{ "make-build":
  { "vars":
    [ "source_dir"
    , "subdir"
    , "localbase_dir"
    , "configure"
    , "configure_options"
    , "make_targets"
    , "make_prefix"
    , "make_options"
    , "make_jobs"
    , "pre_cmds"
    , "post_cmds"
    , "CC"
    , "CXX"
    , "CFLAGS"
    , "CXXFLAGS"
    , "LDFLAGS"
    , "ADD_CFLAGS"
    , "ADD_CXXFLAGS"
    , "ADD_LDFLAGS"
    , "ENV"
    , "AR"
    , "PREFIX"
    , "BUILD_POSITION_INDEPENDENT"
    , "TIMEOUT_SCALE"
    , "defaults-transition"
    , "expand_exec"
    , "resolve_symlinks"
    ]
  , "imports":
    { "artifacts": ["", "field_artifacts"]
    , "flags-cc": ["CC", "flags-cc"]
    , "flags-cxx": ["CC", "flags-cxx"]
    , "compiler-cc": ["CC", "compiler-cc"]
    , "compiler-cxx": ["CC", "compiler-cxx"]
    , "default-LDFLAGS": ["CC", "default-LDFLAGS"]
    , "default-AR": ["CC", "default-AR"]
    , "default-ENV": ["CC", "default-ENV"]
    , "default-PATH": ["CC", "default-PATH"]
    , "default-TOOLCHAIN": ["CC", "default-TOOLCHAIN"]
    , "default-NON_SYSTEM_TOOLS": ["CC", "default-NON_SYSTEM_TOOLS"]
    , "foreign-MAKE": ["CC/foreign", "default-MAKE"]
    , "foreign-ENV": ["CC/foreign", "default-ENV"]
    , "foreign-PATH": ["CC/foreign", "default-PATH"]
    , "foreign-TOOLCHAIN": ["CC/foreign", "default-TOOLCHAIN"]
    , "foreign-NON_SYSTEM_TOOLS": ["CC/foreign", "default-NON_SYSTEM_TOOLS"]
    , "map_provider": ["", "field_map_provider"]
    , "sh": ["shell", "sh"]
    , "sh-PATH": ["shell", "PATH"]
    }
  , "expression":
    { "type": "let*"
    , "bindings":
      [ ["TOOLCHAIN_DIR", "toolchain"]
      , [ "shell TOOLCHAIN"
        , { "type": "let*"
          , "bindings":
            [ ["fieldname", "shell defaults"]
            , ["provider", "TOOLCHAIN"]
            , ["default", {"type": "empty_map"}]
            ]
          , "body": {"type": "CALL_EXPRESSION", "name": "map_provider"}
          }
        ]
      , [ "sh"
        , { "type": "let*"
          , "bindings": [["fieldname", "shell defaults"]]
          , "body": {"type": "CALL_EXPRESSION", "name": "sh"}
          }
        ]
      , [ "TOOLCHAIN"
        , { "type": "disjoint_map_union"
          , "msg": "Toolchain trees may not overlap"
          , "$1":
            [ {"type": "CALL_EXPRESSION", "name": "foreign-TOOLCHAIN"}
            , {"type": "CALL_EXPRESSION", "name": "default-TOOLCHAIN"}
            , {"type": "var", "name": "shell TOOLCHAIN"}
            ]
          }
        ]
      , [ "TOOLCHAIN"
        , { "type": "to_subdir"
          , "subdir": {"type": "var", "name": "TOOLCHAIN_DIR"}
          , "$1": {"type": "var", "name": "TOOLCHAIN"}
          }
        ]
      , [ "NON_SYSTEM_TOOLS"
        , { "type": "map_union"
          , "$1":
            [ {"type": "CALL_EXPRESSION", "name": "foreign-NON_SYSTEM_TOOLS"}
            , {"type": "CALL_EXPRESSION", "name": "default-NON_SYSTEM_TOOLS"}
            ]
          }
        ]
      , [ "MAKE"
        , { "type": "join"
          , "$1":
            { "type": "++"
            , "$1":
              [ { "type": "if"
                , "cond":
                  { "type": "lookup"
                  , "key": "MAKE"
                  , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                  }
                , "then": ["./", {"type": "var", "name": "TOOLCHAIN_DIR"}, "/"]
                }
              , {"type": "CALL_EXPRESSION", "name": "foreign-MAKE"}
              ]
            }
          }
        ]
      , ["CC", {"type": "CALL_EXPRESSION", "name": "compiler-cc"}]
      , ["CXX", {"type": "CALL_EXPRESSION", "name": "compiler-cxx"}]
      , [ "CFLAGS"
        , { "type": "join"
          , "separator": " "
          , "$1": {"type": "CALL_EXPRESSION", "name": "flags-cc"}
          }
        ]
      , [ "CXXFLAGS"
        , { "type": "join"
          , "separator": " "
          , "$1": {"type": "CALL_EXPRESSION", "name": "flags-cxx"}
          }
        ]
      , [ "LDFLAGS"
        , { "type": "join"
          , "separator": " "
          , "$1":
            { "type": "++"
            , "$1":
              [ ["-Wl,-rpath,$ORIGIN", "-Wl,-rpath,$ORIGIN/../lib"]
              , { "type": "var"
                , "name": "LDFLAGS"
                , "default":
                  {"type": "CALL_EXPRESSION", "name": "default-LDFLAGS"}
                }
              , {"type": "var", "name": "ldflags", "default": []}
              ]
            }
          }
        ]
      , [ "AR"
        , { "type": "var"
          , "name": "AR"
          , "default":
            { "type": "join"
            , "$1":
              { "type": "++"
              , "$1":
                [ { "type": "if"
                  , "cond":
                    { "type": "lookup"
                    , "key": "AR"
                    , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                    }
                  , "then":
                    ["./", {"type": "var", "name": "TOOLCHAIN_DIR"}, "/"]
