diff --git a/configure/os/CONFIG.Common.win32-x86-mingw b/configure/os/CONFIG.Common.win32-x86-mingw
index 908a0e0a8..e3ec3fc5c 100644
--- a/configure/os/CONFIG.Common.win32-x86-mingw
+++ b/configure/os/CONFIG.Common.win32-x86-mingw
@@ -13,21 +13,11 @@ include $(CONFIG)/os/CONFIG.Common.UnixCommon
 OS_CLASS = WIN32
 ARCH_CLASS = x86
 
-EXE=.exe
-
-# Library used when COMMANDLINE_LIBRARY is READLINE
-LDLIBS_READLINE = -lreadline
-
-
-# Set runtime path for shared libraries
-SHRLIBDIR_LDFLAGS += $(SHRLIB_DEPLIB_DIRS:%=-Wl,-rpath,%)
-
-# Set runtime path for products
-PRODDIR_LDFLAGS += $(PROD_DEPLIB_DIRS:%=-Wl,-rpath,%)
-
+#ARCH_DEP_CPPFLAGS += -D_X86_
+ARCH_DEP_CFLAGS += -m32
+ARCH_DEP_LDFLAGS += -m32
 
 # Compiler defines _X86_ 1
-
 # Compiler defines __MSVCRT__ 1
 # Compiler defines __MINGW32__ 1
 # Compiler defines __WIN32 1
@@ -39,13 +29,48 @@ PRODDIR_LDFLAGS += $(PROD_DEPLIB_DIRS:%=-Wl,-rpath,%)
 # Compiler defines WINNT 1
 # Compiler does not define  __unix __unix__ unix
 
+# Override of definitions from CONFIG.Common.UnixCommon
+
+EXE=.exe
+
 # Override for -DUNIX from CONFIG.Common.UnixCommon
-OP_SYS_CPPFLAGS =
+OP_SYS_CPPFLAGS += -D_MINGW
 
-OP_SYS_CXXFLAGS += -D__cplusplus
+VISC_DLL_NO = -DEPICS_DLL_NO
+VISC_DLL_YES =
+VISC_DLL = $(VISC_DLL_$(SHARED_LIBRARIES))
+STATIC_CFLAGS_YES= $(VISC_DLL)
+STATIC_CFLAGS_NO=  $(VISC_DLL) -D_DLL
+STATIC_CXXFLAGS_YES= $(VISC_DLL)
+STATIC_CXXFLAGS_NO=  $(VISC_DLL) -D_DLL
 
-LIBRARY_LD_RESS=
+EXE=.exe
+#	adjust names of libraries to build
+#
+#	But: if there are no objects LIBRARY_LD_OBJS to include
+#	in this library (may be for e.g. base/src/libCompat
+#	on some archs), don't define (and build) any library!
+SHRLIB_PREFIX=
+SHRLIB_SUFFIX=.dll
+SHRLIBNAME_YES = $(BUILD_LIBRARY:%=%$(SHRLIB_SUFFIX))
+LOADABLE_SHRLIB_PREFIX=
+LOADABLE_SHRLIB_SUFFIX=.dll
+LOADABLE_SHRLIBNAME = $(LOADABLE_BUILD_LIBRARY:%=%$(LOADABLE_SHRLIB_SUFFIX))
 
-OP_SYS_LDLIBS = -lws2_32 -ladvapi32 -luser32 -lkernel32 -lwinmm
-#STATIC_LDLIBS_YES=-lws2_32 -ladvapi32 -luser32 -lkernel32 -lwinmm
+#
+# When SHARED_LIBRARIES is YES we are building a DLL link library 
+# and when SHARED_LIBRARIES is NO we are building an object library
+#
+LIB_PREFIX=
+LIB_SUFFIX=.lib
+DLL_LINK_LIBNAME_YES = $(BUILD_LIBRARY:%=%$(LIB_SUFFIX))
+DLL_LINK_LIBNAME = $(DLL_LINK_LIBNAME_$(SHARED_LIBRARIES))
+LIBNAME_NO = $(BUILD_LIBRARY:%=%$(LIB_SUFFIX))
+LIBNAME = $(LIBNAME_$(SHARED_LIBRARIES))
+
+#	dll install location
+INSTALL_SHRLIB = $(INSTALL_BIN)
+
+LINK.shrlib = $(CCC) -o $(SHRLIB_PREFIX)$*$(SHRLIB_SUFFIX) $(TARGET_LIB_LDFLAGS) $(SHRLIBDIR_LDFLAGS) $(LDFLAGS)
+LINK.shrlib += $(LIB_LDFLAGS) $(LIBRARY_LD_OBJS) $(LIBRARY_LD_RESS) $(SHRLIB_LDLIBS)
 
diff --git a/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw b/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
index 8bb6a530d..a66edeb4f 100644
--- a/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
+++ b/configure/os/CONFIG.win32-x86-mingw.win32-x86-mingw
@@ -9,8 +9,7 @@
 # Include common gnu compiler definitions
 include $(CONFIG)/CONFIG.gnuCommon
 
-# Shared libraries not implemented
-SHARED_LIBRARIES=NO
+SHRLIB_VERSION=
 
 # gcc, g++, ar, ld, and ranlib must be in user's path
 CC = gcc
@@ -19,17 +18,32 @@ AR = ar -rc
 LD = ld -r
 RANLIB = ranlib
 
-# Avoid "position-independent code is always generated" message
+# Avoid "-fPIC ignored for target (all code is position independent)"
+
 SHRLIB_CFLAGS =
-SHRLIB_LDFLAGS = -shared
-LOADABLE_SHRLIB_LDFLAGS = -shared
+SHRLIB_LDFLAGS = -shared -Wl,--out-implib,$(LIB_PREFIX)$*$(LIB_SUFFIX)
+LOADABLE_SHRLIB_LDFLAGS = -shared -Wl,--out-implib,$(LIB_PREFIX)$*$(LIB_SUFFIX)
 
-# Dont use -ansi option:  eliminates strdup and _tempnam
+# Dont use -ansi option:  eliminates _fdopen, _tempnam, ...
 CONFORM_CFLAGS_ANSI =
-CONFORM_CFLAGS_STRICT = -pedantic
+CONFORM_CFLAGS_STRICT = 
 CONFORM_CXXFLAGS_NORMAL =
-CONFORM_CXXFLAGS_STRICT = -pedantic
+CONFORM_CXXFLAGS_STRICT = 
 
-# Override linking with gcc library
+# Override linking with gcc library from CONFIG.gnuCommon
 GNU_LDLIBS_YES =
 
+# Library used when COMMANDLINE_LIBRARY is READLINE
+LDLIBS_READLINE = -lreadline
+
+OP_SYS_CXXFLAGS += -D__cplusplus
+
+LIBRARY_LD_RESS=
+
+OP_SYS_LDLIBS = -lws2_32 -ladvapi32 -luser32 -lkernel32 -lwinmm
+#STATIC_LDLIBS_YES=-lws2_32 -ladvapi32 -luser32 -lkernel32 -lwinmm
+
+#STATIC_LDFLAGS_YES= -Wl,-Bstatic
+#STATIC_LDFLAGS_NO=
+#STATIC_LDLIBS_YES= -Wl,-Bdynamic
+#STATIC_LDLIBS_NO=