#! /bin/sh

# This attempts to `make distcheck' from a separate directory
# (i.e. builddir!=srcdir).  Before doing `make distcheck' a parser
# definition is updated in the srcdir in order to check whether the
# archived perser is up-to-date or not.

. $srcdir/defs || exit 1

cat > configure.in << 'END'
AC_INIT
AM_INIT_AUTOMAKE(foo, 0.1)
PACKAGE=foo
VERSION=0.1
AC_PROG_CC
AC_PROG_YACC
AC_OUTPUT(Makefile)
END

cat > Makefile.am << 'END'
bin_PROGRAMS= foo
foo_SOURCES= parse.y foo.c
END

cat > parse.y << 'END'
%{
int yylex () {return 0;}
void yyerror (char *s) {}
%}
%%
foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
END

cat > foo.c << 'END'
int main () { return 0; }
END

# Fail gracefully if no autoconf.
$needs_autoconf
# Likewise for gcc.
(gcc -v) > /dev/null 2>&1 || exit 77

# Remove some files installed by defs.
# They will be reinstalled by automake.
rm -f install-sh missing mkinstalldirs

set -e

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

./configure
$MAKE
$MAKE distclean
# this should left parse.c in the current directory

cat >> parse.y << 'END'
fubar : 'f' foobar {};
END

mkdir sub
cd sub
../configure
$MAKE
$MAKE distcheck