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##===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.txt for details.
#
##===----------------------------------------------------------------------===##
#
# Build a plugin for an AMDGPU machine if available.
#
##===----------------------------------------------------------------------===##
################################################################################
set(LIBOMPTARGET_BUILD_AMDGPU_PLUGIN TRUE CACHE BOOL
"Whether to build AMDGPU plugin")
if (NOT LIBOMPTARGET_BUILD_AMDGPU_PLUGIN)
libomptarget_say("Not building AMDGPU NextGen offloading plugin: LIBOMPTARGET_BUILD_AMDGPU_PLUGIN is false")
return()
endif()
# as of rocm-3.7, hsa is installed with cmake packages and kmt is found via hsa
find_package(hsa-runtime64 QUIET 1.2.0 HINTS ${CMAKE_INSTALL_PREFIX} PATHS /opt/rocm)
if(NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(ppc64le)|(aarch64)$" AND CMAKE_SYSTEM_NAME MATCHES "Linux"))
libomptarget_say("Not building AMDGPU NextGen plugin: only support AMDGPU in Linux x86_64, ppc64le, or aarch64 hosts")
return()
endif()
################################################################################
# Define the suffix for the runtime messaging dumps.
add_definitions(-DTARGET_NAME=AMDGPU)
# Define debug prefix. TODO: This should be automatized in the Debug.h but it
# requires changing the original plugins.
add_definitions(-DDEBUG_PREFIX="TARGET AMDGPU RTL")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "(ppc64le)|(aarch64)$")
add_definitions(-DLITTLEENDIAN_CPU=1)
endif()
if(CMAKE_BUILD_TYPE MATCHES Debug)
add_definitions(-DDEBUG)
endif()
set(LIBOMPTARGET_DLOPEN_LIBHSA OFF)
option(LIBOMPTARGET_FORCE_DLOPEN_LIBHSA "Build with dlopened libhsa" ${LIBOMPTARGET_DLOPEN_LIBHSA})
if (${hsa-runtime64_FOUND} AND NOT LIBOMPTARGET_FORCE_DLOPEN_LIBHSA)
libomptarget_say("Building AMDGPU NextGen plugin linked against libhsa")
set(LIBOMPTARGET_EXTRA_SOURCE)
set(LIBOMPTARGET_DEP_LIBRARIES hsa-runtime64::hsa-runtime64)
else()
libomptarget_say("Building AMDGPU NextGen plugin for dlopened libhsa")
include_directories(../../plugins/amdgpu/dynamic_hsa)
set(LIBOMPTARGET_EXTRA_SOURCE ../../plugins/amdgpu/dynamic_hsa/hsa.cpp)
set(LIBOMPTARGET_DEP_LIBRARIES)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
# On FreeBSD, the 'environ' symbol is undefined at link time, but resolved by
# the dynamic linker at runtime. Therefore, allow the symbol to be undefined
# when creating a shared library.
set(LDFLAGS_UNDEFINED "-Wl,--allow-shlib-undefined")
else()
set(LDFLAGS_UNDEFINED "-Wl,-z,defs")
endif()
add_llvm_library(omptarget.rtl.amdgpu.nextgen SHARED
src/rtl.cpp
${LIBOMPTARGET_EXTRA_SOURCE}
ADDITIONAL_HEADER_DIRS
${LIBOMPTARGET_INCLUDE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/utils
LINK_COMPONENTS
Support
Object
LINK_LIBS
PRIVATE
elf_common
MemoryManager
PluginInterface
${LIBOMPTARGET_DEP_LIBRARIES}
${OPENMP_PTHREAD_LIB}
${LDFLAGS_UNDEFINED}
NO_INSTALL_RPATH
)
if (LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
target_link_libraries(omptarget.rtl.amdgpu.nextgen PRIVATE
"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/../exports")
endif()
target_include_directories(
omptarget.rtl.amdgpu.nextgen
PRIVATE
${LIBOMPTARGET_INCLUDE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/utils
)
# Install plugin under the lib destination folder.
install(TARGETS omptarget.rtl.amdgpu.nextgen LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
set_target_properties(omptarget.rtl.amdgpu.nextgen PROPERTIES
INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
CXX_VISIBILITY_PRESET protected)
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