diff --git a/Makefile.org b/Makefile.org
index 7fa4b52a9..89e074f5c 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -276,7 +276,7 @@ Makefile: Makefile.org Configure config
 	@false
 
 libclean:
-	rm -f *.map *.so *.so.* engines/*.so *.a */lib */*/lib
+	rm -f *.map *.so *.so.* *.dll engines/*.so engines/*.dll *.a engines/*.a */lib */*/lib
 
 clean:	libclean
 	rm -f shlib/*.o *.o core a.out fluff rehash.time testlog make.log cctest cctest.c
@@ -476,13 +476,13 @@ install_sw:
 					chmod 555 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.new; \
 					mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.new $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i; \
 				else \
-					c=`echo $$i | sed 's/^lib/cyg/'`; \
+					c=`echo $$i | sed 's/^lib\(.*\)\.dll\.a/cyg\1-$(SHLIB_VERSION_NUMBER).dll/'`; \
 					cp $$c $(INSTALL_PREFIX)$(INSTALLTOP)/bin/$$c.new; \
 					chmod 755 $(INSTALL_PREFIX)$(INSTALLTOP)/bin/$$c.new; \
 					mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/bin/$$c.new $(INSTALL_PREFIX)$(INSTALLTOP)/bin/$$c; \
-					cp $$i.a $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.a.new; \
-					chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.a.new; \
-					mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.a.new $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.a; \
+					cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.new; \
+					chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.new; \
+					mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i.new $(INSTALL_PREFIX)$(INSTALLTOP)/lib/$$i; \
 				fi ); \
 			fi; \
 		done; \
diff --git a/Makefile.shared b/Makefile.shared
index 827b01d8e..6d6876193 100644
--- a/Makefile.shared
+++ b/Makefile.shared
@@ -231,7 +231,8 @@ link_o.cygwin:
 	SHLIB=cyg$(LIBNAME); \
 	expr $(PLATFORM) : 'mingw' > /dev/null && SHLIB=$(LIBNAME)eay32; \
 	SHLIB_SUFFIX=.dll; \
-	SHLIB_SOVER=-$(LIBVERSION); \
+	LIBVERSION="$(LIBVERSION)"; \
+	SHLIB_SOVER=${LIBVERSION:+"-$(LIBVERSION)"}; \
 	ALLSYMSFLAGS='-Wl,--whole-archive'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-Bsymbolic -Wl,--out-implib,lib$(LIBNAME).dll.a"; \
@@ -242,16 +243,16 @@ link_a.cygwin:
 	SHLIB=cyg$(LIBNAME); \
 	expr $(PLATFORM) : 'mingw' > /dev/null && SHLIB=$(LIBNAME)eay32; \
 	SHLIB_SUFFIX=.dll; \
-	SHLIB_SOVER=; \
+	SHLIB_SOVER=-$(LIBVERSION); \
 	ALLSYMSFLAGS='-Wl,--whole-archive'; \
 	NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
-	base=;  [ $(LIBNAME) = "crypto" ] && base=-Wl,--image-base,0x61200000; \
+	base=;  [ $(LIBNAME) = "crypto" ] && base=-Wl,--image-base,0x63000000; \
 	SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared $$base -Wl,-Bsymbolic -Wl,--out-implib,lib$(LIBNAME).dll.a"; \
 	[ -f apps/$$SHLIB$$SHLIB_SUFFIX ] && rm apps/$$SHLIB$$SHLIB_SUFFIX; \
 	[ -f test/$$SHLIB$$SHLIB_SUFFIX ] && rm test/$$SHLIB$$SHLIB_SUFFIX; \
 	$(LINK_SO_A) || exit 1; \
-	cp -p $$SHLIB$$SHLIB_SUFFIX apps/; \
-	cp -p $$SHLIB$$SHLIB_SUFFIX test/
+	cp -p $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX apps/; \
+	cp -p $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX test/
 link_app.cygwin:
 	$(LINK_APP)
 
diff --git a/engines/Makefile b/engines/Makefile
index 483ed7237..9ac5471ac 100644
--- a/engines/Makefile
+++ b/engines/Makefile
@@ -82,14 +82,19 @@ files:
 links:
 
 # XXXXX This currently only works on systems that use .so as suffix
-# for shared libraries.
+# for shared libraries as well as for Cygwin which uses the
+# dlfcn_name_converter and therefore stores the engines with .so suffix, too.
 install:
 	@[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
 	@if [ -n "$(SHARED_LIBS)" ]; then \
 		set -e; \
 		for l in $(LIBNAMES); do \
 			( echo installing $$l; \
-			  cp lib$$l.so $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so.new; \
+			  if [ "$(PLATFORM)" != "Cygwin" ]; then \
+				  cp lib$$l.so $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so.new; \
+			  else \
+				  cp cyg$$l.dll $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so.new; \
+			  fi; \
 			  chmod 555 $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so.new; \
 			  mv -f $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so.new $(INSTALL_PREFIX)$(INSTALLTOP)/lib/engines/lib$$l.so ); \
 		done; \
diff --git a/util/cygwin.sh b/util/cygwin.sh
index 7f791d47f..fabbf8422 100755
--- a/util/cygwin.sh
+++ b/util/cygwin.sh
@@ -47,6 +47,14 @@ function doc_install()
   create_cygwin_readme
 }
 
+function certs_install()
+{
+  CERTS_DIR=${INSTALL_PREFIX}/usr/ssl/certs
+
+  mkdir -p ${CERTS_DIR}
+  cp -rp certs/* ${CERTS_DIR}
+}
+
 function create_cygwin_readme()
 {
   README_DIR=${INSTALL_PREFIX}/usr/share/doc/Cygwin
@@ -104,6 +112,8 @@ base_install
 
 doc_install
 
+certs_install
+
 create_cygwin_readme
 
 create_profile_files
@@ -112,11 +122,13 @@ cd ${INSTALL_PREFIX}
 strip usr/bin/*.exe usr/bin/*.dll
 
 # Runtime package
-find etc usr/bin usr/share/doc usr/ssl/certs usr/ssl/man/man[157] \
-     usr/ssl/misc usr/ssl/openssl.cnf usr/ssl/private -empty -o \! -type d |
+find etc usr/bin usr/lib/engines usr/share/doc usr/ssl/certs \
+     usr/ssl/man/man[157] usr/ssl/misc usr/ssl/openssl.cnf usr/ssl/private \
+     -empty -o \! -type d |
 tar cjfT openssl-${VERSION}-${SUBVERSION}.tar.bz2 -
 # Development package
-find usr/include usr/lib usr/ssl/man/man3 -empty -o \! -type d |
+find usr/include usr/lib/*.a usr/lib/pkgconfig usr/ssl/man/man3 \
+     -empty -o \! -type d |
 tar cjfT openssl-devel-${VERSION}-${SUBVERSION}.tar.bz2 -
 
 ls -l openssl-${VERSION}-${SUBVERSION}.tar.bz2