aboutsummaryrefslogtreecommitdiff
path: root/build.rs
diff options
context:
space:
mode:
Diffstat (limited to 'build.rs')
-rw-r--r--build.rs50
1 files changed, 0 insertions, 50 deletions
diff --git a/build.rs b/build.rs
deleted file mode 100644
index b7f69d9..0000000
--- a/build.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-use std::env;
-use std::process::Command;
-use std::str::{self, FromStr};
-
-// The rustc-cfg strings below are *not* public API. Please let us know by
-// opening a GitHub issue if your build environment requires some way to enable
-// these cfgs other than by executing our build script.
-fn main() {
- println!("cargo:rerun-if-changed=build.rs");
-
- let minor = match rustc_minor_version() {
- Some(minor) => minor,
- None => return,
- };
-
- // #[track_caller] stabilized in Rust 1.46:
- // https://blog.rust-lang.org/2020/08/27/Rust-1.46.0.html#track_caller
- if minor < 46 {
- println!("cargo:rustc-cfg=no_track_caller");
- }
-}
-
-fn rustc_minor_version() -> Option<u32> {
- let rustc = match env::var_os("RUSTC") {
- Some(rustc) => rustc,
- None => return None,
- };
-
- let output = match Command::new(rustc).arg("--version").output() {
- Ok(output) => output,
- Err(_) => return None,
- };
-
- let version = match str::from_utf8(&output.stdout) {
- Ok(version) => version,
- Err(_) => return None,
- };
-
- let mut pieces = version.split('.');
- if pieces.next() != Some("rustc 1") {
- return None;
- }
-
- let next = match pieces.next() {
- Some(next) => next,
- None => return None,
- };
-
- u32::from_str(next).ok()
-}