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qiskit-aer/CMakeLists.txt

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# CMake config file to build AER
#
# For Linux and Mac, we can build both statically or dynamically. The latter is
# the default. If you want to build a static executable/library, you need to set
# STATIC_LINKING to True, example:
# out$ cmake -DSTATIC_LINKING=True ..
#
# For Mac, statically linking only happens with user libraries, system libraries cannot
# be linked statically per Apple's indications.
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
file(STRINGS "qiskit_aer/VERSION.txt" VERSION_NUM)
# For ROCm builds we need to make sure the CXX and HIP compilers match and are clang.
# We should do this before the project() call to make sure the compiler options are
# properly assessed.
if(AER_THRUST_BACKEND STREQUAL "ROCM")
if(DEFINED ENV{ROCM_PATH})
set(ROCM_PATH "$ENV{ROCM_PATH}")
else()
set(ROCM_PATH "/opt/rocm")
endif()
if(NOT DEFINED CMAKE_HIP_COMPILER)
if(DEFINED ENV{CMAKE_HIP_COMPILER})
set(CMAKE_HIP_COMPILER "$ENV{CMAKE_HIP_COMPILER}")
else()
set(CMAKE_HIP_COMPILER "${ROCM_PATH}/llvm/bin/clang++")
endif()
endif()
if(NOT DEFINED CMAKE_CXX_COMPILER)
if(DEFINED ENV{CMAKE_CXX_COMPILER})
set(CMAKE_CXX_COMPILER "$ENV{CMAKE_CXX_COMPILER}")
else()
set(CMAKE_CXX_COMPILER "${CMAKE_HIP_COMPILER}")
endif()
endif()
endif()
# Add CUDA to the project if needed.
set(EXTRA_LANGUAGES "")
if(AER_THRUST_BACKEND STREQUAL "CUDA")
list(APPEND EXTRA_LANGUAGES CUDA)
endif()
include(CheckLanguage)
project(qasm_simulator VERSION ${VERSION_NUM} LANGUAGES CXX C ${EXTRA_LANGUAGES} )
list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
list(APPEND CMAKE_PREFIX_PATH ${CMAKE_SOURCE_DIR}/cmake)
if(NOT DEFINED AER_BLAS_LIB_PATH AND DEFINED ENV{AER_BLAS_LIB_PATH})
set(AER_BLAS_LIB_PATH $ENV{AER_BLAS_LIB_PATH})
endif()
if(NOT DEFINED AER_THRUST_BACKEND AND DEFINED ENV{AER_THRUST_BACKEND})
set(AER_THRUST_BACKEND $ENV{AER_THRUST_BACKEND})
endif()
if(AER_THRUST_BACKEND STREQUAL "CUDA")
include(nvcc_add_compiler_options)
set(CUDA_FOUND TRUE)
#include(FindCUDA) # for cuda_select_nvcc_arch_flags, CUDA_FOUND
include(FindCUDA/select_compute_arch)
else()
# idiosyncrasy of CMake that it still creates a reference to this
set(CMAKE_CUDA_COMPILE_WHOLE_COMPILATION "")
endif()
# Warning: Because of a bug on CMake's FindBLAS or (it's not clear who's fault is)
# libopenblas.a for Ubuntu (maybe others) we need to copy the file:
# cmake/FindBLAS.cmake.fix-static-linking, to the directory were CMake Modules are
# installed in the system, but with the name: FindBLAS.cmake
option(STATIC_LINKING "Specify if we want statically link the executable (for
redistribution mainly)" FALSE)
option(BUILD_TESTS "Specify whether we want to build tests or not" FALSE)
option(USE_BUNDLED_BLAS_WIN "Use the bundled openblas library on Windows when
not using AER_BLAS_LIB_PATH" TRUE)
# Allow disabling conan for downstream package managers. Requires all libraries to be present in path
# Default is value of environment variable if defined or ON
if(NOT DEFINED DISABLE_CONAN AND DEFINED ENV{DISABLE_CONAN})
set(DISABLE_CONAN $ENV{DISABLE_CONAN})
endif()
include(CTest)
include(compiler_utils)
include(Linter)
include(findBLASInSpecificPath)
include(dependency_utils)
# Get version information
get_version(${VERSION_NUM})
set(AER_SIMULATOR_CPP_SRC_DIR "${PROJECT_SOURCE_DIR}/src")
set(AER_SIMULATOR_CPP_EXTERNAL_LIBS
"${USER_LIB_PATH}")
set(AER_COMPILER_DEFINITIONS "")
# TODO: We may want to change the prefix path for all the environments
if(WIN32)
set(CMAKE_PREFIX_PATH "${AER_SIMULATOR_CPP_EXTERNAL_LIBS} ${CMAKE_PREFIX_PATH}")
endif()
# Adding support for CCache
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif(CCACHE_FOUND)
# Set default build type to Release with Debug Symbols
if(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build, options are: Debug Release"
FORCE)
endif(NOT CMAKE_BUILD_TYPE)
if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# In order to build for MacOSX 10.9 and above with Clang, we need to
# force using libc++ instead of the default for this target: libstdc++
# otherwise we could not use C++11/14
enable_cxx_compiler_flag_if_supported("-stdlib=libc++")
endif()
if(STATIC_LINKING)
if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(WARNING "Clang on MacOS doesn't support some -static-* flags. Switching to dyn compilation...")
