Fix README command for running cargo bench.

.travis.yml

@@ -55,7 +55,7 @@ jobs:
       - name: "Tests"
         script: cargo test --verbose --release --features=decode_test -- --ignored
       - name: "Bench"
-        script: RUSTFLAGS="--cfg rav1e_bench" cargo bench --verbose
+        script: cargo bench --features=bench --verbose
       - name: "Doc & Clippy (linter): verifying code quality"
         script:
          - cargo doc --verbose --no-deps

Cargo.toml

@@ -21,6 +21,7 @@ signal_support = ["signal-hook"]
 dump_ivf = ["ivf"]
 quick_test = []
 desync_finder = []
+bench = []
 
 [dependencies]
 arg_enum_proc_macro = "0.1.1"

README.md

@@ -66,6 +66,12 @@ make -j8
 ./aomdec ../output.ivf -o output.y4m
 ```
 
+# Configuring
+
+rav1e has several optional features that can be enabled by passing --features to cargo test. Passing --all-features is discouraged.
+
+* nasm - enabled by default. When enabled, assembly is built for x86_64.
+
 # Using the AOMAnalyzer
 
 ## Local Analyzer
@@ -155,7 +161,7 @@ cargo test --release --features=decode_test_dav1d
 
 Run regular benchmarks with:
 ```
-cargo bench
+cargo bench --features=bench
 ```
 
 # Getting in Touch

src/lib.rs

@@ -186,7 +186,7 @@ mod test_encode_decode_aom;
 #[cfg(all(test, feature="decode_test_dav1d"))]
 mod test_encode_decode_dav1d;
 
-#[cfg(rav1e_bench)]
+#[cfg(feature="bench")]
 pub mod bench {
   pub mod api { pub use crate::api::*; }
   pub mod cdef { pub use crate::cdef::*; }