Merge pull request #676 from dhardy/master

Fix Cargo features / dependencies

Author: dhardy

CHANGELOG.md

@@ -9,6 +9,11 @@ A [separate changelog is kept for rand_core](rand_core/CHANGELOG.md).
 You may also find the [Upgrade Guide](https://rust-random.github.io/book/update.html) useful.
 
 
+## [0.6.3] - 2019-01-04
+### Fixes
+- Make the `std` feature require the optional `rand_os` dependency (#675)
+- Re-export the optional WASM dependencies of `rand_os` from `rand` to avoid breakage (#674)
+
 ## [0.6.2] - 2019-01-04
 ### Additions
 - Add `Default` for `ThreadRng` (#657)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rand"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["The Rand Project Developers", "The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -22,11 +22,14 @@ appveyor = { repository = "rust-random/rand" }
 [features]
 default = ["std", "rand_os"] # without "std" rand uses libcore
 nightly = ["simd_support"] # enables all features requiring nightly rust
-std = ["rand_core/std", "alloc"]
+std = ["rand_core/std", "alloc", "rand_os"]
 alloc = ["rand_core/alloc"]  # enables Vec and Box support (without std)
 i128_support = [] # enables i128 and u128 support
 simd_support = ["packed_simd"] # enables SIMD support
 serde1 = ["rand_core/serde1", "rand_isaac/serde1", "rand_xorshift/serde1"] # enables serialization for PRNGs
+# re-export optional WASM dependencies to avoid breakage:
+wasm-bindgen = ["rand_os/wasm-bindgen"]
+stdweb = ["rand_os/stdweb"]
 
 [workspace]
 members = [