diff -up Makefile.orig Makefile
--- Makefile.orig	2023-02-28 01:31:32.000000000 -0700
+++ Makefile	2023-02-28 13:56:21.696052600 -0700
@@ -1,7 +1,14 @@
 CXX ?= g++
-CFLAGS = -Wall -Wconversion -O3 -fPIC
+CFLAGS = ${RPM_CFLAGS} -Wconversion -fPIC
 SHVER = 3
+export SHVER
 OS = $(shell uname)
+DOT_LIBS = .
+LIBS = -L${DOT_LIBS} -lsvm
+export LIBSVM_VER
+IS_64 := $(shell /bin/uname -i | awk '/64/ {print 64}')
+PREFIXDIR ?= /usr
+export PREFIXDIR
 ifeq ($(OS),Darwin)
 	SHARED_LIB_FLAG = -dynamiclib -Wl,-install_name,libsvm.so.$(SHVER)
 else
@@ -9,20 +16,80 @@ else
 endif
 
 # Uncomment the following lines to enable parallelization with OpenMP
-# CFLAGS += -fopenmp
-# SHARED_LIB_FLAG += -fopenmp
+CFLAGS += -fopenmp
+SHARED_LIB_FLAG += -fopenmp
 
-all: svm-train svm-predict svm-scale
+LIBDIR ?= ${PREFIXDIR}/lib${IS_64}
+export LIBDIR
 
-lib: svm.o
+DATADIR?=${PREFIXDIR}/share
+export DATADIR
+
+BINDIR?=${PREFIXDIR}/bin
+export BINDIR
+
+INCLUDEDIR_INSTALL:=${DESTDIR}/${PREFIXDIR}/include
+export INCLUDEDIR_INSTALL
+
+LIBDIR_INSTALL:=${DESTDIR}/${LIBDIR}
+export LIBDIR_INSTALL
+
+DATADIR_INSTALL:=${DESTDIR}/${DATADIR}
+export DATA_INSTALL
+
+BINDIR_INSTALL:=${DESTDIR}/${BINDIR}
+export BINDIR_INSTALL
+
+all: lib svm-train svm-predict svm-scale svm-python svm-toy-qt
+
+lib: libsvm.so.$(SHVER) libsvm.so
+
+libsvm.so: libsvm.so.$(SHVER)
+	ln -sf libsvm.so.$(SHVER) libsvm.so
+
+libsvm.so.$(SHVER): svm.o
 	$(CXX) $(SHARED_LIB_FLAG) svm.o -o libsvm.so.$(SHVER)
 svm-predict: svm-predict.c svm.o
-	$(CXX) $(CFLAGS) svm-predict.c svm.o -o svm-predict -lm
+	$(CXX) $(CFLAGS) svm-predict.c $(LIBS) -o svm-predict -lm
 svm-train: svm-train.c svm.o
-	$(CXX) $(CFLAGS) svm-train.c svm.o -o svm-train -lm
+	$(CXX) $(CFLAGS) svm-train.c $(LIBS) -o svm-train -lm
 svm-scale: svm-scale.c
 	$(CXX) $(CFLAGS) svm-scale.c -o svm-scale
 svm.o: svm.cpp svm.h
 	$(CXX) $(CFLAGS) -c svm.cpp
 clean:
-	rm -f *~ svm.o svm-train svm-predict svm-scale libsvm.so.$(SHVER)
+	rm -f *~ svm.o svm-train svm-predict svm-scale   svm-toy/qt/svm-toy-qt
+	${MAKE} -C python clean
+	${MAKE} -C java clean
+svm-python:
+	${MAKE} -C python
+
+svm-toy-qt:
+	${MAKE} -C svm-toy/qt
+
+install: all
+	mkdir -p ${BINDIR_INSTALL}
+	install -m 755 svm-train ${BINDIR_INSTALL}
+	install -m 755 svm-predict ${BINDIR_INSTALL}
+	install -m 755 svm-scale ${BINDIR_INSTALL}
+	mkdir -p ${LIBDIR_INSTALL}
+	install -m 755 libsvm.so.$(SHVER) ${LIBDIR_INSTALL}
+# install package libsvm-devel
+	mkdir -p ${INCLUDEDIR_INSTALL}/libsvm
+	install -m 644 svm.h ${INCLUDEDIR_INSTALL}/libsvm
+# install package svm-toy
+	install -m 755 svm-toy/qt/svm-toy-qt ${BINDIR_INSTALL}
+# install examples
+	mkdir -p ${DATADIR_INSTALL}/libsvm/examples
+	install -m 644 heart_scale ${DATADIR_INSTALL}/libsvm/examples
+uninstall:
+	rm -f ${BINDIR_INSTALL}/svm-train
+	rm -f ${BINDIR_INSTALL}/svm-predict
+	rm -f ${BINDIR_INSTALL}/svm-scale
+	rm -fr ${DATADIR_INSTALL}/libsvm
+	rm -f ${INCLUDEDIR_INSTALL}/libsvm/svm.h
+	rm -f ${LIBDIR_INSTALL}/libsvm.so*
+	${MAKE} -C python uninstall
+	${MAKE} -C java uninstall
+	rm -f ${BINDIR_INSTALL}/svm-toy-qt
+