diff --git a/guix.scm b/guix.scm
index cc4cfc4..0ac4cf4 100644
--- a/guix.scm
+++ b/guix.scm
@@ -32,8 +32,6 @@
              (guix build-system cmake)
              ((guix licenses) #:prefix license:))
 
-
-
 (define this-directory
   (dirname (local-file-absolute-file-name (local-file "guix.scm"))))
 
@@ -70,6 +68,39 @@
       (synopsis "Adding rust to cmake projects")
       (description "idk"))))
 
+(define-public rust-cxx-qt-1
+  (package
+    (name "rust-cxx")
+    (version "1.0.86")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "cxx" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0yc5gz723hiwqk7waygj63655fh5vzq3551p1j2wyzc06xf0glai"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f  ; Cannot compile cxx-test-suite.
+       #:cargo-inputs
+       (("rust-cc" ,rust-cc-1)
+        ("rust-cxxbridge-flags" ,rust-cxxbridge-flags-1)
+        ("rust-cxxbridge-macro" ,rust-cxxbridge-macro-1)
+        ("rust-link-cplusplus" ,rust-link-cplusplus-1))
+       #:cargo-development-inputs
+       (("rust-cxx-build" ,rust-cxx-build-1)
+        ("rust-cxx-gen" ,rust-cxx-gen-0.7)
+        ("rust-cxx-test-suite" ,rust-cxx-test-suite-0.0.0)
+        ("rust-rustversion" ,rust-rustversion-1)
+        ("rust-trybuild" ,rust-trybuild-1))))
+    (home-page "https://cxx.rs")
+    (synopsis "Safe interop between Rust and C++")
+    (description "This package provides a safe interop between Rust and C++.")
+    (license (list license:expat license:asl2.0))))
+
+
 (define-public lumina
   (package
     (name "lumina")
@@ -86,6 +117,7 @@
                   ffmpeg))
     (propagated-inputs (list clang
                              cmake
+                             mold
                              clazy
                              clang-toolchain
                              gdb