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Split monolithic raw crates into sys crates

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Creating a crate for bwd-gc highlights the fact that it would be nice to
fix 2!

The file blocklist is a lost less unmaintainable then the more
fine-grained one we had before.

Fix #9
This commit is contained in:
John Ericson 2025-12-06 15:44:20 -05:00
parent 485070ffa9
commit dbb00333b1
51 changed files with 571 additions and 104 deletions
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41
flake.nix
View file

@ -29,10 +29,7 @@
{
_file = ./flake.nix;
options.perSystem = flake-parts-lib.mkPerSystemOption (
{ config, pkgs, ... }:
let
cfg = config.nix-bindings-rust;
in
{ pkgs, ... }:
{
options.nix-bindings-rust = {
nixPackage = lib.mkOption {
@ -49,10 +46,25 @@
A module to load into your nix-cargo-integration
[`perSystem.nci.projects.<name>.depsDrvConfig`](https://flake.parts/options/nix-cargo-integration.html#opt-perSystem.nci.projects._name_.depsDrvConfig) or similar such options.
This provides common build configuration (pkg-config, libclang, etc.) but you must
add the specific Nix C libraries your crates need to `buildInputs`:
- `nix-bindings-util-sys` needs `nix-util-c`
- `nix-bindings-store-sys` needs `nix-store-c`
- `nix-bindings-expr-sys` needs `nix-expr-c`
- `nix-bindings-fetchers-sys` needs `nix-fetchers-c` (Nix >= 2.29)
- `nix-bindings-flake-sys` needs `nix-flake-c`
- `nix-bindings-bdwgc-sys` needs `boehmgc`
Example:
```nix
perSystem = perSystem@{ config, ... }: {
nci.projects."my_project".depsDrvConfig = perSystem.config.nix-bindings-rust.nciBuildConfig;
perSystem = perSystem@{ config, pkgs, ... }: {
nci.projects."my_project".depsDrvConfig = {
imports = [ perSystem.config.nix-bindings-rust.nciBuildConfig ];
mkDerivation.buildInputs = [
perSystem.config.nix-bindings-rust.nixPackage.libs.nix-store-c
# ... add other libs as needed
];
};
}
```
'';
@ -64,22 +76,7 @@
buildInputs = [
# stdbool.h
pkgs.stdenv.cc
]
++ (
if cfg.nixPackage ? libs then
let
l = cfg.nixPackage.libs;
in
[
l.nix-expr-c
l.nix-store-c
l.nix-util-c
l.nix-fetchers-c or null # Nix >= 2.29
l.nix-flake-c
]
else
[ cfg.nixPackage ]
);
];
nativeBuildInputs = [
pkgs.pkg-config
];