Blame gl/m4/strnlen.m4

Packit 549fdc
# strnlen.m4 serial 13
Packit 549fdc
dnl Copyright (C) 2002-2003, 2005-2007, 2009-2016 Free Software Foundation,
Packit 549fdc
dnl Inc.
Packit 549fdc
dnl This file is free software; the Free Software Foundation
Packit 549fdc
dnl gives unlimited permission to copy and/or distribute it,
Packit 549fdc
dnl with or without modifications, as long as this notice is preserved.
Packit 549fdc
Packit 549fdc
AC_DEFUN([gl_FUNC_STRNLEN],
Packit 549fdc
[
Packit 549fdc
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
Packit 549fdc
Packit 549fdc
  dnl Persuade glibc <string.h> to declare strnlen().
Packit 549fdc
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
Packit 549fdc
Packit 549fdc
  AC_CHECK_DECLS_ONCE([strnlen])
Packit 549fdc
  if test $ac_cv_have_decl_strnlen = no; then
Packit 549fdc
    HAVE_DECL_STRNLEN=0
Packit 549fdc
  else
Packit 549fdc
    m4_pushdef([AC_LIBOBJ], [:])
Packit 549fdc
    dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
Packit 549fdc
    AC_FUNC_STRNLEN
Packit 549fdc
    m4_popdef([AC_LIBOBJ])
Packit 549fdc
    if test $ac_cv_func_strnlen_working = no; then
Packit 549fdc
      REPLACE_STRNLEN=1
Packit 549fdc
    fi
Packit 549fdc
  fi
Packit 549fdc
])
Packit 549fdc
Packit 549fdc
# Prerequisites of lib/strnlen.c.
Packit 549fdc
AC_DEFUN([gl_PREREQ_STRNLEN], [:])