unset(STATIC_LINKING)
else()
# MacOS compilers don't support -static flag either
if(NOT APPLE)
enable_cxx_compiler_flag_if_supported("-static")
endif()
# This is enough to build a semi-static executable on Mac
enable_cxx_compiler_flag_if_supported("-static-libgcc")
enable_cxx_compiler_flag_if_supported("-static-libstdc++")
endif()
endif()
if(NOT MSVC)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
# PowerPC builds are not meant to be redistributable, we build them
# in place, so we can have CPU = native.
enable_cxx_compiler_flag_if_supported("-mcpu=native")
endif()
# Warnings and Errors
enable_cxx_compiler_flag_if_supported("-pedantic")
enable_cxx_compiler_flag_if_supported("-Wall")
enable_cxx_compiler_flag_if_supported("-Wfloat-equal")
enable_cxx_compiler_flag_if_supported("-Wundef")
enable_cxx_compiler_flag_if_supported("-Wcast-align")
enable_cxx_compiler_flag_if_supported("-Wwrite-strings")
enable_cxx_compiler_flag_if_supported("-Wmissing-declarations")
enable_cxx_compiler_flag_if_supported("-Wredundant-decls")
enable_cxx_compiler_flag_if_supported("-Wshadow")
enable_cxx_compiler_flag_if_supported("-Woverloaded-virtual")
else("Windows general compiler flags")
enable_cxx_compiler_flag_if_supported("/Oi") # Enable intrinsics instead of functions (faster code)
enable_cxx_compiler_flag_if_supported("/bigobj")
endif()
if(STATIC_LINKING)
SET(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
SET(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
endif()
#
# Looking for external libraries
#
set(BACKEND_REDIST_DEPS "") # List of redistributable dependencies
setup_dependencies()
# If we do not set them with a space CMake fails afterwards if nothing is set for this vars!
set(AER_LINKER_FLAGS " ")
set(AER_COMPILER_FLAGS " ")
if(MSVC)
set(AER_COMPILER_FLAGS " /bigobj")
endif ()
if(NOT OPENMP_FOUND) # Could already be setup for macos with conan
message(STATUS "Looking for OpenMP support...")
find_package(OpenMP QUIET)
if(OPENMP_FOUND)
set(AER_COMPILER_FLAGS "${AER_COMPILER_FLAGS} ${OpenMP_CXX_FLAGS}")
set(AER_LINKER_FLAGS "${AER_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS} ${OpenMP_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
if(APPLE)
set(AER_SIMULATOR_CPP_EXTERNAL_LIBS ${AER_SIMULATOR_CPP_EXTERNAL_LIBS} ${OpenMP_CXX_INCLUDE_DIRS})
# On Apple and clang, we do need to link against the library unless we are building
# the Terra Addon, see issue: https://github.com/Qiskit/qiskit-aer/issues/1
if(NOT SKBUILD)
set(AER_LIBRARIES "${AER_LIBRARIES}" "${OpenMP_${OpenMP_CXX_LIB_NAMES}_LIBRARY}")
message(STATUS "Adding Clang: ${OpenMP_${OpenMP_CXX_LIB_NAMES}_LIBRARY}")
else()
get_filename_component(OPENMP_LIB_TO_COPY ${OpenMP_${OpenMP_CXX_LIB_NAMES}_LIBRARY} REALPATH) #Needed to follow symlinks
set(BACKEND_REDIST_DEPS ${BACKEND_REDIST_DEPS} ${OPENMP_LIB_TO_COPY})
endif()
endif()
message(STATUS "OpenMP found!")
message(STATUS "OpenMP_CXX_FLAGS = ${OpenMP_CXX_FLAGS}")
message(STATUS "OpenMP_EXE_LINKER_FLAGS = ${OpenMP_EXE_LINKER_FLAGS}")
else()
message(STATUS "WARNING: No OpenMP support found!")
endif()
endif()
if(STATIC_LINKING)
message(STATUS "Using static linking with Threads...")
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
set(THREADS_PREFER_PTHREAD_FLAG True)
endif()
find_package(Threads)
if(STATIC_LINKING)
message(STATUS "Setting BLA_STATIC")
set(BLA_STATIC TRUE)
endif()
if(AER_BLAS_LIB_PATH)
find_BLAS_in_specific_path(${AER_BLAS_LIB_PATH})
else()
if(APPLE)
message(STATUS "Looking for Apple BLAS & Lapack library...")
set(BLA_VENDOR "Apple")
else()
message(STATUS "Looking for OpenBLAS library...")
if(NOT BLA_VENDOR)
set(BLA_VENDOR "OpenBLAS")
endif()
endif()
if(WIN32 AND USE_BUNDLED_BLAS_WIN)
message(STATUS "Uncompressing OpenBLAS static library...")
set(WIN_ARCH "win64" )
if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") # Checking if win32 build
set(WIN_ARCH "win32")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} -E tar "xvfj" "${AER_SIMULATOR_CPP_SRC_DIR}/third-party/${WIN_ARCH}/lib/openblas.7z" WORKING_DIRECTORY "${AER_SIMULATOR_CPP_SRC_DIR}/third-party/${WIN_ARCH}/lib/")
set(BACKEND_REDIST_DEPS ${BACKEND_REDIST_DEPS} "${AER_SIMULATOR_CPP_SRC_DIR}/third-party/${WIN_ARCH}/lib/libopenblas.dll")
set(BLAS_LIBRARIES "${AER_SIMULATOR_CPP_SRC_DIR}/third-party/${WIN_ARCH}/lib/libopenblas.dll.a") # Seems CMake is unable to find it on its own
set(BLAS_FOUND True)
else()
find_package(BLAS QUIET)
endif()
if(NOT BLAS_FOUND)
message(STATUS "OpenBLAS not found. Looking for any other BLAS & Lapack libraries...")
unset(BLA_VENDOR)
find_package(BLAS REQUIRED)
find_package(LAPACK REQUIRED)
set(BLAS_LIBRARIES "${BLAS_LIBRARIES};${LAPACK_LIBRARIES}")
endif()
endif()
message(STATUS "BLAS library found: ${BLAS_LIBRARIES}")
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "AMD64" OR CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "amd64")
if(APPLE OR UNIX)
if (NOT CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
set(SIMD_FLAGS_LIST "-mfma;-mavx2")
enable_cxx_compiler_flag_if_supported("-mpopcnt")
endif()
elseif(MSVC)
set(SIMD_FLAGS_LIST "/arch:AVX2")
endif()
endif()
set(AER_THRUST_SUPPORTED TRUE)
if(AER_THRUST_SUPPORTED)
if(AER_THRUST_BACKEND STREQUAL "CUDA")
message(STATUS "Thrust library: Looking for CUDA backend...")
find_package(CUDA REQUIRED)
message(STATUS "Thrust library: CUDA found!")
