#! /bin/sh
# Copyright (C) 2003, 2004, 2009, 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/>.

# Test to make sure that adding a new directory works, even from
# subdirectories.  (subdir5.test makes sure it works when make
# is run from the top-level directory.)
# PR automake/46

# This test assumes that the `make' utility is able to start
# over and reload Makefiles which have been remade (a non-POSIX feature).
# See also the related test subdir5.test.
required='GNUmake gcc'
. ./defs || Exit 1

set -e

cat >> configure.in << 'END'
AC_PROG_CC
AM_PROG_CC_C_O
m4_include([confiles.m4])
MORE_DEFS
AC_OUTPUT
END

echo 'AC_CONFIG_FILES([sub/Makefile])' > confiles.m4

cat > Makefile.am << 'END'
SUBDIRS = sub
ACLOCAL_AMFLAGS = -I m4
END

mkdir sub

cat > sub/Makefile.am << 'END'
bin_PROGRAMS = wish
wish_SOURCES = a.c
END

cat > sub/a.c << 'END'
#include <stdio.h>
int main ()
{
   printf ("hi liver!\n");
   return 0;
}
END

mkdir m4
echo 'AC_DEFUN([MORE_DEFS], [])' > m4/moredefs.m4

$ACLOCAL -I m4
$AUTOCONF
$AUTOMAKE --copy --add-missing
./configure
$MAKE

# Now add new directories.

# The first step users typically do when adding a new subdir is
# editing configure.in.  That is already tested by subdir5.test,
# though, so here we try to just edit a file that is included by
# configure.in, without touching configure.in itself.

mkdir sub/maude
cat > sub/maude/Makefile.am << 'END'
include_HEADERS = foo.h
END

: > sub/maude/foo.h

echo 'SUBDIRS = maude' >> sub/Makefile.am

mkdir maude
: > maude/Makefile.am

# Update confiles.m4 *after* updating sub/Makefile.am; subdir5.test do
# it in the other way: it updates configure.in before Makefile.am.
# We sleep here because modified configure dependencies must be newer
# than config.status.
$sleep
echo 'AC_CONFIG_FILES([maude/Makefile sub/maude/Makefile])' >> confiles.m4

# We want a simple rebuild from sub/ to create sub/maude/Makefile
# and maude/Makefile automatically.
cd sub
$MAKE
cd ..
grep '^SUBDIRS = *maude *$' sub/Makefile.in
grep '^SUBDIRS = *maude *$' sub/Makefile
test -f maude/Makefile
test -f sub/maude/Makefile

# Make sure the dependencies of aclocal.m4 or honored at least from
# the top-level directory.
echo 'AC_DEFUN([MORE_DEFS], [AC_SUBST([GREPME])])' > m4/moredefs.m4
$MAKE

for ext in '.in' ''; do
  for d in . maude sub sub/maude; do
    grep '^GREPME =' $d/Makefile$ext
  done
done

: