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support riscv64 target

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Signed-off-by: xermicus <cyrill@parity.io>
This commit is contained in:
xermicus
2024-07-09 17:57:58 +02:00
parent a4c4ad55dc
commit 6834751522
15 changed files with 96 additions and 16 deletions
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crates/builtins/build.rs
+13 -6
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@@ -1,7 +1,11 @@
use std::{env, fs, io::Read, path::Path, process::Command};
#[cfg(not(feature = "riscv-64"))]
pub const BUILTINS_ARCHIVE_FILE: &str = "libclang_rt.builtins-riscv32.a";
#[cfg(feature = "riscv-64")]
pub const BUILTINS_ARCHIVE_FILE: &str = "libclang_rt.builtins-riscv64.a";
fn main() {
let lib = "libclang_rt.builtins-riscv32.a";
let mut llvm_lib_dir = String::new();
Command::new("llvm-config")
@@ -15,19 +19,22 @@ fn main() {
let mut lib_path = std::path::PathBuf::from(llvm_lib_dir.trim())
.join("linux")
.join(lib);
.join(BUILTINS_ARCHIVE_FILE);
if !lib_path.exists() {
lib_path = std::path::PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap()).join(lib);
lib_path = std::path::PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap())
.join(BUILTINS_ARCHIVE_FILE);
}
let archive = fs::read(lib_path).expect("clang builtins for riscv32 not found");
let archive = fs::read(lib_path).expect("clang builtins not found");
let out_dir = env::var_os("OUT_DIR").expect("has OUT_DIR");
let archive_path = Path::new(&out_dir).join(lib);
let archive_path = Path::new(&out_dir).join(BUILTINS_ARCHIVE_FILE);
let len = archive.len();
std::fs::write(archive_path, &archive).expect("can write to OUT_DIR");
let src_path = Path::new(&out_dir).join("compiler_rt.rs");
let src = format!("pub static COMPILER_RT: &[u8; {len}] = include_bytes!(\"{lib}\");");
let src = format!(
"pub static COMPILER_RT: &[u8; {len}] = include_bytes!(\"{BUILTINS_ARCHIVE_FILE}\");"
);
fs::write(src_path, src).expect("can write to OUT_DIR");
println!("cargo:rerun-if-changed=build.rs");