Be mindful of prebuilt crates (is this even possible for proc-macro c…

…rates?)

versionator-proc/build.rs

@@ -1,4 +1,5 @@
 fn main() {
-	println!("cargo:rustc-env=HOST_TRIPLE={}", std::env::var("HOST").unwrap());
+	// We assume that the target triple of this crate is the same as that of the target program.
+	// This is pretty much always the case, but not actually guaranteed.
 	println!("cargo:rustc-env=TARGET_TRIPLE={}", std::env::var("TARGET").unwrap());
 }

versionator-proc/src/lib.rs

@@ -14,9 +14,7 @@ fn compiler_version() -> proc_macro2::TokenStream {
 		Channel::Dev => quote!(versionator::CompilerChannel::Dev),
 	};
 
-	assert_eq!(version.host, env!("HOST_TRIPLE"));
 	let host_triple = &version.host;
-
 	let target_triple = env!("TARGET_TRIPLE");
 
 	quote!(versionator::CompilerVersion{