Split bindgen binary into new sub-crate

- Removed most direct dependencies, with clang-sys still to go
- Moved binary-focused tests into sub-crate, but don't expect them to
work yet

Cargo.toml

@@ -14,10 +14,6 @@ readme = "README.md"
 repository = "https://github.com/servo/rust-bindgen"
 version = "0.17.0"
 
-[[bin]]
-doc = false
-name = "bindgen"
-
 [build-dependencies]
 quasi_codegen = "0.20"
 
@@ -57,10 +53,3 @@ llvm_stable = []
 static = []
 # This feature only exists for CI -- don't use it!
 _docs = []
-
-[lib]
-name = "bindgen"
-path = "src/lib.rs"
-
-[[test]]
-name = "tests"

bindgen_bin/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+authors = [
+  "Jyun-Yan You <jyyou.tw@gmail.com>",
+  "Emilio Cobos Álvarez <ecoal95@gmail.com>",
+  "The Servo project developers",
+]
+description = "A binding generator for Rust"
+homepage = "https://github.com/servo/rust-bindgen"
+keywords = ["bindings", "ffi", "code-generation"]
+license = "BSD-3-Clause"
+name = "bindgen_bin"
+readme = "README.md"
+repository = "https://github.com/servo/rust-bindgen"
+version = "0.17.0"
+
+[[bin]]
+name = "bindgen"
+
+[dependencies]
+bindgen = { path = "../" }
+clang-sys = "0.8.0"
+
+[features]
+llvm_stable = ["bindgen/llvm_stable"]

src/bin/bindgen.rs → bindgen_bin/src/main.rs

@@ -1,12 +1,5 @@
-#![crate_name = "bindgen"]
-#![crate_type = "bin"]
-
 extern crate bindgen;
-extern crate env_logger;
-#[macro_use]
-extern crate log;
 extern crate clang_sys;
-extern crate rustc_serialize;
 
 use bindgen::{BindgenOptions, Bindings, ClangVersion, LinkType, clang_version};
 use std::default::Default;
@@ -222,14 +215,6 @@ fn parse_args_or_exit(args: Vec<String>) -> (BindgenOptions, Box<io::Write>) {
 }
 
 pub fn main() {
-    log::set_logger(|max_log_level| {
-            use env_logger::Logger;
-            let env_logger = Logger::new();
-            max_log_level.set(env_logger.filter());
-            Box::new(env_logger)
-        })
-        .expect("Failed to set logger.");
-
     let mut bind_args: Vec<_> = env::args().collect();
 
     let version = clang_version();
@@ -239,12 +224,12 @@ pub fn main() {
         (3, 9)
     };
 
-    info!("Clang Version: {}", version.full);
+    println!("Clang Version: {}", version.full);
 
     match version.parsed {
-        None => warn!("Couldn't parse libclang version"),
+        None => println!("Couldn't parse libclang version"),
         Some(version) if version != expected_version => {
-            error!("Using clang {:?}, expected {:?}",
+            println!("Using clang {:?}, expected {:?}",
                    version,
                    expected_version);
         }