#! /bin/sh
# Copyright (C) 2006, 2010, 2011 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 <http://www.gnu.org/licenses/>.

# Check dependency generation (non libtool case).

. ./defs || Exit 1

set -e

cat >> configure.in << 'END'
AC_PROG_CC
AM_PROG_CC_C_O
AM_PROG_AR
AC_PROG_RANLIB
AC_CONFIG_FILES([sub2/Makefile])
AC_OUTPUT
END

mkdir sub sub2 sub2/sub3

cat >Makefile.am <<'END'
SUBDIRS = sub2
bin_PROGRAMS = foo
foo_SOURCES = foo.c sub/bar.c foo.h sub/bar.h
foo_LDADD = sub2/libbaz.a
END

cat >sub2/Makefile.am <<'END'
AUTOMAKE_OPTIONS = subdir-objects
noinst_LIBRARIES = libbaz.a
libbaz_a_SOURCES = baz.c sub3/ba3.c baz.h sub3/ba3.h
END

cat >foo.c <<'END'
#include "foo.h"
#include "sub2/baz.h"
#include <stdlib.h>
int main (void) { printf ("foo"); return bar () + baz (); }
END

cat >foo.h <<'END'
#include <stdio.h>
#include "sub/bar.h"
END

cat >sub/bar.c <<'END'
#include "sub/bar.h"
int bar (void) { return 0; }
END

touch sub2/sub3/ba3.h

cat >sub/bar.h <<'END'
#include <stdio.h>
extern int bar (void);
END

cat >sub2/baz.c <<'END'
#include "baz.h"
int baz (void) { return 0; }
END

cat >sub2/baz.h <<'END'
extern int baz (void);
END

cat >sub2/sub3/ba3.c <<'END'
#include "ba3.h"
int ba3 (void) { return 0; }
END

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

./configure --enable-dependency-tracking
$MAKE

# Check that dependency tracking works.
if grep 'depmode=none' Makefile; then
  Exit 77
fi

cd sub2
$sleep
echo 'choke me' > sub3/ba3.h
# Do not use `$MAKE && Exit 1' here, since even relatively-recent
# versions of the BSD shell wrongly exit when the `errexit' shell
# flag is active if a command within "&&" fails inside a compound
# statement.
if $MAKE; then Exit 1; else :; fi

# Ensure the deleted header bug is fixed.
rm -f sub3/ba3.h
sed 1d sub3/ba3.c >sub3/ba3.t
mv -f sub3/ba3.t sub3/ba3.c
$MAKE

: