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annotate m4/memrchr.m4 @ 5719:bf1e7a015194

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(gl_FUNC_MEMRCHR): Check for memrchr decl.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 21 Mar 2005 20:49:41 +0000
parents 2b20ff1c4169
children be9e01d008cb
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2b20ff1c4169 * modules/chdir-long (Depends-on): Add memrchr.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5611
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1 # memrchr.m4 serial 4
2b20ff1c4169 * modules/chdir-long (Depends-on): Add memrchr.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5611
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2 dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
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87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
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parents: 4664
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3 dnl This file is free software; the Free Software Foundation
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4664
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4 dnl gives unlimited permission to copy and/or distribute it,
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4664
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5 dnl with or without modifications, as long as this notice is preserved.
4107
7c1a6b73f48e An autoconf macro for its associated module.
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6
7c1a6b73f48e An autoconf macro for its associated module.
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7 AC_DEFUN([gl_FUNC_MEMRCHR],
7c1a6b73f48e An autoconf macro for its associated module.
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8 [
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2b20ff1c4169 * modules/chdir-long (Depends-on): Add memrchr.
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9 AC_LIBSOURCES([memrchr.c, memrchr.h])
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parents: 5611
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10
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7c1a6b73f48e An autoconf macro for its associated module.
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11 dnl Persuade glibc <string.h> to declare memrchr().
7c1a6b73f48e An autoconf macro for its associated module.
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12 AC_REQUIRE([AC_GNU_SOURCE])
7c1a6b73f48e An autoconf macro for its associated module.
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13
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bf1e7a015194 (gl_FUNC_MEMRCHR): Check for memrchr decl.
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parents: 5637
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14 AC_CHECK_DECLS_ONCE([memrchr])
bf1e7a015194 (gl_FUNC_MEMRCHR): Check for memrchr decl.
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parents: 5637
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15
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7c1a6b73f48e An autoconf macro for its associated module.
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16 AC_REPLACE_FUNCS(memrchr)
7c1a6b73f48e An autoconf macro for its associated module.
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17 if test $ac_cv_func_memrchr = no; then
7c1a6b73f48e An autoconf macro for its associated module.
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18 gl_PREREQ_MEMRCHR
7c1a6b73f48e An autoconf macro for its associated module.
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19 fi
7c1a6b73f48e An autoconf macro for its associated module.
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20 ])
7c1a6b73f48e An autoconf macro for its associated module.
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21
7c1a6b73f48e An autoconf macro for its associated module.
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22 # Prerequisites of lib/memrchr.c.
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42147e1c0cee Remove K&R cruft.
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23 AC_DEFUN([gl_PREREQ_MEMRCHR], [:])