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| Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output:
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| /usr/bin/ld: CMakeFiles/cmTC_b9242.dir/src.c.o: in function `main':
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| src.c:(.text+0x46): undefined reference to `pthread_create'
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|   pthread_join(thread, NULL);
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|   pthread_atfork(NULL, NULL, NULL);
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| }
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| Run Build Command(s):/usr/bin/make cmTC_d51e0/fast && /usr/bin/make -f CMakeFiles/cmTC_d51e0.dir/build.make CMakeFiles/cmTC_d51e0.dir/build
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| make[1]: 进入目录“/home/zmn/下载/ros_turtlecontrol/build/CMakeFiles/CMakeTmp”
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| Building C object CMakeFiles/cmTC_d51e0.dir/CheckFunctionExists.c.o
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| make: *** [Makefile:121:cmTC_d51e0/fast] 错误 2
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