diff -Naur ann_1.1.2.orig/Make-config ann_1.1.2/Make-config
--- ann_1.1.2.orig/Make-config	2010-01-28 05:40:01.000000000 +0100
+++ ann_1.1.2/Make-config	2013-03-22 15:56:58.290617102 +0100
@@ -67,6 +67,14 @@
 #				files in the MS_WIN32 directory).
 #-----------------------------------------------------------------------------
 
+#					Linux shared library using g++
+linux:
+	$(MAKE) targets \
+	"ANNLIB = libANN.so.1.0" \
+	"ANNDEVLIB = libANN.so" \
+	"C++ = g++" \
+	"MAKELIB = $(C++) -shared -Wl,-soname -Wl,libANN.so.1 -o" \
+	"RANLIB = true"
 #					Linux using g++
 linux-g++:
 	$(MAKE) targets \
diff -Naur ann_1.1.2.orig/Makefile ann_1.1.2/Makefile
--- ann_1.1.2.orig/Makefile	2010-01-28 05:40:01.000000000 +0100
+++ ann_1.1.2/Makefile	2013-03-22 15:56:58.290617102 +0100
@@ -56,7 +56,7 @@
 #-----------------------------------------------------------------------------
 # main make entry point
 #-----------------------------------------------------------------------------
-alpha-g++ macosx-g++ linux-g++ sgi sunos4 sunos4-g++ sunos5 sunos5-g++ sunos5-g++-sl authors-debug authors-perf:
+alpha-g++ macosx-g++ linux linux-g++ sgi sunos4 sunos4-g++ sunos5 sunos5-g++ sunos5-g++-sl authors-debug authors-perf:
 	cd src ; $(MAKE) $@
 	cd test ; $(MAKE) $@
 	cd sample ; $(MAKE) $@
diff -Naur ann_1.1.2.orig/src/Makefile ann_1.1.2/src/Makefile
--- ann_1.1.2.orig/src/Makefile	2010-01-28 05:40:01.000000000 +0100
+++ ann_1.1.2/src/Makefile	2013-03-22 15:56:58.290617102 +0100
@@ -56,7 +56,8 @@
 $(LIBDIR)/$(ANNLIB): $(OBJECTS)
 	$(MAKELIB) $(ANNLIB) $(OBJECTS)
 	$(RANLIB) $(ANNLIB)
-	mv $(ANNLIB) $(LIBDIR)
+	[ -z "$(ANNDEVLIB)" ] || ln -s $(ANNLIB) $(ANNDEVLIB)
+	mv $(ANNLIB) $(ANNDEVLIB) $(LIBDIR)
 
 #-----------------------------------------------------------------------------
 # Make object files