#! /bin/sh

# Test to make sure intermediate .h file is not generated nor removed
# if (AM_)?YFLAGS do not contain -d.  Requested by Jim Meyering.

. $srcdir/defs || exit 1

cat >> configure.in << 'END'
AC_PROG_CC
AC_PROG_YACC
END

cat > Makefile.am <<'END'
bin_PROGRAMS = zardoz
zardoz_SOURCES = zardoz.y
END

# Don't redefine several times the same variable.
cp Makefile.am Makefile.src




$ACLOCAL || exit 1
$AUTOMAKE || exit 1

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && exit 1



cp Makefile.src Makefile.am
echo 'AM_YFLAGS = -d' >> Makefile.am

$AUTOMAKE || exit 1

# If zardoz.h is NOT mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null || exit 1



cp Makefile.src Makefile.am
echo 'AM_YFLAGS = ' >> Makefile.am

$AUTOMAKE || exit 1

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && exit 1



cp Makefile.src Makefile.am
echo 'YFLAGS = -d' >> Makefile.am

$AUTOMAKE || exit 1

# If zardoz.h is NOT mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null || exit 1



cp Makefile.src Makefile.am
echo 'YFLAGS = ' >> Makefile.am

$AUTOMAKE || exit 1

# If zardoz.h IS mentioned, fail
grep 'zardoz.h' Makefile.in > /dev/null && exit 1

exit 0