--- rxtx-20100211/Makefile.am	2008-09-14 21:36:27.000000000 +0000

+++ rxtx-20100211/Makefile.am	2022-06-13 14:29:53.614053681 +0000

@@ -111,11 +111,11 @@

 $(CLASSES): $(javafiles) $(TOP)/Makefile

 	$(JAVAH_FIX)

 	$(JAVAC) $(javafiles)

-	$(JAVAH) `(for i in $(javahfiles);do \

-		if grep > /dev/null native.*\( $(SPATH)/gnu/io/$$i.java; then \

-			echo $(CLASSDIR).$$i; \

-		fi; \

-	done)`

+	$(JAVAH) `(for i in $(javahfiles);do \

+		if grep > /dev/null native.*\( $(SPATH)/gnu/io/$$i.java; then \

+			echo $(SPATH)/gnu/io/$$i.java; \

+		fi; \

+	done)`

 	$(JAR) cf $(JARTARGET) $(CLASSTOP)/*

 #  install librxtxSerial.so into the proper directory and copy $(JARTARGET) to its

--- rxtx-20100211/configure.in	2022-06-13 14:26:39.201455298 +0000

+++ rxtx-20100211/configure.in	2022-06-13 14:26:39.207455285 +0000

@@ -484,7 +484,7 @@

 		;;

 	*)

 		find_java_native_include jni_md.h

-		JAVAH="\$(JPATH)/bin/javah -classpath \$(CLASSPATH) -d \$(DEST) -jni"

+		JAVAH="\$(JPATH)/bin/javac -h . -classpath \$(CLASSPATH) -d \$(DEST)"

 		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -d \$(TOP)/ -O -source 1.3 -target 1.3"

 		JAR="\$(JPATH)/bin/jar"

 		JAVADOC="\$(JPATH)/bin/javadoc"

--- rxtx-20100211/configure.orig	2022-06-13 14:26:39.205455289 +0000

+++ rxtx-20100211/configure	2022-06-13 14:26:39.212455275 +0000

@@ -22116,7 +22116,7 @@

 		;;

 	*)

 		find_java_native_include jni_md.h

-		JAVAH="\$(JPATH)/bin/javah -classpath \$(CLASSPATH) -d \$(DEST) -jni"

+		JAVAH="\$(JPATH)/bin/javac -classpath $(CLASSPATH) -h $(DEST)"

 		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -d \$(TOP)/ -O -source 1.3 -target 1.3"

 		JAR="\$(JPATH)/bin/jar"

 		JAVADOC="\$(JPATH)/bin/javadoc"