I would recommend —allow-newer rather than rebuilding with 9.4. In retrospect, 9.4 implies base == 4.17, but nofib seems to only allow < 4.17, which would leave 9.4 out. Rodrigo

On 12 Jul 2023, at 12:48, Simon Peyton Jones wrote:

Thanks. That is very unfortunate: ./configure does not issue any complaint.

I upgraded from 9.2 because GHC won't compile with 9.2 any more. But now you are saying that nofib won't build with 9.6? So that leaves 9.4 only.

Well I can install 9.4 and rebuild everything. But really, it would be good if configure complained if you are using a boot compiler that won't work. That's what configure is for!

Simon

On Wed, 12 Jul 2023 at 12:41, Rodrigo Mesquita mailto:rodrigo.m.mesquita@gmail.com> wrote:

...

From the error message it looks like you’re using ghc-9.6(and base 4.18) while nofib requires base < 4.17. I’d say as a temporary workaround you can likely run your invocation additionally with —allow-newer, and hope that doesn’t break. Otherwise you could downgrade to 9.4 or bump the version manually in the cabal file of nofib?

Rodrigo

...

On 12 Jul 2023, at 12:38, Simon Peyton Jones mailto:simon.peytonjones@gmail.com> wrote:

Friends

With a clean HEAD I can't build nofib. See below. What should I do?

Thanks

Simon

(cd nofib; cabal v2-run -- nofib-run --compiler=`pwd`/../_build/stage1/bin/ghc --output=`date -I`) Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: nofib-0.1.0.0 (user goal) [__1] next goal: base (dependency of nofib) [__1] rejecting: base-4.18.0.0/installed-4.18.0.0 (conflict: nofib => base>=4.5 && <4.17) [__1] skipping: base-4.18.0.0, base-4.17.1.0, base-4.17.0.0 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=4.5 && <4.17' from 'nofib') [__1] rejecting: base-4.16.4.0, base-4.16.3.0, base-4.16.2.0, base-4.16.1.0, base-4.16.0.0, base-4.15.1.0, base-4.15.0.0, base-4.14.3.0, base-4.14.2.0, base-4.14.1.0, base-4.14.0.0, base-4.13.0.0, base-4.12.0.0, base-4.11.1.0, base-4.11.0.0, base-4.10.1.0, base-4.10.0.0, base-4.9.1.0, base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable package requires installed instance) [__1] fail (backjumping, conflict set: base, nofib) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: base, nofib

make: *** [/home/simonpj/code/Makefile-spj:39: nofib] Error 1

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I would recommend —allow-newer rather than rebuilding with 9.4. In retrospect, 9.4 implies base == 4.17, but nofib seems to only allow < 4.17, which would leave 9.4 out.

Oh wow -- so there is *no* version of GHC that works as a bootstrap GHC. That seems bad. Very bad. I see a patch from Andreas -- maybe that fixes it? Meanwhile, --allow-newer I guess. Simon On Wed, 12 Jul 2023 at 12:50, Rodrigo Mesquita wrote:

I would recommend —allow-newer rather than rebuilding with 9.4. In retrospect, 9.4 implies base == 4.17, but nofib seems to only allow < 4.17, which would leave 9.4 out.

Rodrigo

On 12 Jul 2023, at 12:48, Simon Peyton Jones wrote:

Thanks. That is very unfortunate: ./configure does not issue any complaint.

I upgraded from 9.2 because GHC won't compile with 9.2 any more. But now you are saying that nofib won't build with 9.6? So that leaves 9.4 only.

Well I can install 9.4 and rebuild everything. But really, it would be good if configure complained if you are using a boot compiler that won't work. That's what configure is for!

Simon

On Wed, 12 Jul 2023 at 12:41, Rodrigo Mesquita < rodrigo.m.mesquita@gmail.com> wrote:

...

From the error message it looks like you’re using ghc-9.6(and base 4.18) while nofib requires base < 4.17. I’d say as a temporary workaround you can likely run your invocation additionally with —allow-newer, and hope that doesn’t break. Otherwise you could downgrade to 9.4 or bump the version manually in the cabal file of nofib?

Rodrigo

On 12 Jul 2023, at 12:38, Simon Peyton Jones wrote:

Friends

With a clean HEAD I can't build nofib. See below. What should I do?

Thanks

Simon

(cd nofib; cabal v2-run -- nofib-run --compiler=`pwd`/../_build/stage1/bin/ghc --output=`date -I`) Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: nofib-0.1.0.0 (user goal) [__1] next goal: base (dependency of nofib) [__1] rejecting: base-4.18.0.0/installed-4.18.0.0 (conflict: nofib => base>=4.5 && <4.17) [__1] skipping: base-4.18.0.0, base-4.17.1.0, base-4.17.0.0 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=4.5 && <4.17' from 'nofib') [__1] rejecting: base-4.16.4.0, base-4.16.3.0, base-4.16.2.0, base-4.16.1.0, base-4.16.0.0, base-4.15.1.0, base-4.15.0.0, base-4.14.3.0, base-4.14.2.0, base-4.14.1.0, base-4.14.0.0, base-4.13.0.0, base-4.12.0.0, base-4.11.1.0, base-4.11.0.0, base-4.10.1.0, base-4.10.0.0, base-4.9.1.0, base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable package requires installed instance) [__1] fail (backjumping, conflict set: base, nofib) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: base, nofib

make: *** [/home/simonpj/code/Makefile-spj:39: nofib] Error 1

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