Remove macro use extern crates

Since the Rust 2018 edition allows importing macros directly, all uses
of `#[macro_use] extern crate` have been removed from the linux build.

The `log` and `serde` crate have been excluded from that right now,
since they are so frequently used in the codebase.

src/cli.rs

@@ -12,7 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 use ::log;
-use clap::{Arg, App};
+use clap::{Arg, App, crate_name, crate_version, crate_authors, crate_description};
+
 use crate::index::{Line, Column};
 use crate::config::{Dimensions, Shell};
 use crate::window::{DEFAULT_TITLE, DEFAULT_CLASS};

src/grid/storage.rs

@@ -14,6 +14,8 @@
 use std::ops::{Index, IndexMut};
 use std::slice;
 
+use static_assertions::assert_eq_size;
+
 use crate::index::Line;
 use super::Row;
 

src/lib.rs

@@ -17,11 +17,8 @@
 #![cfg_attr(feature = "nightly", feature(core_intrinsics))]
 #![cfg_attr(all(test, feature = "bench"), feature(test))]
 
-#[macro_use] extern crate bitflags;
-#[macro_use] extern crate clap;
 #[macro_use] extern crate log;
 #[macro_use] extern crate serde_derive;
-#[macro_use] extern crate static_assertions;
 
 #[cfg(windows)]
 extern crate mio_named_pipes;
@@ -40,7 +37,6 @@ extern crate objc;
 
 #[macro_use]
 pub mod macros;
-
 pub mod ansi;
 pub mod cli;
 pub mod config;

src/main.rs

@@ -23,13 +23,13 @@
 // See https://msdn.microsoft.com/en-us/library/4cc7ya5b.aspx for more details.
 #![windows_subsystem = "windows"]
 
-#[macro_use]
-extern crate alacritty;
-
-#[macro_use]
-extern crate log;
 #[cfg(target_os = "macos")]
-extern crate dirs;
+use dirs;
+
+#[cfg(windows)]
+use winapi::um::wincon::{AttachConsole, FreeConsole, ATTACH_PARENT_PROCESS};
+
+use log::{info, error};
 
 use std::error::Error;
 use std::sync::Arc;
@@ -40,18 +40,12 @@ use std::env;
 #[cfg(not(windows))]
 use std::os::unix::io::AsRawFd;
 
-#[cfg(windows)]
-extern crate winapi;
-#[cfg(windows)]
-use winapi::um::wincon::{AttachConsole, FreeConsole, ATTACH_PARENT_PROCESS};
-
-use alacritty::cli;
-use alacritty::config::{self, Config, Error as ConfigError};
-use alacritty::display::Display;
-use alacritty::event;
-use alacritty::event_loop::{self, EventLoop, Msg};
 #[cfg(target_os = "macos")]
 use alacritty::locale;
+use alacritty::{cli, event, die};
+use alacritty::config::{self, Config, Error as ConfigError};
+use alacritty::display::Display;
+use alacritty::event_loop::{self, EventLoop, Msg};
 use alacritty::logging::{self, LoggerProxy};
 use alacritty::sync::FairMutex;
 use alacritty::term::Term;

src/term/cell.rs

@@ -11,6 +11,8 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+use bitflags::bitflags;
+
 use crate::ansi::{NamedColor, Color};
 use crate::grid;
 use crate::index::Column;

src/term/mod.rs

@@ -499,6 +499,8 @@ impl<'a> Iterator for RenderableCellsIter<'a> {
 }
 
 pub mod mode {
+    use bitflags::bitflags;
+
     bitflags! {
         pub struct TermMode: u16 {
             const SHOW_CURSOR         = 0b00_0000_0000_0001;