编译examples/windows/x86/build_msvc_native无法通过

[phlas-end]

1. 环境（environment）

• Build OS and Version:Windows

2. Github版本

• branch：0.3.0

3. 编译方式(compile method)
cd <path_to_tnn>\examples\windows\x86
.\build_msvc_native.bat

4. 编译日志(build log)

ECHO 处于关闭状态。
子目录或文件 build_win 已经存在。
E:/TNN_C++/C++_use/TNN
E:/TNN_C++/C++_use/TNN
-- >>>>>>>>>>>>>
-- TNN BUILD INFO:
--      System: Windows
--      Processor:
--      Cpu:    ON
--      X86:    ON
--      Arm:    OFF
--      Arm82:  OFF
--      Metal:  OFF
--      OpenCL: OFF
--      CUDA:   OFF
--      DSP:    OFF
--      Atlas:  OFF
--      TensorRT:       OFF
--      AppleNPU:       OFF
--      HuaweiNPU:      OFF
--      RKNPU:  OFF
--      OpenVINO:       OFF
--      OpenMP: OFF
--      TEST:   ON
--      --Unit Test:    OFF
--      Quantization:   OFF
--      ModelCheck:     OFF
--      DEBUG:
--      PROFILE:        OFF
--      BENCHMARK:      OFF
--      BENCHMARK Layer:        OFF
--      Model Converter:        OFF
--      ONNX2TNN Converter:     OFF
--      TNN2MEM:        OFF
--      BENCHMARK Test Lib:     OFF
--      Dynamic Range Quantization:     OFF
-- Configuring done
-- Generating done
-- Build files have been written to: E:/TNN_C++/C++_use/TNN/scripts/build_win
ninja: no work to do.
!cd!
-- The C compiler identification is MSVC 19.16.27048.0
-- The CXX compiler identification is MSVC 19.16.27048.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: E:/VS2017/VC/Tools/MSVC/14.16.27023/bin/Hostx64/x64/cl.exe - 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: E:/VS2017/VC/Tools/MSVC/14.16.27023/bin/Hostx64/x64/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
E:/TNN_C++/C++_use/TNN/examples/windows/x86
E:\TNN_C++\C++_use\TNN\examples\windows\x86\\..\..\..\scripts\build_win\
-- Check size of __int32
-- Check size of __int32 - done
-- Configuring done
-- Generating done
-- Build files have been written to: E:/TNN_C++/C++_use/TNN/examples/windows/x86/build_msvc_native
[1/215] Building CXX object CMakeFiles\demo_x86_imageclass...NN_C++\C++_use\TNN\examples\base\face_gray_transfer.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[2/215] Building CXX object CMakeFiles\demo_x86_imageclass...TNN_C++\C++_use\TNN\examples\base\hair_segmentation.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[3/215] Building CXX object CMakeFiles\demo_x86_imageclass...N_C++\C++_use\TNN\examples\base\face_detect_aligner.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[4/215] Building CXX object CMakeFiles\demo_x86_imageclass...\TNN_C++\C++_use\TNN\examples\base\face_detect_mesh.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[5/215] Building CXX object CMakeFiles\demo_x86_imageclass...\TNN_C++\C++_use\TNN\examples\base\image_classifier.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[6/215] Building CXX object CMakeFiles\demo_x86_imageclass...+\C++_use\TNN\examples\base\object_detector_nanodet.cc.obj
FAILED: CMakeFiles/demo_x86_imageclassify.dir/E_/TNN_C++/C++_use/TNN/examples/base/object_detector_nanodet.cc.obj
E:\VS2017\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\cl.exe  /nologo /TP -DGFLAGS_IS_A_DLL=0 -IE:\TNN_C++\C++_use\TNN\third_party\gflags\include -IE:\TNN_C++\C++_use\TNN\examples\windows\x86\..\..\..\include -IE:\TNN_C++\C++_use\TNN\examples\windows\x86\..\..\base -IE:\TNN_C++\C++_use\TNN\examples\windows\x86\..\..\utils /DWIN32 /D_WINDOWS /W3 /GR /EHsc /w /MD /O2 /Ob2 /DNDEBUG /showIncludes /FoCMakeFiles\demo_x86_imageclassify.dir\E_\TNN_C++\C++_use\TNN\examples\base\object_detector_nanodet.cc.obj /FdCMakeFiles\demo_x86_imageclassify.dir\ /FS -c E:\TNN_C++\C++_use\TNN\examples\base\object_detector_nanodet.cc
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
E:\TNN_C++\C++_use\TNN\examples\base\object_detector_nanodet.cc(183): error C2131: 表达式的计算结果不是常数
E:\TNN_C++\C++_use\TNN\examples\base\object_detector_nanodet.cc(183): note: 因读取超过生命周期的变量而失败
E:\TNN_C++\C++_use\TNN\examples\base\object_detector_nanodet.cc(183): note: 请参见“this”的用法
[7/215] Building CXX object CMakeFiles\demo_x86_imageclassify.dir\E_\TNN_C++\C++_use\TNN\examples\base\monodepth.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[8/215] Building CXX object CMakeFiles\demo_x86_imageclassify.dir\E_\TNN_C++\C++_use\TNN\examples\base\face_mesh.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
[9/215] Building CXX object CMakeFiles\demo_x86_imageclass...N_C++\C++_use\TNN\examples\base\object_detector_ssd.cc.obj
cl: 命令行 warning D9025 :正在重写“/W3”(用“/w”)
ninja: build stopped: subcommand failed.
命令语法不正确。
Build Successfully!

5. 详细描述bug 情况 (Describe the bug)
按照官方文档，编译examples/windows/x86/build_msvc_native无法通过

[Smeegol]

遇到同样的问题。TNN不维护了吗？闭源了吗？QQ群也没有一点官方回复

[Maosquerade]

很抱歉造成问题，这里是引用了一些 x86 尚未支持的 demo 导致错误，目前可以删除原有编译文件切到 fix_windows_x86_build 分支进行编译解决，后续会尽快合进 master

[Maosquerade]

问题已修复，可以用 master编译了