[grub2.git] / m4 / strnlen.m4

# strnlen.m4 serial 13
dnl Copyright (C) 2002-2003, 2005-2007, 2009-2013 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_FUNC_STRNLEN],
[
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])

  dnl Persuade glibc <string.h> to declare strnlen().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_DECLS_ONCE([strnlen])
  if test $ac_cv_have_decl_strnlen = no; then
    HAVE_DECL_STRNLEN=0
  else
    m4_pushdef([AC_LIBOBJ], [:])
    dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
    AC_FUNC_STRNLEN
    m4_popdef([AC_LIBOBJ])
    if test $ac_cv_func_strnlen_working = no; then
      REPLACE_STRNLEN=1
    fi
  fi
])

# Prerequisites of lib/strnlen.c.
AC_DEFUN([gl_PREREQ_STRNLEN], [:])
Commit	Line	Data
053cfcdd VS	1	# strnlen.m4 serial 13
053cfcdd VS	2	dnl Copyright (C) 2002-2003, 2005-2007, 2009-2013 Free Software Foundation,
15c69261 YB	3	dnl Inc.
	4	dnl This file is free software; the Free Software Foundation
	5	dnl gives unlimited permission to copy and/or distribute it,
	6	dnl with or without modifications, as long as this notice is preserved.
	7
	8	AC_DEFUN([gl_FUNC_STRNLEN],
	9	[
	10	AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
	11
	12	dnl Persuade glibc <string.h> to declare strnlen().
	13	AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
	14
	15	AC_CHECK_DECLS_ONCE([strnlen])
	16	if test $ac_cv_have_decl_strnlen = no; then
	17	HAVE_DECL_STRNLEN=0
	18	else
053cfcdd	19	m4_pushdef([AC_LIBOBJ], [:])
15c69261	20	dnl Note: AC_FUNC_STRNLEN does AC_LIBOBJ([strnlen]).
053cfcdd VS	21	AC_FUNC_STRNLEN
053cfcdd VS	22	m4_popdef([AC_LIBOBJ])
15c69261 YB	23	if test $ac_cv_func_strnlen_working = no; then
	24	REPLACE_STRNLEN=1
	25	fi
	26	fi
15c69261 YB	27	])
	28
	29	# Prerequisites of lib/strnlen.c.
	30	AC_DEFUN([gl_PREREQ_STRNLEN], [:])