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# Build file for the C10 HIP. This directory doesn't actually contain
# any files; these files are copied over by the HIPIFY script in tools/amd_build
#
# At the moment, this cmake is NOT standalone
include(../../cmake/public/utils.cmake)
if(BUILD_LIBTORCHLESS)
find_library(C10_HIP_LIB c10_hip PATHS $ENV{LIBTORCH_LIB_PATH} NO_DEFAULT_PATH)
endif()
# ---[ Configure macro file.
set(C10_HIP_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS}) # used in cmake_macros.h.in
configure_file(
${CMAKE_CURRENT_LIST_DIR}/impl/hip_cmake_macros.h.in
${CMAKE_BINARY_DIR}/c10/hip/impl/hip_cmake_macros.h)
# NB: All previous cu files are renamed into cc files. This isn't tested at the
# moment.
file(GLOB C10_HIP_SRCS
*.cpp
*.cc
impl/*.cpp
impl/*.cc
)
# Mark the cc files as HIP files, so we call the compiler. (They have to be
# suffixed with cc, because the hcc compiler won't accept them otherwise.)
file(GLOB __c10_hip_srcs_cpp *.cc impl/*.cc)
set_source_files_properties(${__c10_hip_srcs_cpp} PROPERTIES HIP_SOURCE_PROPERTY_FORMAT 1)
file(GLOB_RECURSE C10_HIP_HEADERS *.h)
if(NOT BUILD_LIBTORCHLESS)
hip_add_library(c10_hip ${C10_HIP_SRCS} ${C10_HIP_HEADERS})
# Propagate HIP_CXX_FLAGS that were set from Dependencies.cmake
target_compile_options(c10_hip PRIVATE ${HIP_CXX_FLAGS})
# caffe2_hip adds a bunch of dependencies like rocsparse, but c10/hip is supposed to be
# minimal. I'm not sure if we need hip_hcc or not; for now leave it out
# If building shared library, set dllimport/dllexport proper.
target_compile_options(c10_hip PRIVATE "-DC10_HIP_BUILD_MAIN_LIB")
# Enable hidden visibility if compiler supports it.
if(${COMPILER_SUPPORTS_HIDDEN_VISIBILITY})
target_compile_options(c10_hip PRIVATE "-fvisibility=hidden")
endif()
# ---[ Dependency of c10_hip
target_link_libraries(c10_hip PUBLIC ${C10_LIB} hip::amdhip64)
target_include_directories(
c10_hip PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../..>
$<BUILD_INTERFACE:${CMAKE_BINARY_DIR}>
$<INSTALL_INTERFACE:include>)
install(TARGETS c10_hip EXPORT Caffe2Targets DESTINATION lib)
set(C10_HIP_LIB c10_hip)
endif()
add_subdirectory(test)
# ---[ Installation
install(DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
DESTINATION include
FILES_MATCHING PATTERN "*.h")
install(FILES ${CMAKE_BINARY_DIR}/c10/hip/impl/hip_cmake_macros.h
DESTINATION include/c10/hip/impl)
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