Re: how to add this function to the aclole.m4

[Ralph Blach]

Ralf Wildenhues wrote:
> * Ralph Blach wrote on Thu, May 20, 2010 at 10:27:59PM CEST:
>    
> > AC_DEFUN([AC_CHECK_FUNC_PROTO],
> >      [AC_CACHE_CHECK(for $1 function prototype in $2, ac_cv_have_$1_proto,
> >          AC_EGREP_HEADER($1, $2,
> >              ac_cv_have_$1_proto=yes,
> >              ac_cv_have_$1_proto=no))
> >      if test $ac_cv_have_$1_proto = yes ; then
> >              ac_tr_func=HAVE_`echo $1 | tr
> > 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`_PROTO
> >          AC_DEFINE_UNQUOTED($ac_tr_func)
> >      fi
> > ])
> >
> > autoreconfig -v is run, the new configure file is made, but
> > I get this configure error
> >
> > checking for gethostname function prototype in unistd.h...
> > ./configure: line 3828: syntax error near unexpected token `newline'
> > ./configure: line 3828: `*GNU*'
> >      
> Your macro still lacks proper quotation.  You need to [quote] at least
> the third argument of the AC_CACHE_CHECK call, but better all others
> too, as well as each argument of AC_EGREP_HEADER.
>
> If that still causes the error above, then it would be helpful to see,
> say, a dozen lines of the configure script around the line where the
> error occurs.
>
> Cheers,
> Ralf
>
>    

Ralf,

First I dont really understand "proper quotation"
because I dont really understand this language.

Here are the dozen lines from the conigure file

 IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
  for ac_prog in grep ggrep; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || 
continue
# Check for GNU ac_path_GREP and select it if it is found.
  # Check for GNU $ac_path_GREP
case `"$ac_path_GREP" --version 2>&1` in
*GNU*
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_have_gethostname_proto" >&5
$as_echo "$ac_cv_have_gethostname_proto" >&6; }
  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
*)
  ac_count=0
  $as_echo_n 0123456789 >"conftest.in"
  while :
  do
    cat "conftest.in" "conftest.in" >"conft