急救！arm-linux-tools-20061123交叉编译net-snmp-5.2.4出错

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急救！arm-linux-tools-20061123交叉编译net-snmp-5.2.4出错！
交叉编译到agent/mibII/var_route.c文件出现下面错误：
mibII/var_route.c: In function `var_ipRouteEntry':
mibII/var_route.c:497: dereferencing pointer to incomplete type
mibII/var_route.c:540: dereferencing pointer to incomplete type
mibII/var_route.c:546: dereferencing pointer to incomplete type
mibII/var_route.c:553: dereferencing pointer to incomplete type
mibII/var_route.c:553: `RTF_GATEWAY' undeclared (first use in this function)
mibII/var_route.c:553: (Each undeclared identifier is reported only once
mibII/var_route.c:553: for each function it appears in.)
mibII/var_route.c:598: dereferencing pointer to incomplete type
mibII/var_route.c:604: dereferencing pointer to incomplete type
mibII/var_route.c:604: `RTF_UP' undeclared (first use in this function)
mibII/var_route.c:605: dereferencing pointer to incomplete type
mibII/var_route.c:619: dereferencing pointer to incomplete type
mibII/var_route.c:619: `RTF_DYNAMIC' undeclared (first use in this function)
mibII/var_route.c:645: dereferencing pointer to incomplete type
mibII/var_route.c:658: dereferencing pointer to incomplete type
mibII/var_route.c:661: dereferencing pointer to incomplete type
mibII/var_route.c: In function `Route_Scan_Reload':
mibII/var_route.c:1267: storage size of `rtent' isn't known
mibII/var_route.c:1273: dereferencing pointer to incomplete type
mibII/var_route.c:1273: dereferencing pointer to incomplete type
mibII/var_route.c:1274: dereferencing pointer to incomplete type
mibII/var_route.c:1282: dereferencing pointer to incomplete type
mibII/var_route.c:1295: dereferencing pointer to incomplete type
mibII/var_route.c:1295: dereferencing pointer to incomplete type
mibII/var_route.c:1295: dereferencing pointer to incomplete type
mibII/var_route.c:1295: dereferencing pointer to incomplete type
mibII/var_route.c:1295: dereferencing pointer to incomplete type
mibII/var_route.c:1298: dereferencing pointer to incomplete type
mibII/var_route.c:1298: dereferencing pointer to incomplete type
mibII/var_route.c:1299: dereferencing pointer to incomplete type
mibII/var_route.c:1299: dereferencing pointer to incomplete type


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