# Copyright Advanced Micro Devices, Inc.
# SPDX-License-Identifier: MIT

# Tensile just uses the system path to find most of its tools and it does this
# in the build phase. Rather than tunneling everything through manually, we
# just explicitly set up the path to include our toolchain ROCM and LLVM
# tools. This kind of reacharound is not great but the project is old, so
# c'est la vie.

block(SCOPE_FOR VARIABLES)
  if(NOT THEROCK_TOOLCHAIN_ROOT)
    message(FATAL_ERROR "As a sub-project, THEROCK_TOOLCHAIN_ROOT should have been defined and was not")
  endif()
  if(WIN32)
    set(PS ";")
  else()
    set(PS ":")
  endif()
  set(CURRENT_PATH "$ENV{PATH}")
  set(ENV{PATH} "${THEROCK_TOOLCHAIN_ROOT}/bin${PS}${THEROCK_TOOLCHAIN_ROOT}/lib/llvm/bin${PS}${CURRENT_PATH}")
  message(STATUS "Augmented toolchain PATH=$ENV{PATH}")
endblock()

# Tensile is using msgpack and will pull in Boost otherwise.
add_compile_definitions(MSGPACK_NO_BOOST)

if(NOT WIN32)
  # Configure roctracer if on a supported operating system (Linux).
  # rocBLAS has deprecated dependencies on roctracer. We apply a patch to redirect
  # naked linking against `-lroctx64` to an explicitly found version of the library.
  # See: https://github.com/ROCm/TheRock/issues/364
  list(APPEND CMAKE_MODULE_PATH "${THEROCK_SOURCE_DIR}/cmake")
  include(therock_subproject_utils)
  find_library(_therock_legacy_roctx64 roctx64 REQUIRED)
  cmake_language(DEFER CALL therock_patch_linked_lib OLD_LIBRARY "roctx64" NEW_TARGET "${_therock_legacy_roctx64}")
endif()