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Enable hip-clang with cmake changes to link -lpthread and -lm #29

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aaronenyeshi
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This will help fix build issues for tests using hip-clang.

@@ -56,6 +56,10 @@ foreach(test_src ${rocRAND_TEST_SRCS})
foreach(amdgpu_target ${AMDGPU_TARGETS})
target_link_libraries(${test_name} --amdgpu-target=${amdgpu_target})
endforeach()
if(CMAKE_CXX_COMPILER MATCHES ".*/hipcc$")
# hip-clang needs specific flag to turn on pthread and m
target_link_libraries(${test_name} -lpthread -lm)
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@jszuppe jszuppe Aug 16, 2018

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It should be target_link_libraries(${test_name} m). As for pthread:

set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package(Threads REQUIRED)

should be in cmake/Dependencies.cmake (if it's needed only for tests then it should be in test dependencies section) and later target_link_libraries(${test_name} Threads::Threads). See https://cmake.org/cmake/help/latest/module/FindThreads.html

@aaronenyeshi
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Fixed with HIP PR ROCm/HIP#637

@aaronenyeshi aaronenyeshi deleted the hip-clang branch August 21, 2018 17:59
@ax3l
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ax3l commented Sep 3, 2021

The linked PR is not a fix but a work-around.
If one builds against rocRAND with clang -x hip directly, e.g., with recent CMake builds - then rocRAND should declare its public link dependencies directly :)

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3 participants