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e2fsprogs: updated to 1.42.13 and updated mandir
[crossrootfs.git] / patch / strnlen.m4
1 # strnlen.m4 serial 10
2 dnl Copyright (C) 2002-2003, 2005-2007, 2009 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 AC_DEFUN([gl_FUNC_STRNLEN],
8 [
9 dnl Persuade glibc <string.h> to declare strnlen().
10 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
11
12 dnl AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
13 AC_CHECK_DECLS_ONCE([strnlen])
14 if test $ac_cv_have_decl_strnlen = no; then
15 HAVE_DECL_STRNLEN=0
16 fi
17
18 AC_FUNC_STRNLEN
19 if test $ac_cv_func_strnlen_working = no; then
20 # This is necessary because automake-1.6.1 doesn't understand
21 # that the above use of AC_FUNC_STRNLEN means we may have to use
22 # lib/strnlen.c.
23 AC_LIBOBJ([strnlen])
24 AC_DEFINE([strnlen], [rpl_strnlen],
25 [Define to rpl_strnlen if the replacement function should be used.])
26 gl_PREREQ_STRNLEN
27 fi
28 ])
29
30 # Prerequisites of lib/strnlen.c.
31 AC_DEFUN([gl_PREREQ_STRNLEN], [:])