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build.rs
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build.rs
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extern crate vergen;
#[cfg(feature = "with-syntex")]
fn codegen() {
extern crate json_macros;
extern crate protobuf_macros;
extern crate serde_codegen;
use std::env;
use std::path::PathBuf;
let out = PathBuf::from(env::var("OUT_DIR").unwrap());
json_macros::expand("src/lib.in.rs", &out.join("lib.tmp0.rs")).unwrap();
serde_codegen::expand(&out.join("lib.tmp0.rs"), &out.join("lib.tmp1.rs")).unwrap();
protobuf_macros::expand(&out.join("lib.tmp1.rs"), &out.join("lib.rs")).unwrap();
}
#[cfg(not(feature = "with-syntex"))]
fn codegen() { }
fn main() {
vergen::vergen(vergen::OutputFns::all()).unwrap();
codegen();
}