m4/readutmp.m4

   1 # readutmp.m4 serial 12
   2 dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 AC_DEFUN([gl_READUTMP],
   8 [
   9   dnl Persuade utmpx.h to declare utmpxname
  10   AC_REQUIRE([AC_GNU_SOURCE])
  11
  12   AC_CHECK_HEADERS_ONCE(utmp.h utmpx.h)
  13   if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
  14     AC_LIBOBJ([readutmp])
  15
  16     dnl Prerequisites of lib/readutmp.h and lib/readutmp.c.
  17     AC_REQUIRE([AC_C_INLINE])
  18     AC_REQUIRE([gl_FUNC_FREE])
  19     AC_CHECK_FUNCS_ONCE(utmpname utmpxname)
  20     AC_CHECK_DECLS(getutent,,,[
  21 #ifdef HAVE_UTMP_H
  22 # include <utmp.h>
  23 #endif
  24 ])
  25     utmp_includes="\
  26 $ac_includes_default
  27 #ifdef HAVE_UTMPX_H
  28 # include <utmpx.h>
  29 #endif
  30 #ifdef HAVE_UTMP_H
  31 # include <utmp.h>
  32 #endif
  33 "
  34     AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
  35     AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
  36     AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
  37     AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
  38     AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
  39     AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
  40     AC_CHECK_MEMBERS([struct utmpx.ut_pid],,,[$utmp_includes])
  41     AC_CHECK_MEMBERS([struct utmp.ut_pid],,,[$utmp_includes])
  42     AC_CHECK_MEMBERS([struct utmpx.ut_id],,,[$utmp_includes])
  43     AC_CHECK_MEMBERS([struct utmp.ut_id],,,[$utmp_includes])
  44     AC_CHECK_MEMBERS([struct utmpx.ut_exit],,,[$utmp_includes])
  45     AC_CHECK_MEMBERS([struct utmp.ut_exit],,,[$utmp_includes])
  46
  47     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_exit],,,[$utmp_includes])
  48     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_exit],,,[$utmp_includes])
  49     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_exit],,,[$utmp_includes])
  50     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_exit],,,[$utmp_includes])
  51
  52     AC_CHECK_MEMBERS([struct utmpx.ut_exit.ut_termination],,,[$utmp_includes])
  53     AC_CHECK_MEMBERS([struct utmp.ut_exit.ut_termination],,,[$utmp_includes])
  54     AC_CHECK_MEMBERS([struct utmpx.ut_exit.e_termination],,,[$utmp_includes])
  55     AC_CHECK_MEMBERS([struct utmp.ut_exit.e_termination],,,[$utmp_includes])
  56   fi
  57 ])