Improve compile_error! message

josephlr · josephlr · commit 5587f8c308ba · 2019-06-15T21:43:28.000-07:00
diff --git a/src/rdrand.rs b/src/rdrand.rs
@@ -32,7 +32,7 @@ unsafe fn rdrand() -> Result<[u8; WORD_SIZE], Error> {
 }
 
 #[cfg(all(target_env = "sgx", not(target_feature = "rdrand")))]
-compile_error!("SGX targets must enable RDRAND to get randomness");
+compile_error!("Target feature +rdrnd must be enabled for SGX targets.");
 
 // TODO use is_x86_feature_detected!("rdrand") when that works in core. See:
 //   https://github.com/rust-lang-nursery/stdsimd/issues/464

Original file line number	Diff line number	Diff line change
`@@ -32,7 +32,7 @@ unsafe fn rdrand() -> Result<[u8; WORD_SIZE], Error> {`
`32`	`32`	`}`
`33`	`33`
`34`	`34`	`#[cfg(all(target_env = "sgx", not(target_feature = "rdrand")))]`
`35`		`-compile_error!("SGX targets must enable RDRAND to get randomness");`
	`35`	`+compile_error!("Target feature +rdrnd must be enabled for SGX targets.");`
`36`	`36`
`37`	`37`	`// TODO use is_x86_feature_detected!("rdrand") when that works in core. See:`
`38`	`38`	`// https://github.com/rust-lang-nursery/stdsimd/issues/464`