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Support libsodium #383

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Support libsodium #383

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7d94147
Support libsodium
conanoc Oct 11, 2023
30d7521
add dep: prefix
conanoc Oct 11, 2023
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3 changes: 2 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -24,11 +24,12 @@ default = ["zmq_has"]
# this feature is a no-op and only present for backward-compatibility;
# it will be removed in the next API-breaking release.
zmq_has = []
libsodium = ["zmq-sys/libsodium"]

[dependencies]
bitflags = "1.0"
libc = "0.2.15"
zmq-sys = { version = "0.12.0", path = "zmq-sys" }
zmq-sys = { version = "0.12.1", path = "zmq-sys" }

[dev-dependencies]
trybuild = { version = "1" }
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4 changes: 3 additions & 1 deletion zmq-sys/Cargo.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
[package]
name = "zmq-sys"
version = "0.12.0"
version = "0.12.1"
authors = [
"a.rottmann@gmx.at",
"erick.tryzelaar@gmail.com",
Expand All @@ -14,9 +14,11 @@ build = "build/main.rs"
links = "zmq"

[features]
libsodium = ["dep:libsodium-sys-stable"]

[dependencies]
libc = "0.2.15"
libsodium-sys-stable = { version = "1.0", optional = true }
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I think that 1.0 is not a valid version number for libsodium-sys-stable: https://crates.io/crates/libsodium-sys-stable/versions

Maybe change to the latest, 1.20.4? After changing the version value, I was able to set CURVE keys without errors being returned.

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Because of semver, 1.0 really means >=1.0.0, which includes 1.18.1 and above.

That said it might make sense to validate that things actually build with that version, with i.e. cargo +nightly -Zminimal-versions generate-lockfile.

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Ok, I was not aware of that, thanks for educating me!

I wonder why changing the version number to something explicitly in their version list seemed to make a difference on my local setup though? I can no longer recall how things were failing (build issues vs. issues with my runtime testing). I was pretty sure that this change actually resolved whatever the issue was, but perhaps I changed multiple things... I simply don't remember anymore.


[build-dependencies]
system-deps = "6"
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15 changes: 14 additions & 1 deletion zmq-sys/build/main.rs
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@@ -1,3 +1,5 @@
use std::env;

pub fn configure() {
println!("cargo:rerun-if-changed=build/main.rs");
println!("cargo:rerun-if-env-changed=PROFILE");
Expand All @@ -6,8 +8,19 @@ pub fn configure() {
// relying on `tweetnacl`. However since this `tweetnacl` [has never been
// audited nor is ready for production](https://github.com/zeromq/libzmq/issues/3006),
// we link against `libsodium` to enable `ZMQ_CURVE`.
let maybe_libsodium = if cfg!(feature = "libsodium") {
let lib_dir = env::var("DEP_SODIUM_LIB")
.expect("build metadata `DEP_SODIUM_LIB` required");
let include_dir = env::var("DEP_SODIUM_INCLUDE")
.expect("build metadata `DEP_SODIUM_INCLUDE` required");

Some(zeromq_src::LibLocation::new(lib_dir, include_dir))
} else {
None
};

zeromq_src::Build::new()
.with_libsodium(None)
.with_libsodium(maybe_libsodium)
.build();
}

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