File libsvm-reproducible-jar-mtime.patch of Package libsvm

--- libsvm-3.3/java/Makefile	2024-09-26 17:44:00.135921357 +0200
+++ libsvm-3.3/java/Makefile	2024-09-26 17:46:18.746958191 +0200
@@ -11,7 +11,8 @@
 export CLASSPATH := .:$(CLASSPATH)
 
 all: $(FILES)
-	jar cvf libsvm.jar *.class libsvm/*.class
+	jar --date="$$(date -u -d @$${SOURCE_DATE_EPOCH:-$$(date +%s)} +%Y-%m-%dT%H:%M:%SZ)" \
+	    --create --verbose --file=libsvm.jar *.class libsvm/*.class
 
 .java.class:
 	$(JAVAC) $(JAVAC_FLAGS) $<