if(NOT DEFINED AER_CUDA_ARCH)
if(DEFINED ENV{AER_CUDA_ARCH})
set(AER_CUDA_ARCH $ENV{AER_CUDA_ARCH})
else()
set(AER_CUDA_ARCH "Auto")
endif()
endif()
cuda_select_nvcc_arch_flags(AER_CUDA_ARCH_FLAGS ${AER_CUDA_ARCH})
string(REPLACE ";" " " AER_CUDA_ARCH_FLAGS_EXPAND "${AER_CUDA_ARCH_FLAGS}")
string(REGEX MATCHALL "sm_[0-9][0-9]" CUDA_SM "${AER_CUDA_ARCH_FLAGS}")
string(REPLACE "sm_" "" AER_CUDA_ARCHITECTURES "${CUDA_SM}")
set(CMAKE_CUDA_ARCHITECTURES "${AER_CUDA_ARCHITECTURES}")
message(STATUS "CMAKE_CUDA_ARCHITECTURES = ${CMAKE_CUDA_ARCHITECTURES}")
if(NOT DEFINED AER_PYTHON_CUDA_ROOT AND DEFINED ENV{AER_PYTHON_CUDA_ROOT})
set(AER_PYTHON_CUDA_ROOT $ENV{AER_PYTHON_CUDA_ROOT})
endif()
if(NOT DEFINED AER_CIBUILD AND DEFINED ENV{AER_CIBUILD})
set(AER_CIBUILD $ENV{AER_CIBUILD})
endif()
if(AER_PYTHON_CUDA_ROOT)
find_package(Python)
if(AER_CIBUILD)
set(PYTHON_SITE_PATH ${AER_PYTHON_CUDA_ROOT}/cpython-${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}.${Python_VERSION_PATCH}/lib/python${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}/site-packages)
set(STR_ORIGIN "\$$ORIGIN")
else()
set(PYTHON_SITE_PATH ${AER_PYTHON_CUDA_ROOT}/lib/python${Python_VERSION_MAJOR}.${Python_VERSION_MINOR}/site-packages)
set(STR_ORIGIN "$ORIGIN")
endif()
message(STATUS "PYTHON_SITE_PATH = ${PYTHON_SITE_PATH}")
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} THRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_CUDA)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_CUSTATEVEC AER_CUTENSORNET)
set(CUDA_USE_STATIC_CUDA_RUNTIME OFF CACHE INTERNAL "")
set(CMAKE_CUDA_RUNTIME_LIBRARY None)
set(CUDA_NVCC_FLAGS "${AER_CUDA_ARCH_FLAGS_EXPAND} -DAER_THRUST_GPU -DAER_THRUST_CUDA -I${AER_SIMULATOR_CPP_SRC_DIR} -isystem ${AER_SIMULATOR_CPP_SRC_DIR}/third-party/headers -use_fast_math --expt-extended-lambda")
set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} -I${PYTHON_SITE_PATH}/cuquantum/include")
set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} -I${PYTHON_SITE_PATH}/cutensor/include")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--disable-new-dtags")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../nvidia/cublas/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../nvidia/cusolver/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../nvidia/cusparse/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../nvidia/cuda_runtime/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../cutensor/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,-rpath,'${STR_ORIGIN}/../../cuquantum/lib'")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcusolver.so.11")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcusparse.so.${CUDA_VERSION_MAJOR}")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -L${PYTHON_SITE_PATH}/cuquantum/lib")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcustatevec.so.1")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcutensornet.so.2")
if(CUDA_VERSION_MAJOR STREQUAL "11")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcudart.so.${CUDA_VERSION_MAJOR}.0")
else()
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--no-as-needed,-l:libcudart.so.${CUDA_VERSION_MAJOR},-as-needed")
endif()
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -Wl,--as-needed")
string(STRIP ${CUDA_NVCC_FLAGS} CUDA_NVCC_FLAGS)
string(STRIP ${THRUST_DEPENDANT_LIBS} THRUST_DEPENDANT_LIBS)
else()
set(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS} ${AER_CUDA_ARCH_FLAGS_EXPAND} -DAER_THRUST_GPU -DAER_THRUST_CUDA -I${AER_SIMULATOR_CPP_SRC_DIR} -isystem ${AER_SIMULATOR_CPP_SRC_DIR}/third-party/headers -use_fast_math --expt-extended-lambda")
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} THRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_CUDA)
set(THRUST_DEPENDANT_LIBS "-L${CUDA_TOOLKIT_ROOT_DIR}/lib64")
if(NOT DEFINED CUQUANTUM_ROOT)
if(DEFINED ENV{CUQUANTUM_ROOT})
