nodejs_26: 26.0.0 -> 26.1.0

pkgs/development/web/nodejs/nodejs.nix

@@ -10,6 +10,7 @@
   c-ares,
   gtest,
   hdrhistogram_c,
+  libffiReal,
   libuv,
   lief,
   llhttp,
@@ -129,6 +130,7 @@ let
   # TODO: also handle MIPS flags (mips_arch, mips_fpu, mips_float_abi).
 
   useSharedAdaAndSimd = lib.versionAtLeast version "22.2";
+  useSharedFFI = lib.versionAtLeast version "26.1";
   useSharedGtestAndHistogram = lib.versionAtLeast version (
     if majorVersion == 24 then "24.14.0" else "25.4"
   );
@@ -170,6 +172,9 @@ let
     inherit gtest;
     hdr-histogram = hdrhistogram_c;
   })
+  // (lib.optionalAttrs useSharedFFI {
+    ffi = libffiReal;
+  })
   // (lib.optionalAttrs useSharedLief {
     inherit lief;
   })
@@ -393,6 +398,7 @@ let
           "tooltest"
           "cctest"
         ]
+        ++ lib.optional useSharedFFI "build-ffi-tests"
         ++ lib.optionals (!stdenv.buildPlatform.isDarwin || lib.versionAtLeast version "20") [
           # There are some test failures on macOS before v20 that are not worth the
           # time to debug for a version that would be eventually removed in less