#! /bin/sh

# Test the operation of the _AM_DIRNAME macro from m4/header.m4

. $srcdir/defs || exit 1

cat > configure.in << 'END'
AC_PLAIN_SCRIPT
echo "1 /a/path/to/a/file      = _AM_DIRNAME([/a/path/to/a/file])"
echo "2 another/path/to/a/file = _AM_DIRNAME([another/path/to/a/file])"
echo "3 file                   = _AM_DIRNAME([file])"
echo "4 //                     = _AM_DIRNAME([//])"
echo "5 //file                 = _AM_DIRNAME([//file])"
echo "6 /                      = _AM_DIRNAME([/])"
echo "7 /file                  = _AM_DIRNAME([/file])"
END

# Fail gracefully if no autoconf.
$needs_autoconf

$ACLOCAL || exit 1
$AUTOCONF || exit 1

# fail gracefully if autoconf didn't support AC_PLAIN_SCRIPT, because it won't
# support our regexps anyhow
test -s configure || exit 77

$SHELL ./configure >got || exit 1

cat >wanted <<EOF
1 /a/path/to/a/file      = /a/path/to/a
2 another/path/to/a/file = another/path/to/a
3 file                   = .
4 //                     = //
5 //file                 = //
6 /                      = /
7 /file                  = /
EOF

diff wanted got || exit 1

exit 0