6 inherit (pkgs.stdenv.hostPlatform) isDarwin;
11 llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
13 # Disable GHC 9.2.x core libraries.
41 template-haskell = null;
42 # GHC only builds terminfo if it is a native compiler
43 terminfo = if pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform then null else self.terminfo_0_4_1_6;
48 # GHC only bundles the xhtml library if haddock is enabled, check if this is
49 # still the case when updating: https://gitlab.haskell.org/ghc/ghc/-/blob/0198841877f6f04269d6050892b98b5c3807ce4c/ghc.mk#L463
50 xhtml = if self.ghc.hasHaddock or true then null else self.xhtml_3000_3_0_0;
52 # Need the Cabal-syntax-3.6.0.0 fake package for Cabal < 3.8 to allow callPackage and the constraint solver to work
53 Cabal-syntax = self.Cabal-syntax_3_6_0_0;
54 # These core package only exist for GHC >= 9.4. The best we can do is feign
55 # their existence to callPackages, but their is no shim for lower GHC versions.
56 system-cxx-std-lib = null;
58 # weeder >= 2.5 requires GHC 9.4
59 weeder = doDistribute self.weeder_2_4_1;
60 weeder_2_4_1 = super.weeder_2_4_1.override {
61 # weeder < 2.6 only supports algebraic-graphs < 0.7
62 # We no longer have matching test deps for algebraic-graphs 0.6.1 in the set
63 algebraic-graphs = dontCheck self.algebraic-graphs_0_6_1;
66 hls-cabal-plugin = super.hls-cabal-plugin.override {
67 Cabal-syntax = self.Cabal-syntax_3_8_1_0;
70 ormolu = self.ormolu_0_5_2_0.override {
71 Cabal-syntax = self.Cabal-syntax_3_8_1_0;
74 stylish-haskell = doJailbreak super.stylish-haskell_0_14_4_0;
76 haskell-language-server = disableCabalFlag "fourmolu" (super.haskell-language-server.override { hls-fourmolu-plugin = null; });
77 # For GHC < 9.4, some packages need data-array-byte as an extra dependency
78 hashable = addBuildDepends [ self.data-array-byte ] super.hashable;
79 primitive = addBuildDepends [ self.data-array-byte ] super.primitive;
81 # Jailbreaks & Version Updates
82 hashable-time = doJailbreak super.hashable-time;
84 # Depends on utf8-light which isn't maintained / doesn't support base >= 4.16
85 # https://github.com/haskell-infra/hackage-trustees/issues/347
86 # https://mail.haskell.org/pipermail/haskell-cafe/2022-October/135613.html
87 language-javascript_0_7_0_0 = dontCheck super.language-javascript_0_7_0_0;
89 # Apply patches from head.hackage.
90 language-haskell-extract = appendPatch (pkgs.fetchpatch {
91 url = "https://gitlab.haskell.org/ghc/head.hackage/-/raw/dfd024c9a336c752288ec35879017a43bd7e85a0/patches/language-haskell-extract-0.2.4.patch";
92 sha256 = "0w4y3v69nd3yafpml4gr23l94bdhbmx8xky48a59lckmz5x9fgxv";
93 }) (doJailbreak super.language-haskell-extract);
95 # Tests depend on `parseTime` which is no longer available
96 hourglass = dontCheck super.hourglass;
98 # Needs to match ghc version
99 ghc-tags = doDistribute self.ghc-tags_1_5;
101 # For "ghc-lib" flag see https://github.com/haskell/haskell-language-server/issues/3185#issuecomment-1250264515
102 hlint = enableCabalFlag "ghc-lib" super.hlint;
104 # 0.2.2.3 requires Cabal >= 3.8
105 shake-cabal = doDistribute self.shake-cabal_0_2_2_2;
107 # https://github.com/sjakobi/bsb-http-chunked/issues/38
108 bsb-http-chunked = dontCheck super.bsb-http-chunked;
110 # https://github.com/NixOS/cabal2nix/issues/554
111 # https://github.com/clash-lang/clash-compiler/blob/f0f6275e19b8c672f042026c478484c5fd45191d/README.md#ghc-compatibility
112 clash-prelude = dontDistribute (markBroken super.clash-prelude);
114 # 2022-08-01: Tests are broken on ghc 9.2.4: https://github.com/wz1000/HieDb/issues/46
115 hiedb = dontCheck super.hiedb;
117 # Too strict upper bound on bytestring, relevant for GHC 9.2.6 specifically
118 # https://github.com/protolude/protolude/issues/127#issuecomment-1428807874
119 protolude = doJailbreak super.protolude;
121 # https://github.com/fpco/inline-c/pull/131
123 (if isDarwin then appendConfigureFlags ["--ghc-option=-fcompact-unwind"] else x: x)
126 # A given major version of ghc-exactprint only supports one version of GHC.
127 ghc-exactprint = super.ghc-exactprint_1_5_0;
130 ghc-source-gen = doDistribute (unmarkBroken super.ghc-source-gen);