hipBLAS.cmake

# Copyright (c) 2023 - 2025 Hygon Information Technology Co., Ltd. All rights reserved.
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message(STATUS "Configuring hipblas ...")

if((DEFINED HYTLASS_ENABLE_HIPBLAS AND NOT HYTLASS_ENABLE_HIPBLAS) OR
   (DEFINED HIPBLAS_ENABLED AND NOT HIPBLAS_ENABLED))
  
  # Don't add hipBLAS if it's defined and false, assume it's not found.

  set(HIPBLAS_FOUND OFF)
  message(STATUS "hipBLAS Disabled.")

elseif(NOT TARGET hipblas)
 
  find_path(
    _HIPBLAS_INCLUDE_DIR
    NAMES hipblas.h
    HINTS
      ${DCU_TOOLKIT_ROOT_DIR}/hipblas
    PATH_SUFFIXES
      include
    )

  find_library(
    _HIPBLAS_LIBRARY
    NAMES hipblas
    HINTS
      ${DCU_TOOLKIT_ROOT_DIR}/hipblas
    PATH_SUFFIXES
      lib64
      lib/x64
      lib
    )

  if(_HIPBLAS_INCLUDE_DIR AND _HIPBLAS_LIBRARY)

    message(STATUS "hipBLAS: ${_HIPBLAS_LIBRARY}")
    message(STATUS "hipBLAS: ${_HIPBLAS_INCLUDE_DIR}")
    
    set(HIPBLAS_FOUND ON CACHE INTERNAL "hipblas Library Found")
    set(HIPBLAS_LIBRARY ${_HIPBLAS_LIBRARY})
    set(HIPBLAS_INCLUDE_DIR ${_HIPBLAS_INCLUDE_DIR})

  else()

    message(STATUS "hipblas not found.")
    set(HIPBLAS_FOUND OFF CACHE INTERNAL "hipblas Library Found")

  endif()

endif()

set(HYTLASS_ENABLE_HIPBLAS ${HIPBLAS_FOUND} CACHE BOOL "Enable HYTLASS to build with hipBLAS library.")

if(HYTLASS_ENABLE_HIPBLAS AND NOT HIPBLAS_FOUND)
  message(FATAL_ERROR "HYTLASS_ENABLE_HIPBLAS enabled but hipBLAS library could not be found.")
endif()

if(HYTLASS_ENABLE_HIPBLAS AND NOT TARGET hipblas)

  if(WIN32)
    add_library(hipblas STATIC IMPORTED GLOBAL)
  else()
    add_library(hipblas SHARED IMPORTED GLOBAL)
  endif()

  add_library(hip::hipblas ALIAS hipblas)

  set_property(
    TARGET hipblas
    PROPERTY IMPORTED_LOCATION
    ${HIPBLAS_LIBRARY})
    
  target_include_directories(
    hipblas
    INTERFACE
    $<INSTALL_INTERFACE:include>
    $<BUILD_INTERFACE:${HIPBLAS_INCLUDE_DIR}>)

  find_library(
    _HIPBLASLT_LIBRARY
    NAMES hipblasLt
    HINTS
      ${DCU_TOOLKIT_ROOT_DIR}/hipblaslt
    PATH_SUFFIXES
      lib64
      lib/x64
      lib
    )

  if(_HIPBLASLT_LIBRARY AND NOT TARGET hipblasLt)

    add_library(hipblasLt SHARED IMPORTED GLOBAL)

    set_property(
      TARGET hipblasLt
      PROPERTY IMPORTED_LOCATION
      ${_HIPBLASLT_LIBRARY})
  
    add_library(hip::hipblasLt ALIAS hipblasLt)

    target_link_libraries(hipblas INTERFACE hipblasLt)

  endif()

endif()

message(STATUS "Configuring hipBLAS ... done.")