Add rust toolchains
Signed-off-by: Ravago Jones <ravagojones@gmail.com>
Change-Id: I5f36ff152b01bbb628dea45175294cf7f52bb15f
diff --git a/WORKSPACE b/WORKSPACE
index 4aaad5b..96aa929 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -226,6 +226,8 @@
#"//tools/cpp:cc-toolchain-cortex-m4f-k22",
"//tools/python:python_toolchain",
"//tools/go:noop_go_toolchain",
+ "//tools/rust:rust-toolchain-roborio",
+ "//tools/rust:noop_rust_toolchain",
)
load("//tools/ci:repo_defs.bzl", "ci_configure")
@@ -777,6 +779,29 @@
urls = ["https://github.com/bazelbuild/rules_webtesting/releases/download/0.3.5/rules_webtesting.tar.gz"],
)
+http_archive(
+ name = "rules_rust",
+ sha256 = "531bdd470728b61ce41cf7604dc4f9a115983e455d46ac1d0c1632f613ab9fc3",
+ strip_prefix = "rules_rust-d8238877c0e552639d3e057aadd6bfcf37592408",
+ urls = [
+ # `main` branch as of 2021-08-23
+ "https://github.com/bazelbuild/rules_rust/archive/d8238877c0e552639d3e057aadd6bfcf37592408.tar.gz",
+ ],
+)
+
+load("@rules_rust//rust:repositories.bzl", "rust_repository_set")
+
+rust_repository_set(
+ name = "rust",
+ edition = "2021",
+ exec_triple = "x86_64-unknown-linux-gnu",
+ extra_target_triples = [
+ "arm-unknown-linux-gnueabi",
+ "armv7-unknown-linux-gnueabihf",
+ ],
+ version = "1.56.1",
+)
+
# Flatbuffers
local_repository(
name = "com_github_google_flatbuffers",
diff --git a/build_tests/BUILD b/build_tests/BUILD
index ca34de2..6a81509 100644
--- a/build_tests/BUILD
+++ b/build_tests/BUILD
@@ -2,6 +2,7 @@
load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_py_library")
load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
load("//tools/build_rules:apache.bzl", "apache_wrapper")
+load("@rules_rust//rust:defs.bzl", "rust_binary", "rust_library", "rust_test")
cc_test(
name = "gflags_build_test",
@@ -126,3 +127,23 @@
binary = ":dummy_http_server",
target_compatible_with = ["@platforms//cpu:x86_64"],
)
+
+rust_library(
+ name = "hello_lib",
+ srcs = ["hello_lib.rs"],
+ target_compatible_with = ["@platforms//os:linux"],
+)
+
+rust_test(
+ name = "hello_lib_test",
+ srcs = ["hello_lib.rs"],
+ target_compatible_with = ["@platforms//os:linux"],
+ deps = [":hello_lib"],
+)
+
+rust_binary(
+ name = "rust_hello",
+ srcs = ["rust_hello.rs"],
+ target_compatible_with = ["@platforms//os:linux"],
+ deps = [":hello_lib"],
+)
diff --git a/build_tests/hello_lib.rs b/build_tests/hello_lib.rs
new file mode 100644
index 0000000..6374ce6
--- /dev/null
+++ b/build_tests/hello_lib.rs
@@ -0,0 +1,24 @@
+pub struct Greeter {
+ greeting: String,
+}
+
+impl Greeter {
+ pub fn new(greeting: &str) -> Greeter {
+ Greeter { greeting: greeting.to_string(), }
+ }
+
+ pub fn greet(&self, thing: &str) -> String {
+ format!("{} {}", &self.greeting, thing)
+ }
+}
+
+#[cfg(test)]
+mod test {
+ use super::Greeter;
+
+ #[test]
+ fn test_greeting() {
+ let hello = Greeter::new("Hi");
+ assert_eq!("Hi Rust", hello.greet("Rust"));
+ }
+}
diff --git a/build_tests/rust_hello.rs b/build_tests/rust_hello.rs
new file mode 100644
index 0000000..6c6bf9f
--- /dev/null
+++ b/build_tests/rust_hello.rs
@@ -0,0 +1,21 @@
+extern crate hello_lib;
+
+extern "C" {
+ fn sqrt(x: f64) -> f64;
+}
+
+fn main() {
+ let hello = hello_lib::Greeter::new("Hello");
+ println!("{},\n{}", hello.greet("world"), hello.greet("bazel"));
+
+ let mut numbers = Vec::new();
+ for i in 1..=10 {
+ numbers.push(i);
+ }
+ println!("{:?}", numbers);
+
+ let words = vec!["foo", "bar", "baz"];
+ println!("{:?}", words);
+
+ println!("sqrt(4) = {}", unsafe { sqrt(4.0) });
+}
diff --git a/tools/cpp/BUILD b/tools/cpp/BUILD
index 17f218e..6ff661a 100644
--- a/tools/cpp/BUILD
+++ b/tools/cpp/BUILD
@@ -76,6 +76,7 @@
srcs = [
":flags_compiler_inputs",
"//tools/cpp/arm-frc-linux-gnueabi:as",
+ "//tools/cpp/arm-frc-linux-gnueabi:libs",
"//tools/cpp/arm-frc-linux-gnueabi:tool-wrappers",
"@arm_frc_linux_gnueabi_repo//:compiler_pieces",
],
diff --git a/tools/dependency_rewrite b/tools/dependency_rewrite
index 3cafe9b..cc1de8c 100644
--- a/tools/dependency_rewrite
+++ b/tools/dependency_rewrite
@@ -5,6 +5,7 @@
rewrite dl.google.com/(.*) software.frc971.org/Build-Dependencies/dl.google.com/$1
