zipline: properly built sharp dependency against system libvips

instead of search/replace libvips-cpp.so which does not work anymore
 for old CPUs since sharp 0.34.0 due to
 3fd818c4b5

nixos/tests/zipline.nix

@@ -1,10 +1,13 @@
-{ lib, ... }:
+{ lib, pkgs, ... }:
 
 {
   name = "zipline";
   meta.maintainers = with lib.maintainers; [ defelo ];
 
   nodes.machine = {
+    # On x86, testing with a CPU without SSE 4.2 support
+    # to ensure native libvips is used
+    virtualisation.qemu.options = lib.mkIf pkgs.stdenv.hostPlatform.isx86 [ "-cpu core2duo" ];
     services.zipline = {
       enable = true;
       settings = {
@@ -38,7 +41,7 @@
     import re
 
     machine.wait_for_unit("zipline.service")
-    machine.wait_for_open_port(8000)
+    machine.wait_for_open_port(8000, timeout=300)
 
     resp = machine.succeed("curl zipline.local:8000/api/setup -v -X POST -H 'Content-Type: application/json' -d '{\"username\": \"administrator\", \"password\": \"password\"}' 2>&1")
     data = json.loads(resp.splitlines()[-1])

pkgs/by-name/zi/zipline/package.nix

@@ -12,6 +12,9 @@
   versionCheckHook,
   nix-update-script,
   nixosTests,
+  node-gyp,
+  pkg-config,
+  python3,
 }:
 
 let
@@ -43,12 +46,19 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-O8RLaKff4Dj/JDeUOyf7GtcFcOu/aOuclyaZmVqVi5s=";
   };
 
-  buildInputs = [ vips ];
+  buildInputs = [
+    openssl
+    vips
+  ];
 
   nativeBuildInputs = [
     pnpm_10.configHook
     nodejs_24
     makeWrapper
+    # for sharp build:
+    node-gyp
+    pkg-config
+    python3
   ];
 
   env = environment;
@@ -56,6 +66,11 @@ stdenv.mkDerivation (finalAttrs: {
   buildPhase = ''
     runHook preBuild
 
+    # Force build of sharp against native libvips (requires running install scripts).
+    # This is necessary for supporting old CPUs (ie. without SSE 4.2 instruction set).
+    pnpm config set nodedir ${nodejs_24}
+    pnpm install --force --offline --frozen-lockfile
+
     pnpm build
 
     runHook postBuild
@@ -88,14 +103,6 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
-  preFixup = ''
-    find $out -name libvips-cpp.so.42 -print0 | while read -d $'\0' libvips; do
-      echo replacing libvips at $libvips
-      rm $libvips
-      ln -s ${lib.getLib vips}/lib/libvips-cpp.so.42 $libvips
-    done
-  '';
-
   nativeInstallCheckInputs = [ versionCheckHook ];
   versionCheckProgram = "${placeholder "out"}/bin/ziplinectl";
   versionCheckProgramArg = "--version";