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Last change
on this file since 3627 was 2595, checked in by bird, 13 years ago |
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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| 1 | # strnlen.m4 serial 13
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| 2 | dnl Copyright (C) 2002-2003, 2005-2007, 2009-2012 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_STRNLEN],
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| 9 | [
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| 10 | AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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| 11 |
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| 12 | dnl Persuade glibc <string.h> to declare strnlen().
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| 13 | AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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| 14 |
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| 15 | AC_CHECK_DECLS_ONCE([strnlen])
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| 16 | if test $ac_cv_have_decl_strnlen = no; then
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| 17 | HAVE_DECL_STRNLEN=0
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| 18 | else
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| 19 | m4_pushdef([AC_LIBOBJ], [:])
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| 20 | dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
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| 21 | AC_FUNC_STRNLEN
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| 22 | m4_popdef([AC_LIBOBJ])
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| 23 | if test $ac_cv_func_strnlen_working = no; then
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| 24 | REPLACE_STRNLEN=1
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| 25 | fi
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| 26 | fi
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| 27 | ])
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| 28 |
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| 29 | # Prerequisites of lib/strnlen.c.
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| 30 | AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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