{ "data":
  { "doc":
    [ "Data produced by generic shell commands with toolchain support."
    , ""
    , "All variables accessible to commands and options are: \"TMPDIR\","
    , "\"LOCALBASE\", \"WORKDIR\", \"DESTDIR\", \"CC\", \"CXX\", \"CFLAGS\","
    , "\"CXXFLAGS\", \"LDFLAGS\", and \"AR\". \"LOCALBASE\" contains the path"
    , "to the staged artifacts from \"localbase\" and the installed artifacts"
    , "from \"deps\". Furthermore, the variable \"ACTION_DIR\" points to the"
    , "current action directory, if needed for achieving reproducibility."
    ]
  , "target_fields": ["project", "localbase", "deps"]
  , "string_fields": ["cmds", "outs", "out_dirs"]
  , "config_vars":
    [ "CC"
    , "CXX"
    , "CFLAGS"
    , "CXXFLAGS"
    , "LDFLAGS"
    , "ADD_CFLAGS"
    , "ADD_CXXFLAGS"
    , "ADD_LDFLAGS"
    , "ENV"
    , "AR"
    , "PREFIX"
    , "BUILD_POSITION_INDEPENDENT"
    , "TIMEOUT_SCALE"
    ]
  , "implicit":
    { "defaults": [["CC", "defaults"]]
    , "foreign-defaults": [["CC/foreign", "defaults"]]
    }
  , "field_doc":
    { "project":
      [ "The project directory. It should contain a single tree artifact."
      , "It's path can be accessed via the \"WORKDIR\" variable."
      ]
    , "localbase": ["Artifacts to stage to \"LOCALBASE\"."]
    , "deps": ["CC targets to install to \"LOCALBASE\"."]
    , "cmds":
      [ "List of commands to execute by \"sh\". Multiple commands will be"
      , "joined with the newline character."
      ]
    , "outs": ["Paths to the produced output files in \"DESTDIR\"."]
    , "out_dirs": ["Paths to the produced output directories in \"DESTDIR\"."]
    }
  , "config_doc":
    { "CC":
      [ "The name of the C compiler to be used."
      , "If null, the respective value from [\"CC\", \"defaults\"] will be taken."
      ]
    , "CXX":
      [ "The name of the C++ compiler to be used."
      , "If null, the respective value from [\"CC\", \"defaults\"] will be taken."
      ]
    , "CFLAGS":
      [ "The flags for CC to be used instead of the default ones."
      , "For libraries that should be built in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice"
      ]
    , "CXXFLAGS":
      [ "The flags for CXX to be used instead of the default ones."
      , "For libraries that should be built in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice."
      ]
    , "LDFLAGS":
      [ "The linker flags to be used instead of the default ones."
      , "For libraries that should be linked in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice"
      ]
    , "ADD_CFLAGS":
      [ "The flags to add to the default ones for CC."
      , "For libraries that should be built in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice."
      ]
    , "ADD_CXXFLAGS":
      [ "The flags to add to the default ones for CXX."
      , "For libraries that should be built in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice."
      ]
    , "ADD_LDFLAGS":
      [ "The linker flags to add to the default ones."
      , "For libraries that should be linked in a non-standard way; usually"
      , "adapting the default target [\"CC\", \"defaults\"] is the better"
      , "choice."
      ]
    , "ENV":
      [ "The environment for any action generated."
      , "If null, the respective value from [\"CC\", \"defaults\"] will be taken."
      ]
    , "AR":
      [ "The archive tool to used for creating the library."
      , "If null, the respective value from [\"CC\", \"defaults\"] will be taken."
      ]
    , "PREFIX":
      [ "The absolute path that is used as prefix inside generated pkg-config"
      , "files. The default value for this variable is \"/\". This variable"
      , "is ignored if the field \"prefix\" is set."
      ]
    , "BUILD_POSITION_INDEPENDENT": ["Build position independent code."]
    , "TIMEOUT_SCALE":
      [ "The scaling of the timeout for the invocation of the foreign build."
      , "Defaults to 10."
      ]
    }
  , "imports":
    { "artifacts": ["", "field_artifacts"]
    , "shell-build": "shell-build"
    , "install-deps": ["CC", "install-with-deps stage"]
    }
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["cmds", {"type": "FIELD", "name": "cmds"}]
      , [ "sources"
        , { "type": "let*"
          , "bindings": [["fieldname", "project"]]
          , "body": {"type": "CALL_EXPRESSION", "name": "artifacts"}
          }
        ]
      , [ "localbase"
        , { "type": "disjoint_map_union"
          , "msg": "localbase and installed dependency files may not overlap"
          , "$1":
            [ { "type": "let*"
              , "bindings":
                [ ["pc-install-dir", "lib/pkgconfig"]
                , ["targets", {"type": "FIELD", "name": "deps"}]
                ]
              , "body": {"type": "CALL_EXPRESSION", "name": "install-deps"}
              }
            , { "type": "let*"
              , "bindings": [["fieldname", "localbase"]]
              , "body": {"type": "CALL_EXPRESSION", "name": "artifacts"}
              }
            ]
          }
        ]
      , ["outs", {"type": "FIELD", "name": "outs"}]
      , ["out_dirs", {"type": "FIELD", "name": "out_dirs"}]
      ]
    , "body":
      { "type": "RESULT"
      , "artifacts": {"type": "CALL_EXPRESSION", "name": "shell-build"}
      }
    }
  }
}