PackageTests/NewBuild/T3827 fails on MacOS on GHC 8.10.7

[robx]

Affected:

• macOS with GHC >= 8.10.7
• Linux with GHC = 9.0.1, 9.2.1

PackageTests/NewBuild/T3827 fails in CI on MacOS on GHC 8.10.7:

[1 of 1] Compiling P                ( P.hs, /Users/runner/work/cabal/cabal/cabal-testsuite/PackageTests/NewBuild/T3827/cabal.dist/work/dist/build/x86_64-osx/ghc-8.10.7/p-1.0/build/P.p_o )

P.hs:1:8: error:
Error:     Could not find module �Prelude�
    Perhaps you haven't installed the profiling libraries for package �base-4.14.3.0�?
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
  |
1 | module P where
  |        ^
CallStack (from HasCallStack):
  withMetadata, called at src/Distribution/Simple/Utils.hs:374:14 in Cabal-3.7.0.0-inplace:Distribution.Simple.Utils
-----BEGIN CABAL OUTPUT-----
Error: cabal: Failed to build p-1.0-inplace.
Failed to build q-1.0 because it depends on q-1.0 which itself failed to build.
-----END CABAL OUTPUT-----

*** unexpected failure for PackageTests/NewBuild/T3827/cabal.test.hs

https://github.com/haskell/cabal/runs/5412517972?check_suite_focus=true

It looks like a profiling build of base isn't available, might be a CI environment issue?

[robx]

The test seems to pass for older GHC versions, while for newer those particular tests aren't run in CI.

[Mikolaj]

I can't find the ticket now, but I think indeed some newer GHCs in ghcup don't have profiling libs bundled. Tough luck.

[robx]

Hmm, there's this: https://gitlab.haskell.org/ghc/ghc/-/issues/20707 but it seems to be a new 9.2 issue (as opposed to 9.0 even)

[Mikolaj]

Yes, I think in a cabal ticket somebody said that also happened for some other GHCs. I might have misremembered though.

[jneira]

After enabling the cli-suite in ci for ghc-9.0.2 i've observed this test also fails for linux and ghc-9.0.2 installed with ghcup (but no for ghc-9.0.1 and ghc-9.2.1): https://github.com/jneira/cabal/runs/5445996258?check_suite_focus=true#step:15:289

P.hs:1:8: error:
Error:     Could not find module `Prelude'
    Perhaps you haven't installed the profiling libraries for package `base-4.15.1.0'?
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
  |
1 | module P where
  |        ^
CallStack (from HasCallStack):
  withMetadata, called at src/Distribution/Simple/Utils.hs:374:14 in Cabal-3.7.0.0-inplace:Distribution.Simple.Utils

It seems that ghc version has no profiled boot libraries

[robx]

Thanks, I've updated the ticket to try to cover the affected versions.

[jneira]

sorry the affected version is 9.0.2, I ve corrected the comment about