libvorbis: did not include cmake package configuration

Nixpkgs version

• Unstable (26.11)

Describe the bug

Expected to find

VorbisConfig.cmake
VorbisConfigVersion.cmake
VorbisTargets-release.cmake
VorbisTargets.cmake

to use by the cmake find_package command

Steps to reproduce

1. Install libvorbis
2. Use find_package(Vorbis) in a project
3. run cmake

Expected behaviour

cmake should be creamy

Screenshots

No response

Relevant log output

CMake Error at extern/CMakeLists.txt:87 (find_package):
  By not providing "FindVorbis.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "Vorbis", but
  CMake did not find one.

  Could not find a package configuration file provided by "Vorbis" with any
  of the following names:

    Vorbis.cps
    vorbis.cps
    VorbisConfig.cmake
    vorbis-config.cmake

  Add the installation prefix of "Vorbis" to CMAKE_PREFIX_PATH or set
  "Vorbis_DIR" to a directory containing one of the above files.  If "Vorbis"
  provides a separate development package or SDK, be sure it has been
  installed.

Additional context

It appears that just adding cmake to nativeBuildInputs by overriding seems so solve the issue but may cause additional issue like the doc output may be gone?

System metadata

• system: "x86_64-linux"
• host os: Linux 7.1.2, NixOS, 26.11 (Zokor), 26.11.20260701.9e92285
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.34.7
• channels(root): ""
• nixpkgs: /nix/store/7gyywr0gaaqz927fcva9mw4ldxv8lzbr-nixpkgs/nixpkgs

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Start with the reproducer at extern/CMakeLists.txt:87 and inspect how the libvorbis package is built and installed. Run the find_package(Vorbis) example against the package, then verify that the expected VorbisConfig.cmake, version, and targets files are available and the CMake configure step succeeds.