add a way to use ninja instead of vs (the -A x64 was rly breaking things)

Author: dankmeme01

src/cli.rs

@@ -87,6 +87,10 @@ pub enum GeodeCommands {
 		#[clap(long, short, default_value_t = false)]
 		build_only: bool,
 
+		/// Whether to explicitly use Ninja instead of the VS generator (Windows only)
+		#[clap(long, default_value_t = false)]
+		ninja: bool,
+
 		/// Android NDK path, uses ANDROID_NDK_ROOT env var otherwise
 		#[clap(long)]
 		ndk: Option<String>,

src/main.rs

@@ -54,13 +54,15 @@ fn main() {
 			platform,
 			configure_only,
 			build_only,
+			ninja,
 			ndk,
 			config,
 			extra_conf_args,
 		} => project_build::build_project(
 			platform,
 			configure_only,
 			build_only,
+			ninja,
 			ndk,
 			config,
 			extra_conf_args,

src/project_build.rs

@@ -6,6 +6,7 @@ pub fn build_project(
 	platform: Option<PlatformName>,
 	configure_only: bool,
 	build_only: bool,
+	ninja: bool,
 	ndk_path: Option<String>,
 	config_type: Option<String>,
 	extra_conf_args: Vec<String>,
@@ -72,6 +73,8 @@ pub fn build_project(
 				}
 
 				conf_args.push("-DHOST_ARCH=x64".to_owned());
+			} else if ninja {
+				conf_args.extend(["-G", "Ninja"].map(String::from));
 			} else {
 				conf_args.extend(["-A", "x64"].map(String::from));
 			}