platform: replace cfg-if with cfg_select

Author: Serial-ATA

Cargo.toml

@@ -108,7 +108,6 @@ libffi = "5.0.0"
 
 byteorder = "1.5.0"
 byte-slice-cast = "1.2.2"
-cfg-if = "1.0.0"
 const_format = "0.2.33"
 fxhash = "0.2.1"
 tracing = "0.1.41"

native/nio/Cargo.toml

@@ -14,8 +14,6 @@ crate-type = ["rlib", "dylib"]
 jni.workspace = true
 native-macros.workspace = true
 
-cfg-if.workspace = true
-
 [target.'cfg(unix)'.dependencies]
 libc.workspace = true
 

native/nio/src/channel/mod.rs

@@ -7,14 +7,16 @@ use jni::objects::JClass;
 use jni::sys::jint;
 use native_macros::jni_call;
 
-cfg_if::cfg_if! {
-	if #[cfg(unix)] {
+cfg_select! {
+	unix => {
 		mod unix;
 		pub use unix::*;
-	} else if #[cfg(windows)] {
+	}
+	windows => {
 		mod windows;
 		pub use windows::*;
-	} else {
+	}
+	_ => {
 		compile_error!("Unsupported platform for libnio");
 	}
 }

native/nio/src/channel/unix/mod.rs

@@ -5,11 +5,12 @@ use jni::objects::JClass;
 use jni::sys::jint;
 use native_macros::jni_call;
 
-cfg_if::cfg_if! {
-	if #[cfg(target_os = "linux")] {
+cfg_select! {
+	target_os = "linux" => {
 		mod linux;
 		pub use linux::*;
-	} else if #[cfg(target_os = "macos")] {
+	}
+	target_os = "macos" => {
 		mod macos;
 		pub use macos::*;
 	}

native/nio/src/fs/mod.rs

@@ -1,11 +1,13 @@
-cfg_if::cfg_if! {
-	if #[cfg(unix)] {
+cfg_select! {
+	unix => {
 		mod unix;
 		pub use unix::*;
-	} else if #[cfg(windows)] {
+	}
+	windows => {
 		mod windows;
 		pub use windows::*;
-	} else {
+	}
+	_ => {
 		compile_error!("Unsupported platform for libnio");
 	}
 }

native/nio/src/fs/unix/mod.rs

@@ -1,10 +1,11 @@
 #![allow(non_snake_case)]
 
-cfg_if::cfg_if! {
-	if #[cfg(target_os = "linux")] {
+cfg_select! {
+	target_os = "linux" => {
 		mod linux;
 		pub use linux::*;
-	} else if #[cfg(target_os = "macos")] {
+	}
+	target_os = "macos" => {
 		mod macos;
 		pub use macos::*;
 	}

native/nio/src/lib.rs

@@ -1,5 +1,6 @@
 #![feature(custom_inner_attributes)]
 #![feature(proc_macro_hygiene)]
+#![feature(cfg_select)]
 
 pub mod channel;
 pub mod fs;

platform/Cargo.toml

@@ -9,7 +9,6 @@ repository.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-cfg-if.workspace = true
 libc.workspace = true
 
 [target.'cfg(target_family = "windows")'.dependencies]

platform/src/arch/mod.rs

@@ -1,11 +1,13 @@
-cfg_if::cfg_if! {
-	if #[cfg(target_arch = "x86")] {
+cfg_select! {
+	target_arch = "x86" => {
 		mod x86;
 		pub use x86::*;
-	} else if #[cfg(target_arch = "x86_64")] {
+	}
+	target_arch = "x86_64" => {
 		mod x86;
 		pub use x86::*;
-	} else {
+	}
+	_ => {
 		compile_error!("target architecture is not supported!");
 	}
 }

platform/src/family/mod.rs

@@ -7,18 +7,20 @@ pub mod properties;
 
 // `target_family` specific exports
 
-cfg_if::cfg_if! {
-	if #[cfg(unix)] {
+cfg_select! {
+	unix => {
 		mod unix;
 		use unix as imp;
 		pub use unix::*;
 		pub use unix::signals::*;
-	} else if #[cfg(windows)] {
+	}
+	windows => {
 		mod windows;
 		use windows as imp;
 		pub use windows::*;
 		pub use windows::signals::*;
-	} else {
+	}
+	_ => {
 		compile_error!("target family is not supported!");
 	}
 }