                  }
                , {"type": "CALL_EXPRESSION", "name": "default-AR"}
                ]
              }
            }
          }
        ]
      , [ "PREFIX"
        , { "type": "if"
          , "cond": {"type": "var", "name": "make_prefix"}
          , "then":
            { "type": "join"
            , "separator": "/"
            , "$1":
              { "type": "++"
              , "$1": [[""], {"type": "var", "name": "make_prefix"}]
              }
            }
          , "else": {"type": "var", "name": "PREFIX", "default": "/"}
          }
        ]
      , [ "sh-PATH"
        , { "type": "join"
          , "separator": ":"
          , "$1":
            { "type": "let*"
            , "bindings": [["fieldname", "shell defaults"]]
            , "body": {"type": "CALL_EXPRESSION", "name": "sh-PATH"}
            }
          }
        ]
      , [ "sh-ENV"
        , { "type": "if"
          , "cond": {"type": "var", "name": "sh-PATH"}
          , "then":
            { "type": "singleton_map"
            , "key": "PATH"
            , "value": {"type": "var", "name": "sh-PATH"}
            }
          , "else": {"type": "empty_map"}
          }
        ]
      , [ "PATH"
        , { "type": "join"
          , "separator": ":"
          , "$1":
            { "type": "nub_left"
            , "$1":
              { "type": "++"
              , "$1":
                [ {"type": "CALL_EXPRESSION", "name": "foreign-PATH"}
                , {"type": "CALL_EXPRESSION", "name": "default-PATH"}
                ]
              }
            }
          }
        ]
      , [ "ENV"
        , { "type": "map_union"
          , "$1":
            [ { "type": "env"
              , "vars":
                [ "CC"
                , "CXX"
                , "CFLAGS"
                , "CXXFLAGS"
                , "LDFLAGS"
                , "AR"
                , "MAKE"
                , "PREFIX"
                ]
              }
            , {"type": "var", "name": "sh-ENV"}
            , {"type": "CALL_EXPRESSION", "name": "default-ENV"}
            , {"type": "CALL_EXPRESSION", "name": "foreign-ENV"}
            , {"type": "var", "name": "ENV", "default": {"type": "empty_map"}}
            ]
          }
        ]
      , [ "SUBDIR"
        , { "type": "join"
          , "separator": "/"
          , "$1": {"type": "var", "name": "subdir", "default": []}
          }
        ]
      , [ "configure_args"
        , { "type": "if"
          , "cond": {"type": "var", "name": "configure"}
          , "then":
            { "type": "++"
            , "$1":
              [ {"type": "var", "name": "configure_options", "default": []}
              , [ { "type": "join"
                  , "$1": ["--prefix=", {"type": "var", "name": "PREFIX"}]
                  }
                ]
              ]
            }
          }
        ]
      , [ "make_targets"
        , { "type": "if"
          , "cond": {"type": "var", "name": "make_targets"}
          , "then": {"type": "var", "name": "make_targets"}
          , "else": ["install"]
          }
        ]
      , [ "script"
        , { "type": "singleton_map"
          , "key": "run_make.sh"
          , "value":
            { "type": "BLOB"
            , "data":
              { "type": "join"
              , "separator": "\n"
              , "$1":
                { "type": "++"
                , "$1":
                  [ [ "set -eu"
                    , "mkdir -p scratch install"
                    , "readonly ROOT=\"$(pwd)\""
                    , "export TMPDIR=\"$(pwd)/scratch\""
                    , "export DESTDIR=\"$(pwd)/install\""
                    , "export TOOLCHAIN=\"$(pwd)/toolchain\""
                    , "export LOCALBASE=\"$(pwd)/localbase\""
                    , { "type": "if"
                      , "cond":
                        { "type": "lookup"
                        , "key": "CC"
                        , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                        }
                      , "then": "export CC=$(pwd)/${CC}"
                      , "else": ""
                      }
                    , { "type": "if"
                      , "cond":
                        { "type": "lookup"
                        , "key": "CXX"
                        , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                        }
                      , "then": "export CXX=$(pwd)/${CXX}"
                      , "else": ""
                      }
                    , { "type": "if"
                      , "cond":
                        { "type": "lookup"
                        , "key": "AR"
                        , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                        }
                      , "then": "export AR=$(pwd)/${AR}"
                      , "else": ""
                      }
                    , { "type": "if"
                      , "cond":
