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Simplifies cross compilation with CUDA for ARM boards. CUDA arch is set for all ARM targets, --unresolved-symbols=ignore-in-shared-libs is set when cross-compiling for ARM and FindCUDA.cmake was adjusted to find shared library stubs within the CUDA toolkit.

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This commit is contained in:
Andreas Franek 2015-10-30 18:28:19 +01:00
parent dfec99691b
commit 01c5a0ed12
2 changed files with 14 additions and 9 deletions
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5
cmake/FindCUDA.cmake
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@ -685,6 +685,9 @@ macro(cuda_find_library_local_first_with_path_ext _var _names _doc _path_ext )
# and old paths.
set(_cuda_64bit_lib_dir "${_path_ext}lib/x64" "${_path_ext}lib64" "${_path_ext}libx64" )
endif()
if(CMAKE_CROSSCOMPILING AND (ARM OR AARCH64))
set(_cuda_cross_arm_lib_dir "${_path_ext}lib/stubs")
endif()
if(CUDA_VERSION VERSION_GREATER "6.0")
set(_cuda_static_lib_names "")
foreach(name ${_names})
@ -698,7 +701,7 @@ macro(cuda_find_library_local_first_with_path_ext _var _names _doc _path_ext )
PATHS "${CUDA_TOOLKIT_TARGET_DIR}" "${CUDA_TOOLKIT_ROOT_DIR}"
ENV CUDA_PATH
ENV CUDA_LIB_PATH
PATH_SUFFIXES ${_cuda_64bit_lib_dir} "${_path_ext}lib/Win32" "${_path_ext}lib" "${_path_ext}libWin32"
PATH_SUFFIXES ${_cuda_64bit_lib_dir} ${_cuda_cross_arm_lib_dir} "${_path_ext}lib/Win32" "${_path_ext}lib" "${_path_ext}libWin32"
DOC ${_doc}
NO_DEFAULT_PATH
)

6
cmake/OpenCVDetectCUDA.cmake
View File

@ -79,14 +79,12 @@ if(CUDA_FOUND)
endif()
if(NOT DEFINED __cuda_arch_bin)
if(ANDROID)
if(ARM)
set(__cuda_arch_bin "3.2")
set(__cuda_arch_ptx "")
elseif(AARCH64)
set(__cuda_arch_bin "5.3")
set(__cuda_arch_ptx "")
endif()
else()
if(${CUDA_VERSION} VERSION_LESS "5.0")
set(__cuda_arch_bin "1.1 1.2 1.3 2.0 2.1(2.0) 3.0")
@ -200,6 +198,10 @@ if(CUDA_FOUND)
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fno-finite-math-only)
endif()
if(CMAKE_CROSSCOMPILING AND (ARM OR AARCH64))
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xlinker --unresolved-symbols=ignore-in-shared-libs)
endif()
# disabled because of multiple warnings during building nvcc auto generated files
if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GCC_REGEX_VERSION VERSION_GREATER "4.6.0")
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable)