buildNimPackage: load lockfiles and overrides

This commit is contained in:
Emery Hemingway 2023-10-30 22:17:59 +00:00
parent 39d4eace91
commit 35f108c7d7
10 changed files with 361 additions and 111 deletions

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@ -1,74 +1,38 @@
# Nim {#nim} # Nim {#nim}
## Overview {#nim-overview} The Nim compiler and a builder function is available.
Nim programs are built using `buildNimPackage` and a lockfile containing Nim dependencies.
The Nim compiler, a builder function, and some packaged libraries are available
in Nixpkgs. Until now each compiler release has been effectively backwards
compatible so only the latest version is available.
## Nim program packages in Nixpkgs {#nim-program-packages-in-nixpkgs}
Nim programs can be built using `nimPackages.buildNimPackage`. In the
case of packages not containing exported library code the attribute
`nimBinOnly` should be set to `true`.
The following example shows a Nim program that depends only on Nim libraries: The following example shows a Nim program that depends only on Nim libraries:
```nix ```nix
{ lib, nimPackages, fetchFromGitHub }: { lib, buildNimPackage, fetchFromGitHub }:
nimPackages.buildNimPackage (finalAttrs: { buildNimPackage { } (finalAttrs: {
pname = "ttop"; pname = "ttop";
version = "1.0.1"; version = "1.2.7";
nimBinOnly = true;
src = fetchFromGitHub { src = fetchFromGitHub {
owner = "inv2004"; owner = "inv2004";
repo = "ttop"; repo = "ttop";
rev = "v${finalAttrs.version}"; rev = "v${finalAttrs.version}";
hash = "sha256-x4Uczksh6p3XX/IMrOFtBxIleVHdAPX9e8n32VAUTC4="; hash = "sha256-oPdaUqh6eN1X5kAYVvevOndkB/xnQng9QVLX9bu5P5E=";
}; };
buildInputs = with nimPackages; [ asciigraph illwill parsetoml zippy ]; lockFile = ./lock.json;
}) nimFlags = [
``` "-d:NimblePkgVersion=${finalAttrs.version}"
];
## Nim library packages in Nixpkgs {#nim-library-packages-in-nixpkgs}
Nim libraries can also be built using `nimPackages.buildNimPackage`, but
often the product of a fetcher is sufficient to satisfy a dependency.
The `fetchgit`, `fetchFromGitHub`, and `fetchNimble` functions yield an
output that can be discovered during the `configurePhase` of `buildNimPackage`.
Nim library packages are listed in
[pkgs/top-level/nim-packages.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/nim-packages.nix) and implemented at
[pkgs/development/nim-packages](https://github.com/NixOS/nixpkgs/tree/master/pkgs/development/nim-packages).
The following example shows a Nim library that propagates a dependency on a
non-Nim package:
```nix
{ lib, buildNimPackage, fetchNimble, SDL2 }:
buildNimPackage (finalAttrs: {
pname = "sdl2";
version = "2.0.4";
src = fetchNimble {
inherit (finalAttrs) pname version;
hash = "sha256-Vtcj8goI4zZPQs2TbFoBFlcR5UqDtOldaXSH/+/xULk=";
};
propagatedBuildInputs = [ SDL2 ];
}) })
``` ```
## `buildNimPackage` parameters {#buildnimpackage-parameters} ## `buildNimPackage` parameters {#buildnimpackage-parameters}
All parameters from `stdenv.mkDerivation` function are still supported. The The `buildNimPackage` function takes an attrset of parameters that are passed on to `stdenv.mkDerivation`.
following are specific to `buildNimPackage`:
* `nimBinOnly ? false`: If `true` then build only the programs listed in The following parameters are specific to `buildNimPackage`:
the Nimble file in the packages sources.
* `lockFile`: JSON formatted lockfile.
* `nimbleFile`: Specify the Nimble file location of the package being built * `nimbleFile`: Specify the Nimble file location of the package being built
rather than discover the file at build-time. rather than discover the file at build-time.
* `nimRelease ? true`: Build the package in *release* mode. * `nimRelease ? true`: Build the package in *release* mode.
@ -77,6 +41,72 @@ following are specific to `buildNimPackage`:
Use this to specify defines with arguments in the form of `-d:${name}=${value}`. Use this to specify defines with arguments in the form of `-d:${name}=${value}`.
* `nimDoc` ? false`: Build and install HTML documentation. * `nimDoc` ? false`: Build and install HTML documentation.
* `buildInputs` ? []: The packages listed here will be searched for `*.nimble` ## Lockfiles {#nim-lockfiles}
files which are used to populate the Nim library path. Otherwise the standard Nim lockfiles are created with the `nim_lk` utility.
behavior is in effect. Run `nim_lk` with the source directory as an argument and it will print a lockfile to stdout.
```sh
$ cd nixpkgs
$ nix build -f . ttop.src
$ nix run -f . nim_lk ./result | jq --sort-keys > pkgs/by-name/tt/ttop/lock.json
```
## Lockfile dependency overrides {#nimoverrides}
The `buildNimPackage` function matches the libraries specified by `lockFile` to attrset of override functions that are then applied to the package derivation.
The default overrides are maintained as the top-level `nimOverrides` attrset at `pkgs/top-level/nim-overrides.nix`.
For example, to propagate a dependency on SDL2 for lockfiles that select the Nim `sdl2` library, an overlay is added to the set in the `nim-overrides.nix` file:
```nix
{ lib
/* … */
, SDL2
/* … */
}:
{
/* … */
sdl2 =
lockAttrs:
finalAttrs:
{ buildInputs ? [ ], ... }:
{
buildInputs = buildInputs ++ [ SDL2 ];
};
/* … */
}
```
The annotations in the `nim-overrides.nix` set are functions that take three arguments and return a new attrset to be overlayed on the package being built.
- lockAttrs: the attrset for this library from within a lockfile. This can be used to implement library version constraints, such as marking libraries as broken or insecure.
- finalAttrs: the final attrset passed by `buildNimPackage` to `stdenv.mkDerivation`.
- prevAttrs: the attrset produced by initial arguments to `buildNimPackage` and any preceding lockfile overlays.
### Overriding an Nim library override {#nimoverrides-overrides}
The `nimOverrides` attrset makes it possible to modify overrides in a few different ways.
Override a package internal to its definition:
```nix
{ lib, buildNimPackage, nimOverrides, libressl }:
let
buildNimPackage' = buildNimPackage.override {
nimOverrides = nimOverrides.override { openssl = libressl; };
};
in buildNimPackage' (finalAttrs: {
pname = "foo";
# …
})
```
Override a package externally:
```nix
{ pkgs }: {
foo = pkgs.foo.override {
buildNimPackage = pkgs.buildNimPackage.override {
nimOverrides = pkgs.nimOverrides.override { openssl = libressl; };
};
};
}
```

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@ -1 +1,136 @@
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"depends": [
{
"method": "fetchzip",
"packages": [
"flatty"
],
"path": "/nix/store/vx0a8hw7hs5an0dnbrn6l16bd6is7hdr-source",
"ref": "0.3.4",
"rev": "07f6ba8ab96238e5bd1264cf0cea1d1746abb00c",
"sha256": "005nrldaasfl09zdsni1vi8s7dk0y85ijv6rm2wpj94435x66s36",
"srcDir": "src",
"url": "https://github.com/treeform/flatty/archive/07f6ba8ab96238e5bd1264cf0cea1d1746abb00c.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"chroma"
],
"path": "/nix/store/lk4hcmvwvliliyyidx7k3fk9yfijddc5-source",
"ref": "0.2.7",
"rev": "b2e71179174e040884ebf6a16cbac711c84620b9",
"sha256": "0pi6cq43ysm1wy5vva3i2dqvyh4dqppjjjl04yj9wfq7mngpqaa1",
"srcDir": "src",
"url": "https://github.com/treeform/chroma/archive/b2e71179174e040884ebf6a16cbac711c84620b9.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"typography"
],
"path": "/nix/store/bah1zq369ikykm6dz3r0hzhcq4s88sxq-source",
"ref": "0.7.14",
"rev": "a2a5165c36e0098dea526712890fb7e988ba27f2",
"sha256": "0n42hlvh0d9wkjr01p04jnkyn7y4y62pwjdcqw52absapbpsr1lb",
"srcDir": "src",
"url": "https://github.com/treeform/typography/archive/a2a5165c36e0098dea526712890fb7e988ba27f2.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"nimsimd"
],
"path": "/nix/store/9hfg3703m28w76ics7rn0hw1qymz0jrh-source",
"ref": "1.2.6",
"rev": "156e424306756a106442aca985eed61a8d12097b",
"sha256": "0hg9iq509rjsgd33cp3452v7whgbc30b5lnajifkls0z66rc2ndh",
"srcDir": "src",
"url": "https://github.com/guzba/nimsimd/archive/156e424306756a106442aca985eed61a8d12097b.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"pixie"
],
"path": "/nix/store/xjk8cg4dmja48rcswy0nphy3xhmf7nsz-source",
"ref": "5.0.6",
"rev": "f3e73f722fbb0e5d496fbc59ee860a9fd49983de",
"sha256": "12mqlczckhxcrg6il213fn7mcnqz3khwkh7i4bn57l55nzrhfvrh",
"srcDir": "src",
"url": "https://github.com/treeform/pixie/archive/f3e73f722fbb0e5d496fbc59ee860a9fd49983de.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"vmath"
],
"path": "/nix/store/f9dp6njaay5rf32f6l9gkw0dm25gim47-source",
"ref": "2.0.0",
"rev": "7282ae1247f2f384ebeaec3826d7fa38fd0e1df1",
"sha256": "1plw9lfrm42qar01rnjhm0d9mkzsc7c3b8kz43w5pb8j8drx1lyn",
"srcDir": "src",
"url": "https://github.com/treeform/vmath/archive/7282ae1247f2f384ebeaec3826d7fa38fd0e1df1.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"print"
],
"path": "/nix/store/16h19n8ndv42v8gn2vfdisdszv2wrln1-source",
"ref": "1.0.2",
"rev": "fb09637d6ebd6416b322a2b9bb95dd513040dea7",
"sha256": "1lyfnirwpy12lq9gr0sbnkf7ih7ayfvb1acjxk2z5gzlgxm1azp1",
"srcDir": "src",
"url": "https://github.com/treeform/print/archive/fb09637d6ebd6416b322a2b9bb95dd513040dea7.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"crunchy"
],
"path": "/nix/store/zrm3y895iwn057y5c4374bviih962w0v-source",
"ref": "0.1.9",
"rev": "d0c9ad33ae72aece49093d7688fc78a7101aa4b0",
"sha256": "14qgxcnyznjc180kdbilqzzya589rqaznfpp75yp37n47zdknfw0",
"srcDir": "src",
"url": "https://github.com/guzba/crunchy/archive/d0c9ad33ae72aece49093d7688fc78a7101aa4b0.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"sdl2"
],
"path": "/nix/store/da49jl6rhz6jlix6mds0alhlbq1qlkfy-source",
"ref": "v2.0.5",
"rev": "84d4702e838d684b7304882ffe796f57ef422fb6",
"sha256": "1vilid9xx5mp2yvssa3wf6g9svqdan87090klis891k9w1dd8i51",
"srcDir": "src",
"url": "https://github.com/nim-lang/sdl2/archive/84d4702e838d684b7304882ffe796f57ef422fb6.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"bumpy"
],
"path": "/nix/store/rpa0bv740i3yagp0ldkb68jp6scw4i5l-source",
"ref": "1.1.2",
"rev": "d7eaf00c24820ad0317c9926737402e62431e931",
"sha256": "0wrvdpvbwv4ysjsqc6hhvd97vql4k0m5l0zdrsrjlljd1n5g2haq",
"srcDir": "src",
"url": "https://github.com/treeform/bumpy/archive/d7eaf00c24820ad0317c9926737402e62431e931.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"zippy"
],
"path": "/nix/store/b98qlpki45417ws4pmjq052q1s7333wc-source",
"ref": "0.10.10",
"rev": "a3fd6f0458ffdd7cbbd416be99f2ca80a7852d82",
"sha256": "0zmavr2jnyyqkvvi6hlg2kh6qv6lzakwvsqjy0sjm3qdsna0aldg",
"srcDir": "src",
"url": "https://github.com/guzba/zippy/archive/a3fd6f0458ffdd7cbbd416be99f2ca80a7852d82.tar.gz"
}
]
}

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@ -1,11 +1,9 @@
{ lib, nim2Packages, fetchFromSourcehut, gentium, makeDesktopItem, nim_lk, SDL2 }: { lib, buildNimPackage, fetchFromSourcehut, gentium, makeDesktopItem }:
nim2Packages.buildNimPackage (finalAttrs: { buildNimPackage (finalAttrs: {
pname = "hottext"; pname = "hottext";
version = "20231003"; version = "20231003";
nimBinOnly = true;
src = fetchFromSourcehut { src = fetchFromSourcehut {
owner = "~ehmry"; owner = "~ehmry";
repo = "hottext"; repo = "hottext";
@ -13,9 +11,7 @@ nim2Packages.buildNimPackage (finalAttrs: {
hash = "sha256-ncH/1PV4vZY7JCUJ87FPz5bdrQsNlYxzGdc5BQNfQeA="; hash = "sha256-ncH/1PV4vZY7JCUJ87FPz5bdrQsNlYxzGdc5BQNfQeA=";
}; };
buildInputs = [ SDL2 ]; lockFile = ./lock.json;
nimFlags = nim_lk.passthru.nimFlagsFromLockFile ./lock.json;
HOTTEXT_FONT_PATH = "${gentium}/share/fonts/truetype/GentiumPlus-Regular.ttf"; HOTTEXT_FONT_PATH = "${gentium}/share/fonts/truetype/GentiumPlus-Regular.ttf";

View file

@ -133,9 +133,9 @@ proc buildPhase*() =
if err != 0: quit("build phase failed", err) if err != 0: quit("build phase failed", err)
proc installPhase*() = proc installPhase*() =
## Install the Nim sources if ``nimBinOnly`` is not ## Install the Nim sources if ``nimCopySources`` is
## set in the environment. ## set in the environment.
if not getEnvBool"nimBinOnly": if getEnvBool"nimCopySources":
let let
nf = getNimbleFilePath() nf = getNimbleFilePath()
srcDir = nf.getNimbleValue("srcDir", ".") srcDir = nf.getNimbleValue("srcDir", ".")

View file

@ -1 +1,28 @@
{"depends":[{"method":"fetchzip","packages":["npeg"],"path":"/nix/store/ffkxmjmigfs7zhhiiqm0iw2c34smyciy-source","ref":"1.2.1","rev":"26d62fdc40feb84c6533956dc11d5ee9ea9b6c09","sha256":"0xpzifjkfp49w76qmaylan8q181bs45anmp46l4bwr3lkrr7bpwh","srcDir":"src","url":"https://github.com/zevv/npeg/archive/26d62fdc40feb84c6533956dc11d5ee9ea9b6c09.tar.gz"},{"method":"fetchzip","packages":["preserves"],"path":"/nix/store/nrcpzf9hx70kry3gwhrdzcs3qicjncjh-source","ref":"20231021","rev":"edece399be70818208bf2263c30cb2bcf435bbff","sha256":"0xmw35wmw3a4lja9q4qvlvpxv3xk0hnkjg4fwfw6f3inh6zfiqki","srcDir":"src","url":"https://git.syndicate-lang.org/ehmry/preserves-nim/archive/edece399be70818208bf2263c30cb2bcf435bbff.tar.gz"}]} {
"depends": [
{
"method": "fetchzip",
"packages": [
"npeg"
],
"path": "/nix/store/ffkxmjmigfs7zhhiiqm0iw2c34smyciy-source",
"ref": "1.2.1",
"rev": "26d62fdc40feb84c6533956dc11d5ee9ea9b6c09",
"sha256": "0xpzifjkfp49w76qmaylan8q181bs45anmp46l4bwr3lkrr7bpwh",
"srcDir": "src",
"url": "https://github.com/zevv/npeg/archive/26d62fdc40feb84c6533956dc11d5ee9ea9b6c09.tar.gz"
},
{
"method": "fetchzip",
"packages": [
"preserves"
],
"path": "/nix/store/nrcpzf9hx70kry3gwhrdzcs3qicjncjh-source",
"ref": "20231021",
"rev": "edece399be70818208bf2263c30cb2bcf435bbff",
"sha256": "0xmw35wmw3a4lja9q4qvlvpxv3xk0hnkjg4fwfw6f3inh6zfiqki",
"srcDir": "src",
"url": "https://git.syndicate-lang.org/ehmry/preserves-nim/archive/edece399be70818208bf2263c30cb2bcf435bbff.tar.gz"
}
]
}

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@ -1,9 +1,8 @@
{ lib, buildPackages, nim2Packages, fetchFromSourcehut, openssl }: { lib, buildNimPackage, fetchFromSourcehut, nim, openssl, makeWrapper }:
nim2Packages.buildNimPackage (finalAttrs: { buildNimPackage (finalAttrs: {
pname = "nim_lk"; pname = "nim_lk";
version = "20231031"; version = "20231031";
nimBinOnly = true;
src = fetchFromSourcehut { src = fetchFromSourcehut {
owner = "~ehmry"; owner = "~ehmry";
@ -13,8 +12,14 @@ nim2Packages.buildNimPackage (finalAttrs: {
}; };
buildInputs = [ openssl ]; buildInputs = [ openssl ];
nativeBuildInputs = [ makeWrapper ];
nimFlags = finalAttrs.passthru.nimFlagsFromLockFile ./lock.json; lockFile = ./lock.json;
postFixup = ''
wrapProgram $out/bin/nim_lk \
--suffix PATH : ${lib.makeBinPath [ nim ]}
'';
meta = finalAttrs.src.meta // { meta = finalAttrs.src.meta // {
description = "Generate Nix specific lock files for Nim packages"; description = "Generate Nix specific lock files for Nim packages";
@ -24,29 +29,4 @@ nim2Packages.buildNimPackage (finalAttrs: {
platforms = lib.platforms.unix; platforms = lib.platforms.unix;
maintainers = with lib.maintainers; [ ehmry ]; maintainers = with lib.maintainers; [ ehmry ];
}; };
passthru.nimFlagsFromLockFile = let
fetchDependency = let
methods = {
fetchzip = { url, sha256, ... }:
buildPackages.fetchzip {
name = "source";
inherit url sha256;
};
git = { fetchSubmodules, leaveDotGit, rev, sha256, url, ... }:
buildPackages.fetchgit {
inherit fetchSubmodules leaveDotGit rev sha256 url;
};
};
in attrs@{ method, ... }: methods.${method} attrs // attrs;
in lockFile:
with builtins;
lib.pipe lockFile [
readFile
fromJSON
(getAttr "depends")
(map fetchDependency)
(map ({ outPath, srcDir, ... }: ''--path:"${outPath}/${srcDir}"''))
];
}) })

View file

@ -1,5 +1,13 @@
{ lib, stdenv, nim1, nim2, nim_builder, defaultNimVersion ? 2 }: { lib
pkgArgs: , buildPackages
, callPackage
, stdenv
, nim1
, nim2
, nim_builder
, defaultNimVersion ? 2
, nimOverrides
}:
let let
baseAttrs = { baseAttrs = {
@ -30,22 +38,79 @@ let
meta = { inherit (nim2.meta) maintainers platforms; }; meta = { inherit (nim2.meta) maintainers platforms; };
}; };
inputsOverride = { depsBuildBuild ? [ ], nativeBuildInputs ? [ ] fodFromLockEntry =
, requiredNimVersion ? defaultNimVersion, ... }: let
(if requiredNimVersion == 1 then { methods = {
nativeBuildInputs = [ nim1 ] ++ nativeBuildInputs; fetchzip = { url, sha256, ... }:
} else if requiredNimVersion == 2 then { buildPackages.fetchzip {
nativeBuildInputs = [ nim2 ] ++ nativeBuildInputs; name = "source";
} else inherit url sha256;
throw "requiredNimVersion ${toString requiredNimVersion} is not valid")
// {
depsBuildBuild = [ nim_builder ] ++ depsBuildBuild;
}; };
git = { fetchSubmodules, leaveDotGit, rev, sha256, url, ... }:
buildPackages.fetchgit {
inherit fetchSubmodules leaveDotGit rev sha256 url;
};
};
in
attrs@{ method, ... }:
let fod = methods.${method} attrs;
in ''--path:"${fod.outPath}/${attrs.srcDir}"'';
callAnnotations = { packages, ... }@lockAttrs:
map (packageName: nimOverrides.${packageName} or (_: [ ]) lockAttrs)
packages;
asFunc = x: if builtins.isFunction x then x else (_: x);
in
buildNimPackageArgs:
let
composition = finalAttrs: composition = finalAttrs:
let let
asFunc = x: if builtins.isFunction x then x else (_: x); postPkg = baseAttrs
prev = baseAttrs // (asFunc ((asFunc pkgArgs) finalAttrs)) baseAttrs; // (asFunc ((asFunc buildNimPackageArgs) finalAttrs)) baseAttrs;
in prev // inputsOverride prev;
in stdenv.mkDerivation composition lockAttrs =
lib.attrsets.optionalAttrs (builtins.hasAttr "lockFile" postPkg)
(builtins.fromJSON (builtins.readFile postPkg.lockFile));
lockDepends = lockAttrs.depends or [ ];
lockFileNimFlags = map fodFromLockEntry lockDepends;
annotationOverlays = lib.lists.flatten (map callAnnotations lockDepends);
postLock = builtins.foldl'
(prevAttrs: overlay: prevAttrs // (overlay finalAttrs prevAttrs))
postPkg
annotationOverlays;
finalOverride =
{ depsBuildBuild ? [ ]
, nativeBuildInputs ? [ ]
, nimFlags ? [ ]
, requiredNimVersion ? defaultNimVersion
, nimCopySources ? (lockAttrs == {}) # TODO: remove when nimPackages is gone
, ...
}:
(if requiredNimVersion == 1 then {
depsBuildBuild = [ nim_builder ] ++ depsBuildBuild;
nativeBuildInputs = [ nim1 ] ++ nativeBuildInputs;
} else if requiredNimVersion == 2 then {
depsBuildBuild = [ nim_builder ] ++ depsBuildBuild;
nativeBuildInputs = [ nim2 ] ++ nativeBuildInputs;
} else
throw
"requiredNimVersion ${toString requiredNimVersion} is not valid") // {
nimFlags = lockFileNimFlags ++ nimFlags;
inherit nimCopySources;
};
attrs = postLock // finalOverride postLock;
in
lib.trivial.warnIf (builtins.hasAttr "nimBinOnly" attrs)
"the nimBinOnly attribute is deprecated for buildNimPackage"
attrs;
in
stdenv.mkDerivation composition

View file

@ -16811,6 +16811,7 @@ with pkgs;
nimPackages = recurseIntoAttrs nim1.pkgs; nimPackages = recurseIntoAttrs nim1.pkgs;
nim2Packages = recurseIntoAttrs nim2.pkgs; nim2Packages = recurseIntoAttrs nim2.pkgs;
buildNimPackage = callPackage ../development/compilers/nim/build-nim-package.nix { }; buildNimPackage = callPackage ../development/compilers/nim/build-nim-package.nix { };
nimOverrides = callPackage ./nim-overrides.nix { };
nrpl = callPackage ../development/tools/nrpl { }; nrpl = callPackage ../development/tools/nrpl { };

View file

@ -0,0 +1,16 @@
{ lib
, SDL2
}:
# The following is list of overrides that take three arguments each:
# - lockAttrs: - an attrset from a Nim lockfile, use this for making constraints on the locked library
# - finalAttrs: - final arguments to the depender package
# - prevAttrs: - preceding arguments to the depender package
{
sdl2 = lockAttrs: finalAttrs:
{ buildInputs ? [ ], ... }: {
buildInputs = buildInputs ++ [ SDL2 ];
};
}

View file

@ -7,7 +7,7 @@ lib.makeScope newScope (self:
buildNimPackage = buildNimPackage.override { buildNimPackage = buildNimPackage.override {
defaultNimVersion = defaultNimVersion =
if lib.versionAtLeast nim.version "2.0.0" then 2 else 1; if lib.versionAtLeast nim.version "2.0.0" then 2 else 1;
}; } { };
asciigraph = callPackage ../development/nim-packages/asciigraph { }; asciigraph = callPackage ../development/nim-packages/asciigraph { };