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annotate m4/getlogin.m4 @ 40196:e63f5d3edab5

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relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.
author Bruno Haible <bruno@clisp.org>
date Sun, 24 Feb 2019 01:49:15 +0100
parents b06060465f09
children
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1 # getlogin.m4 serial 5
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Paul Eggert <eggert@cs.ucla.edu>
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2 dnl Copyright (C) 2010-2019 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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6
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7 AC_DEFUN([gl_FUNC_GETLOGIN],
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8 [
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9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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10 AC_CHECK_DECLS_ONCE([getlogin])
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11 if test $ac_cv_have_decl_getlogin = no; then
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12 HAVE_DECL_GETLOGIN=0
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13 fi
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14 AC_CHECK_FUNCS_ONCE([getlogin])
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15 if test $ac_cv_func_getlogin = no; then
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16 HAVE_GETLOGIN=0
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17 fi
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18 ])
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19
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20 dnl Determines the library needed by the implementation of the
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21 dnl getlogin and getlogin_r functions.
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22 AC_DEFUN([gl_LIB_GETLOGIN],
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23 [
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24 AC_REQUIRE([AC_CANONICAL_HOST])
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25 case $host_os in
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26 mingw*)
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27 LIB_GETLOGIN='-ladvapi32' ;;
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28 *)
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29 LIB_GETLOGIN= ;;
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30 esac
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31 AC_SUBST([LIB_GETLOGIN])
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32 ])