Make backtraces optional (opt-in)

To remove dependency on `cc` crate by default, which has additional compile-time requirements.
rust-osdev · May 24, 2019 · bd73f5a · bd73f5a
1 parent b49e367
commit bd73f5a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+- Make backtraces optional through a new opt-in `backtrace` feature. This removes the dependency on `cc` by default, which has special compile-time requirements.
+
 ## [v0.5.8] - 2019-04-11
 
 - Add `cargo xcheck`/`cargo xtest` commands for invoking `cargo check`/`cargo test`.

diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -14,7 +14,6 @@ version = "0.5.8"
 name = "xargo_lib"
 
 [dependencies]
-error-chain = "0.7.2"
 fs2 = "0.4.1"
 libc = "0.2.18"
 rustc_version = "0.1.7"
@@ -24,7 +23,14 @@ serde_json = "1.0"
 tempdir = "0.3.5"
 toml = "0.2.1"
 walkdir = "1.0.3"
-cargo_metadata = "0.5.5"
+
+[dependencies.error-chain]
+version = "0.7.2"
+default-features = false
+
+[dependencies.cargo_metadata]
+version = "0.5.5"
+default-features = false
 
 [dev-dependencies]
 lazy_static = "0.2.8"
@@ -34,3 +40,4 @@ version = "0.3.6"
 
 [features]
 dev = []
+backtrace = ["error-chain/backtrace", "cargo_metadata/backtrace"]