Disable botan dependency and tests on macOS

Building Botan on macOS apparently is not supported upstream: "Currently, systems other than Windows and POSIX (such as VMS, MacOS 9, OS/390, OS/400, …) are not supported by the build system, primarily due to lack of access." https://botan.randombit.net/handbook/building.html
rustls · Nov 19, 2020 · ef63ca7 · ef63ca7
1 parent 95ec0f1
commit ef63ca7
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diff --git a/Cargo.toml b/Cargo.toml
@@ -33,4 +33,6 @@ features = ["x509-parser"]
 [dev-dependencies]
 openssl = "0.10"
 webpki = "0.21"
+
+[target.'cfg(not(target_os = "macos"))'.dependencies]
 botan = { version = "0.7", features = ["vendored"] }
diff --git a/tests/botan.rs b/tests/botan.rs
@@ -1,3 +1,5 @@
+#![cfg(not(target_os = "macos"))]
+
 extern crate botan;
 extern crate rcgen;