[package]
name = "rand"
version = "0.8.3"
authors = ["The Rand Project Developers", "The Rust Project Developers"]
license = "MIT OR Apache-2.0"
readme = "README.md"
repository = "https://github.com/rust-random/rand"
documentation = "https://docs.rs/rand"
homepage = "https://rust-random.github.io/book"
description = """
Random number generators and other randomness functionality.
"""
keywords = ["random", "rng"]
categories = ["algorithms", "no-std"]
autobenches = true
edition = "2018"
include = ["src/", "LICENSE-*", "README.md", "CHANGELOG.md", "COPYRIGHT"]

[features]
# Meta-features:
default = ["std", "std_rng"]
nightly = [] # enables performance optimizations requiring nightly rust
serde1 = ["serde"]

# Option (enabled by default): without "std" rand uses libcore; this option
# enables functionality expected to be available on a standard platform.
std = ["rand_core/std", "rand_chacha/std", "alloc", "getrandom", "libc"]

# Option: "alloc" enables support for Vec and Box when not using "std"
alloc = ["rand_core/alloc"]

# Option: use getrandom package for seeding
getrandom = ["rand_core/getrandom"]

# Option (requires nightly): experimental SIMD support
simd_support = ["packed_simd"]

# Option (enabled by default): enable StdRng
std_rng = ["rand_chacha", "rand_hc"]

# Option: enable SmallRng
small_rng = []

[workspace]
members = [
    "rand_core",
    "rand_distr",
    "rand_chacha",
    "rand_hc",
    "rand_pcg",
]

[dependencies]
rand_core = { path = "rand_core", version = "0.6.0" }
log = { version = "0.4.4", optional = true }
serde = { version = "1.0.103", features = ["derive"], optional = true }

[dependencies.packed_simd]
# NOTE: so far no version works reliably due to dependence on unstable features
package = "packed_simd_2"
version = "0.3.4"
optional = true
features = ["into_bits"]

[target.'cfg(unix)'.dependencies]
# Used for fork protection (reseeding.rs)
libc = { version = "0.2.22", optional = true, default-features = false }

# Emscripten does not support 128-bit integers, which are used by ChaCha code.
# We work around this by using a different RNG.
[target.'cfg(not(target_os = "emscripten"))'.dependencies]
rand_chacha = { path = "rand_chacha", version = "0.3.0", default-features = false, optional = true }
[target.'cfg(target_os = "emscripten")'.dependencies]
rand_hc = { path = "rand_hc", version = "0.3.0", optional = true }

[dev-dependencies]
rand_pcg = { path = "rand_pcg", version = "0.3.0" }
# Only for benches:
rand_hc = { path = "rand_hc", version = "0.3.0" }
# Only to test serde1
bincode = "1.2.1"

[package.metadata.docs.rs]
# To build locally:
# RUSTDOCFLAGS="--cfg doc_cfg" cargo +nightly doc --all-features --no-deps --open
all-features = true
rustdoc-args = ["--cfg", "doc_cfg"]

[package.metadata.playground]
features = ["small_rng", "serde1"]