HelloWorldSample编译错误

一、问题现象（附报错日志上下文）：
`operator/HelloWorldSample`编译错误，`printf`未声明。

二、软件版本:
-- CANN 版本 (e.g., CANN 3.0.x，5.x.x): 7.2.T8.0.B128:CANN-7.2
--Python 版本 (e.g., Python 3.7.5): Python 3.9.9
--操作系统版本 (e.g., Ubuntu 18.04): openEuler release 22.03 LTS
--Sample版本：794a9d9bd05541e1f5b4a97d9a0ce1f022a19c13 (Tue Jul 16 09:58:18 2024 +0000)

三、测试步骤：
bash run.sh -v Ascend910B2 |& tee out.txt

四、日志信息:
```
[username@localhost HelloWorldSample]$ bash run.sh -v Ascend910B2 |& tee out.txt
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/op_impl/custom/ is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/op_proto/custom/ is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: / is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: / is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/framework/custom/ is empty
find: ‘/usr/local/Ascend/ascend-toolkit/CANN-7.2/opp/test-ops/script’: Permission denied
find: ‘/usr/local/Ascend/ascend-toolkit/CANN-7.2/opp/test-ops/script’: Permission denied
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/op_impl/custom/ is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/op_proto/custom/ is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: / is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: / is empty
find: ‘/usr/local/Ascend/ascend-toolkit/latest/opp/test-ops/script’: Permission denied
[INFO]: /usr/local/Ascend/ascend-toolkit/latest/opp/framework/custom/ is empty
-- The C compiler identification is GNU 10.3.1
-- The CXX compiler identification is GNU 10.3.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/username/Work/samples/operator/HelloWorldSample/build
[  2%] Creating directories for 'kernels_preprocess'
[  5%] No download step for 'kernels_preprocess'
[  8%] No update step for 'kernels_preprocess'
[ 11%] No patch step for 'kernels_preprocess'
[ 13%] Performing configure step for 'kernels_preprocess'
-- The C compiler identification is GNU 10.3.1
-- The CXX compiler identification is GNU 10.3.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/username/Work/samples/operator/HelloWorldSample/build/kernels_preprocess-prefix/src/kernels_preprocess-build
[ 16%] Performing build step for 'kernels_preprocess'
[ 33%] Building CXX object CMakeFiles/preprocess_obj.dir/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp.o
[ 66%] Building CXX object CMakeFiles/aic_obj.dir/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp.o
[100%] Building CXX object CMakeFiles/aiv_obj.dir/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp.o
[100%] Built target preprocess_obj
/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp:14:5: error: use of undeclared identifier 'printf'
    printf("Hello World!!!\n");
    ^
/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp:14:5: error: use of undeclared identifier 'printf'
    printf("Hello World!!!\n");
    ^
1 error generated.
gmake[5]: *** [CMakeFiles/aiv_obj.dir/build.make:76: CMakeFiles/aiv_obj.dir/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp.o] Error 1
gmake[4]: *** [CMakeFiles/Makefile2:115: CMakeFiles/aiv_obj.dir/all] Error 2
gmake[4]: *** Waiting for unfinished jobs....
1 error generated.
gmake[5]: *** [CMakeFiles/aic_obj.dir/build.make:76: CMakeFiles/aic_obj.dir/home/username/Work/samples/operator/HelloWorldSample/hello_world.cpp.o] Error 1
gmake[4]: *** [CMakeFiles/Makefile2:141: CMakeFiles/aic_obj.dir/all] Error 2
gmake[3]: *** [Makefile:91: all] Error 2
gmake[2]: *** [CMakeFiles/kernels_preprocess.dir/build.make:86: kernels_preprocess-prefix/src/kernels_preprocess-stamp/kernels_preprocess-build] Error 2
gmake[1]: *** [CMakeFiles/Makefile2:124: CMakeFiles/kernels_preprocess.dir/all] Error 2
gmake: *** [Makefile:136: all] Error 2
-- Install configuration: "Debug"
CMake Error at build/cmake_install.cmake:46 (file):
  file INSTALL cannot find
  "/home/username/Work/samples/operator/HelloWorldSample/build/lib/libkernels.a":
  No such file or directory.

run.sh: line 53: ./build/main: No such file or directory
Error, Expected 8 occurrences of Hello World, but found 0 occurrences.
```

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