                        { "type": "lookup"
                        , "key": "MAKE"
                        , "map": {"type": "var", "name": "NON_SYSTEM_TOOLS"}
                        }
                      , "then": "export MAKE=$(pwd)/${MAKE}"
                      , "else": ""
                      }
                    , { "type": "join"
                      , "$1":
                        [ "export PATH="
                        , { "type": "join_cmd"
                          , "$1": [{"type": "var", "name": "PATH"}]
                          }
                        , "${PATH:+:}\"${PATH}\""
                        ]
                      }
                    ]
                  , { "type": "if"
                    , "cond": {"type": "var", "name": "pre_cmds"}
                    , "then":
                      { "type": "++"
                      , "$1":
                        [ ["(", "set --", "cd ./source"]
                        , {"type": "var", "name": "pre_cmds"}
                        , [")"]
                        ]
                      }
                    }
                  , ["readonly SUBDIR=\"$1\"", "shift"]
                  , { "type": "if"
                    , "cond": {"type": "var", "name": "configure_args"}
                    , "then":
                      [ "( cd \"source/${SUBDIR}\""
                      , { "type": "join"
                        , "$1":
                          [ "${ROOT}/expand_exec TMPDIR DESTDIR LOCALBASE CC CXX CFLAGS CXXFLAGS LDFLAGS AR PREFIX -- ./configure "
                          , { "type": "join_cmd"
                            , "$1": {"type": "var", "name": "configure_args"}
                            }
                          , " >\"${ROOT}/configure.log\" 2>&1 || (cat \"${ROOT}/configure.log\" && exit 1)"
                          ]
                        }
                      , ")"
                      ]
                    }
                  , { "type": "foreach"
                    , "range": {"type": "var", "name": "make_targets"}
                    , "var": "target"
                    , "body":
                      { "type": "join"
                      , "separator": " "
                      , "$1":
                        [ "${ROOT}/expand_exec TMPDIR DESTDIR LOCALBASE CC CXX CFLAGS CXXFLAGS LDFLAGS AR PREFIX"
                        , "--"
                        , "${MAKE} -C \"source/${SUBDIR}\" DESTDIR=${DESTDIR} \"$@\""
                        , { "type": "join_cmd"
                          , "$1": [{"type": "var", "name": "target"}]
                          }
                        , ">>build.log 2>&1 || (cat build.log && exit 1)"
                        ]
                      }
                    }
                  , { "type": "if"
                    , "cond": {"type": "var", "name": "resolve_symlinks"}
                    , "then":
                      [ "mv install install_with_symlinks"
                      , "cp -rL install_with_symlinks install >copy.log 2>&1 || (echo 'ERROR: symlink resolve failed with:' && cat copy.log && exit 1)"
                      ]
                    }
                  , { "type": "if"
                    , "cond": {"type": "var", "name": "post_cmds"}
                    , "then":
                      { "type": "++"
                      , "$1":
                        [ ["(", "set --", "cd ./install"]
                        , {"type": "var", "name": "post_cmds"}
                        , [")"]
                        ]
                      }
                    }
                  ]
                }
              }
            }
          }
        ]
      ]
    , "body":
      { "type": "ACTION"
      , "inputs":
        { "type": "map_union"
        , "$1":
          [ {"type": "var", "name": "TOOLCHAIN"}
          , {"type": "var", "name": "source_dir"}
          , {"type": "var", "name": "expand_exec"}
          , { "type": "var"
            , "name": "localbase_dir"
            , "default": {"type": "empty_map"}
            }
          , {"type": "var", "name": "script"}
          ]
        }
      , "cmd":
        { "type": "++"
        , "$1":
          [ [{"type": "var", "name": "sh"}, "run_make.sh"]
          , [{"type": "var", "name": "SUBDIR"}]
          , {"type": "var", "name": "make_options"}
          , { "type": "if"
            , "cond": {"type": "var", "name": "make_jobs"}
            , "then":
              [ { "type": "join"
                , "$1":
                  { "type": "++"
                  , "$1": [["-j"], {"type": "var", "name": "make_jobs"}]
                  }
                }
              ]
            }
          ]
        }
      , "out_dirs": ["install"]
      , "env": {"type": "var", "name": "ENV"}
      , "timeout scaling":
        {"type": "var", "name": "TIMEOUT_SCALE", "default": 10.0}
      , "execution properties":
        {"type": "var", "name": "FOREIGN_EXECUTION_PROPERTIES"}
      }
    }
  }
}