t/yacc-d-vpath.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 # This test checks that dependent files are updated before including
  18 # in the distribution. 'parse.c' depends on 'parse.y'.  The latter is
  19 # updated so that 'parse.c' should be rebuilt.  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 'yaccvpath.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 AM_YFLAGS = -d
  40 END
  41
  42 # Original parser, with 'foobar'.
  43 cat > parse.y << 'END'
  44 %{
  45 int yylex () { return 0; }
  46 void yyerror (const char *s) {}
  47 %}
  48 %token FOOBAR
  49 %%
  50 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  51 END
  52
  53 cat > foo.c << 'END'
  54 #include "parse.h"
  55 int main () { return 0; }
  56 END
  57
  58 $ACLOCAL
  59 $AUTOCONF
  60 $AUTOMAKE -a
  61
  62 $YACC -d parse.y
  63 mv y.tab.c parse.c
  64 mv y.tab.h parse.h
  65 # Sanity checks.
  66 grep foobar parse.c
  67 grep FOOBAR parse.h
  68
  69 mkdir sub
  70 cd sub
  71 ../configure
  72
  73 $sleep
  74
  75 # New parser, with 'fubar'.
  76 cat > ../parse.y << 'END'
  77 %{
  78 int yylex () { return 0; }
  79 void yyerror (const char *s) {}
  80 %}
  81 %token FUBAR
  82 %%
  83 fubar : 'f' 'u' 'b' 'a' 'r' {};
  84 END
  85
  86 $MAKE
  87 $MAKE distdir
  88 $FGREP fubar $distdir/parse.c
  89 $FGREP FUBAR $distdir/parse.h
  90
  91 # Now check to make sure that 'make dist' will rebuild the parser.
  92
  93 $sleep
  94
  95 # New parser, with 'maude'.
  96 cat > ../parse.y << 'END'
  97 %{
  98 int yylex () { return 0; }
  99 void yyerror (const char *s) {}
 100 %}
 101 %token MAUDE
 102 %%
 103 maude : 'm' 'a' 'u' 'd' 'e' {};
 104 END
 105
 106 $MAKE distdir
 107 $FGREP maude $distdir/parse.c
 108 $FGREP MAUDE $distdir/parse.h
 109
 110 :