Fix slowness in cmake

  set( CMAKE_CXX_COMPILER_LAUNCHER ccache )

endif()

find_program(CONAN_FOUND conan)

if(CONAN_FOUND)

  message(STATUS "Using conan found at: ${CONAN_FOUND}")

  include(conan.cmake)

  conan_cmake_run(CONANFILE conanfile.py

    BASIC_SETUP CMAKE_TARGETS)

else()

  message(WARNING "Did not find conan in PATH. Will try download it with PMM <https://github.com/vector-of-bool/pmm>")

  message(WARNING "Recommend installing Conan with 'pip install conan' <https://conan.io/downloads.html> for faster builds")

  include(pmm.cmake)

  pmm(CONAN)

  conan_basic_setup()

  include(${CMAKE_CURRENT_BINARY_DIR}/conanbuildinfo.cmake)

endif()

include(CTest)

include(Catch)