{ "defaults":
  { "type": ["CC", "defaults"]
  , "arguments_config": ["OS", "ARCH", "TOOLCHAIN_CONFIG"]
  , "base":
    { "type": "let*"
    , "bindings":
      [ [ "COMPILER_FAMILY"
        , { "type": "if"
          , "cond":
            { "type": "and"
            , "$1":
              [{"type": "var", "name": "OS"}, {"type": "var", "name": "ARCH"}]
            }
          , "then":
            { "type": "lookup"
            , "map":
              { "type": "var"
              , "name": "TOOLCHAIN_CONFIG"
              , "default": {"type": "empty_map"}
              }
            , "key": "FAMILY"
            }
          , "else": "unknown"
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr":
        {"type": "var", "name": "COMPILER_FAMILY", "default": "unknown"}
      , "case": {"gnu": ["gcc"], "clang": ["clang"], "unknown": ["unknown"]}
      , "default":
        { "type": "fail"
        , "msg":
          [ "Unsupported TOOLCHAIN_CONFIG[FAMILY]"
          , {"type": "var", "name": "COMPILER_FAMILY"}
          ]
        }
      }
    }
  , "ADD_LDFLAGS":
    { "type": "lookup"
    , "key": "ADD_LDFLAGS"
    , "default": []
    , "map":
      { "type": "var"
      , "name": "TOOLCHAIN_CONFIG"
      , "default": {"type": "empty_map"}
      }
    }
  }
, "unknown":
  { "type": ["CC", "defaults"]
  , "CC": ["cc"]
  , "CXX": ["c++"]
  , "AR": ["ar"]
  , "DWP": ["dwp"]
  , "PATH": ["/bin", "/sbin", "/usr/bin", "/usr/sbin"]
  }
, "gcc":
  { "type": ["CC", "defaults"]
  , "arguments_config": ["OS", "ARCH", "HOST_ARCH", "TARGET_ARCH"]
  , "CC":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["i686-linux-gnu-gcc"]
        , "linux_x86_64": ["x86_64-linux-gnu-gcc"]
        , "linux_arm": ["arm-linux-gnueabi-gcc"]
        , "linux_arm64": ["aarch64-linux-gnu-gcc"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          ["Unsupported PLATFORM for gcc", {"type": "var", "name": "PLATFORM"}]
        }
      }
    }
  , "CXX":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["i686-linux-gnu-g++"]
        , "linux_x86_64": ["x86_64-linux-gnu-g++"]
        , "linux_arm": ["arm-linux-gnueabi-g++"]
        , "linux_arm64": ["aarch64-linux-gnu-g++"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          ["Unsupported PLATFORM for g++", {"type": "var", "name": "PLATFORM"}]
        }
      }
    }
  , "CXXFLAGS":
    { "type": "case"
    , "expr":
      { "type": "var"
      , "name": "TARGET_ARCH"
      , "default": {"type": "var", "name": "ARCH"}
      }
    , "case": {"arm": ["-Wno-psabi"]}
    }
  , "AR":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["i686-linux-gnu-ar"]
        , "linux_x86_64": ["x86_64-linux-gnu-ar"]
        , "linux_arm": ["arm-linux-gnueabi-ar"]
        , "linux_arm64": ["aarch64-linux-gnu-ar"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          ["Unsupported PLATFORM for ar", {"type": "var", "name": "PLATFORM"}]
        }
      }
    }
  , "PATH": ["/bin", "/sbin", "/usr/bin", "/usr/sbin"]
  }
, "clang":
  { "type": ["CC", "defaults"]
  , "arguments_config": ["OS", "ARCH", "TARGET_ARCH", "DEBUG"]
  , "CC": ["clang"]
  , "CXX": ["clang++"]
  , "AR":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["i686-linux-gnu-ar"]
        , "linux_x86_64": ["x86_64-linux-gnu-ar"]
        , "linux_arm": ["arm-linux-gnueabi-ar"]
        , "linux_arm64": ["aarch64-linux-gnu-ar"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          ["Unsupported PLATFORM for ar", {"type": "var", "name": "PLATFORM"}]
        }
      }
    }
  , "CFLAGS":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["-target", "i686-linux-gnu"]
        , "linux_x86_64": ["-target", "x86_64-linux-gnu"]
        , "linux_arm": ["-target", "arm-linux-gnueabi"]
        , "linux_arm64": ["-target", "aarch64-linux-gnu"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          [ "Unsupported PLATFORM for clang"
          , {"type": "var", "name": "PLATFORM"}
          ]
        }
      }
    }
  , "CXXFLAGS":
    { "type": "let*"
    , "bindings":
      [ [ "PLATFORM"
        , { "type": "join"
          , "separator": "_"
          , "$1":
            [ {"type": "var", "name": "OS"}
            , { "type": "var"
              , "name": "TARGET_ARCH"
              , "default": {"type": "var", "name": "ARCH"}
              }
            ]
          }
        ]
      ]
    , "body":
      { "type": "case"
      , "expr": {"type": "var", "name": "PLATFORM"}
      , "case":
        { "linux_x86": ["-target", "i686-linux-gnu"]
        , "linux_x86_64": ["-target", "x86_64-linux-gnu"]
        , "linux_arm": ["-target", "arm-linux-gnueabi"]
        , "linux_arm64": ["-target", "aarch64-linux-gnu"]
        }
      , "default":
        { "type": "fail"
        , "msg":
          [ "Unsupported PLATFORM for clang++"
          , {"type": "var", "name": "PLATFORM"}
          ]
        }
      }
    }
  , "ADD_COMPILE_FLAGS":
    { "type": "if"
    , "cond": {"type": "var", "name": "DEBUG"}
    , "then": ["-fdebug-compilation-dir=."]
    }
  , "PATH": ["/bin", "/sbin", "/usr/bin", "/usr/sbin"]
  }
}