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      1 # rawmemchr.m4 serial 2
      2 dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc.
      3 dnl This file is free software; the Free Software Foundation
      4 dnl gives unlimited permission to copy and/or distribute it,
      5 dnl with or without modifications, as long as this notice is preserved.
      6 
      7 AC_DEFUN([gl_FUNC_RAWMEMCHR],
      8 [
      9   dnl Persuade glibc <string.h> to declare rawmemchr().
     10   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
     11 
     12   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
     13   AC_CHECK_FUNCS([rawmemchr])
     14   if test $ac_cv_func_rawmemchr = no; then
     15     HAVE_RAWMEMCHR=0
     16   fi
     17 ])
     18 
     19 # Prerequisites of lib/strchrnul.c.
     20 AC_DEFUN([gl_PREREQ_RAWMEMCHR], [:])
     21