From 25d9ac0333eab92136657ea72d5bbb211dae58ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 3 May 2023 13:39:19 +0300
Subject: [PATCH 1/2] Document MSRV in Cargo.toml

While support for this was added in a much later cargo release, unknown
keys are simply ignored in older versions.
---
 Cargo.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Cargo.toml b/Cargo.toml
index 335a0bd..3ccfae7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ A library to run the pkg-config system tool at build time in order to be used in
 Cargo build scripts.
 """
 keywords = ["build-dependencies"]
+rust-version = "1.30"
 
 [dev-dependencies]
 lazy_static = "1"

From 902d5ca77077234b025a59ec5e8df061f722bd59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 3 May 2023 13:47:42 +0300
Subject: [PATCH 2/2] Fix a couple of clippy warnings

---
 src/lib.rs    | 8 ++++----
 tests/test.rs | 5 +----
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 89bb37a..3653032 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -446,7 +446,7 @@ impl Config {
         match (env::var("TARGET"), env::var("HOST")) {
             (Ok(target), Ok(host)) => {
                 let kind = if host == target { "HOST" } else { "TARGET" };
-                let target_u = target.replace("-", "_");
+                let target_u = target.replace('-', "_");
 
                 self.env_var_os(&format!("{}_{}", var_base, target))
                     .or_else(|| self.env_var_os(&format!("{}_{}", var_base, target_u)))
@@ -802,8 +802,8 @@ impl Library {
             }
         }
 
-        let mut linker_options = words.iter().filter(|arg| arg.starts_with("-Wl,"));
-        while let Some(option) = linker_options.next() {
+        let linker_options = words.iter().filter(|arg| arg.starts_with("-Wl,"));
+        for option in linker_options {
             let mut pop = false;
             let mut ld_option = vec![];
             for subopt in option[4..].split(',') {
@@ -829,7 +829,7 @@ impl Library {
     }
 
     fn parse_modversion(&mut self, output: &str) {
-        self.version.push_str(output.lines().nth(0).unwrap().trim());
+        self.version.push_str(output.lines().next().unwrap().trim());
     }
 }
 
diff --git a/tests/test.rs b/tests/test.rs
index 4e04ac0..0f37c72 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -24,10 +24,7 @@ fn reset() {
     }
     env::remove_var("TARGET");
     env::remove_var("HOST");
-    env::set_var(
-        "PKG_CONFIG_PATH",
-        &env::current_dir().unwrap().join("tests"),
-    );
+    env::set_var("PKG_CONFIG_PATH", env::current_dir().unwrap().join("tests"));
 }
 
 fn find(name: &str) -> Result<pkg_config::Library, Error> {