  44 int yylex () { return 0; }
  45 void yyerror (const char *s) {}
  46 %}
  47 %%
  48 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  49 END
  50
  51 cat > foo.c << 'END'
  52 int main () { return 0; }
  53 END
  54
  55 $ACLOCAL
  56 $AUTOCONF
  57 $AUTOMAKE -a
  58
  59 $YACC parse.y
  60 mv y.tab.c parse.c
  61
  62 mkdir sub
  63 cd sub
  64 ../configure
  65
  66 $sleep
  67
  68 # New parser, with 'fubar'.
  69 cat > ../parse.y << 'END'
  70 %{
  71 int yylex () { return 0; }
  72 void yyerror (const char *s) {}
  73 %}
  74 %%
  75 fubar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  76 END
  77
  78 $MAKE
  79 $MAKE distdir
  80 $FGREP fubar $distdir/parse.c
  81
  82 # Now check to make sure that 'make dist' will rebuild the parser.
  83
  84 $sleep
  85
  86 # New parser, with 'maude'.
  87 cat > ../parse.y << 'END'
  88 %{
  89 int yylex () { return 0; }
  90 void yyerror (const char *s) {}
  91 %}
  92 %%
  93 maude : 'm' 'a' 'u' 'd' 'e' {};
  94 END
  95
  96 $MAKE distdir
  97 $FGREP maude $distdir/parse.c
  98
  99 :