set(CUQUANTUM_ROOT $ENV{CUQUANTUM_ROOT})
endif()
endif()
if(NOT DEFINED CUTENSOR_ROOT)
if(DEFINED ENV{CUTENSOR_ROOT})
set(CUTENSOR_ROOT $ENV{CUTENSOR_ROOT})
endif()
endif()
if(NOT DEFINED AER_ENABLE_CUQUANTUM)
if(DEFINED ENV{AER_ENABLE_CUQUANTUM})
set(AER_ENABLE_CUQUANTUM $ENV{AER_ENABLE_CUQUANTUM})
endif()
endif()
if(AER_ENABLE_CUQUANTUM)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_CUSTATEVEC AER_CUTENSORNET)
if(DEFINED CUQUANTUM_ROOT)
set(AER_COMPILER_FLAGS "${AER_COMPILER_FLAGS} -I${CUQUANTUM_ROOT}/include")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -L${CUQUANTUM_ROOT}/lib/${CUDA_VERSION_MAJOR}")
endif()
if(DEFINED CUTENSOR_ROOT)
set(AER_COMPILER_FLAGS "${AER_COMPILER_FLAGS} -I${CUTENSOR_ROOT}/include")
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -L${CUTENSOR_ROOT}/lib/${CUDA_VERSION_MAJOR}")
endif()
if(CUQUANTUM_STATIC)
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -lcustatevec_static -lcutensornet_static -lcutensor_static -lmetis_static -lcusolver_static -lcusparse_static -lcusolver_lapack_static -lcublas_static -lcublasLt_static -lculibos")
else()
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -lcustatevec -lcutensornet -lcutensor")
endif()
elseif(CUSTATEVEC_ROOT)
#TODO this is remained for backward compatibility, use CUQUANTUM_ROOT instead
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_CUSTATEVEC)
set(AER_COMPILER_FLAGS "${AER_COMPILER_FLAGS} -I${CUSTATEVEC_ROOT}/include")
if(CUSTATEVEC_STATIC)
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -L${CUSTATEVEC_ROOT}/lib -L${CUSTATEVEC_ROOT}/lib/${CUDA_VERSION_MAJOR} -lcustatevec_static -lcusolver_static -lcusparse_static -lcusolver_lapack_static -lcublas_static -lcublasLt_static -lculibos")
else()
set(THRUST_DEPENDANT_LIBS "${THRUST_DEPENDANT_LIBS} -L${CUSTATEVEC_ROOT}/lib -L${CUSTATEVEC_ROOT}/lib/${CUDA_VERSION_MAJOR} -lcustatevec")
endif()
endif()
endif()
elseif(AER_THRUST_BACKEND STREQUAL "TBB")
message(STATUS "TBB Support found!")
set(THRUST_DEPENDENT_LIBS AER_DEPENDENCY_PKG::tbb)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_THRUST_CPU=TRUE)
elseif(AER_THRUST_BACKEND STREQUAL "OMP")
message(STATUS "Thrust library: Setting OMP backend")
if(NOT OPENMP_FOUND)
message(FATAL_ERROR "There's no OMP support. We cannot set Thrust backend to OMP!!")
endif()
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_THRUST_CPU=TRUE)
# We don't need to add OMP because it's already an AER dependency
set(THRUST_DEPENDENT_LIBS "")
elseif(AER_THRUST_BACKEND STREQUAL "ROCM")
#
# Build with GPU support with ROCm
#
# Assert that the C++ and compilers are Clang to enable ROCm builds.
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(FATAL_ERROR
"The compiler for ROCm builds must be Clang. Set CMAKE_CXX_COMPILER to <ROCm path>/llvm/bin/clang++")
endif()
# GDB debug information is what is needed for runs enabled with ROCm.
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -ggdb")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -ggdb")
# Leverage AER_ROCM_ARCH to specify the relevant targets and send the ROCm default ones to
# the background by marking them as advanced. We need to set the architectures in advance
# of attemting to find HIP to leverage the package machinery.
string(REPLACE " " ";" AER_ROCM_ARCH_LIST ${AER_ROCM_ARCH})
set(GPU_TARGETS ${AER_ROCM_ARCH_LIST} CACHE INTERNAL "GPU targets to compile for")
set(AMDGPU_TARGETS ${AER_ROCM_ARCH_LIST} CACHE INTERNAL "AMD GPU targets to compile for")
set(CMAKE_HIP_ARCHITECTURES ${AER_ROCM_ARCH_LIST})
mark_as_advanced(GPU_TARGETS)
mark_as_advanced(AMDGPU_TARGETS)
mark_as_advanced(CMAKE_HIP_ARCHITECTURES)
message(STATUS "ROCm build targeting GPU Architectures: ${GPU_TARGETS}")
message(STATUS "ROCm assumed path: ${ROCM_PATH}")
list(APPEND CMAKE_PREFIX_PATH ${ROCM_PATH}/hip ${ROCM_PATH})
list(APPEND CMAKE_MODULE_PATH ${ROCM_PATH}/hip/cmake ${ROCM_PATH})
include(CheckLanguage)
check_language(HIP)
