Less aggressive build script rerunning, doc clarification

Author: ZackPierce

README.md

@@ -114,7 +114,7 @@ static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
   implementation with a global maximum size fixed at compile time.
   Suitable for deploying to non-WASM/Unix/Windows `#![no_std]` environments,
   such as on embedded devices with esoteric or effectively absent operating
-  systems. The size defaults to 32 MB (33554432 bytes), and may be controlled
+  systems. The size defaults to 32 MiB (33554432 bytes), and may be controlled
   at build-time by supplying an optional environment variable to cargo,
   `WEE_ALLOC_STATIC_ARRAY_BACKEND_BYTES`
 

wee_alloc/Cargo.toml

@@ -49,6 +49,3 @@ version = "0.2"
 [target.'cfg(target_os = "windows")'.dependencies.winapi]
 version = "0.3"
 features = ["memoryapi", "synchapi", "winbase"]
-
-[build-dependencies]
-globwalk = "0.3"

wee_alloc/build.rs

@@ -1,5 +1,3 @@
-extern crate globwalk;
-
 use std::env::{self, VarError};
 use std::fs::File;
 use std::io::Write;
@@ -23,7 +21,6 @@ fn create_static_array_backend_size_bytes_file() {
             VarError::NotUnicode(_) => { panic!("Could not interpret WEE_ALLOC_STATIC_ARRAY_BACKEND_BYTES as a string representing a 32 bit unsigned integer")},
         },
     };
-    println!("Setting the static_array_backend size to {} bytes", size);
     let mut f = File::create(&dest_path)
         .expect("Could not create file to store wee_alloc static_array_backend size metadata.");
     write!(f, "{}", size)
@@ -36,15 +33,13 @@ fn export_rerun_rules() {
         "cargo:rerun-if-env-changed={}",
         WEE_ALLOC_STATIC_ARRAY_BACKEND_BYTES
     );
-    for entry_result in
-        globwalk::glob("*.{toml,rs}").expect("Could not create a valid rust-file-finding glob")
+    for path in [
+        "./Cargo.toml",
+        "./build.rs",
+        "./src/lib.rs",
+        "./src/imp_static_array.rs",
+    ].iter()
     {
-        match entry_result {
-            Ok(file) => println!("cargo:rerun-if-changed={}", file.path().display()),
-            Err(e) => println!(
-                "Failed to read file information for rerun preparation: {:?}",
-                e
-            ),
-        }
+        println!("cargo:rerun-if-changed={}", path);
     }
 }

wee_alloc/src/lib.rs

@@ -114,7 +114,7 @@ static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
   implementation with a global maximum size fixed at compile time.
   Suitable for deploying to non-WASM/Unix/Windows `#![no_std]` environments,
   such as on embedded devices with esoteric or effectively absent operating
-  systems. The size defaults to 32 MB (33554432 bytes), and may be controlled
+  systems. The size defaults to 32 MiB (33554432 bytes), and may be controlled
   at build-time by supplying an optional environment variable to cargo,
   `WEE_ALLOC_STATIC_ARRAY_BACKEND_BYTES`