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annotate m4/mempcpy.m4 @ 276:23034db7dd8a 2.5

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fixed expression 'slots' to not store null on a pass 1 store
author lost
date Mon, 31 Aug 2009 08:39:36 +0000
parents d5392bb5da3c
children
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1 # mempcpy.m4 serial 9
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2 dnl Copyright (C) 2003, 2004, 2006, 2007 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_MEMPCPY],
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8 [
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9 dnl Persuade glibc <string.h> to declare mempcpy().
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10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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11
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12 dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.
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13 AC_REQUIRE([AC_C_RESTRICT])
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14
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15 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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16 AC_REPLACE_FUNCS(mempcpy)
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17 if test $ac_cv_func_mempcpy = no; then
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18 HAVE_MEMPCPY=0
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19 gl_PREREQ_MEMPCPY
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20 fi
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21 ])
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22
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23 # Prerequisites of lib/mempcpy.c.
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24 AC_DEFUN([gl_PREREQ_MEMPCPY], [
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25 :
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26 ])