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FindCUDA: Do not assume CMAKE_SYSTEM_PROCESSOR is set

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CMAKE_SYSTEM_PROCESSOR is not guaranteed to be defined (per
http://www.cmake.org/Wiki/CMake_Cross_Compiling), and when cross
compiling where it happens to be undefined, this module was broken.

Reviewed-by: Rolf Eike Beer <eike@sf-mail.de>
This commit is contained in:
Mark Abraham 2015-01-04 14:37:51 +01:00 committed by Brad King
parent 62b1998403
commit d5846eb153
1 changed files with 2 additions and 2 deletions
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4
Modules/FindCUDA.cmake
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@ -613,7 +613,7 @@ endif()
set(CUDA_VERSION_STRING "${CUDA_VERSION}")
# Support for arm cross compilation with CUDA 5.5
if(CUDA_VERSION VERSION_GREATER "5.0" AND CMAKE_CROSSCOMPILING AND ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm" AND EXISTS "${CUDA_TOOLKIT_ROOT_DIR}/targets/armv7-linux-gnueabihf")
if(CUDA_VERSION VERSION_GREATER "5.0" AND CMAKE_CROSSCOMPILING AND CMAKE_SYSTEM_PROCESSOR MATCHES "arm" AND EXISTS "${CUDA_TOOLKIT_ROOT_DIR}/targets/armv7-linux-gnueabihf")
set(CUDA_TOOLKIT_TARGET_DIR "${CUDA_TOOLKIT_ROOT_DIR}/targets/armv7-linux-gnueabihf" CACHE PATH "Toolkit target location.")
else()
set(CUDA_TOOLKIT_TARGET_DIR "${CUDA_TOOLKIT_ROOT_DIR}" CACHE PATH "Toolkit target location.")
@ -621,7 +621,7 @@ endif()
mark_as_advanced(CUDA_TOOLKIT_TARGET_DIR)
# Target CPU architecture
if(CUDA_VERSION VERSION_GREATER "5.0" AND CMAKE_CROSSCOMPILING AND ${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
if(CUDA_VERSION VERSION_GREATER "5.0" AND CMAKE_CROSSCOMPILING AND CMAKE_SYSTEM_PROCESSOR MATCHES "arm")
set(_cuda_target_cpu_arch_initial "ARM")
else()
set(_cuda_target_cpu_arch_initial "")