#! /bin/sh
# Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007  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 ylwrap put in right location.
# Report from Tim Van Holder.
# Also make sure depcomp does not needlessly update headers.
# Report from Paolo Bonzini.

required='gcc bison GNUmake'
. ./defs || Exit 1

set -e

cat > configure.in << 'END'
AC_INIT([yacc6], [1.0])
AC_CONFIG_AUX_DIR([aux1])
AM_INIT_AUTOMAKE
AC_CONFIG_FILES([Makefile])
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_YACC
AC_CONFIG_FILES([sub/Makefile])
AC_OUTPUT
END

cat > Makefile.am << 'END'
SUBDIRS = sub

test-time-unchanged:
	test `ls -1t sub/main.$(OBJEXT) z | sed 1q` = z
test-time-changed:
	test `ls -1t sub/main.$(OBJEXT) z | sed 1q` = sub/main.$(OBJEXT)
END

mkdir aux1 sub

cat > sub/Makefile.am << 'END'
bin_PROGRAMS = foo bar
AM_YFLAGS = -d
foo_SOURCES = foo.y main.c
foo_CPPFLAGS = -DFOO
bar_SOURCES = bar.y main.c
BUILT_SOURCES = foo.h bar.h
END

cat > sub/foo.y << 'END'
%{
int yylex () {return 0;}
void yyerror (char *s) {}
%}
%token TOKEN
%%
foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
END

cp sub/foo.y sub/bar.y

cat >sub/main.c <<'EOF'
#ifdef FOO
#  include "foo.h"
#else
#  include "bar.h"
#endif

int
main()
{
  return 0;
}
EOF

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
test -f aux1/ylwrap
test ! -f ylwrap
test ! -f sub/ylwrap
$FGREP '(top_srcdir)/aux1/ylwrap' sub/Makefile.in
./configure
$MAKE
grep '#.*line.*foo.y' sub/foo.c
grep '#.*line.*bar.y' sub/bar.c

$sleep
: > z
$sleep
touch sub/bar.y
$MAKE
$MAKE test-time-unchanged
$sleep
sed s/TOKEN/TEKON/g sub/bar.y >sub/bar.yt
mv -f sub/bar.yt sub/bar.y
$MAKE
$MAKE test-time-changed