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dnl This file is intended for use both internally in libgtop and in every program
dnl that wants to use it.
dnl
dnl It defines the following variables:
dnl
dnl * 'libgtop_sysdeps_dir'    - sysdeps dir for libgtop.
dnl * 'libgtop_use_machine_h'  - some of system dependend parts of libgtop provide
dnl                              their own header file. In this case we need to
dnl                              define 'HAVE_GLIBTOP_MACHINE_H'.
dnl * 'libgtop_need_server'    - is the server really needed? Defines 'NEED_LIBGTOP'
dnl                              if true; defines conditional 'NEED_LIBGTOP'.

AC_DEFUN([GNOME_LIBGTOP_SYSDEPS],[
    AC_REQUIRE([AC_CANONICAL_HOST])

    AC_SUBST(libgtop_sysdeps_dir)
    AC_SUBST(libgtop_use_machine_h)
    AC_SUBST(libgtop_need_server)

    AC_MSG_CHECKING(for libgtop sysdeps directory)

    AC_ARG_WITH(sysdeps,
    [  --with-sysdeps=dir      which sysdeps directory should be used [default=auto]],
    [if test "x$withval" = "xyes" ; then
       ac_cv_sysdeps_dir=yes
     elif test "x$withval" = "xauto" ; then
       ac_cv_sysdeps_dir=yes
     else
       ac_cv_sysdeps_dir=$withval
     fi],[ac_cv_sysdeps_dir=yes])

    if test "x$ac_cv_sysdeps_dir" = "xyes" ; then
      case "$host_os" in
      linux*)
        libgtop_sysdeps_dir=linux
        libgtop_use_machine_h=no
        libgtop_need_server=no
        ;;
      sunos4*)
        libgtop_sysdeps_dir=sun4
        libgtop_use_machine_h=no
        libgtop_need_server=yes
        ;;
      osf*)
        libgtop_sysdeps_dir=osf1
        libgtop_use_machine_h=yes
        libgtop_need_server=yes
        ;;
      *)
        libgtop_sysdeps_dir=stub
        libgtop_use_machine_h=no
        libgtop_need_server=no
        ;;
      esac
    else
      libgtop_sysdeps_dir=stub
      libgtop_use_machine_h=no
      libgtop_need_server=no
    fi

    AC_MSG_RESULT($libgtop_sysdeps_dir)

    AC_MSG_CHECKING(for machine.h in libgtop sysdeps dir)
    AC_MSG_RESULT($libgtop_use_machine_h)

    AC_MSG_CHECKING(whether we need libgtop)
    AC_MSG_RESULT($libgtop_need_server)

    if test x$libgtop_need_server = xyes ; then
      AC_DEFINE(NEED_LIBGTOP)
    fi

    if test x$libgtop_use_machine_h = xyes ; then
      AC_DEFINE(HAVE_GLIBTOP_MACHINE_H)
    fi

    AM_CONDITIONAL(NEED_LIBGTOP, test x$libgtop_need_server = xyes)
])