Move stdlib workspace Cargo.toml to a patch

Author: bjorn3

build_sysroot/Cargo.toml

@@ -0,0 +1,45 @@
+From 3700aeda429a08d0e48f376194f330eaf084735a Mon Sep 17 00:00:00 2001
+From: bjorn3 <[email protected]>
+Date: Mon, 29 May 2023 11:52:57 +0000
+Subject: [PATCH] Add cargo workspace
+
+---
+ Cargo.toml | 26 ++++++++++++++++++++++++++
+ 1 file changed, 26 insertions(+)
+ create mode 100644 Cargo.toml
+
+diff --git a/Cargo.toml b/Cargo.toml
+new file mode 100644
+index 0000000..3e5d0c1
+--- /dev/null
++++ b/Cargo.toml
+@@ -0,0 +1,26 @@
++[workspace]
++members = ["./library/sysroot"]
++
++[patch.crates-io]
++rustc-std-workspace-core = { path = "./library/rustc-std-workspace-core" }
++rustc-std-workspace-alloc = { path = "./library/rustc-std-workspace-alloc" }
++rustc-std-workspace-std = { path = "./library/rustc-std-workspace-std" }
++
++[profile.dev]
++lto = "off"
++
++[profile.release]
++debug = true
++incremental = true
++lto = "off"
++
++# Mandatory for correctly compiling compiler-builtins
++[profile.dev.package.compiler_builtins]
++debug-assertions = false
++overflow-checks = false
++codegen-units = 10000
++
++[profile.release.package.compiler_builtins]
++debug-assertions = false
++overflow-checks = false
++codegen-units = 10000
+-- 
+2.34.1
+