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dnl @synopsis AC_PROMPT_USER_NO_DEFINE(VARIABLENAME,QUESTION,[DEFAULT])
dnl
dnl Asks a QUESTION and puts the results in VARIABLENAME with an optional
dnl DEFAULT value if the user merely hits return.
dnl
dnl @version 1.15
dnl @author Wes Hardaker <hardaker@users.sourceforge.net>
dnl
AC_DEFUN([AC_PROMPT_USER_NO_DEFINE],
dnl changequote(<<, >>) dnl
dnl <<
[
if test "x$defaults" = "xno"; then
echo $ECHO_N "$2 ($3): $ECHO_C"
read tmpinput
if test "$tmpinput" = "" -a "$3" != ""; then
tmpinput="$3"
fi
eval $1=\"$tmpinput\"
else
tmpinput="$3"
eval $1=\"$tmpinput\"
fi
]
dnl >>
dnl changequote([, ])
) dnl done AC_PROMPT_USER
dnl @synopsis AC_PROMPT_USER(VARIABLENAME,QUESTION,[DEFAULT],QUOTED)
dnl
dnl Asks a QUESTION and puts the results in VARIABLENAME with an optional
dnl DEFAULT value if the user merely hits return. Also calls
dnl AC_DEFINE_UNQUOTED() on the VARIABLENAME for VARIABLENAMEs that should
dnl be entered into the config.h file as well. If QUOTED is "quoted" then
dnl the result will be defined within quotes.
dnl
dnl @version 1.15
dnl @author Wes Hardaker <hardaker@users.sourceforge.net>
dnl
AC_DEFUN([AC_PROMPT_USER],
[
MSG_CHECK=`echo "$2" | tail -1`
AC_CACHE_CHECK($MSG_CHECK, ac_cv_user_prompt_$1,
[echo "" >&AC_FD_MSG
AC_PROMPT_USER_NO_DEFINE($1,[$2],$3)
eval ac_cv_user_prompt_$1=\$$1
echo $ECHO_N "setting $MSG_CHECK to... $ECHO_C" >&AC_FD_MSG
])
if test "$ac_cv_user_prompt_$1" != "none"; then
if test "x$4" = "xquoted" -o "x$4" = "xQUOTED"; then
AC_DEFINE_UNQUOTED($1,"$ac_cv_user_prompt_$1")
else
AC_DEFINE_UNQUOTED($1,$ac_cv_user_prompt_$1)
fi
fi
]) dnl
dnl @synopsis AC_CHECK_STRUCT_FOR(INCLUDES,STRUCT,MEMBER,DEFINE,[no])
dnl
dnl Checks STRUCT for MEMBER and defines DEFINE if found.
dnl
dnl @version 1.15
dnl @author Wes Hardaker <hardaker@users.sourceforge.net>
dnl
AC_DEFUN([AC_CHECK_STRUCT_FOR],[
ac_safe_struct=`echo "$2" | sed 'y%./+-%__p_%'`
ac_safe_member=`echo "$3" | sed 'y%./+-%__p_%'`
ac_safe_all="ac_cv_struct_${ac_safe_struct}_has_${ac_safe_member}"
changequote(, )dnl
ac_uc_define=STRUCT_`echo "${ac_safe_struct}_HAS_${ac_safe_member}" | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
changequote([, ])dnl
AC_MSG_CHECKING([for $2.$3])
AC_CACHE_VAL($ac_safe_all,
[
if test "x$4" = "x"; then
defineit="= 0"
elif test "x$4" = "xno"; then
defineit=""
else
defineit="$4"
fi
AC_TRY_COMPILE([
$1
],[
struct $2 testit;
testit.$3 $defineit;
], eval "${ac_safe_all}=yes", eval "${ac_safe_all}=no" )
])
if eval "test \"x$`echo ${ac_safe_all}`\" = \"xyes\""; then
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED($ac_uc_define)
else
AC_MSG_RESULT(no)
fi
])
dnl AC_CHECK_IFNET_FOR(SUBSTRUCT,[no])
AC_DEFUN([AC_CHECK_IFNET_FOR],[
dnl check for $1 in struct ifnet
AC_CHECK_STRUCT_FOR([
#ifdef IFNET_NEEDS_KERNEL
#define _KERNEL 1
#endif
#include <sys/types.h>
#include <sys/socket.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <net/if.h>
#ifdef HAVE_NET_IF_VAR_H
#include <net/if_var.h>
#endif
#ifdef HAVE_SYS_QUEUE_H
#include <sys/queue.h>
#endif
#ifdef linux
struct ifnet {
char *if_name; /* name, e.g. "en" or "lo" */
short if_unit; /* sub-unit for lower level driver */
short if_mtu; /* maximum transmission unit */
short if_flags; /* up/down, broadcast, etc. */
int if_metric; /* routing metric (external only) */
char if_hwaddr [6]; /* ethernet address */
int if_type; /* interface type: 1=generic,
28=slip, ether=6, loopback=24 */
int if_speed; /* interface speed: in bits/sec */
struct sockaddr if_addr; /* interface's address */
struct sockaddr ifu_broadaddr; /* broadcast address */
struct sockaddr ia_subnetmask; /* interface's mask */
struct ifqueue {
int ifq_len;
int ifq_drops;
} if_snd; /* output queue */
int if_ibytes; /* octets received on interface */
int if_ipackets; /* packets received on interface */
int if_ierrors; /* input errors on interface */
int if_iqdrops; /* input queue overruns */
int if_obytes; /* octets sent on interface */
int if_opackets; /* packets sent on interface */
int if_oerrors; /* output errors on interface */
int if_collisions; /* collisions on csma interfaces */
/* end statistics */
struct ifnet *if_next;
};
#endif
], ifnet, $1, $2)
])
dnl
dnl Add a search path to the LIBS and CFLAGS variables
dnl
AC_DEFUN([AC_ADD_SEARCH_PATH],[
if test "x$1" != x -a -d $1; then
if test -d $1/lib; then
LDFLAGS="-L$1/lib $LDFLAGS"
fi
if test -d $1/include; then
CPPFLAGS="-I$1/include $CPPFLAGS"
fi
fi
])
dnl
dnl Store information for displaying later.
dnl
AC_DEFUN([AC_MSG_CACHE_INIT],[
rm -f configure-summary
])
AC_DEFUN([AC_MSG_CACHE_ADD],[
cat >> configure-summary << EOF
$1
EOF
])
AC_DEFUN([AC_MSG_CACHE_DISPLAY],[
echo ""
echo "---------------------------------------------------------"
echo " Net-SNMP configuration summary:"
echo "---------------------------------------------------------"
echo ""
cat configure-summary
echo ""
echo "---------------------------------------------------------"
echo ""
])
AC_DEFUN([AC_MSG_MODULE_DBG],
[
if test $module_debug = 1; then
echo $1 $2 $3 $4
fi
]
)
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