yara-x: build and install C library

pkgs/by-name/ya/yara-x/package.nix

@@ -1,9 +1,11 @@
 {
   lib,
+  rust,
   stdenv,
   fetchFromGitHub,
   rustPlatform,
   installShellFiles,
+  cargo-c,
   testers,
   yara-x,
 }:
@@ -24,15 +26,24 @@ rustPlatform.buildRustPackage rec {
 
   nativeBuildInputs = [
     installShellFiles
+    cargo-c
   ];
 
-  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
-    installShellCompletion --cmd yr \
-      --bash <($out/bin/yr completion bash) \
-      --fish <($out/bin/yr completion fish) \
-      --zsh <($out/bin/yr completion zsh)
+  postBuild = ''
+    ${rust.envVars.setEnv} cargo cbuild --release --frozen --prefix=${placeholder "out"} --target ${stdenv.hostPlatform.rust.rustcTarget}
   '';
 
+  postInstall =
+    ''
+      ${rust.envVars.setEnv} cargo cinstall --release --frozen --prefix=${placeholder "out"} --target ${stdenv.hostPlatform.rust.rustcTarget}
+    ''
+    + lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+      installShellCompletion --cmd yr \
+        --bash <($out/bin/yr completion bash) \
+        --fish <($out/bin/yr completion fish) \
+        --zsh <($out/bin/yr completion zsh)
+    '';
+
   passthru.tests.version = testers.testVersion {
     package = yara-x;
   };