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      1 # getlogin.m4 serial 5
      2 dnl Copyright (C) 2010-2022 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_FUNC_GETLOGIN],
      8 [
      9   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
     10   AC_CHECK_DECLS_ONCE([getlogin])
     11   if test $ac_cv_have_decl_getlogin = no; then
     12     HAVE_DECL_GETLOGIN=0
     13   fi
     14   AC_CHECK_FUNCS_ONCE([getlogin])
     15   if test $ac_cv_func_getlogin = no; then
     16     HAVE_GETLOGIN=0
     17   fi
     18 ])
     19 
     20 dnl Determines the library needed by the implementation of the
     21 dnl getlogin and getlogin_r functions.
     22 AC_DEFUN([gl_LIB_GETLOGIN],
     23 [
     24   AC_REQUIRE([AC_CANONICAL_HOST])
     25   case $host_os in
     26     mingw*)
     27       LIB_GETLOGIN='-ladvapi32' ;;
     28     *)
     29       LIB_GETLOGIN= ;;
     30   esac
     31   AC_SUBST([LIB_GETLOGIN])
     32 ])
     33