#! /bin/sh
# Copyright (C) 2002-2022 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/>.

# Test to make sure Automake supports multiple derivations for the
# same suffix.
# From PR/37.

required='cc libtoolize'
. test-init.sh

plan_ 10

cat >>configure.ac <<'END'
AM_PROG_AR
AM_PROG_LIBTOOL
AC_OUTPUT
END

cat >Makefile.am << 'END'
# $(LINK) is not defined automatically by Automake, since the *_SOURCES
# variables don't contain any known extension (.c, .cc, .f ...),
# So we need this hack.
LINK = :

bin_PROGRAMS = foo
lib_LTLIBRARIES = libfoo.la

foo_SOURCES = foo.x_
libfoo_la_SOURCES = bar.x_

# The elaborate cp commands below account for VPATH issues on
# weaker make implementations (e.g. IRIX 6.5).
.x_.y_:
	cp `test -f '$<' || echo $(srcdir)/`$< $@
.y_.o:
	cp `test -f '$<' || echo $(srcdir)/`$< $@
.y_.obj:
	cp `test -f '$<' || echo $(srcdir)/`$< $@
.y_.z_:
	cp `test -f '$<' || echo $(srcdir)/`$< $@
.z_.lo:
	cp `test -f '$<' || echo $(srcdir)/`$< $@

# Some make implementations don't remove intermediate files
# automatically, thus causing "make distcheck" to fail if
# this is not added.
MOSTLYCLEANFILES = *.y_ *.z_

.PHONY: test0 test1 test2
test0:
	echo $(foo_OBJECTS) | grep '^foo\.foo$$'
	echo $(libfoo_la_OBJECTS) | grep '^bar\.lo$$'
test1:
	echo $(foo_OBJECTS) | grep '^foo\.$(OBJEXT)$$'
	echo $(libfoo_la_OBJECTS) | grep '^bar\.lo$$'
test2: $(foo_OBJECTS) $(libfoo_la_OBJECTS)
	test -f foo.$(OBJEXT)
	test -f bar.lo
check-local: test1 test2
END

echo 'int main (void) { return 0; }' > foo.x_
echo 'int bar (void) { return 0; }' > bar.x_

# We must protect the TAP driver from the output of configure, since
# that might output a stray "ok" on a line of its own (due to a
# libtool bug on Mac OS X), thus causing a spurious test result to
# be seen.  See automake bug#11897.
protect_output ()
{
  st=0; "$@" >output 2>&1 || st=1
  sed 's/^/  /' output
  test $st -eq 0
}

command_ok_ "libtoolize" libtoolize
command_ok_ "aclocal"    $ACLOCAL
command_ok_ "autoconf"   $AUTOCONF
command_ok_ "automake"   $AUTOMAKE -a
command_ok_ "configure"  protect_output ./configure
command_ok_ "make test0" run_make OBJEXT=foo test0
command_ok_ "make test1" $MAKE test1

directive=''; make_can_chain_suffix_rules || directive=TODO

for target in test2 all distcheck; do
  command_ok_ "make $target"  \
              -D "$directive" -r "suffix rules not chained" \
              protect_output $MAKE $target
done

: