--- GNUmakefile
+++ GNUmakefile
@@ -1,3 +1,5 @@
+LIBTOOL = libtool
+LIBDIR = lib
 CXXFLAGS = -DNDEBUG -g -O2
 #CXXFLAGS = -g
 # -fPIC is supported. Please report any breakage of -fPIC as a bug.
@@ -7,8 +9,9 @@
 # LDFLAGS += -Wl,--gc-sections
 ARFLAGS = -cr	# ar needs the dash on OpenBSD
 RANLIB = ranlib
-CP = cp
+LN_S = ln -s
 MKDIR = mkdir
+INSTALL = install
 EGREP = egrep
 UNAME = $(shell uname)
 ISX86 = $(shell uname -m | $(EGREP) -c "i.86|x86|i86|amd64")
@@ -77,8 +80,11 @@
 CXXFLAGS += -pipe
 endif
 
+THREAD_LIBS =
+
 ifeq ($(UNAME),Linux)
 LDFLAGS += -pthread
+THREAD_LIBS += -lpthread
 ifneq ($(shell uname -i | $(EGREP) -c "(_64|d64)"),0)
 M32OR64 = -m64
 endif
@@ -99,8 +105,6 @@
 ifeq ($(UNAME),SunOS)
 LDLIBS += -lnsl -lsocket
 M32OR64 = -m$(shell isainfo -b)
-endif
-
 ifneq ($(IS_SUN_CC),0)	# override flags for CC Sun C++ compiler
 CXXFLAGS = -DNDEBUG -O -g0 -native -template=no%extdef $(M32OR64)
 LDFLAGS =
@@ -114,52 +118,52 @@
 CXXFLAGS += -DCRYPTOPP_INCLUDE_VECTOR_CC
 endif
 endif
+endif
 
 SRCS = $(wildcard *.cpp)
 ifeq ($(SRCS),)				# workaround wildcard function bug in GNU Make 3.77
 SRCS = $(shell echo *.cpp)
 endif
 
-OBJS = $(SRCS:.cpp=.o)
-# test.o needs to be after bench.o for cygwin 1.1.4 (possible ld bug?)
-TESTOBJS = bench.o bench2.o test.o validat1.o validat2.o validat3.o adhoc.o datatest.o regtest.o fipsalgt.o dlltest.o
+OBJS = $(SRCS:.cpp=.lo)
+# test.lo needs to be after bench.lo for cygwin 1.1.4 (possible ld bug?)
+TESTOBJS = bench.lo bench2.lo test.lo validat1.lo validat2.lo validat3.lo adhoc.lo datatest.lo regtest.lo fipsalgt.lo dlltest.lo
 LIBOBJS = $(filter-out $(TESTOBJS),$(OBJS))
 
 DLLSRCS = algebra.cpp algparam.cpp asn.cpp basecode.cpp cbcmac.cpp channels.cpp cryptlib.cpp des.cpp dessp.cpp dh.cpp dll.cpp dsa.cpp ec2n.cpp eccrypto.cpp ecp.cpp eprecomp.cpp files.cpp filters.cpp fips140.cpp fipstest.cpp gf2n.cpp gfpcrypt.cpp hex.cpp hmac.cpp integer.cpp iterhash.cpp misc.cpp modes.cpp modexppc.cpp mqueue.cpp nbtheory.cpp oaep.cpp osrng.cpp pch.cpp pkcspad.cpp pubkey.cpp queue.cpp randpool.cpp rdtables.cpp rijndael.cpp rng.cpp rsa.cpp sha.cpp simple.cpp skipjack.cpp strciphr.cpp trdlocal.cpp
-DLLOBJS = $(DLLSRCS:.cpp=.export.o)
-LIBIMPORTOBJS = $(LIBOBJS:.o=.import.o)
-TESTIMPORTOBJS = $(TESTOBJS:.o=.import.o)
-DLLTESTOBJS = dlltest.dllonly.o
+DLLOBJS = $(DLLSRCS:.cpp=.export.lo)
+LIBIMPORTOBJS = $(LIBOBJS:.lo=.import.lo)
+TESTIMPORTOBJS = $(TESTOBJS:.lo=.import.lo)
+DLLTESTOBJS = dlltest.dllonly.lo
 
-all: cryptest.exe
+all: libcryptopp.la
 
-test: cryptest.exe
-	./cryptest.exe v
+test: cryptest
+	./cryptest v
 
 clean:
-	$(RM) cryptest.exe libcryptopp.a $(LIBOBJS) $(TESTOBJS) cryptopp.dll libcryptopp.dll.a libcryptopp.import.a cryptest.import.exe dlltest.exe $(DLLOBJS) $(LIBIMPORTOBJS) $(TESTIMPORTOBJS) $(DLLTESTOBJS)
+	$(RM) -f .libs cryptest libcrypto++.* libcryptopp.* $(LIBOBJS) $(TESTOBJS) cryptopp.dll cryptest.import dlltest $(DLLOBJS) $(LIBIMPORTOBJS) $(TESTIMPORTOBJS) $(DLLTESTOBJS)
 
 install:
-	$(MKDIR) -p $(PREFIX)/include/cryptopp $(PREFIX)/lib $(PREFIX)/bin
-	$(CP) *.h $(PREFIX)/include/cryptopp
-	$(CP) *.a $(PREFIX)/lib
-	$(CP) *.so $(PREFIX)/lib
-	$(CP) *.exe $(PREFIX)/bin
-
-libcryptopp.a: $(LIBOBJS)
-	$(AR) $(ARFLAGS) $@ $(LIBOBJS)
-	$(RANLIB) $@
+	$(MKDIR) -p $(DESTDIR)$(PREFIX)/include/crypto++ $(DESTDIR)$(PREFIX)/$(LIBDIR)
+	$(INSTALL) -m 644 *.h $(DESTDIR)$(PREFIX)/include/crypto++
+	$(LN_S) crypto++ $(DESTDIR)$(PREFIX)/include/cryptopp
+	$(LIBTOOL) --mode=install $(INSTALL) libcrypto++.la $(DESTDIR)$(PREFIX)/$(LIBDIR)
+	$(LN_S) libcrypto++.a $(DESTDIR)$(PREFIX)/$(LIBDIR)/libcryptopp.a
+	$(LN_S) libcrypto++.so.0.0.0 $(DESTDIR)$(PREFIX)/$(LIBDIR)/libcryptopp.so
+	$(LN_S) libcrypto++.so.0.0.0 $(DESTDIR)$(PREFIX)/$(LIBDIR)/libcryptopp.so.0
+	$(LN_S) libcrypto++.so.0.0.0 $(DESTDIR)$(PREFIX)/$(LIBDIR)/libcryptopp.so.0.0.0
 
-libcryptopp.so: $(LIBOBJS)
-	$(CXX) -shared -o $@ $(LIBOBJS)
+libcryptopp.la: $(LIBOBJS)
+	$(LIBTOOL) --tag=CXX --mode=link $(CXX) $(LDFLAGS) -rpath $(PREFIX)/$(LIBDIR) -o $@ $(LIBOBJS) $(THREAD_LIBS)
 
-cryptest.exe: libcryptopp.a $(TESTOBJS)
-	$(CXX) -o $@ $(CXXFLAGS) $(TESTOBJS) -L. -lcryptopp $(LDFLAGS) $(LDLIBS)
+cryptest: libcryptopp.la $(TESTOBJS)
+	$(LIBTOOL) --tag=CXX --mode=link $(CXX) $(LDFLAGS) -o $@ $(TESTOBJS) -L. -lcryptopp $(LDLIBS) $(THREAD_LIBS)
 
 nolib: $(OBJS)		# makes it faster to test changes
-	$(CXX) -o ct $(CXXFLAGS) $(OBJS) $(LDFLAGS) $(LDLIBS)
+	$(LIBTOOL) --tag=CXX --mode=link $(CXX) -o ct $(LDFLAGS) $(OBJS) $(LDLIBS) $(THREAD_LIBS)
 
-dll: cryptest.import.exe dlltest.exe
+dll: cryptest.import dlltest
 
 cryptopp.dll: $(DLLOBJS)
 	$(CXX) -shared -o $@ $(CXXFLAGS) $(DLLOBJS) $(LDFLAGS) $(LDLIBS) -Wl,--out-implib=libcryptopp.dll.a
@@ -168,10 +172,10 @@
 	$(AR) $(ARFLAGS) $@ $(LIBIMPORTOBJS)
 	$(RANLIB) $@
 
-cryptest.import.exe: cryptopp.dll libcryptopp.import.a $(TESTIMPORTOBJS)
+cryptest.import: cryptopp.dll libcryptopp.import.a $(TESTIMPORTOBJS)
 	$(CXX) -o $@ $(CXXFLAGS) $(TESTIMPORTOBJS) -L. -lcryptopp.dll -lcryptopp.import $(LDFLAGS) $(LDLIBS)
 
-dlltest.exe: cryptopp.dll $(DLLTESTOBJS)
+dlltest: cryptopp.dll $(DLLTESTOBJS)
 	$(CXX) -o $@ $(CXXFLAGS) $(DLLTESTOBJS) -L. -lcryptopp.dll $(LDFLAGS) $(LDLIBS)
 
 adhoc.cpp: adhoc.cpp.proto
@@ -181,14 +185,14 @@
 	touch adhoc.cpp
 endif
 
-%.dllonly.o : %.cpp
+%.dllonly.lo : %.cpp
 	$(CXX) $(CXXFLAGS) -DCRYPTOPP_DLL_ONLY -c $< -o $@
 
-%.import.o : %.cpp
+%.import.lo : %.cpp
 	$(CXX) $(CXXFLAGS) -DCRYPTOPP_IMPORTS -c $< -o $@
 
-%.export.o : %.cpp
+%.export.lo : %.cpp
 	$(CXX) $(CXXFLAGS) -DCRYPTOPP_EXPORTS -c $< -o $@
 
-%.o : %.cpp
-	$(CXX) $(CXXFLAGS) -c $<
+%.lo : %.cpp
+	$(LIBTOOL) --tag=CXX --mode=compile $(CXX) $(CXXFLAGS) -c $<