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Use CMAKE_CUDA_FLAGS_${CMAKE_BUILD_TYPE} if appropriate.

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This commit is contained in:
Markus Blatt 2020-04-27 22:01:46 +02:00
parent 4e0cd2a77e
commit 46ccc77959
1 changed files with 5 additions and 2 deletions
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7
CMakeLists.txt
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@ -93,15 +93,18 @@ include ("${project}-prereqs")
# compatibility to cmake 3.6 and lower.
if(NOT CMAKE_DISABLE_FIND_PACKAGE_CUDA AND
CMAKE_VERSION VERSION_GREATER 3.7.9)
if(CMAKE_BUILD_TYPE)
set(_flags_suffix "_${CMAKE_BUILD_TYPE}")
endif()
if(NOT DEFINED ENV{CUDAHOSTCXX} AND
(NOT CMAKE_CUDA_FLAGS OR NOT CMAKE_CUDA_FLAGS MATCHES ".*-ccbin .*"))
(NOT CMAKE_CUDA_FLAGS${_flags_suffix} OR NOT CMAKE_CUDA_FLAGS${_flags_suffix} MATCHES ".*-ccbin .*"))
message(STATUS "Setting CUDA host compiler to ${CMAKE_CXX_COMPILER} to "
"prevent incompatibilities. Note that this might report that there "
"is not CUDA compiler if your system's CUDA compiler does not support "
"${CMAKE_CXX_COMPILER}.")
# set(CMAKE_CUDA_FLAGS "-ccbin ${CMAKE_CXX_COMPILER} ${CMAKE_CUDA_FLAGS}")
# check_language does not seem to care about ${CMAKE_CUDA_FLAGS}.
# Hence set(CMAKE_CUDA_FLAGS "-ccbin ${CMAKE_CXX_COMPILER} ${CMAKE_CUDA_FLAGS}")
# Hence set(CMAKE_CUDA_FLAGS$(_flags_suffix) "-ccbin ${CMAKE_CXX_COMPILER} ${CMAKE_CUDA_FLAGS${_flags_suffix}}")
# would have no effect. We need to set the environment variable ENV{CUDAHOSTCXX} such
# that cuda picks up the correct compiler during check_language.
# In check_language(CUDA) we will get and error if we set and put