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root@everton-laptop:/opt/tinyos-1.x/apps/Blink# make pc

compiling Blink to a pc binary

ncc -o build/pc/main.exe -g -O0 -board=micasb -pthread -target=pc  -Wall -Wshadow    -DDEF_TOS_AM_GROUP=0x7d -Wnesc-all -fnesc-nido-tosnodes=1000 -fnesc-cfile=build/pc/app.c Blink.nc -lm 

In file included from /opt/tinyos-1.x/tos/platform/pc/packet_sim.h:55,
                 from /opt/tinyos-1.x/tos/platform/pc/nido.h:81,
                 from /opt/tinyos-1.x/tos/platform/pc/hardware.h:43,
                 from /opt/tinyos-1.x/tos/system/tos.h:144:
/opt/tinyos-1.x/tos/types/AM.h:155: parse error before `struct'
/opt/tinyos-1.x/tos/types/AM.h:156: parse error before `struct'
/opt/tinyos-1.x/tos/types/AM.h:158: parse error before `struct'
/opt/tinyos-1.x/tos/types/AM.h: In function `TOS_MsgLength':
/opt/tinyos-1.x/tos/types/AM.h:186: parse error before `TOS_Msg'
In file included from /opt/tinyos-1.x/tos/platform/pc/hardware.h:116,
                 from /opt/tinyos-1.x/tos/system/tos.h:144:
/opt/tinyos-1.x/tos/platform/pc/eeprom.c: At top level:
/opt/tinyos-1.x/tos/platform/pc/eeprom.c:115: warning: declaration of `length' shadows global declaration
/opt/tinyos-1.x/tos/types/AM.h:158: warning: location of shadowed declaration
/opt/tinyos-1.x/tos/platform/pc/eeprom.c:145: warning: declaration of `length' shadows global declaration
/opt/tinyos-1.x/tos/types/AM.h:158: warning: location of shadowed declaration
make: *** [build/pc/main.exe] Error 1

尝试编译 BLink，但我不断收到上述错误，不知道下一步该做什么。你能帮忙的话，我会很高兴 。

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1 回答 1

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查看 CVS 存储库tos/types/AM.h，它似乎被以下代码阻塞：

154: enum {
155:    MSG_DATA_SIZE = offsetof(struct TOS_Msg, crc) + sizeof(uint16_t), // 36 by default
156:    TINYSEC_MSG_DATA_SIZE = offsetof(struct TinySec_Msg, mac) + TINYSEC_MAC_LENGTH, // 41 by default
157:    DATA_LENGTH = TOSH_DATA_LENGTH,
158:    LENGTH_BYTE_NUMBER = offsetof(struct TOS_Msg, length) + 1,
159:    TINYSEC_NODE_ID_SIZE = sizeof(uint16_t)
160: };

第 155、156 和 158 行中的共同项目是offsetof()宏，它应该被定义stddef.h并且看起来应该tos.h在它导致AM.h被包含之前被引入，所以offsetof()应该已经被定义。

您可能想验证您使用的编译器是否已offsetof()正确定义和/或为什么它不能用于AM.h. 如有必要，您可以使用或多或少通常的实现自己定义它：

#define offsetof(st, m) ((size_t) ( (char *)&((st *)(0))->m - (char *)0 ))  // stolen from Wikipedia
于 2010-02-28T03:30:52.420 回答