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annotate m4/dup.m4 @ 16201:8250f2777afc

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maint: update all copyright year number ranges Run "make update-copyright".
author Jim Meyering <meyering@redhat.com>
date Sun, 01 Jan 2012 10:04:58 +0100
parents b5685d79081c
children dd46d4e6beea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # dup.m4 serial 2
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2 dnl Copyright (C) 2011-2012 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_DUP],
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8 [
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9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
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10 AC_REQUIRE([gl_MSVC_INVAL])
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11 if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
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12 REPLACE_DUP=1
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13 fi
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14 dnl Replace dup() for supporting the gnulib-defined fchdir() function,
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15 dnl to keep fchdir's bookkeeping up-to-date.
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16 m4_ifdef([gl_FUNC_FCHDIR], [
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17 gl_TEST_FCHDIR
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18 if test $HAVE_FCHDIR = 0; then
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19 REPLACE_DUP=1
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20 fi
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21 ])
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22 ])
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23
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24 # Prerequisites of lib/dup.c.
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25 AC_DEFUN([gl_PREREQ_DUP], [
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26 AC_REQUIRE([AC_C_INLINE])
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27 ])