matteosal opened a new issue #20836:
URL: https://github.com/apache/incubator-mxnet/issues/20836
Building with oneDNN tries to install oneDNN headers in the root directory:
```
CMake Error at 3rdparty/onednn/src/cmake_install.cmake:68 (file):
file INSTALL cannot copy file
"/home/matteo/Git/mxnet-build/Build/Linux-x86-64/MKL/mxnet/3rdparty/onednn/src/../include/dnnl.h"
to "/onednn/dnnl.h": Permission denied.
Call Stack (most recent call first):
3rdparty/onednn/cmake_install.cmake:47 (include)
cmake_install.cmake:86 (include)
```
I see this on Linux, Mac and Windows.
It might be due to the fact that `CMAKE_INSTALL_INCLUDEDIR` is an empty
string in [this
command](https://github.com/oneapi-src/oneDNN/blob/f40443c413429c29570acd6cf5e3d1343cf647b4/src/CMakeLists.txt#L144),
although I don't have proof of this.
Moreover, are these headers even needed for anything? I could link to the
library just fine even without those headers
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