diff --git a/icu4c/source/common/Makefile.in b/icu4c/source/common/Makefile.in
index 667eef14d0d..f4fb45cb316 100644
--- a/icu4c/source/common/Makefile.in
+++ b/icu4c/source/common/Makefile.in
@@ -24,12 +24,14 @@ CLEANFILES = *~ $(DEPS)
 
 ## Target information
 
+TARGET_STUBNAME=uc
+
 ifneq ($(ENABLE_STATIC),)
-TARGET = $(LIBICU)uc$(ICULIBSUFFIX).a
+TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).a
 endif
 
 ifneq ($(ENABLE_SHARED),)
-SO_TARGET = $(LIBICU)uc$(ICULIBSUFFIX).$(SO)
+SO_TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
 ALL_SO_TARGETS = $(SO_TARGET) $(MIDDLE_SO_TARGET) $(FINAL_SO_TARGET)
 
 ifeq ($(OS390BATCH),1)
@@ -110,6 +112,10 @@ ifneq ($(FINAL_SO_TARGET),$(SO_TARGET))
 	cd $(DESTDIR)$(libdir) && $(RM) $(SO_TARGET) && ln -s $(FINAL_SO_TARGET) $(SO_TARGET)
 endif
 endif
+ifneq ($(IMPORT_LIB_EXT),)
+	$(INSTALL-L) $(FINAL_IMPORT_LIB) $(DESTDIR)$(libdir)/$(FINAL_IMPORT_LIB)
+	cd $(DESTDIR)$(libdir) && $(RM) $(IMPORT_LIB) && ln -s $(FINAL_IMPORT_LIB) $(IMPORT_LIB)
+endif
 
 install-headers:
 	$(MKINSTALLDIRS) $(DESTDIR)$(includedir)/unicode
diff --git a/icu4c/source/config/mh-cygwin-msvc b/icu4c/source/config/mh-cygwin-msvc
index 14bda466bc0..d2d5b6c5e10 100644
--- a/icu4c/source/config/mh-cygwin-msvc
+++ b/icu4c/source/config/mh-cygwin-msvc
@@ -3,7 +3,7 @@
 ## Copyright (c) 2001, International Business Machines Corporation and
 ## others. All Rights Reserved.
 ##
-## $Id: mh-cygwin-msvc,v 1.2 2003/02/17 17:48:50 grhoten-oss Exp $
+## $Id: mh-cygwin-msvc,v 1.3 2003/03/19 01:56:29 grhoten-oss Exp $
 
 ## Commands to generate dependency files
 GEN_DEPS.c=	:
@@ -48,6 +48,9 @@ STATIC_O = o
 # OUTOPT is for creating a specific output name
 OUTOPT = /out:
 
+## An import library is needed for z/OS and MSVC
+IMPORT_LIB_EXT = .lib
+
 LIBICU = $(ICUPREFIX)
 DEFAULT_LIBS =
 
@@ -103,7 +106,13 @@ LIBUSTDIO=	$(top_builddir)/extra/ustdio/libustdio$(ICULIBSUFFIX)$(SO_TARGET_VERS
 
 ## Versioned target for a shared library.
 FINAL_SO_TARGET=  $(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR)$(ICULIBSUFFIX).$(SO)
-MIDDLE_SO_TARGET=
+MIDDLE_SO_TARGET=$(SO_TARGET)
+
+## Versioned import library names.
+IMPORT_LIB = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(IMPORT_LIB_EXT)
+IMPORT_STUBDATA_LIB = $(IMPORT_LIB)
+FINAL_IMPORT_LIB = $(LIBICU)$(TARGET_STUBNAME)$(SO_TARGET_VERSION_MAJOR)$(ICULIBSUFFIX)$(IMPORT_LIB_EXT)
+FINAL_IMPORT_STUBDATA_LIB = $(FINAL_IMPORT_LIB)
 
 ## Versioned libraries rules
 #%$(SO_TARGET_VERSION_MAJOR).$(SO): %$(SO_TARGET_VERSION)$(ICULIBSUFFIX).$(SO)
diff --git a/icu4c/source/config/mh-os390 b/icu4c/source/config/mh-os390
index 17bd9fb629b..aa8bd829a76 100644
--- a/icu4c/source/config/mh-os390
+++ b/icu4c/source/config/mh-os390
@@ -3,7 +3,7 @@
 ## Copyright (c) 1999-2001, International Business Machines Corporation and
 ## others. All Rights Reserved.
 ##
-## $Id: mh-os390,v 1.45 2002/08/12 20:30:23 grhoten-oss Exp $
+## $Id: mh-os390,v 1.46 2003/03/19 01:56:29 grhoten-oss Exp $
 
