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Merge topic 'FindCUDA-fixes' 

1aa5c1be FindCUDA: Fix missing librt on Linux when using static cuda runtime.
aab1f6e9 FindCUDA: Restore default behavior of CUDA_USE_STATIC_CUDA_RUNTIME
This commit is contained in:
Brad King 2016-08-15 08:59:48 -04:00 committed by CMake Topic Stage
parent 33d4aff50d 1aa5c1bec8
commit 7fe5c79dd0
1 changed files with 11 additions and 9 deletions
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20
Modules/FindCUDA.cmake
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@ -779,18 +779,19 @@ if(CUDA_VERSION VERSION_EQUAL "3.0")
)
endif()
if(CUDA_USE_STATIC_CUDA_RUNTIME AND NOT CUDA_VERSION VERSION_LESS "5.5")
if(NOT CUDA_VERSION VERSION_LESS "5.5")
cuda_find_library_local_first(CUDA_cudart_static_LIBRARY cudart_static "static CUDA runtime library")
mark_as_advanced(CUDA_cudart_static_LIBRARY)
endif()
if(CUDA_cudart_static_LIBRARY)
# Set whether to use the static cuda runtime.
# If static cudart available, use it by default, but provide a user-visible option to disable it.
option(CUDA_USE_STATIC_CUDA_RUNTIME "Use the static version of the CUDA runtime library if available" ON)
set(CUDA_CUDART_LIBRARY_VAR CUDA_cudart_static_LIBRARY)
else()
option(CUDA_USE_STATIC_CUDA_RUNTIME "Use the static version of the CUDA runtime library if available" OFF)
# If not available, silently disable the option.
set(CUDA_USE_STATIC_CUDA_RUNTIME OFF CACHE INTERNAL "")
set(CUDA_CUDART_LIBRARY_VAR CUDA_CUDART_LIBRARY)
endif()
@ -817,12 +818,13 @@ if(CUDA_USE_STATIC_CUDA_RUNTIME)
else()
unset(CMAKE_THREAD_PREFER_PTHREAD)
endif()
endif()
if (UNIX AND NOT APPLE AND CUDA_VERSION VERSION_LESS "7.0")
# Before CUDA 7.0, there was librt that has things such as, clock_gettime, shm_open, and shm_unlink.
find_library(CUDA_rt_LIBRARY rt)
if (NOT CUDA_rt_LIBRARY)
message(WARNING "Expecting to find librt for libcudart_static, but didn't find it.")
if(NOT APPLE)
#On Linux, you must link against librt when using the static cuda runtime.
find_library(CUDA_rt_LIBRARY rt)
if (NOT CUDA_rt_LIBRARY)
message(WARNING "Expecting to find librt for libcudart_static, but didn't find it.")
endif()
endif()
endif()
endif()