File rxtx-java-missing-javah.patch of Package rxtx-java

--- rxtx-2.2pre2/configure.in	2020-03-20 09:54:50.687102488 +0100
+++ rxtx-2.2pre2/configure.in	2020-03-20 09:58:32.344380982 +0100
@@ -99,7 +99,6 @@
 AC_SUBST(JPATH)
 AC_SUBST(JHOME)
 AC_SUBST(RXTX_PATH)
-AC_SUBST(JAVAH)
 AC_SUBST(JAVAC)
 AC_SUBST(JAR)
 AC_SUBST(JAVADOC)
@@ -472,8 +471,7 @@
 	case $JAVA_VENDOR in
 	Tran*)
 		find_java_native_include jni.h
-		JAVAH="\$(JPATH)/bin/kaffeh -classpath \$(CLASSPATH) -d \$(DEST) -jni"
-		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -d \$(TOP)/ -O -source 1.3 -target 1.3"
+		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -h \$(DEST) -d \$(TOP)/ -O -source 1.8 -target 1.8"
 		JAR="\$(JPATH)/bin/jar"
 		JAVADOC="\$(JPATH)/bin/javadoc -classpath \$(CLASSPATH)"
 		CFLAGS=$CFLAGS" -D_BSD_SOURCE"
@@ -484,8 +482,7 @@
 		;;
 	*)
 		find_java_native_include jni_md.h
-		JAVAH="\$(JPATH)/bin/javah -classpath \$(CLASSPATH) -d \$(DEST) -jni"
-		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -d \$(TOP)/ -O -source 1.3 -target 1.3"
+		JAVAC="\$(JPATH)/bin/javac -classpath \$(CLASSPATH) -h \$(DEST) -d \$(TOP)/ -O -source 1.8 -target 1.8"
 		JAR="\$(JPATH)/bin/jar"
 		JAVADOC="\$(JPATH)/bin/javadoc"
 		CFLAGS=$CFLAGS" -D_BSD_SOURCE"
--- rxtx-2.2pre2/Makefile.am	2020-03-20 09:54:50.691102510 +0100
+++ rxtx-2.2pre2/Makefile.am	2020-03-20 09:57:19.527960989 +0100
@@ -111,11 +111,6 @@
 $(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)`
 	$(JAR) cf $(JARTARGET) $(CLASSTOP)/*
 
 #  install librxtxSerial.so into the proper directory and copy $(JARTARGET) to its