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| author | Brad King <brad.king@kitware.com> | 2017-10-04 13:04:07 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2017-10-04 14:25:47 (GMT) |
| commit | 7914fb82234a9b94ca32879763623bb7c8a4e008 (patch) | |
| tree | 177adb89e191bba71572143a8b9c634b889a1bf2 /Help/command/site_name.rst | |
| parent | 0e1ef0ca397db5f0292a218dadc997a7690205cd (diff) | |
| download | CMake-7914fb82234a9b94ca32879763623bb7c8a4e008.zip CMake-7914fb82234a9b94ca32879763623bb7c8a4e008.tar.gz CMake-7914fb82234a9b94ca32879763623bb7c8a4e008.tar.bz2 | |
CUDA: Fix default selection of host compiler used to drive linking
When no explicit `CMAKE_CUDA_HOST_COMPILER` is specified by the user
then we do not pass `-ccbin` to `nvcc`. In this case, nvcc's link line
we extract during the compiler identification step may not have the
absolute path to the host compiler it uses to drive linking. If it is
not absolute, use the `PATH=` from nvcc's output to search for it since
that is the one `nvcc` would use.
This fixes our internal `CMAKE_CUDA_HOST_LINK_LAUNCHER` value used to
construct link lines when using `CUDA` as the linker language. It needs
to match the host compiler `nvcc` uses internally during compilation.
Fixes: #17323
Diffstat (limited to 'Help/command/site_name.rst')
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