78 lines
2.3 KiB
Plaintext
78 lines
2.3 KiB
Plaintext
|
dnl @synopsis ACX_WHICH_GETHOSTBYNAME_R
|
||
|
|
dnl
|
||
|
|
dnl Provides a test to determine the correct way to call gethostbyname_r
|
||
|
|
dnl
|
||
|
|
dnl defines HAVE_GETHOSTBYNAME_R to the number of arguments required
|
||
|
|
dnl
|
||
|
|
dnl e.g. 6 arguments (linux)
|
||
|
|
dnl e.g. 5 arguments (solaris)
|
||
|
|
dnl e.g. 3 arguments (osf/1)
|
||
|
|
dnl
|
||
|
|
dnl @author Brian Stafford <brian@stafford.uklinux.net>
|
||
|
|
dnl
|
||
|
|
dnl based on version by Caolan McNamara <caolan@skynet.ie>
|
||
|
|
dnl based on David Arnold's autoconf suggestion in the threads faq
|
||
|
|
dnl
|
||
|
|
AC_DEFUN([ACX_WHICH_GETHOSTBYNAME_R],
|
||
|
|
[AC_CACHE_CHECK(number of arguments to gethostbyname_r,
|
||
|
|
acx_which_gethostbyname_r, [
|
||
|
|
AC_TRY_COMPILE([
|
||
|
|
# include <netdb.h>
|
||
|
|
], [
|
||
|
|
|
||
|
|
char *name;
|
||
|
|
struct hostent *he;
|
||
|
|
struct hostent_data data;
|
||
|
|
(void) gethostbyname_r(name, he, &data);
|
||
|
|
|
||
|
|
],acx_which_gethostbyname_r=3,
|
||
|
|
[
|
||
|
|
dnl acx_which_gethostbyname_r=0
|
||
|
|
AC_TRY_COMPILE([
|
||
|
|
# include <netdb.h>
|
||
|
|
], [
|
||
|
|
char *name;
|
||
|
|
struct hostent *he, *res;
|
||
|
|
char *buffer = NULL;
|
||
|
|
int buflen = 2048;
|
||
|
|
int h_errnop;
|
||
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
|
||
|
|
],acx_which_gethostbyname_r=6,
|
||
|
|
|
||
|
|
[
|
||
|
|
dnl acx_which_gethostbyname_r=0
|
||
|
|
AC_TRY_COMPILE([
|
||
|
|
# include <netdb.h>
|
||
|
|
], [
|
||
|
|
char *name;
|
||
|
|
struct hostent *he;
|
||
|
|
char *buffer = NULL;
|
||
|
|
int buflen = 2048;
|
||
|
|
int h_errnop;
|
||
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
|
||
|
|
],acx_which_gethostbyname_r=5,acx_which_gethostbyname_r=0)
|
||
|
|
|
||
|
|
]
|
||
|
|
|
||
|
|
)
|
||
|
|
]
|
||
|
|
)
|
||
|
|
])
|
||
|
|
|
||
|
|
if test $acx_which_gethostbyname_r -gt 0 ; then
|
||
|
|
AC_DEFINE_UNQUOTED([HAVE_GETHOSTBYNAME_R], $acx_which_gethostbyname_r,
|
||
|
|
[Number of parameters to gethostbyname_r or 0 if not available])
|
||
|
|
fi
|
||
|
|
|
||
|
|
])
|
||
|
|
|
||
|
|
dnl @synopsis ACX_HELP_STRING(OPTION,DESCRIPTION)
|
||
|
|
AC_DEFUN([ACX_HELP_STRING],
|
||
|
|
[ $1 builtin([substr],[ ],len($1))[$2]])
|
||
|
|
|
||
|
|
|
||
|
|
dnl @synopsis ACX_FEATURE(ENABLE_OR_WITH,NAME[,VALUE])
|
||
|
|
AC_DEFUN([ACX_FEATURE],
|
||
|
|
[echo "builtin([substr],[ ],len(--$1-$2))--$1-$2: ifelse($3,,[$]translit($1-$2,-,_),$3)"])
|
||
|
|
|