Added features to control building with or without GUI, or use Edge engine on Windows.

Cargo.toml

@@ -18,7 +18,6 @@ rust-crypto = "^0.2"
 blakeout = "0.1.0"
 num_cpus = "1.13.0"
 byteorder = "1.3.2"
-web-view = { version = "0.7.3", features = [] }
 tinyfiledialogs = "3.3.10"
 serde = { version = "1.0.123", features = ["derive"] }
 serde_json = "1.0.42"
@@ -34,6 +33,9 @@ mio = { version = "0.7", features = ["os-poll", "net"] }
 # for DNS from hermes
 derive_more = "0.99.9"
 
+# Optional dependencies regulated by features
+web-view = { version = "0.7.3", features = [], optional = true }
+
 [target.'cfg(windows)'.dependencies]
 thread-priority = "0.2.1"
 winapi = { version = "0.3.7", features = ["impl-default", "wincon", "shellscalingapi"]}
@@ -58,4 +60,9 @@ opt-level = 2
 
 [package.metadata.winres]
 ProductName="ALFIS"
-FileDescription="Alternative Free Identity System"
+FileDescription="Alternative Free Identity System"
+
+[features]
+webgui = ["web-view"]
+edge = ["web-view/edge"]
+default = ["webgui"]

src/main.rs

@@ -18,6 +18,7 @@ use winapi::um::wincon::{ATTACH_PARENT_PROCESS, AttachConsole, FreeConsole};
 use alfis::{Block, Bytes, Chain, Miner, Context, Network, Settings, dns_utils, Keystore};
 use alfis::blockchain::BLOCK_DIFFICULTY;
 
+#[cfg(webui)]
 mod web_ui;
 
 const SETTINGS_FILENAME: &str = "alfis.toml";
@@ -37,6 +38,7 @@ fn main() {
 
     let mut opts = Options::new();
     opts.optflag("h", "help", "Print this help menu");
+    #[cfg(webui)]
     opts.optflag("n", "nogui", "Run without graphic user interface");
     opts.optflag("v", "verbose", "Show more debug messages");
     opts.optflag("d", "debug", "Show trace messages, more than debug");
@@ -54,7 +56,10 @@ fn main() {
         return;
     }
 
+    #[cfg(webui)]
     let no_gui = opt_matches.opt_present("n");
+    #[cfg(not(webui))]
+    let no_gui = true;
 
     let mut level = LevelFilter::Info;
     if opt_matches.opt_present("v") {
@@ -111,6 +116,7 @@ fn main() {
             thread::sleep(sleep);
         }
     } else {
+        #[cfg(webui)]
         web_ui::run_interface(context.clone(), miner.clone());
     }