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GH-49789: [C++] Use CMAKE_INSTALL_DOCDIR instead of static share/doc/${PROJECT_NAME}#49790

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kou merged 1 commit intoapache:mainfrom
kou:cpp-arrow-doc-dir
Apr 20, 2026
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GH-49789: [C++] Use CMAKE_INSTALL_DOCDIR instead of static share/doc/${PROJECT_NAME}#49790
kou merged 1 commit intoapache:mainfrom
kou:cpp-arrow-doc-dir

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@kou kou commented Apr 18, 2026

Rationale for this change

CMAKE_INSTALL_DOCDIR is the standard variable for install document directory. Packages use this variable to change install document directory.

What changes are included in this PR?

Use CMAKE_INSTALL_DOCDIR instead of static share/doc/${PROJECT_NAME}

Are these changes tested?

Yes.

Are there any user-facing changes?

Yes.

Copilot AI review requested due to automatic review settings April 18, 2026 12:44
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⚠️ GitHub issue #49789 has been automatically assigned in GitHub to PR creator.

@kou kou added CI: Extra: Package: Linux Run extra Linux Packages CI and removed Component: C++ labels Apr 18, 2026
@github-actions github-actions Bot added the awaiting committer review Awaiting committer review label Apr 18, 2026
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Pull request overview

This PR updates Arrow C++’s install configuration to use CMake’s standard documentation install directory variable (CMAKE_INSTALL_DOCDIR) instead of a hard-coded share/doc/${PROJECT_NAME}, improving compatibility with downstream packagers and custom install layouts.

Changes:

  • Switch ARROW_DOC_DIR from a static path to ${CMAKE_INSTALL_DOCDIR}.
  • Keep existing documentation-related install rules (LICENSE/NOTICE/README) but route them through the standardized docdir variable.

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kou commented Apr 20, 2026

+1

@kou kou merged commit 09cc2cf into apache:main Apr 20, 2026
94 of 96 checks passed
@kou kou removed the awaiting committer review Awaiting committer review label Apr 20, 2026
@kou kou deleted the cpp-arrow-doc-dir branch April 20, 2026 11:17
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After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit 09cc2cf.

There were no benchmark performance regressions. 🎉

The full Conbench report has more details. It also includes information about 1 possible false positive for unstable benchmarks that are known to sometimes produce them.

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