rewrite mirror.bazel.build/(.*) software.frc971.org/Build-Dependencies/mirror.bazel.build/$1
rewrite nodejs.org/(.*) software.frc971.org/Build-Dependencies/nodejs.org/$1
+rewrite static.rust-lang.org/(.*) software.frc971.org/Build-Dependencies/static.rust-lang.org/$1
allow golang.org
allow software.frc971.org
diff --git a/tools/platforms/BUILD b/tools/platforms/BUILD
index bb53ee1..d6a63c7 100644
--- a/tools/platforms/BUILD
+++ b/tools/platforms/BUILD
@@ -6,6 +6,7 @@
"@platforms//os:linux",
"@platforms//cpu:x86_64",
"//tools/platforms/go:has_support",
+ "//tools/platforms/rust:has_support",
],
)
@@ -16,6 +17,7 @@
"@platforms//cpu:armv7",
"//tools/platforms/hardware:raspberry_pi",
"//tools/platforms/go:lacks_support",
+ "//tools/platforms/rust:has_support",
],
)
@@ -25,6 +27,7 @@
"@platforms//os:linux",
"@platforms//cpu:arm64",
"//tools/platforms/go:lacks_support",
+ "//tools/platforms/rust:has_support",
],
)
@@ -35,6 +38,7 @@
"@platforms//cpu:armv7",
"//tools/platforms/hardware:roborio",
"//tools/platforms/go:lacks_support",
+ "//tools/platforms/rust:has_support",
],
)
@@ -44,6 +48,7 @@
"@platforms//os:none",
"//tools/platforms/hardware:cortex_m4f",
"//tools/platforms/go:lacks_support",
+ "//tools/platforms/rust:lacks_support",
],
)
@@ -53,6 +58,7 @@
"@platforms//os:none",
"//tools/platforms/hardware:cortex_m0plus",
"//tools/platforms/go:lacks_support",
+ "//tools/platforms/rust:lacks_support",
],
)
diff --git a/tools/platforms/rust/BUILD b/tools/platforms/rust/BUILD
new file mode 100644
index 0000000..5b4745f
--- /dev/null
+++ b/tools/platforms/rust/BUILD
@@ -0,0 +1,13 @@
+package(default_visibility = ["//visibility:public"])
+
+constraint_setting(name = "rust_support")
+
+constraint_value(
+ name = "has_support",
+ constraint_setting = ":rust_support",
+)
+
+constraint_value(
+ name = "lacks_support",
+ constraint_setting = ":rust_support",
+)
diff --git a/tools/rust/BUILD b/tools/rust/BUILD
new file mode 100644
index 0000000..a652530
--- /dev/null
+++ b/tools/rust/BUILD
@@ -0,0 +1,73 @@
+load("@rules_rust//rust:toolchain.bzl", "rust_stdlib_filegroup", "rust_toolchain")
+load("@bazel_skylib//rules:write_file.bzl", "write_file")
+
+# Similar to the one automatically generated by @rust, but with the correct
+# hardware platform configured.
+toolchain(
+ name = "rust-toolchain-roborio",
+ exec_compatible_with = [
+ "@platforms//os:linux",
+ "@platforms//cpu:x86_64",
+ ],
+ target_compatible_with = [
+ "@platforms//os:linux",
+ "//tools/platforms/hardware:roborio",
+ ],
+ toolchain = "@rust//:toolchain_for_arm-unknown-linux-gnueabi_impl",
+ toolchain_type = "@rules_rust//rust:toolchain",
+)
+
+# The remainder of this file exists to create a NOOP toolchain for Rust on
+# platforms that don't support Rust. We can probably get rid of this once
+# https://github.com/bazelbuild/bazel/issues/12897 is fixed.
+
+write_file(
+ name = "noop_error_exit",
+ out = "noop_error_exit.sh",
+ content = [
+ "#!/bin/bash",
+ "echo 'This should never be executed. Something went wrong.' >&2",
+ "echo 'This NOOP Rust toolchain should never be executed. Something went wrong.' >&2",
+ "echo 'Check that your target has `target_compatible_with` set to a platform that supports Rust.' >&2",
+ "exit 1",
+ ],
+ is_executable = True,
+)
+
+rust_stdlib_filegroup(
+ name = "empty_stdlib",
+ srcs = [":noop_error_exit"],
+)
+
+rust_toolchain(
+ name = "noop_rust_toolchain_impl",
+ binary_ext = "",
+ cargo = ":noop_error_exit",
+ clippy_driver = ":noop_error_exit",
+ default_edition = "2021",
+ dylib_ext = ".so",
+ exec_triple = "none",
+ os = "none",
+ rust_doc = ":noop_error_exit",
+ rust_lib = ":empty_stdlib",
+ rustc = ":noop_error_exit",
+ rustc_lib = ":noop_error_exit",
+ rustc_srcs = None,
+ rustfmt = ":noop_error_exit",
+ staticlib_ext = ".a",
+ stdlib_linkflags = [],
+ tags = ["manual"],
+ target_triple = "none",
+)
+
+toolchain(
+ name = "noop_rust_toolchain",
+ exec_compatible_with = [
+ "@platforms//os:linux",
+ ],
+ target_compatible_with = [
+ "//tools/platforms/rust:lacks_support",
+ ],
+ toolchain = ":noop_rust_toolchain_impl",
+ toolchain_type = "@rules_rust//rust:toolchain",
+)