transaction: clarify the logic around pre-finalize/post-finalize
I am taking a bit more verbose route, but I find it easier to follow for people
who (re)discover the code.
(This is a gratuitous cleanup I did while looking at something else.)
Differential Revision: https://phab.mercurial-scm.org/D8176
// build.rs
//
// Copyright 2020 Raphaël Gomès <rgomes@octobus.net>
//
// This software may be used and distributed according to the terms of the
// GNU General Public License version 2 or any later version.
#[cfg(feature = "with-re2")]
use cc;
#[cfg(feature = "with-re2")]
fn compile_re2() {
cc::Build::new()
.cpp(true)
.flag("-std=c++11")
.file("src/re2/rust_re2.cpp")
.compile("librustre.a");
println!("cargo:rustc-link-lib=re2");
}
fn main() {
#[cfg(feature = "with-re2")]
compile_re2();
}