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Merge topic 'FindCUDA-ccbin-env'

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8085799ce3 FindCUDA: Add option to set CUDA_HOST_COMPILER via environment

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2391
This commit is contained in:
Brad King
2018-09-20 13:35:39 +00:00
committed by Kitware Robot
parent cc6e2b95d9 8085799ce3
commit 9964808108
2 changed files with 9 additions and 1 deletions
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4
Help/envvar/CUDAHOSTCXX.rst
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@@ -7,3 +7,7 @@ determine ``CUDA`` host compiler, after which the value for ``CUDAHOSTCXX`` is
stored in the cache as :variable:`CMAKE_CUDA_HOST_COMPILER`. For any
configuration run (including the first), the environment variable will be
ignored if the :variable:`CMAKE_CUDA_HOST_COMPILER` variable is defined.
This environment variable is primarily meant for use with projects that
enable ``CUDA`` as a first-class language. The :module:`FindCUDA`
module will also use it to initialize its ``CUDA_HOST_COMPILER`` setting.

6
Modules/FindCUDA.cmake
View File

@@ -105,6 +105,8 @@
# the host compiler is constructed with one or more visual studio macros
# such as $(VCInstallDir), that expands out to the path when
# the command is run from within VS.
# If the CUDAHOSTCXX environment variable is set it will
# be used as the default.
#
# CUDA_NVCC_FLAGS
# CUDA_NVCC_FLAGS_<CONFIG>
@@ -527,7 +529,9 @@ option(CUDA_HOST_COMPILATION_CPP "Generated file extension" ON)
# Extra user settable flags
cmake_initialize_per_config_variable(CUDA_NVCC_FLAGS "Semi-colon delimit multiple arguments.")
if(CMAKE_GENERATOR MATCHES "Visual Studio")
if(DEFINED ENV{CUDAHOSTCXX})
set(CUDA_HOST_COMPILER "$ENV{CUDAHOSTCXX}" CACHE FILEPATH "Host side compiler used by NVCC")
elseif(CMAKE_GENERATOR MATCHES "Visual Studio")
set(_CUDA_MSVC_HOST_COMPILER "$(VCInstallDir)Tools/MSVC/$(VCToolsVersion)/bin/Host$(Platform)/$(PlatformTarget)")
if(MSVC_VERSION LESS 1910)
set(_CUDA_MSVC_HOST_COMPILER "$(VCInstallDir)bin")