dependencies.cmake

# On different platforms the CMakeDeps generator in conan seems to install eigen
# as either "eigen" or "Eigen3", so we need to work around this for now.
find_package(eigen NAMES Eigen3)
if(eigen_FOUND OR Eigen3_FOUND)
  if(eigen_INCLUDE_DIR)
    set(EIGEN3_INCLUDE_DIR ${eigen_INCLUDE_DIR} CACHE INTERNAL "")
  elseif(Eigen3_INCLUDE_DIR)
    set(EIGEN3_INCLUDE_DIR ${Eigen3_INCLUDE_DIR} CACHE INTERNAL "")
  endif()
else()
  message(FATAL_ERROR "Eigen is required")
endif()

find_package(TIFF)
if(NOT TIFF_FOUND)
  message(FATAL_ERROR "TIFF is required")
endif()

if(docs)
  find_package(Doxygen REQUIRED dot)
  if(NOT Doxygen_FOUND)
    message(FATAL_ERROR "Could not find Doxygen or dot")
  endif()
endif()

if(openmp)
  find_package(OpenMP)
  if(OPENMP_FOUND)
    set(SOPT_DEFAULT_OPENMP_THREADS 2 CACHE STRING "Number of threads used in testing")
    set(SOPT_OPENMP TRUE)
  else()
    message(FATAL_ERROR "OpenMP was requested but could not be found")
  endif()
endif()

set(SOPT_MPI FALSE)
if(dompi)
  find_package(MPI)
  if(NOT MPI_FOUND)
    message(FATAL_ERROR "MPI was requested but could not be found")
  endif()
  set(SOPT_MPI ${MPI_FOUND})
endif()

set(SOPT_ORT FALSE)
if(onnxrt)
  include(LookUpONNXRT)
  set(SOPT_ORT ${onnxruntime_FOUND})
endif()