mirror of
https://github.com/mii443/merkle.rs.git
synced 2025-08-22 16:05:30 +00:00
59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
#[cfg(feature = "serialization-protobuf")]
|
|
extern crate protoc_rust;
|
|
|
|
#[cfg(feature = "serialization-protobuf")]
|
|
fn has_right_protoc_version(version: &str) -> bool {
|
|
use std::process::{Command, Stdio};
|
|
let protoc = Command::new("protoc")
|
|
.stdin(Stdio::null())
|
|
.stdout(Stdio::piped())
|
|
.stderr(Stdio::piped())
|
|
.args(&["--version"])
|
|
.spawn()
|
|
.unwrap();
|
|
|
|
let version_output = protoc.wait_with_output().unwrap();
|
|
assert!(version_output.status.success());
|
|
|
|
String::from_utf8(version_output.stdout).unwrap().trim() == version.trim()
|
|
}
|
|
|
|
#[cfg(feature = "serialization-protobuf")]
|
|
fn build_protobuf(out_dir: &str, input: &[&str], includes: &[&str]) {
|
|
use self::protoc_rust::{run, Args};
|
|
run(Args {
|
|
out_dir,
|
|
input,
|
|
includes,
|
|
customize: Default::default(),
|
|
}).expect("protoc");
|
|
}
|
|
|
|
#[cfg(feature = "serialization-protobuf")]
|
|
fn build_protobuf_schemata() {
|
|
use std::fs::File;
|
|
use std::io::Read;
|
|
let mut version_string = String::new();
|
|
let mut version_pin =
|
|
File::open("PROTOC_VERSION").expect("protoc version pin `PROTOC_VERSION` file is missing");
|
|
version_pin
|
|
.read_to_string(&mut version_string)
|
|
.expect("cannot read protoc pin file");
|
|
|
|
if !has_right_protoc_version(&version_string) {
|
|
eprintln!(
|
|
"Build failed because merkle.rs could not find: {}",
|
|
version_string
|
|
);
|
|
|
|
std::process::exit(1);
|
|
}
|
|
|
|
build_protobuf("src/proto", &["protobuf/proof.proto"], &[]);
|
|
}
|
|
|
|
fn main() {
|
|
#[cfg(feature = "serialization-protobuf")]
|
|
build_protobuf_schemata();
|
|
}
|