MinGW/MSYS needs lib ws2_32 for proper operation of configure script.

AC_MSG_RESULT($need_no_undefined)

AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)

AC_MSG_CHECKING([if we need ws2_32 lib])

case $host in

  *-*-mingw* | *-*-pw32*)

    need_lib_ws2_32=yes

    LIBS="$LIBS -lws2_32"

    ;;

  *)

    need_lib_ws2_32=no

    ;;

esac

AC_MSG_RESULT($need_lib_ws2_32)

dnl Checks for header files.

AC_HEADER_STDC