Suppress compiler warning (#105)

* Suppress compiler warning
* Fix more warnings :)
* Fix transitive module warnings

src/main/cpp/_nix_based/jssc.cpp

@@ -537,7 +537,7 @@ JNIEXPORT jboolean JNICALL Java_jssc_SerialNativeInterface_writeBytes
 /**
  * Waits until 'read()' has something to tell for the specified filedescriptor.
  */
-static void awaitReadReady(JNIEnv*env, jlong fd){
+static void awaitReadReady(JNIEnv*, jlong fd){
 #if HAVE_POLL == 0
     // Alternative impl using 'select' as 'poll' isn't available (or broken).
 

src/main/java/jssc/DefaultJniExtractorStub.java

@@ -21,7 +21,7 @@ public class DefaultJniExtractorStub extends DefaultJniExtractor {
     /**
      * Default constructor
      */
-    public DefaultJniExtractorStub(Class libraryJarClass) throws IOException {
+    public DefaultJniExtractorStub(Class<?> libraryJarClass) throws IOException {
         super(libraryJarClass);
     }
 
@@ -33,7 +33,7 @@ public DefaultJniExtractorStub(Class libraryJarClass) throws IOException {
      *  NativeLoader.loadLibrary("mylibrary");
      *  </code>
      */
-    public DefaultJniExtractorStub(Class libraryJarClass, String bootPath) throws IOException {
+    public DefaultJniExtractorStub(Class<?> libraryJarClass, String bootPath) throws IOException {
         this(libraryJarClass);
 
         if(bootPath != null) {

src/main/java/jssc/SerialNativeInterface.java

@@ -98,6 +98,12 @@ else if(osName.equals("Mac OS X") || osName.equals("Darwin"))
         }
     }
 
+    /**
+     * Default constructor
+     * TODO: This class is effectively static, why instantiate it?
+     */
+    public SerialNativeInterface() {}
+
     /**
      * Get OS type (OS_LINUX || OS_WINDOWS || OS_SOLARIS)
      * 

src/main/java/jssc/SerialPortList.java

@@ -39,6 +39,12 @@ public class SerialPortList {
     private static final Pattern PORTNAMES_REGEXP;
     private static final String PORTNAMES_PATH;
 
+    /**
+     * Default constructor
+     * private: no constructor available
+     */
+    private SerialPortList() {}
+
     static {
         serialInterface = new SerialNativeInterface();
         switch (SerialNativeInterface.getOsType()) {

src/main/module-info/module-info.java

@@ -1,4 +1,5 @@
+@SuppressWarnings({ "requires-automatic", "requires-transitive-automatic" })
 open module jssc {
-    requires org.scijava.nativelib;
+    requires transitive org.scijava.nativelib;
     exports jssc;
 }