32 lines
1 KiB
Plaintext
32 lines
1 KiB
Plaintext
# strnlen.m4 serial 10
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dnl Copyright (C) 2002-2003, 2005-2007, 2009 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_STRNLEN],
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[
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dnl Persuade glibc <string.h> to declare strnlen().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
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AC_CHECK_DECLS_ONCE([strnlen])
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if test $ac_cv_have_decl_strnlen = no; then
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HAVE_DECL_STRNLEN=0
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fi
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AC_FUNC_STRNLEN
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if test $ac_cv_func_strnlen_working = no; then
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# This is necessary because automake-1.6.1 doesn't understand
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# that the above use of AC_FUNC_STRNLEN means we may have to use
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# lib/strnlen.c.
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#AC_LIBOBJ([strnlen])
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AC_DEFINE([strnlen], [rpl_strnlen],
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[Define to rpl_strnlen if the replacement function should be used.])
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gl_PREREQ_STRNLEN
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fi
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])
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# Prerequisites of lib/strnlen.c.
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AC_DEFUN([gl_PREREQ_STRNLEN], [:])
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