Files
bison/m4/strnlen.m4
Paul Eggert f61aad9399 Merge changes from gnulib. This was prompted because the CVS
snapshot of Bison didn't build on Solaris 7 due to strnlen problems.
2003-03-12 23:08:11 +00:00

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# strnlen.m4 serial 2
dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.
AC_DEFUN([gl_FUNC_STRNLEN],
[
dnl Persuade glibc <string.h> to declare strnlen().
AC_REQUIRE([AC_GNU_SOURCE])
AC_FUNC_STRNLEN
if test $ac_cv_func_strnlen_working = no; then
# This is necessary because automake-1.6.1 doens't understand
# that the above use of AC_FUNC_STRNLEN means we may have to use
# lib/strnlen.c.
#AC_LIBOBJ(strnlen)
AC_DEFINE(strnlen, rpl_strnlen,
[Define to rpl_strnlen if the replacement function should be used.])
gl_PREREQ_STRNLEN
fi
])
# Prerequisites of lib/strnlen.c.
AC_DEFUN([gl_PREREQ_STRNLEN], [
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS_ONCE(memory.h string.h)
AC_CHECK_DECLS(memchr)
])