Fixes for Linux (#124)

* Throw an exception instead

* Change all compiler targets to follow OS, not Windows

commandline/commands/Compiler.hx

@@ -5,13 +5,13 @@ class Compiler {
         __build(args, ["test", getBuildTarget(), "-D", "TEST_BUILD"]);
     }
     public static function build(args:Array<String>) {
-        __build(args, ["build", "windows", "-D", "TEST_BUILD"]);
+        __build(args, ["build", getBuildTarget(), "-D", "TEST_BUILD"]);
     }
     public static function release(args:Array<String>) {
-        __build(args, ["build", "windows"]);
+        __build(args, ["build", getBuildTarget()]);
     }
     public static function testRelease(args:Array<String>) {
-        __build(args, ["test", "windows"]);
+        __build(args, ["test", getBuildTarget()]);
     }
 
     private static function __build(args:Array<String>, arg:Array<String>) {

source/funkin/backend/system/framerate/SystemInfo.hx

@@ -31,7 +31,7 @@ class SystemInfo extends FramerateCategory {
 			if (process.exitCode() == 0) cpuName = process.stdout.readAll().toString().trim().split(":")[1].trim();
 			#elseif linux
 			var process = new HiddenProcess("cat", ["/proc/cpuinfo"]);
-			if (process.exitCode() != 0) return;
+			if (process.exitCode() != 0) throw 'Could not fetch CPU information';
 
 			for (line in  process.stdout.readAll().toString().split("\n")) {
 				if (line.indexOf("model name") == 0) {

source/funkin/backend/utils/MemoryUtil.hx

@@ -128,7 +128,7 @@ class MemoryUtil {
 		reg.match(process.stdout.readAll().toString());
 		if (process.exitCode() == 0) return reg.matched(1);
 		#elseif linux
-		var process = HiddenProcess("sudo", ["dmidecode", "--type", "17"]);
+		var process = new HiddenProcess("sudo", ["dmidecode", "--type", "17"]);
 		if (process.exitCode() != 0) return "Unknown";
 		var lines = process.stdout.readAll().toString().split("\n");
 		for (line in lines) {