message: Don't force recompilation when PATH env var changes
diff: @@ -4,7 +4,7 @@ use std::fs::File;
  use std::io::{BufRead, BufReader};
  use std::path::{Path, PathBuf};
  use std::process::{Child, Command, Stdio};
  -use std::{env, io};
  +use std::{env, io, iter};
  use once_cell::sync::{Lazy, OnceCell};
  use semver::{Version, VersionReq};
  @@ -36,7 +36,7 @@ static OPENCV_BRANCH_34: Lazy<VersionReq> =
  static OPENCV_BRANCH_4: Lazy<VersionReq> =
  Lazy::new(|| VersionReq::parse("~4").expect("Can't parse OpenCV 4 version requirement"));
  -static ENV_VARS: [&str; 15] = [
  +static ENV_VARS: [&str; 14] = [
  "OPENCV_PACKAGE_NAME",
  "OPENCV_PKGCONFIG_NAME",
  "OPENCV_CMAKE_NAME",
  @@ -51,7 +51,6 @@ static ENV_VARS: [&str; 15] = [
  "PKG_CONFIG_PATH",
  "VCPKG_ROOT",
  "VCPKGRS_DYNAMIC",
  - "PATH",
  ];
  fn files_with_extension<'e>(dir: &Path, extension: impl AsRef<OsStr> + 'e) -> Result<impl Iterator<Item = PathBuf> + 'e> {
  @@ -314,7 +313,7 @@ fn main() -> Result<()> {
  eprintln!("=== Crate version: {:?}", env::var_os("CARGO_PKG_VERSION"));
  eprintln!("=== Environment configuration:");
  - for &v in ENV_VARS.iter() {
  + for v in ENV_VARS.iter().copied().chain(iter::once("PATH")) {
  eprintln!("=== {} = {:?}", v, env::var_os(v));
  }
  eprintln!("=== Enabled features:");
  