boostorg / boostorg/multi_array
NVCC unable to compile multi_arrays
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描述
I am trying to use multi_arrays in a CUDA GPU project and NVCC is unable to compile it.
NVCC version is 12.3 (error also occurs with other versions)
Boost version is 1.84.0 (error also occurs with other versions)
I used the following command to compile:
`nvcc -o C:/_repro/output.exe C:/_repro/main.cu -IC:/boost_1_84_0`
I am using the following code (main.cu):
```C++
#include
int main()
{
boost::multi_array my_arr;
return 0;
}
```
I get the following errors:
```
C:/boost_1_84_0\boost/multi_array/base.hpp(408): error C2988: unrecognizable template declaration/definition
C:/boost_1_84_0\boost/multi_array/base.hpp(408): error C2143: syntax error: missing ')' before '<'
C:/boost_1_84_0\boost/multi_array/base.hpp(408): error C2143: syntax error: missing ';' before '<'
C:/boost_1_84_0\boost/multi_array/base.hpp(408): error C2238: unexpected token(s) preceding ';'
C:/boost_1_84_0\boost/multi_array/base.hpp(408): error C2059: syntax error: '<'
C:/boost_1_84_0\boost/multi_array/base.hpp(414): error C2059: syntax error: ')'
C:/boost_1_84_0\boost/multi_array/base.hpp(494): error C2143: syntax error: missing ';' before '}'
C:/boost_1_84_0\boost/multi_array/base.hpp(494): error C2238: unexpected token(s) preceding ';'
```
Several more errors occur when I attempt to use further multi_array functionality such as extents and indexing, this is just a minimal example. Additionally, the code compiles just fine when you change the file extention to .cpp, but I assume this is just NVCC falling back on the default cl.exe compiler. I specifically need multi_arrays to compile within a .cu file along with CUDA device code.
Any help is much appreciated, thank you.
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调研方向
Reproduce the minimal example from main.cu with the shown NVCC command, then inspect boost/multi_array/base.hpp around lines 408 and 414 where NVCC reports syntax errors. Compare the .cu and .cpp compilation paths; done means the minimal multi_array declaration compiles in a .cu file with NVCC.
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