openssl fails to build on OpenBSD

[xtqqczze]

  Configuring OpenSSL version 3.6.3 for target BSD-x86_64
  Using os-specific seed configuration
  cargo:warning=configuring OpenSSL build: 'perl' reported failure with exit status: 2
  cargo:warning=openssl-src: failed to build OpenSSL from source

  --- stderr

  Failure!  Makefile wasn't produced.
  Please read INSTALL.md and associated NOTES-* files.  You may also have to
  look over your available compiler tool chain or change your configuration.

  mkdir /home/runner/work/coreutils/coreutils/target/debug/build/openssl-sys-29af09a1c1d49af3/out/openssl-build/build/src/doc/man3: No such file or directory at ./Configure line 2015.



  Error configuring OpenSSL build:
      'perl' reported failure with exit status: 2
      Command failed: cd "/home/runner/work/coreutils/coreutils/target/debug/build/openssl-sys-29af09a1c1d49af3/out/openssl-build/build/src" && env -u CROSS_COMPILE AR="ar" CC="cc" RANLIB="ranlib" "perl" "./Configure" "--prefix=/home/runner/work/coreutils/coreutils/target/debug/build/openssl-sys-29af09a1c1d49af3/out/openssl-build/install" "--openssldir=/usr/local/ssl" "no-shared" "no-module" "no-tests" "no-comp" "no-zlib" "no-zlib-dynamic" "--libdir=lib" "no-ssl3" "no-md2" "no-rc5" "no-weak-ssl-ciphers" "no-camellia" "no-idea" "no-seed" "BSD-x86_64" "-O2" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-gdwarf-2" "-fno-omit-frame-pointer" "-mno-omit-leaf-frame-pointer" "-m64" "--target=x86_64-unknown-openbsd" "-w"

https://github.com/uutils/coreutils/actions/runs/35179961194/job/105086106884?pr=14635

cc: @oech3

[oech3]

We should switch to system openssl(libressl) to avoid perl dep at build time on the CI.

[xtqqczze]

The latest vmactions/openbsd-vm release was v1.4.7 (three weeks ago), so it’s unlikely to be the cause. That said, we could consider pinning the version instead of using v1.

[oech3]

Even it is action itself's issue, using system libressl is better to save build time. ~However, there is no widely-used uutils-coreutils package for OpenBSD.~

[xtqqczze]

  ---- test_cp::test_cp_attributes_only_fifo_keeps_type_and_returns stdout ----
  bin: "/home/runner/work/coreutils/coreutils/target/debug/coreutils"
  mkfifo: /tmp/.tmppgGgzv/fifo
  run: /home/runner/work/coreutils/coreutils/target/debug/coreutils cp -a --attributes-only fifo copy
  
  thread 'test_cp::test_cp_attributes_only_fifo_keeps_type_and_returns' (289757) panicked at tests/by-util/test_cp.rs:3884:14:
  Expected stderr to be empty, but it's:
  cp: setting attributes for 'copy': unsupported platform, please file a bug at `https://github.com/Stebalien/xattr'

https://github.com/uutils/coreutils/actions/runs/35179961194/job/105086106884?pr=14635#step:4:6657

Tracked by #14642.

[oech3]

This is intermittent issue because #14647 is green. So vendored by default makes a sense.

[xtqqczze]

Closing as invalid, the root cause was #14642.