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annotate m4/lchmod.m4 @ 17602:f98ee53d8e71

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tests: simplify porting to Solaris 10 /bin/sh Some test cases in 'grep' need a shell that groks '$('; export re_shell_ for their benefit. Problem reported for 'grep' by Dagobert Michelsen in <http://bugs.gnu.org/16380>. * tests/init.sh (re_shell_): Export if it's used.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 07 Jan 2014 11:46:27 -0800
parents 344018b6e5d7
children ab58d4870664
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3eb22f9808e0 Move the lchmod() declaration to <sys/stat.h>.
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1 #serial 3
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344018b6e5d7 maint: update copyright
Eric Blake <eblake@redhat.com>
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3 dnl Copyright (C) 2005-2006, 2008-2014 Free Software Foundation, Inc.
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4 dnl This file is free software; the Free Software Foundation
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5 dnl gives unlimited permission to copy and/or distribute it,
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6 dnl with or without modifications, as long as this notice is preserved.
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7
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8 dnl From Paul Eggert.
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9 dnl Provide a replacement for lchmod on hosts that lack it.
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10
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11 AC_DEFUN([gl_FUNC_LCHMOD],
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12 [
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13 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
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14
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15 dnl Persuade glibc <sys/stat.h> to declare lchmod().
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16 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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17
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18 AC_CHECK_FUNCS_ONCE([lchmod])
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19 if test $ac_cv_func_lchmod = no; then
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20 HAVE_LCHMOD=0
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21 fi
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22 ])