[all-commits] [llvm/llvm-project] 4e22a6: [llvm-rc] Add /showIncludes dependency reporting (...

[Oren Azad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4e22a6ef80ac0ac234acca473706cc5cce17d6c4
      https://github.com/llvm/llvm-project/commit/4e22a6ef80ac0ac234acca473706cc5cce17d6c4
  Author: Oren Azad <orenazad at berkeley.edu>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M llvm/docs/ReleaseNotes.md
    M llvm/test/tools/llvm-rc/helpmsg.test
    A llvm/test/tools/llvm-rc/show-includes.test
    M llvm/tools/llvm-rc/Opts.td
    M llvm/tools/llvm-rc/ResourceFileWriter.cpp
    M llvm/tools/llvm-rc/ResourceFileWriter.h
    M llvm/tools/llvm-rc/llvm-rc.cpp

  Log Message:
  -----------
  [llvm-rc] Add /showIncludes dependency reporting (#217102)

Add `/showIncludes` support to `llvm-rc` so build systems can discover
the files a resource compile depends on. This enables Ninja and other
build systems to track and correctly recompile the `.rc` file when
inputs change.

Two kinds of dependencies are reported:

- Preprocessor header dependencies, by forwarding `--show-includes` to
the clang preprocessor.
- Resource files, (bitmaps, icons, manifests, etc) that are used in the
resource file.

The output format matches the `/showIncludes` format that cl.exe and
clang-cl.exe use, and that Ninja can consume natively via `deps=msvc`.

Assisted-by: Anthropic Claude Code (Opus 4.8)
Assisted-by: OpenAI Codex (GPT 5.6 Sol)



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