#! /bin/sh
# Copyright (C) 2006, 2007, 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 (libtool case).

required='libtoolize'
. ./defs || Exit 1

set -e

cat >> configure.in << 'END'
AC_PROG_CC
AM_PROG_CC_C_O
AM_PROG_AR
AM_PROG_LIBTOOL
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.la
END

cat >sub2/Makefile.am <<'END'
AUTOMAKE_OPTIONS = subdir-objects
noinst_LTLIBRARIES = libbaz.la
libbaz_la_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

echo 'extern int x;' > 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.in <<'END'
#include "ba3.h"
int ba3 (void) { return 0; }
END

libtoolize
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

st=0
for staticshared in --disable-shared "" --disable-static; do

  cp sub2/sub3/ba3.in sub2/sub3/ba3.c
  ./configure --enable-dependency-tracking $staticshared
  $MAKE

  # If we cannot enable dependency tracking, perform only the most basic
  # checks, and don't consider this test to be PASSed but SKIPped, because
  # the main purpose of this test is exposing the depmode features.
  if grep 'depmode=none' Makefile; then
    st=77
  else
    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.in >sub3/ba3.c
    $MAKE
    cd ..
  fi

  $MAKE distclean
  test ! -f sub2/sub3/ba3.u
  test ! -f sub2/sub3/ba3.d

  echo 'extern int x;' > sub2/sub3/ba3.h

done

Exit $st