convert main() from C to Rust

This moves the main() function from C to Rust. It also updates the name
of the Rust package from "bcachefs-rust" to "bcachefs-tools".

Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 21 insertions, 0 deletions

diff --git a/rust-src/build.rs b/rust-src/build.rs
new file mode 100644
index 00000000..e4662bd7
--- /dev/null
+++ b/rust-src/build.rs
@@ -0,0 +1,21 @@
+fn main() {
+    println!("cargo:rustc-link-search=..");
+    println!("cargo:rerun-if-changed=../libbcachefs.a");
+    println!("cargo:rustc-link-lib=static:+whole-archive=bcachefs");
+
+    println!("cargo:rustc-link-lib=urcu");
+    println!("cargo:rustc-link-lib=zstd");
+    println!("cargo:rustc-link-lib=blkid");
+    println!("cargo:rustc-link-lib=uuid");
+    println!("cargo:rustc-link-lib=sodium");
+    println!("cargo:rustc-link-lib=z");
+    println!("cargo:rustc-link-lib=lz4");
+    println!("cargo:rustc-link-lib=zstd");
+    println!("cargo:rustc-link-lib=udev");
+    println!("cargo:rustc-link-lib=keyutils");
+    println!("cargo:rustc-link-lib=aio");
+
+    if std::env::var("BCACHEFS_FUSE").is_ok() {
+        println!("cargo:rustc-link-lib=fuse3");
+    }
+}