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56 lines
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Determining if the pthread_create exist failed with the following output:
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Change Dir: /home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp
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make[1]: Entering directory '/home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp'
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Building CXX object CMakeFiles/cmTC_deeb6.dir/CheckSymbolExists.cxx.o
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Linking CXX executable cmTC_deeb6
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/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_deeb6.dir/link.txt --verbose=1
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/usr/bin/c++ -fPIC -std=c++11 CMakeFiles/cmTC_deeb6.dir/CheckSymbolExists.cxx.o -o cmTC_deeb6 -rdynamic
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CMakeFiles/cmTC_deeb6.dir/CheckSymbolExists.cxx.o：在函数‘main’中：
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CheckSymbolExists.cxx:(.text+0x1b)：对‘pthread_create’未定义的引用
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collect2: error: ld returned 1 exit status
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make[1]: *** [cmTC_deeb6] Error 1
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make[1]: Leaving directory '/home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp'
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make: *** [cmTC_deeb6/fast] Error 2
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File /home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:
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/* */
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#include <pthread.h>
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int main(int argc, char** argv)
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{
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(void)argv;
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#ifndef pthread_create
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return ((int*)(&pthread_create))[argc];
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#else
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(void)argc;
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return 0;
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#endif
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}
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Determining if the function pthread_create exists in the pthreads failed with the following output:
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Change Dir: /home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp
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make[1]: Entering directory '/home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp'
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Building CXX object CMakeFiles/cmTC_704c9.dir/CheckFunctionExists.cxx.o
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/usr/bin/c++ -fPIC -std=c++11 -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_704c9.dir/CheckFunctionExists.cxx.o -c /home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CheckLibraryExists/CheckFunctionExists.cxx
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Linking CXX executable cmTC_704c9
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/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_704c9.dir/link.txt --verbose=1
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/usr/bin/c++ -fPIC -std=c++11 -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_704c9.dir/CheckFunctionExists.cxx.o -o cmTC_704c9 -rdynamic -lpthreads
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/usr/bin/ld: 找不到 -lpthreads
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collect2: error: ld returned 1 exit status
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CMakeFiles/cmTC_704c9.dir/build.make:97: recipe for target 'cmTC_704c9' failed
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make[1]: *** [cmTC_704c9] Error 1
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make[1]: Leaving directory '/home/vnpy/桌面/new/vn.ib/build/CMakeFiles/CMakeTmp'
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make: *** [cmTC_704c9/fast] Error 2
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