[Bug 2152495] Re: "install -D" race condition

[Daniel Tang]

```console
$ install -D dir
install: missing destination file operand after 'dir'
Try 'install --help' for more information.
```

Your command is incomplete. Please minimize the Makefile into a Bash
script so that other people can test this.

** Changed in: coreutils-from (Ubuntu)
       Status: New => Incomplete

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Title:
  "install -D" race condition

Status in coreutils-from package in Ubuntu:
  Incomplete

Bug description:
  When "install -D dir" is invoked from a parallel make session, there
  is a race condition where one thread successfully creates "dir"; when
  the remaining threads get mkdir("dir")=EEXIST, the command exits with
  an error, aborting the parallel make job.

  This race does not exist in GNU coreutils, where EEXIST does not
  trigger an error.

  One example where this is a problem is during kernel builds:

  $ make -j12 bindeb-pkg
  ...
  install: cannot create directory 'debian/linux-image-7.1.0-rc3+/usr/lib/linux-image-7.1.0-rc3+/qcom'
  make[6]: *** [scripts/Makefile.dtbinst:23: debian/linux-image-7.1.0-rc3+/usr/lib/linux-image-7.1.0-rc3+/qcom/sar2130p-qar2130p.dtb] Error 1
  make[6]: *** Waiting for unfinished jobs....
  make[5]: *** [Makefile:1617: dtbs_install] Error 2
  make[4]: *** [Makefile:2272: run-command] Error 2
  make[3]: *** [debian/rules:67: binary-image] Error 2

  ProblemType: Bug
  DistroRelease: Ubuntu 26.04
  Package: coreutils-from-uutils 0.0.0~ubuntu25
  Uname: Linux 7.1.0-rc3+ aarch64
  ApportVersion: 2.34.0-0ubuntu2
  Architecture: arm64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed May 13 18:15:07 2026
  InstallationDate: Installed on 2026-04-24 (19 days ago)
  InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release arm64 (20260423.1)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/usr/bin/fish
   TERM=xterm-ghostty
   XDG_RUNTIME_DIR=<set>
  SourcePackage: coreutils-from
  UpgradeStatus: No upgrade log present (probably fresh install)

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