# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
include(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake)
if( NOT ( ("${CMAKE_GENERATOR}" MATCHES "Make") OR
("${CMAKE_GENERATOR}" MATCHES "Ninja") ) )
message(FATAL_ERROR "HIP language not currently supported by \"${CMAKE_GENERATOR}\" generator")
endif()
if(NOT CMAKE_HIP_COMPILER)
set(CMAKE_HIP_COMPILER_INIT NOTFOUND)
# prefer the environment variable HIPCXX
if(NOT $ENV{HIPCXX} STREQUAL "")
if("$ENV{HIPCXX}" MATCHES "hipcc")
message(FATAL_ERROR
"The HIPCXX environment variable is set to the hipcc wrapper:\n"
" $ENV{HIPCXX}\n"
"This is not supported. Use Clang directly, or let CMake pick a default."
)
endif()
get_filename_component(CMAKE_HIP_COMPILER_INIT $ENV{HIPCXX} PROGRAM PROGRAM_ARGS CMAKE_HIP_FLAGS_ENV_INIT)
if(CMAKE_HIP_FLAGS_ENV_INIT)
set(CMAKE_HIP_COMPILER_ARG1 "${CMAKE_HIP_FLAGS_ENV_INIT}" CACHE STRING "Arguments to CXX compiler")
endif()
if(NOT EXISTS ${CMAKE_HIP_COMPILER_INIT})
message(FATAL_ERROR "Could not find compiler set in environment variable HIPCXX:\n$ENV{HIPCXX}.\n${CMAKE_HIP_COMPILER_INIT}")
endif()
endif()
# finally list compilers to try
if(NOT CMAKE_HIP_COMPILER_INIT)
set(CMAKE_HIP_COMPILER_LIST clang++)
# Look for the Clang coming with ROCm to support HIP.
execute_process(COMMAND hipconfig --hipclangpath
OUTPUT_VARIABLE _CMAKE_HIPCONFIG_CLANGPATH
RESULT_VARIABLE _CMAKE_HIPCONFIG_RESULT
)
if(_CMAKE_HIPCONFIG_RESULT EQUAL 0 AND EXISTS "${_CMAKE_HIPCONFIG_CLANGPATH}")
set(CMAKE_HIP_COMPILER_HINTS "${_CMAKE_HIPCONFIG_CLANGPATH}")
endif()
endif()
_cmake_find_compiler(HIP)
elseif(CMAKE_HIP_COMPILER MATCHES "hipcc")
message(FATAL_ERROR
"CMAKE_HIP_COMPILER is set to the hipcc wrapper:\n"
" ${CMAKE_HIP_COMPILER}\n"
"This is not supported. Use Clang directly, or let CMake pick a default."
)
else()
_cmake_find_compiler_path(HIP)
endif()
mark_as_advanced(CMAKE_HIP_COMPILER)
# Build a small source file to identify the compiler.
if(NOT CMAKE_HIP_COMPILER_ID_RUN)
set(CMAKE_HIP_COMPILER_ID_RUN 1)
# Try to identify the compiler.
set(CMAKE_HIP_COMPILER_ID)
set(CMAKE_HIP_PLATFORM_ID)
file(READ ${CMAKE_ROOT}/Modules/CMakePlatformId.h.in
CMAKE_HIP_COMPILER_ID_PLATFORM_CONTENT)
list(APPEND CMAKE_HIP_COMPILER_ID_TEST_FLAGS_FIRST "-v")
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)
CMAKE_DETERMINE_COMPILER_ID(HIP HIPFLAGS CMakeHIPCompilerId.hip)
_cmake_find_compiler_sysroot(HIP)
endif()
if(NOT CMAKE_HIP_COMPILER_ROCM_ROOT AND CMAKE_HIP_COMPILER_ID STREQUAL "Clang")
execute_process(COMMAND "${CMAKE_HIP_COMPILER}" -v -print-targets
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE _CMAKE_HIP_COMPILER_RESULT
OUTPUT_VARIABLE _CMAKE_HIP_COMPILER_STDOUT
ERROR_VARIABLE _CMAKE_HIP_COMPILER_STDERR
)
if(_CMAKE_HIP_COMPILER_RESULT EQUAL 0 AND _CMAKE_HIP_COMPILER_STDERR MATCHES "Found HIP installation: *([^,]*)[,\n]")
set(CMAKE_HIP_COMPILER_ROCM_ROOT "${CMAKE_MATCH_1}")
endif()
endif()
if(NOT CMAKE_HIP_COMPILER_ROCM_ROOT)
execute_process(
COMMAND hipconfig --rocmpath
OUTPUT_VARIABLE _CMAKE_HIPCONFIG_ROCMPATH
RESULT_VARIABLE _CMAKE_HIPCONFIG_RESULT
)
if(_CMAKE_HIPCONFIG_RESULT EQUAL 0 AND EXISTS "${_CMAKE_HIPCONFIG_ROCMPATH}")
set(CMAKE_HIP_COMPILER_ROCM_ROOT "${_CMAKE_HIPCONFIG_ROCMPATH}")
endif()
endif()
if(NOT CMAKE_HIP_COMPILER_ROCM_ROOT)
message(FATAL_ERROR "Failed to find ROCm root directory.")
