scons编译报错【qemu模拟】

发布于 2021-09-06 14:14:48 浏览：960 订阅该版

报错如下：
看错误信息是fd_set这个结构体未找到。
```
recan@ubuntu:~/win_share_workspace/rt-thread-share/rt-thread/bsp/qemu-vexpress-a9-debug$ scons
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
scons: building associated VariantDir targets: build
CC build/applications/lcd_init.o
In file included from /home/recan/win_share_workspace/rt-thread-share/rt-thread/components/net/sal_socket/include/dfs_net/sys_select/sys/select.h:14:0,
                 from /usr/local/gcc-arm-none-eabi-5_4-2016q3/arm-none-eabi/include/sys/types.h:68,
                 from /usr/local/gcc-arm-none-eabi-5_4-2016q3/arm-none-eabi/include/time.h:28,
                 from /usr/local/gcc-arm-none-eabi-5_4-2016q3/arm-none-eabi/include/sys/stat.h:9,
                 from /home/recan/win_share_workspace/rt-thread-share/rt-thread/include/libc/libc_stat.h:17,
                 from /home/recan/win_share_workspace/rt-thread-share/rt-thread/include/rtlibc.h:15,
                 from /home/recan/win_share_workspace/rt-thread-share/rt-thread/include/rtdef.h:1150,
                 from /home/recan/win_share_workspace/rt-thread-share/rt-thread/include/rtthread.h:25,
                 from applications/lcd_init.c:11:
/home/recan/win_share_workspace/rt-thread-share/rt-thread/components/dfs/include/dfs_select.h:19:22: error: unknown type name 'fd_set'
 int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
                      ^
/home/recan/win_share_workspace/rt-thread-share/rt-thread/components/dfs/include/dfs_select.h:19:39: error: unknown type name 'fd_set'
 int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
                                       ^
/home/recan/win_share_workspace/rt-thread-share/rt-thread/components/dfs/include/dfs_select.h:19:57: error: unknown type name 'fd_set'
 int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
                                                         ^
scons: *** [build/applications/lcd_init.o] Error 1
scons: building terminated because of errors.
recan@ubuntu:~/win_share_workspace/rt-thread-sh
```