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https://github.com/simplex-chat/haskell.nix.git
synced 2026-06-03 09:17:32 +00:00
Hamish Mackenzie
6c7f9d0042
A bug was fixed in cabal 3.8 (https://github.com/haskell/cabal/issues/6771) that haskell.nix relied on for `pkg-config` in support. To work around this we added a dummy `pkg-config` that `cabal configure` now uses when haskell.nix runs it `cabal configure` internally. That returns version information for all the `pkg-config` packages in `lib/pkgconfig-nixpkgs-map.nix`. This mapping has also been expanded based on the results of searching nixpkgs for `*.pc` files. This update also includes workarounds for: https://github.com/haskell/cabal/issues/8352 https://github.com/haskell/cabal/issues/8370 https://github.com/haskell/cabal/issues/8455
48 lines
2.0 KiB
Nix
48 lines
2.0 KiB
Nix
# Script used to help make the lists of pkc-config packages in lib/pkgconf-nipkgs-map.nix.
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# It searches for .pc files in every package it can find.
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#
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# This really is not a great way to do this and if we have to run it again
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# it might be worht making some improvements or finding something else to do it.
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#
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# I had hoped the `-j0` would stop it from building anything (but it does not) and
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# setting `--builders ""` did not seem to help either. Instead I ran multiple copies
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# in multiple terminals like this:
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#
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# $(nix-build scripts/find-pkg-config-all.nix --argstr startAt "v") > v.txt
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#
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# Hitting ctrl+c if one of them started building anything massive (causes
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# nix-build to fail and the script moves on to the next one).
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#
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# I monitored the progress with:
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# tail -f v.txt
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# (in even more teminals)
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#
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# If one of them caught up to the next one I killed it.
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#
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{ startAt ? "" }:
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let
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pkgs = import <nixpkgs> { config = { allowUnfree = true; allowAliases = false; }; };
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in
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pkgs.writeScript "find-pkg-config-all" ''
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${ pkgs.lib.concatStrings (map (name: pkgs.lib.optionalString (name >= startAt && name != "AAAAAASomeThingsFailToEvaluate" && null == builtins.match ".*[^0-9A-Za-z_-].*" name) ''
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OUT_DIR=$(mktemp -d)
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if nix-build -E 'let pkgs = import <nixpkgs> {}; in pkgs.lib.getDev pkgs."${name}"' -j0 --out-link $OUT_DIR/result >&2; then
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find $OUT_DIR/*/ -name '*.pc' | sed 's|^.*/\([^/]*\)\.pc| "\1" = [ "${name}" ];|' | sort -u
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rm $OUT_DIR/result*
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fi
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''
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) (__attrNames pkgs))
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}
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echo '# pkgs.xorg'
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${ pkgs.lib.concatStrings (map (name: pkgs.lib.optionalString (null == builtins.match ".*[^0-9A-Za-z_-].*" name) ''
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OUT_DIR=$(mktemp -d)
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if nix-build -E 'let pkgs = import <nixpkgs> {}; in pkgs.lib.getDev pkgs.xorg."${name}"' -j0 --out-link $OUT_DIR/result >&2; then
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find $OUT_DIR/*/ -name '*.pc' | sed 's|^.*/\([^/]*\)\.pc| "\1" = [ "${name}" ];|' | sort -u
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rm $OUT_DIR/result*
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fi
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''
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) (__attrNames pkgs.xorg))
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}
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''
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