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annotate m4/mempcpy.m4 @ 448:5cccf90bf838 3.0 tip

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Fixed bug with complex external references generating invalid relocations in the object file
author lost@l-w.ca
date Fri, 05 Nov 2010 22:27:00 -0600
parents b8bf63962a99
children
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1 # mempcpy.m4 serial 10
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2 dnl Copyright (C) 2003-2004, 2006-2007, 2009-2010 Free Software Foundation,
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3 dnl 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 AC_DEFUN([gl_FUNC_MEMPCPY],
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9 [
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10 dnl Persuade glibc <string.h> to declare mempcpy().
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11 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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12
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13 dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.
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14 AC_REQUIRE([AC_C_RESTRICT])
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15
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16 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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17 AC_REPLACE_FUNCS([mempcpy])
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18 if test $ac_cv_func_mempcpy = no; then
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19 HAVE_MEMPCPY=0
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20 gl_PREREQ_MEMPCPY
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21 fi
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22 ])
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23
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24 # Prerequisites of lib/mempcpy.c.
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25 AC_DEFUN([gl_PREREQ_MEMPCPY], [
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26 :
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27 ])