include_guard(GLOBAL)

if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# cmake-format: off
  if((MYX_CMAKE_LSB_DISTRIBUTOR_ID  STREQUAL "AstraLinuxSE") AND
     (MYX_CMAKE_LSB_CODENAME        STREQUAL "smolensk") AND
     (MYX_CMAKE_LSB_RELEASE_VERSION STREQUAL "1.5"))
# cmake-format: on
    set(CMAKE_CXX_STANDARD 11)
    set(CMAKE_CXX_EXTENSIONS ON)
  elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "e2k")
    set(CMAKE_CXX_STANDARD 14)
    set(CMAKE_CXX_EXTENSIONS ON)
    add_compile_options(-Wno-invalid-offsetof)
    list(APPEND CMAKE_LIBRARY_PATH "/usr/lib/e2k-linux-gnu")
  endif()
  if(CMAKE_COLOR_MAKEFILE)
    check_enable_cxx_compiler_flag(-fdiagnostics-color=auto)
  endif()
endif()

if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
  if(CMAKE_COLOR_MAKEFILE)
    check_enable_cxx_compiler_flag(-fcolor-diagnostics)
  endif()
endif()

option(MYX_CMAKE_WARNINGS_NORMAL "Normal level" ON)
cmake_dependent_option(MYX_CMAKE_WARNINGS_VERBOSE "Verbose level" OFF "MYX_CMAKE_WARNINGS_NORMAL" OFF)

if(MYX_CMAKE_WARNINGS_NORMAL)
  if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR
     (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
    check_enable_cxx_compiler_flag(-Wall)
    check_enable_cxx_compiler_flag(-Wextra)
  endif()
endif()

if(MYX_CMAKE_WARNINGS_VERBOSE)
  if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR
     (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"))
    check_enable_cxx_compiler_flag(-Wpedantic)
    check_enable_cxx_compiler_flag(-Wnoexcept)
  endif()
endif()