cmake/Languages.cmake

   1 set(CMAKE_EXPORT_COMPILE_COMMANDS 1 CACHE BOOL "Enable/Disable output of compile commands during generation.")
   2 mark_as_advanced(CMAKE_EXPORT_COMPILE_COMMANDS)
   3 if(NOT DEFINED CACHE{LIBA_CXX})
   4   option(LIBA_CXX "Enable/Disable C++" 1)
   5 endif()
   6 list(FIND LANGUAGES CXX index)
   7 if(${index} EQUAL -1 AND LIBA_CXX)
   8   list(INSERT LANGUAGES 0 CXX)
   9 endif()
  10 list(FIND LANGUAGES C index)
  11 if(${index} EQUAL -1)
  12   list(INSERT LANGUAGES 0 C)
  13 endif()
  14 # default C standard
  15 if(NOT CMAKE_C_STANDARD)
  16   set(CMAKE_C_STANDARD 11)
  17 endif()
  18 if(NOT CMAKE_C_EXTENSIONS)
  19   set(CMAKE_C_EXTENSIONS 0)
  20 endif()
  21 if(NOT CMAKE_C_STANDARD_REQUIRED)
  22   set(CMAKE_C_STANDARD_REQUIRED 0)
  23 endif()
  24 # default C++ standard
  25 if(NOT CMAKE_CXX_STANDARD)
  26   set(CMAKE_CXX_STANDARD 11)
  27 endif()
  28 if(NOT CMAKE_CXX_EXTENSIONS)
  29   set(CMAKE_CXX_EXTENSIONS 0)
  30 endif()
  31 if(NOT CMAKE_CXX_STANDARD_REQUIRED)
  32   set(CMAKE_CXX_STANDARD_REQUIRED 0)
  33 endif()
  34 if(CMAKE_C_COMPILER_ID MATCHES "TinyCC")
  35   string(FIND CMAKE_C_FLAGS "-std=c${CMAKE_C_STANDARD}" index)
  36   if(${index} EQUAL -1)
  37     string(STRIP "${CMAKE_C_FLAGS} -std=c${CMAKE_C_STANDARD}" CMAKE_C_FLAGS)
  38   endif()
  39 endif()
  40 set(index)