About cmake pulsar-client-cpp

从 CMake 配置输出以及生成的 CMakeOutput.log 和 CMakeError.log 开始。重现配置失败，然后调查缺失的 GMOCK_INCLUDE_PATH、pthread 链接检查、getauxval 检查以及缺失的 clang-format；完成的标准是 CMake 能够在没有这些错误的情况下成功配置。

clang-tidy found at /usr/bin/clang-tidy
clang-format not found
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
GMOCK_INCLUDE_PATH
used as include directory in directory /home/liutt/Downloads/pulsar/pulsar-client-cpp

.......
-- Configuring incomplete, errors occurred!
See also "/home/liutt/Downloads/pulsar/pulsar-client-cpp/CMakeFiles/CMakeOutput.log".
See also "/home/liutt/Downloads/pulsar/pulsar-client-cpp/CMakeFiles/CMakeError.log".

CMakeError.log:

Linking C executable cmTC_aa1c4
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_aa1c4.dir/link.txt --verbose=1
/usr/bin/cc -DCMAKE_HAVE_LIBC_PTHREAD CMakeFiles/cmTC_aa1c4.dir/src.c.o -o cmTC_aa1c4
/usr/bin/ld: CMakeFiles/cmTC_aa1c4.dir/src.c.o: in function main': src.c:(.text+0x46): undefined reference to pthread_create'
/usr/bin/ld: src.c:(.text+0x52): undefined reference to pthread_detach' /usr/bin/ld: src.c:(.text+0x63): undefined reference to pthread_join'
collect2: error: ld returned 1 exit status
make[1]: *** [CMakeFiles/cmTC_aa1c4.dir/build.make:87：cmTC_aa1c4] 错误 1
make[1]: 离开目录“/home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp”
make: *** [Makefile:121：cmTC_aa1c4/fast] 错误 2

Source file was:
#include <pthread.h>

void* test_func(void* data)
{
return data;
}

int main(void)
{
pthread_t thread;
pthread_create(&thread, NULL, test_func, NULL);
pthread_detach(thread);
pthread_join(thread, NULL);
pthread_atfork(NULL, NULL, NULL);
pthread_exit(NULL);

return 0;
}

Determining if the getauxval exist failed with the following output:
Change Dir: /home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_b8f12/fast && /usr/bin/make -f CMakeFiles/cmTC_b8f12.dir/build.make CMakeFiles/cmTC_b8f12.dir/build
make[1]: 进入目录“/home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp”
Building CXX object CMakeFiles/cmTC_b8f12.dir/CheckSymbolExists.cxx.o
/usr/bin/c++ -D_PULSAR_VERSION_INTERNAL_="" -fPIE -o CMakeFiles/cmTC_b8f12.dir/CheckSymbolExists.cxx.o -c /home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx
/home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:2:10: fatal error: auvx.h: 没有那个文件或目录
2 | #include <auvx.h>
| ^~~~~~~~
compilation terminated.
make[1]: *** [CMakeFiles/cmTC_b8f12.dir/build.make:66：CMakeFiles/cmTC_b8f12.dir/CheckSymbolExists.cxx.o] 错误 1
make[1]: 离开目录“/home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp”
make: *** [Makefile:121：cmTC_b8f12/fast] 错误 2

File /home/liutt/Downloads/pulsar/pulsar-client-cpp/build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:
/* */
#include <auvx.h>

int main(int argc, char** argv)
{
(void)argv;
#ifndef getauxval
return ((int*)(&getauxval))[argc];
#else
(void)argc;
return 0;
#endif
}