stm32f429-st-disco在ubuntu下gcc编译报错重复定义

发布于 2020-01-06 18:23:11 浏览：1606 订阅该版

我用的github上master最新版代码，
- ubuntu18.04, 
- arm-none-eabi-gcc(GNU Tools for Arm Embedded Processors 7-2018-q3-update) 7.3.1工具链

在stm32f429-st-disco bsp包下执行scons开始gcc编译，报错显示重复定义：
```
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 /usr/arm-none-eabi/include/signal.h:6:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:71,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/usr/arm-none-eabi/include/sys/signal.h:42:7: error: redefinition of 'union sigval'
 union sigval {
       ^~~~~~
In file included from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:27:7: note: originally defined here
 union sigval
       ^~~~~~
In file included from /usr/arm-none-eabi/include/signal.h:6:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:71,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/usr/arm-none-eabi/include/sys/signal.h:47:8: error: redefinition of 'struct sigevent'
 struct sigevent {
        ^~~~~~~~
In file included from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:35:8: note: originally defined here
 struct sigevent
        ^~~~~~~~
In file included from /usr/arm-none-eabi/include/signal.h:6:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:71,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/usr/arm-none-eabi/include/sys/signal.h:72:3: error: conflicting types for 'siginfo_t'
 } siginfo_t;
   ^~~~~~~~~
In file included from /home/dianli/workspace/src/rt-thread-master/include/rtlibc.h:21:0,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtdef.h:1088,
                 from /home/dianli/workspace/src/rt-thread-master/include/rtthread.h:24,
                 from applications/lcd_init.c:11:
/home/dianli/workspace/src/rt-thread-master/include/libc/libc_signal.h:54:24: note: previous declaration of 'siginfo_t' was here
 typedef struct siginfo siginfo_t;
                        ^~~~~~~~~
scons: *** [build/applications/lcd_init.o] Error 1
scons: building terminated because of errors.
```
试了下`stm32f429-fire-challenger bsp`下执行scons却可以顺利编译通过，搞不清楚这是什么问题