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#! /bin/sh
# Copyright (C) 2011-2017 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# This test checks that dependent files are updated before including
# in the distribution. 'parse.c' depends on 'parse.y'. The latter is
# updated so that 'parse.c' should be rebuilt. Then we are running
# 'make' and 'make distdir' and check whether the version of 'parse.c'
# to be distributed is up to date.
# Please keep this in sync with sister test 'yaccvpath.sh'.
required='cc yacc'
. test-init.sh
cat >> configure.ac << 'END'
AC_PROG_CC
AC_PROG_YACC
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = foo
foo_SOURCES = parse.y foo.c
AM_YFLAGS = -d
END
# Original parser, with 'foobar'.
cat > parse.y << 'END'
%{
int yylex () { return 0; }
void yyerror (char *s) {}
%}
%token FOOBAR
%%
foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
END
cat > foo.c << 'END'
#include "parse.h"
int main () { return 0; }
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
$YACC -d parse.y
mv y.tab.c parse.c
mv y.tab.h parse.h
# Sanity checks.
grep foobar parse.c
grep FOOBAR parse.h
mkdir sub
cd sub
../configure
$sleep
# New parser, with 'fubar'.
cat > ../parse.y << 'END'
%{
int yylex () { return 0; }
void yyerror (char *s) {}
%}
%token FUBAR
%%
fubar : 'f' 'u' 'b' 'a' 'r' {};
END
$MAKE
$MAKE distdir
$FGREP fubar $distdir/parse.c
$FGREP FUBAR $distdir/parse.h
# Now check to make sure that 'make dist' will rebuild the parser.
$sleep
# New parser, with 'maude'.
cat > ../parse.y << 'END'
%{
int yylex () { return 0; }
void yyerror (char *s) {}
%}
%token MAUDE
%%
maude : 'm' 'a' 'u' 'd' 'e' {};
END
$MAKE distdir
$FGREP maude $distdir/parse.c
$FGREP MAUDE $distdir/parse.h
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