[new release] dune (1.1.0)

[rgrinberg]

CHANGES:

• Fix lookup of command line specified files when --root is given. Previously,
  passing in --root in conjunction with --workspace or --config would not
  work correctly (Fix workspace lookup in conjunction with --root dune#997, @rgrinberg)

• Add support for customizing env nodes in workspace files. The env stanza is
  now allowed in toplevel position in the workspace file, or for individual
  contexts. This feature requires (dune lang 1.1) (Env stanza in workspace files part #2 dune#1038, @rgrinberg)

• Add enabled_if field for aliases and tests. This field controls whether the
  test will be ran using a boolean expression language. (enabled_if dune#819, @rgrinberg)

• Make name, names fields optional when a public_name, public_names
  field is provided. (Make name and names fields optional when public_name or public_names are present dune#1041, fix Make name optional when public_name is specified dune#1000, @rgrinberg)

• Interpret X in --libdir X as relative to PREFIX when X is relative
  (Fix #1070 dune#1072, fix dune install --libdir doesn't handle relative directory correctly dune#1070, @diml)

• Add support for multi directory libraries by writing
  (include_subdirs unqualified) (Multi directory libraries and executables dune#1034, @diml)

• Add (staged_pps ...) to support staged ppx rewriters such as ones
  using the OCaml typer like ppx_import (Support ppx using the typer such as ppx_import dune#1080, fix CMI and PPX generation ordering dune#193, @diml)

• Use -opaque in the dev profile. This option trades off binary quality for
  compilation speed when compiling .cmx files. (Opaque Mode dune#1079, fix [PROPOSAL] Support -opaque mode for faster compilation dune#1058, @rgrinberg)

• Fix placeholders in dune subst documentation (Fix placeholders in dune subst documentation dune#1090, @emillon, thanks
  @trefis for the bug report)

• Add locations to errors when a missing binary in PATH comes from a dune file
  (Missing loc dune#1096, fixes Location when program not found isn't printed dune#1095, @rgrinberg)

[camelus]

✅ All lint checks passed edbfe34

• These packages passed lint tests: dune.1.1.0

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✅ Installability check (9189 → 9190)

• new installable packages (1): dune.1.1.0