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ip_header.m4
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210 lines (178 loc) · 3.55 KB
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AC_DEFUN([_ONMS_FIND_IP_HEADERS], [
if test -z "$_ONMS_TESTED_IP_HEADERS"; then
AC_CHECK_HEADERS([sys/types.h sys/socket.h netinet/in.h netinet/in_systm.h netinet/ip.h netinet/ip_icmp.h netinet/icmp6.h winsock2.h ws2tcpip.h win32/icmp.h], [], [], [
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NETINET_IP_ICMP_H
#include <netinet/ip_icmp.h>
#endif
])
_ONMS_TESTED_IP_HEADERS=yes
fi
])
AC_DEFUN([_ONMS_TRY_COMPILE], [
_ONMS_FIND_IP_HEADERS
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NETINET_IP_ICMP_H
#include <netinet/ip_icmp.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef __WIN32__
#ifdef HAVE_WIN32_ICMP_H
#include "win32/icmp.h"
#endif
#endif
$1
]],
[[ $2 ]]
)],
[ $3 ],
[ $4 ]
)
]
)
dnl check for a struct based on the first argument
AC_DEFUN([ONMS_CHECK_IP_STRUCT],
[
_ONMS_FIND_IP_HEADERS
AC_CHECK_TYPE(
[struct $1],
[
AC_DEFINE(
AS_TR_CPP([HAVE_STRUCT_$1]),
[1],
[struct $1 needed for IP headers]
)
],
[],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NETINET_IP_ICMP_H
#include <netinet/ip_icmp.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef __WIN32__
#ifdef HAVE_WIN32_ICMP_H
#include "win32/icmp.h"
#endif
#endif
$2
]
)
]
)
dnl check for an entry in the IP struct
AC_DEFUN([ONMS_CHECK_IP_STRUCT_ENTRY],
[
AC_MSG_CHECKING([for ip->$2])
_ONMS_TRY_COMPILE(
[],
[
#if defined(HAVE_STRUCT_IP)
struct ip ip;
#elif defined(HAVE_STRUCT_IPHDR)
struct iphdr ip;
#endif
ip.$2 = 0;
],
[
AC_DEFINE(
AS_TR_CPP([ONMS_IP_$1]),
[$2],
[the $2 entry in the IP struct]
)
AC_MSG_RESULT(yes)
],
AC_MSG_RESULT(no)
)
]
)
dnl check for an entry in the ICMP struct
AC_DEFUN([ONMS_CHECK_ICMP_STRUCT_ENTRY],
[
AC_MSG_CHECKING([for icmp->$2])
_ONMS_TRY_COMPILE(
[],
[
#if defined(HAVE_STRUCT_ICMP)
struct icmp icmp;
#elif defined(HAVE_STRUCT_ICMPHDR)
struct icmphdr icmp;
#endif
icmp.$2 = 0;
],
[
AC_DEFINE(
AS_TR_CPP([ICMP_$1]),
[$2],
[the $2 entry in the ICMP struct]
)
AC_MSG_RESULT(yes)
],
AC_MSG_RESULT(no)
)
]
)