AC_INIT(src/YSM_Main.c)
# give welcome
echo ""
echo ""
echo "ysmICQ client. [http://ysmv7.sourceforge.net]"
echo "raddy at gmx dot net"
echo ""

# do we have what we need?
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

# check missing posix types 
CHECK_POSIX_TYPES

# enable command line options.
ac_arg_threads="no"
ac_arg_readline="no"

AC_ARG_ENABLE([threads], 
	AC_HELP_STRING([--disable-threads],
	[disable threads support]),
	ac_arg_threads=$enableval, ac_arg_threads=yes)

AC_ARG_ENABLE([readline], 
	AC_HELP_STRING([--disable-readline],
	[do not try to use the readline library]),
	ac_arg_readline=$enableval, ac_arg_readline=yes)

##### fribidi #####

AC_ARG_WITH(fribidi,
	[  --with-fribidi=[DIR]	  enable the fribidi library in [DIR] to enable Hebrew and Arabic support],
	[with_fribidi=$withval],
	[with_fribidi=no])

if test "$with_fribidi" = "yes"; then
    for ac_dir in /usr/local /usr; do
        if test -f "$ac_dir/include/fribidi/fribidi.h"; then
            with_fribidi=$ac_dir
            break;
        fi
    done
fi

if test -n "$with_fribidi" -a "$with_fribidi" != "no"; then
    if test "$with_fribidi" = "yes"; then with_fribidi="/usr"; fi

    if test -r $with_fribidi/include/fribidi/fribidi.h; then
        LIBS="$LIBS `$with_fribidi/bin/fribidi-config --libs`"
        AC_DEFINE(USE_FRIBIDI, 1, [use fribidi])
    fi
fi

##### fribidi #####

AC_CACHE_CHECK([whether to enable threads support],
	ac_arg_threads, ac_arg_threads)

AC_CACHE_CHECK([whether to use the readline library],
	ac_arg_readline, ac_arg_readline)


# only check for readline if we have threads support
if test "x$ac_arg_threads" = "xyes"; then
	CHECK_POSIX_THREADS

	# check for readline if we have threads only
	if test "$pthread_libs" != "no" && test "x$ac_arg_readline" = "xyes";
	then
		CHECK_READLINE
	else
		vl_cv_lib_readline="no"
	fi
else
	vl_cv_lib_readline="no"
fi


# check for iconv
CHECK_ICONV

# check for setenv
CHECK_SETENV

# check for sparc required libraries
AC_CHECK_LIB([socket],
                [connect],
		LIBS="-lsocket $LIBS")
AC_CHECK_LIB([nsl],
                [gethostbyname],
		LIBS="-lnsl $LIBS")

# final checks

if test "$vl_cv_lib_readline" == "no"; then
	# are we using getline instead? do we have threads?
	if test "$pthread_libs"; then
		CMDOBJS="cmdline/getline.o $CMDOBJS"
	else
		# no threads, use ysmreadline!.
		CMDOBJS="cmdline/ysmline.o $CMDOBJS"
	fi
fi

AC_SUBST(pthread_libs)
AC_SUBST(CMDOBJS)
AC_STDC_HEADERS
AC_OUTPUT([Makefile src/Makefile src/man/Makefile])