[bison.git] / m4 / memrchr.m4

# memrchr.m4 serial 1
dnl Copyright (C) 2002 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_MEMRCHR],
[
  dnl Persuade glibc <string.h> to declare memrchr().
  AC_REQUIRE([AC_GNU_SOURCE])

  AC_REPLACE_FUNCS(memrchr)
  if test $ac_cv_func_memrchr = no; then
    gl_PREREQ_MEMRCHR
  fi
])

# Prerequisites of lib/memrchr.c.
AC_DEFUN([gl_PREREQ_MEMRCHR], [
  AC_CHECK_HEADERS_ONCE(limits.h)
])
Commit	Line	Data
f61aad93 PE	1	# memrchr.m4 serial 1
	2	dnl Copyright (C) 2002 Free Software Foundation, Inc.
	3	dnl This file is free software, distributed under the terms of the GNU
	4	dnl General Public License. As a special exception to the GNU General
	5	dnl Public License, this file may be distributed as part of a program
	6	dnl that contains a configuration script generated by Autoconf, under
	7	dnl the same distribution terms as the rest of that program.
	8
	9	AC_DEFUN([gl_FUNC_MEMRCHR],
	10	[
	11	dnl Persuade glibc <string.h> to declare memrchr().
	12	AC_REQUIRE([AC_GNU_SOURCE])
	13
	14	AC_REPLACE_FUNCS(memrchr)
	15	if test $ac_cv_func_memrchr = no; then
	16	gl_PREREQ_MEMRCHR
	17	fi
	18	])
	19
	20	# Prerequisites of lib/memrchr.c.
	21	AC_DEFUN([gl_PREREQ_MEMRCHR], [
	22	AC_CHECK_HEADERS_ONCE(limits.h)
	23	])