--- ./lib/Makefile.orig	2014-07-11 23:06:08.000000000 +0100
+++ ./lib/Makefile	2014-09-27 04:27:47.371160997 +0100
@@ -1,6 +1,8 @@
 -include config.mk
 
 STATICLIB=libimagequant.a
+SHAREDLIB=libimagequant.so
+SOVER=0
 
 DLL=libimagequant.dll
 DLLIMP=libimagequant_dll.a
@@ -14,10 +16,12 @@ DISTFILES = $(OBJS:.o=.c) *.h MANUAL.md
 TARNAME = libimagequant-$(VERSION)
 TARFILE = $(TARNAME)-src.tar.bz2
 
-all: static
+all: shared
 
 static: $(STATICLIB)
 
+shared: $(SHAREDLIB)
+
 dll:
 	$(MAKE) CFLAGSADD="-DLIQ_EXPORT='__declspec(dllexport)'" $(DLL)
 
@@ -28,6 +32,10 @@ $(DLL) $(DLLIMP): $(OBJS)
 $(STATICLIB): $(OBJS)
 	$(AR) $(ARFLAGS) $@ $^
 
+$(SHAREDLIB): $(OBJS)
+	$(CC) -shared -Wl,-soname,$(SHAREDLIB).$(SOVER) $(LDFLAGS) $(OBJS) -o $(SHAREDLIB).$(SOVER)
+	ln -fs $(SHAREDLIB).$(SOVER) $(SHAREDLIB)
+
 $(OBJS): $(wildcard *.h) config.mk
 
 dist: $(TARFILE)
--- ./configure.orig	2014-09-27 05:12:31.526575414 +0100
+++ ./configure	2014-09-27 06:01:41.336738912 +0100
@@ -230,7 +230,6 @@ status "Compiler" "$CC"
 # init flags
 CFLAGS=${CFLAGS:--O3 -fno-math-errno -funroll-loops -fomit-frame-pointer -Wall}
 cflags "-std=c99 -I."
-lflags "-lm lib/libimagequant.a"
 
 # DEBUG
 if [ -z "$DEBUG" ]; then
--- ./Makefile.orig	2015-01-06 16:13:51.000000000 +0000
+++ ./Makefile	2015-01-06 23:10:30.660389846 +0000
@@ -11,6 +11,8 @@ OBJS += $(COCOA_OBJS)
 endif
 
 STATICLIB = lib/libimagequant.a
+SHAREDLIB = lib/libimagequant.so
+SOVER = 0
 
 DISTFILES = *.[chm] pngquant.1 Makefile configure README.md INSTALL CHANGELOG COPYRIGHT
 TARNAME = pngquant-$(VERSION)
@@ -27,13 +29,16 @@ all: $(BIN)
 $(STATICLIB):: config.mk
 	$(MAKE) -C lib static
 
+$(SHAREDLIB):: config.mk
+	$(MAKE) -C lib shared
+
 $(OBJS): $(wildcard *.h) config.mk
 
 rwpng_cocoa.o: rwpng_cocoa.m
 	$(CC) -Wno-enum-conversion -c $(CFLAGS) -o $@ $< || clang -Wno-enum-conversion -c -O3 $(CFLAGS) -o $@ $<
 
-$(BIN): $(STATICLIB) $(OBJS)
-	$(CC) $(OBJS) $(LDFLAGS) -o $@
+$(BIN): $(SHAREDLIB) $(OBJS)
+	$(CC) $(OBJS) $(LDFLAGS) $(SHAREDLIB) -o $@
 
 dist: $(TARFILE)
 
@@ -54,7 +59,7 @@ uninstall:
 
 clean:
 	$(MAKE) -C lib clean
-	rm -f $(BIN) $(OBJS) $(COCOA_OBJS) $(STATICLIB) $(TARFILE)
+	rm -f $(BIN) $(OBJS) $(COCOA_OBJS) $(SHAREDLIB) $(TARFILE)
 
 distclean: clean
 	$(MAKE) -C lib distclean