事实证明,我在错误的位置添加了-g
标志。
ISPC示例包括一个“ master” CMake文件,该文件具有许多常用选项,称为AddISPCExample.cmake
。每个示例都会执行此文件。每个示例还包括自己的CMakeLists.txt
及其选项。我最初通过添加以下行来修改AddISPCExample.cmake
:
# add debug flag
target_compile_options(${example_NAME} PRIVATE -g)
在更仔细地检查了构建输出之后,结果发现这导致-g
标志被添加到simple.exe
的MSVC编译器标志中(以下[2/3]命令),而不是到simple.ispc
的ispc编译器标志(下面的[1/3]命令):
>------ Rebuild started: Project: CMakeLists,Configuration: Debug ------
Build started 14-Nov-19 6:40:58.
RunExternalTool:
[1/3] cmd.exe /C "cd /D "C:\Users\Daniel\CMakeBuilds\7d280c73-3384-fd31-a5a6-63248b2e8dd4\build\x64-Debug (default)\simple" && C:\bin\ispc.exe C:/Users/Daniel/Downloads/ispc-v1.12.0-windows/examples/simple/simple.ispc -O2 --target=sse2 --arch=x86-64 -h "C:/Users/Daniel/CMakeBuilds/7d280c73-3384-fd31-a5a6-63248b2e8dd4/build/x64-Debug (default)/simple/simple_ispc.h" -o "C:/Users/Daniel/CMakeBuilds/7d280c73-3384-fd31-a5a6-63248b2e8dd4/build/x64-Debug (default)/simple/simple_ispc.obj""
[2/3] C:\PROGRA~2\MICROS~1\2017\ENTERP~1\VC\Tools\MSVC\1416~1.270\bin\HostX64\x64\cl.exe /nologo /TP -Isimple /DWIN32 /D_WINDOWS /W3 /GR /EHsc /MDd /Zi /Ob0 /Od /RTC1 /fp:fast /Oi -g /showIncludes /Fosimple\CMakeFiles\simple.dir\simple.cpp.obj /Fdsimple\CMakeFiles\simple.dir\ /FS -c C:\Users\Daniel\Downloads\ispc-v1.12.0-windows\examples\simple\simple.cpp
C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\cl : Command line warning D9002: ignoring unknown option '-g'
[3/3] cmd.exe /C "cd . && "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" -E vs_link_exe --intdir=simple\CMakeFiles\simple.dir --manifests -- C:\PROGRA~2\MICROS~1\2017\ENTERP~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\link.exe /nologo simple\simple_ispc.obj simple\CMakeFiles\simple.dir\simple.cpp.obj /out:simple\simple.exe /implib:simple\simple.lib /pdb:simple\simple.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
LINK : simple\simple.exe not found or not built by the last incremental link; performing full link
相反,我通过添加-g
标志来修改the simple example's CMakeLists.txt
:
set (ISPC_FLAGS -O2 -g)
这将导致-g
标志被传递到ispc编译器的命令行(在下面的[2/3]中):
>------ Build started: Project: CMakeLists,Configuration: Debug ------
Build started 14-Nov-19 6:44:17.
RunExternalTool:
[1/3] cmd.exe /C "cd /D "C:\Users\Daniel\CMakeBuilds\7d280c73-3384-fd31-a5a6-63248b2e8dd4\build\x64-Debug (default)\simple" && C:\bin\ispc.exe C:/Users/Daniel/Downloads/ispc-v1.12.0-windows/examples/simple/simple.ispc -O2 -g --target=sse2 --arch=x86-64 -h "C:/Users/Daniel/CMakeBuilds/7d280c73-3384-fd31-a5a6-63248b2e8dd4/build/x64-Debug (default)/simple/simple_ispc.h" -o "C:/Users/Daniel/CMakeBuilds/7d280c73-3384-fd31-a5a6-63248b2e8dd4/build/x64-Debug (default)/simple/simple_ispc.obj""
[2/3] C:\PROGRA~2\MICROS~1\2017\ENTERP~1\VC\Tools\MSVC\1416~1.270\bin\HostX64\x64\cl.exe /nologo /TP -Isimple /DWIN32 /D_WINDOWS /W3 /GR /EHsc /MDd /Zi /Ob0 /Od /RTC1 /fp:fast /Oi /showIncludes /Fosimple\CMakeFiles\simple.dir\simple.cpp.obj /Fdsimple\CMakeFiles\simple.dir\ /FS -c C:\Users\Daniel\Downloads\ispc-v1.12.0-windows\examples\simple\simple.cpp
[3/3] cmd.exe /C "cd . && "C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe" -E vs_link_exe --intdir=simple\CMakeFiles\simple.dir --manifests -- C:\PROGRA~2\MICROS~1\2017\ENTERP~1\VC\Tools\MSVC\1416~1.270\bin\Hostx64\x64\link.exe /nologo simple\simple_ispc.obj simple\CMakeFiles\simple.dir\simple.cpp.obj /out:simple\simple.exe /implib:simple\simple.lib /pdb:simple\simple.pdb /version:0.0 /machine:x64 /debug /INCREMENTAL /subsystem:console kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
LINK : simple\simple.exe not found or not built by the last incremental link; performing full link
Build succeeded.
现在,设置一个断点并进入ispc文件即可(尽管UI有点奇怪):
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