#! /bin/sh

# Make sure that Automake choose the shorter route between suffixes
# (related to PR/37)

. $srcdir/defs || exit 1

set -e

echo AC_PROG_CC >>configure.in

#  x_ -> y -> c -> o
#   \________/
#
# Automake should follow the bottom route: x_ -> c -> o because
# it is shorter.
#
# It should not take the "-> y ->" route.  We use `y' here so that
# then Automake will complains that YACC is not defined and the test will
# fail when this happens.

cat >Makefile.am << 'END'
bin_PROGRAMS = foo
foo_SOURCES = foo.x_

.x_.y:
	cp $< $@
.x_.c:
	cp $< $@
END

$ACLOCAL
$AUTOMAKE -a

# Idem with the rules the another order.

cat >Makefile.am << 'END'
bin_PROGRAMS = foo
foo_SOURCES = foo.x_

.x_.c:
	cp $< $@
.x_.y:
	cp $< $@
END

$AUTOMAKE -a