endif()
if(NOT EXISTS "${CMAKE_HIP_COMPILER_ROCM_ROOT}/lib/cmake/hip-lang/hip-lang-config.cmake")
message(FATAL_ERROR
"The ROCm root directory:\n"
" ${CMAKE_HIP_COMPILER_ROCM_ROOT}\n"
"does not contain the HIP runtime CMake package, expected at:\n"
" ${CMAKE_HIP_COMPILER_ROCM_ROOT}/lib/cmake/hip-lang/hip-lang-config.cmake\n"
)
endif()
if (NOT _CMAKE_TOOLCHAIN_LOCATION)
get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_HIP_COMPILER}" PATH)
endif ()
set(_CMAKE_PROCESSING_LANGUAGE "HIP")
include(CMakeFindBinUtils)
include(Compiler/${CMAKE_HIP_COMPILER_ID}-FindBinUtils OPTIONAL)
unset(_CMAKE_PROCESSING_LANGUAGE)
if(CMAKE_HIP_COMPILER_SYSROOT)
string(CONCAT _SET_CMAKE_HIP_COMPILER_SYSROOT
"set(CMAKE_HIP_COMPILER_SYSROOT \"${CMAKE_HIP_COMPILER_SYSROOT}\")\n"
"set(CMAKE_COMPILER_SYSROOT \"${CMAKE_HIP_COMPILER_SYSROOT}\")")
else()
set(_SET_CMAKE_HIP_COMPILER_SYSROOT "")
endif()
if(CMAKE_HIP_COMPILER_ARCHITECTURE_ID)
set(_SET_CMAKE_HIP_COMPILER_ARCHITECTURE_ID
"set(CMAKE_HIP_COMPILER_ARCHITECTURE_ID ${CMAKE_HIP_COMPILER_ARCHITECTURE_ID})")
else()
set(_SET_CMAKE_HIP_COMPILER_ARCHITECTURE_ID "")
endif()
if(MSVC_HIP_ARCHITECTURE_ID)
set(SET_MSVC_HIP_ARCHITECTURE_ID
"set(MSVC_HIP_ARCHITECTURE_ID ${MSVC_HIP_ARCHITECTURE_ID})")
endif()
if(NOT DEFINED CMAKE_HIP_ARCHITECTURES)
# Use 'rocm_agent_enumerator' to get the current GPU architecture.
set(_CMAKE_HIP_ARCHITECTURES)
find_program(_CMAKE_HIP_ROCM_AGENT_ENUMERATOR
NAMES rocm_agent_enumerator
HINTS "${CMAKE_HIP_COMPILER_ROCM_ROOT}/bin"
NO_CACHE)
if(_CMAKE_HIP_ROCM_AGENT_ENUMERATOR)
execute_process(COMMAND "${_CMAKE_HIP_ROCM_AGENT_ENUMERATOR}" -t GPU
RESULT_VARIABLE _CMAKE_ROCM_AGENT_ENUMERATOR_RESULT
OUTPUT_VARIABLE _CMAKE_ROCM_AGENT_ENUMERATOR_STDOUT
ERROR_VARIABLE _CMAKE_ROCM_AGENT_ENUMERATOR_STDERR
)
if(_CMAKE_ROCM_AGENT_ENUMERATOR_RESULT EQUAL 0)
separate_arguments(_hip_archs NATIVE_COMMAND "${_CMAKE_ROCM_AGENT_ENUMERATOR_STDOUT}")
foreach(_hip_arch ${_hip_archs})
if(_hip_arch STREQUAL "gfx000")
continue()
endif()
string(FIND ${_hip_arch} ":" pos)
if(NOT pos STREQUAL "-1")
string(SUBSTRING ${_hip_arch} 0 ${pos} _hip_arch)
endif()
list(APPEND _CMAKE_HIP_ARCHITECTURES "${_hip_arch}")
endforeach()
endif()
unset(_CMAKE_ROCM_AGENT_ENUMERATOR_RESULT)
unset(_CMAKE_ROCM_AGENT_ENUMERATOR_STDOUT)
unset(_CMAKE_ROCM_AGENT_ENUMERATOR_STDERR)
endif()
unset(_CMAKE_HIP_ROCM_AGENT_ENUMERATOR)
if(_CMAKE_HIP_ARCHITECTURES)
set(CMAKE_HIP_ARCHITECTURES "${_CMAKE_HIP_ARCHITECTURES}" CACHE STRING "HIP architectures")
elseif(CMAKE_HIP_COMPILER_PRODUCED_OUTPUT MATCHES " -target-cpu ([a-z0-9]+) ")
set(CMAKE_HIP_ARCHITECTURES "${CMAKE_MATCH_1}" CACHE STRING "HIP architectures")
else()
message(FATAL_ERROR "Failed to find a default HIP architecture.")
endif()
unset(_CMAKE_HIP_ARCHITECTURES)
endif()
# configure variables set in this file for fast reload later on
configure_file(${CMAKE_ROOT}/Modules/CMakeHIPCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeHIPCompiler.cmake
@ONLY
)
set(CMAKE_HIP_COMPILER_ENV_VAR "HIPCXX")