# Find HIP in config mode as the module mode may not provide the hip:: targets. We can use module mode
# if we had hip libraries as they invoke the config package.
find_package(HIP CONFIG)
if(HIP_FOUND)
message(STATUS "Found HIP: " ${HIP_VERSION})
else()
message(FATAL_ERROR "Could not find HIP.")
endif()
list(APPEND AER_LIBRARIES hip::device)
# Add definitions so that dependencies are properly determined.
# TODO: investigate the need for THRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_CUDA
list(APPEND ROCM_EXTRA_DEFS AER_THRUST_GPU AER_THRUST_ROCM THRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_HIP)
# Add -D prefix to all defs as that is what ROCM_EXTRA_* expect to be set to.
list(TRANSFORM ROCM_EXTRA_DEFS PREPEND -D)
add_definitions(${ROCM_EXTRA_DEFS})
list(APPEND ROCM_EXTRA_FLAGS ${ROCM_EXTRA_DEFS})
list(APPEND ROCM_EXTRA_FLAGS -isystem${ROCM_PATH}/include; -I${AER_SIMULATOR_CPP_SRC_DIR} ; -isystem${AER_SIMULATOR_CPP_SRC_DIR}/third-party/headers; -ffast-math; -fPIC)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND ROCM_EXTRA_FLAGS -O0)
else()
list(APPEND ROCM_EXTRA_FLAGS -O3)
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
list(APPEND ROCM_EXTRA_FLAGS -g; -ggdb)
endif()
# Add some warning flags to allow existing code to go through with clang.
list(APPEND ROCM_EXTRA_FLAGS -ferror-limit=3
-Wno-unused-lambda-capture
-Wno-bitwise-instead-of-logical
-Wno-inconsistent-missing-override
-Wno-cast-align
-Wno-float-equal
-Wno-unused-variable
-Wno-unused-but-set-variable
-Wno-switch
-Wno-writable-strings
-Wno-shadow
-Wno-delete-non-abstract-non-virtual-dtor
-Wno-pessimizing-move
-Wno-return-type-c-linkage
-Wno-overloaded-virtual
-Wno-braced-scalar-init)
if(AER_ENABLE_CUQUANTUM)
message(WARNING "Implementation of cuQuantum is not available for ROCm builds.")
endif()
else()
message(STATUS "No Thrust supported backend")
set(AER_THRUST_SUPPORTED FALSE)
endif()
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
endif()
endif()
if(AER_THRUST_SUPPORTED)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_THRUST_SUPPORTED=TRUE)
else()
message(STATUS "No Thrust support enabled")
endif()
if(AER_DEBUG)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_DEBUG)
set(AER_COMPILER_FLAGS "${AER_COMPILER_FLAGS} -g")
endif()
if(TEST_JSON)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} TEST_JSON)
endif()
if(AER_MPI)
find_package(MPI REQUIRED)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_MPI)
set(AER_SIMULATOR_CPP_EXTERNAL_LIBS ${AER_SIMULATOR_CPP_EXTERNAL_LIBS} ${MPI_CXX_INCLUDE_PATH})
set(MPI_DEPENDANT_LIBS ${MPI_CXX_LIBRARIES})
if(AER_DISABLE_GDR)
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} AER_DISABLE_GDR)
endif()
else()
set(MPI_DEPENDANT_LIBS "")
endif()
# Set dependent libraries
set(AER_LIBRARIES
${AER_LIBRARIES}
${BLAS_LIBRARIES}
AER_DEPENDENCY_PKG::nlohmann_json
AER_DEPENDENCY_PKG::spdlog
Threads::Threads
${CMAKE_DL_LIBS})
set(AER_COMPILER_DEFINITIONS ${AER_COMPILER_DEFINITIONS} ${CONAN_DEFINES})
add_subdirectory(qiskit_aer/backends/wrappers)
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