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C库_LIBC
newlib
libmodbus编译时libc和newlib库sigval等重复定于
发布于 2021-12-23 15:45:18 浏览:987
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``` xia@linux:~/codedate/stm32f407v04$ scons /home/xia/.local/lib/python3.8/site-packages/pkg_resources/__init__.py:116: PkgResourcesDeprecationWarning: 0.1.36ubuntu1 is an invalid version and will not be supported in a future release warnings.warn( /home/xia/.local/lib/python3.8/site-packages/pkg_resources/__init__.py:116: PkgResourcesDeprecationWarning: 0.23ubuntu1 is an invalid version and will not be supported in a future release warnings.warn( scons: Reading SConscript files ... scons: done reading SConscript files. scons: Building targets ... scons: building associated VariantDir targets: build CC build/applications/main.o In file included from /usr/include/newlib/signal.h:6, from /home/xia/rt-thread/include/libc/libc_signal.h:71, from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /usr/include/newlib/sys/signal.h:42:7: error: redefinition of 'union sigval' 42 | union sigval { | ^~~~~~ In file included from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /home/xia/rt-thread/include/libc/libc_signal.h:27:7: note: originally defined here 27 | union sigval | ^~~~~~ In file included from /usr/include/newlib/signal.h:6, from /home/xia/rt-thread/include/libc/libc_signal.h:71, from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /usr/include/newlib/sys/signal.h:47:8: error: redefinition of 'struct sigevent' 47 | struct sigevent { | ^~~~~~~~ In file included from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /home/xia/rt-thread/include/libc/libc_signal.h:35:8: note: originally defined here 35 | struct sigevent | ^~~~~~~~ In file included from /usr/include/newlib/signal.h:6, from /home/xia/rt-thread/include/libc/libc_signal.h:71, from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /usr/include/newlib/sys/signal.h:72:3: error: conflicting types for 'siginfo_t' 72 | } siginfo_t; | ^~~~~~~~~ In file included from /home/xia/rt-thread/include/rtlibc.h:21, from /home/xia/rt-thread/include/rtdef.h:1087, from /home/xia/rt-thread/include/rtthread.h:24, from applications/main.c:11: /home/xia/rt-thread/include/libc/libc_signal.h:54:24: note: previous declaration of 'siginfo_t' was here 54 | typedef struct siginfo siginfo_t; | ^~~~~~~~~ scons: *** [build/applications/main.o] Error 1 scons: building terminated because of errors. 在Ubuntu20.04环境下通过menuconfig使用libmodbus软件包编译时出现库重复定义问题,帮看下是什么问题 ```
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liuduanfei
2021-12-24
这家伙很懒,什么也没写!
![image.png](https://oss-club.rt-thread.org/uploads/20211224/2262e88a59d44bf5bb78936e5127616e.png.webp) 这里定义一下,屏蔽libc_signal.h中的定义啊。
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