--- Makefile.orig	2010-12-02 19:44:31.000000000 +0000
+++ Makefile	2010-12-02 19:43:59.000000000 +0000
@@ -1,19 +1,21 @@
 CXX ?= g++
-CFLAGS = -Wall -Wconversion -O3 -fPIC
+CFLAGS ?= -Wall -Wconversion -O3
 SHVER = 2
+PICFLAGS ?= -fPIC
 
-all: svm-train svm-predict svm-scale
+all: svm-train svm-predict svm-scale lib
 
 lib: svm.o
-	$(CXX) -shared -dynamiclib svm.o -o libsvm.so.$(SHVER)
+	$(CXX) $(LDFLAGS) -shared -Wl,-soname,libsvm.so.$(SHVER) svm.o -o libsvm.so.$(SHVER) -lm && \
+	ln -s libsvm.so.$(SHVER) libsvm.so
 
 svm-predict: svm-predict.c svm.o
-	$(CXX) $(CFLAGS) svm-predict.c svm.o -o svm-predict -lm
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) svm-predict.c svm.o -o svm-predict -lm
 svm-train: svm-train.c svm.o
-	$(CXX) $(CFLAGS) svm-train.c svm.o -o svm-train -lm
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) svm-train.c svm.o -o svm-train -lm
 svm-scale: svm-scale.c
-	$(CXX) $(CFLAGS) svm-scale.c -o svm-scale
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) svm-scale.c -o svm-scale
 svm.o: svm.cpp svm.h
-	$(CXX) $(CFLAGS) -c svm.cpp
+	$(CXX) $(CXXFLAGS) $(PICFLAGS) -c svm.cpp
 clean:
-	rm -f *~ svm.o svm-train svm-predict svm-scale libsvm.so.$(SHVER)
+	rm -f *~ svm.o svm-train svm-predict svm-scale libsvm.so.$(SHVER) libsvm.so