GauXC/cmake/gauxc-gau2grid.cmake at fa96f3ef2033f95ffce79a9b56b5beedf2579cb4 · wavefunction91/GauXC · GitHub

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if( GAUXC_ENABLE_GAU2GRID )
  if( NOT TARGET gau2grid::gg )

    # First try to find the package if target doesn't exist
    find_package( gau2grid CONFIG QUIET )

    if( NOT gau2grid_FOUND )

      message( STATUS "Could not find Gau2grid... Building" )

      if( GAUXC_FORCE_EXTERNAL_GAU2GRID )

        include( gauxc-dep-versions )

        message( STATUS "GAU2GRID REPO = ${GAUXC_GAU2GRID_REPOSITORY}" )
        message( STATUS "GAU2GRID REV  = ${GAUXC_GAU2GRID_REVISION}"   )

        FetchContent_Declare(
          gau2grid
          GIT_REPOSITORY ${GAUXC_GAU2GRID_REPOSITORY}
          GIT_TAG        ${GAUXC_GAU2GRID_REVISION}
        )

        set( MAX_AM 6 CACHE STRING "" )
        set( DISABLE_PRAGMA ON CACHE BOOL "" )
        FetchContent_MakeAvailable( gau2grid )

        if( NOT TARGET gau2grid::gg )
          message( STATUS "Something Went Horribly Wrong With Gau2Grid discovery!" )
        endif()

        set( GAUXC_HAS_EXT_GG TRUE CACHE BOOL "GauXC is using an external Gau2Grid dependency" FORCE )
      else()

        message( STATUS "Building Pregenerated Gau2grid" )
        add_subdirectory( ${PROJECT_SOURCE_DIR}/external/gau2grid ${PROJECT_BINARY_DIR}/external/gau2grid )

      endif()

    else()
      set( GAUXC_HAS_EXT_GG TRUE CACHE BOOL "GauXC is using an external Gau2Grid dependency" FORCE )
    endif() # If not discoverable
  endif() # If target not present

  set(GAUXC_HAS_GAU2GRID TRUE CACHE BOOL "GauXC has Gau2Grid and will build bindings" FORCE)
endif() # If enabled