Add Rust language

rust/patches/0001-Update-xz2-and-use-it-static.patch

@@ -0,0 +1,48 @@
+From d3000458501d339ea2043006924d431ead18769e Mon Sep 17 00:00:00 2001
+From: Luca Barbato <lu_zero@gentoo.org>
+Date: Sun, 4 Jun 2023 19:32:28 +0000
+Subject: [PATCH] Update xz2 and use it static
+
+---
+ Cargo.lock               | 8 ++++----
+ src/bootstrap/Cargo.lock | 8 ++++----
+ src/bootstrap/Cargo.toml | 2 +-
+ 3 files changed, 9 insertions(+), 9 deletions(-)
+
+--- a/src/bootstrap/Cargo.lock
++++ b/src/bootstrap/Cargo.lock
+@@ -443,9 +443,9 @@ dependencies = [
+ 
+ [[package]]
+ name = "lzma-sys"
+-version = "0.1.17"
++version = "0.1.20"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "bdb4b7c3eddad11d3af9e86c487607d2d2442d185d848575365c4856ba96d619"
++checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27"
+ dependencies = [
+  "cc",
+  "libc",
+@@ -912,9 +912,9 @@ dependencies = [
+ 
+ [[package]]
+ name = "xz2"
+-version = "0.1.6"
++version = "0.1.7"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "c179869f34fc7c01830d3ce7ea2086bc3a07e0d35289b667d0a8bf910258926c"
++checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2"
+ dependencies = [
+  "lzma-sys",
+ ]
+--- a/src/bootstrap/Cargo.toml
++++ b/src/bootstrap/Cargo.toml
+@@ -50,7 +50,7 @@ toml = "0.5"
+ ignore = "0.4.10"
+ opener = "0.5"
+ once_cell = "1.7.2"
+-xz2 = "0.1"
++xz2 = { version = "0.1", features = ["static"] }
+ walkdir = "2"
+ 
+ # Dependencies needed by the build-metrics feature