memrchr.m4 683 Bytes
Newer Older
1
# memrchr.m4 serial 10
Paul Eggert's avatar
Paul Eggert committed
2
dnl Copyright (C) 2002-2003, 2005-2007, 2009-2016 Free Software Foundation,
3
dnl Inc.
4 5 6
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.
7 8 9 10

AC_DEFUN([gl_FUNC_MEMRCHR],
[
  dnl Persuade glibc <string.h> to declare memrchr().
11
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
12

13
  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
14
  AC_CHECK_DECLS_ONCE([memrchr])
15 16 17
  if test $ac_cv_have_decl_memrchr = no; then
    HAVE_DECL_MEMRCHR=0
  fi
18

19
  AC_CHECK_FUNCS([memrchr])
20 21 22
])

# Prerequisites of lib/memrchr.c.
Paul Eggert's avatar
Paul Eggert committed
23
AC_DEFUN([gl_PREREQ_MEMRCHR], [:])