 ###################################################################
 #                    IMPORTANT NOTE                               #
@@ -72,10 +72,19 @@ LD_RPATH=	-I
 ## Environment variable to set a runtime search path
 LDLIBRARYPATH_ENVVAR = LIBPATH
 
+## An import library (a.k.a. sidedeck) is needed for z/OS and MSVC
+IMPORT_LIB_EXT = .lib
+
 ## Versioned target for a shared library.
 FINAL_SO_TARGET=  $(basename $(SO_TARGET))$(SO_TARGET_VERSION)$(ICULIBSUFFIX).$(SO)
 MIDDLE_SO_TARGET= $(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR)$(ICULIBSUFFIX).$(SO)
 
+## Versioned import library names.
+IMPORT_LIB = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(IMPORT_LIB_EXT)
+IMPORT_STUBDATA_LIB = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(STUB_SUFFIX)$(IMPORT_LIB_EXT)
+FINAL_IMPORT_LIB = $(LIBICU)$(TARGET_STUBNAME)$(SO_TARGET_VERSION_MAJOR)$(ICULIBSUFFIX)$(IMPORT_LIB_EXT)
+FINAL_IMPORT_STUBDATA_LIB = $(LIBICU)$(TARGET_STUBNAME)$(SO_TARGET_VERSION)$(ICULIBSUFFIX)$(STUB_SUFFIX)$(IMPORT_LIB_EXT)
+
 ## Shared object suffix (switch to dll for shared library build)
 SO = dll
 ## Non-shared intermediate object suffix
diff --git a/icu4c/source/data/Makefile.in b/icu4c/source/data/Makefile.in
index f09801f3f1c..2f3b4376986 100644
--- a/icu4c/source/data/Makefile.in
+++ b/icu4c/source/data/Makefile.in
@@ -112,6 +112,9 @@ $(DESTDIR)$(pkgsysconfdir)/convrtrs.txt: $(UCMSRCDIR)/convrtrs.txt
 install390: $(BUILDDIR)/icudata390.lst ./icupkg.inc
 	$(MKINSTALLDIRS) $(TMPDATADIR) $(DESTDIR)$(libdir)
 	$(INVOKE) $(PKGDATA) -s $(BUILDDIR) -T $(BUILDDIR)/tmp3901 -p $(ICUDATA_NAME)$(STUB_SUFFIX) -e $(ICUDATA_ENTRY_POINT) $(BUILDDIR)/icudata390.lst -m dll $(PKGDATA_VERSIONING) -I $(DESTDIR)$(ICUPKGDATA_DIR)
+ifeq ($(PKGDATA_MODE),dll)
+	$(INSTALL-L) $(OUTDIR)/$(LIB_ICUDATA_NAME)$(STUB_SUFFIX)$(IMPORT_LIB_EXT) $(DESTDIR)$(ICUPKGDATA_DIR)/$(LIB_ICUDATA_NAME)$(STUB_SUFFIX)$(IMPORT_LIB_EXT)
+endif
 
 #### $(LIB_ICUDATA_NAME)$(BATCH_SUFFIX) is the subset data for batch mode
 package390: $(BUILDDIR)/icudata390.lst $(BUILDDIR)/icudata.lst ./icupkg.inc
diff --git a/icu4c/source/extra/ustdio/Makefile.in b/icu4c/source/extra/ustdio/Makefile.in
index 5ea07132469..367c45471df 100644
--- a/icu4c/source/extra/ustdio/Makefile.in
+++ b/icu4c/source/extra/ustdio/Makefile.in
@@ -24,12 +24,14 @@ CLEANFILES = *~ $(DEPS)
 
 ## Target information
 
+TARGET_STUBNAME=io
+
 ifneq ($(ENABLE_STATIC),)
-TARGET = libustdio$(ICULIBSUFFIX).a
+TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).a
 endif
 
 ifneq ($(ENABLE_SHARED),)
-SO_TARGET = libustdio$(ICULIBSUFFIX).$(SO)
+SO_TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
 ALL_SO_TARGETS = $(SO_TARGET) $(MIDDLE_SO_TARGET) $(FINAL_SO_TARGET)
 
 ifeq ($(OS390BATCH),1)
@@ -90,6 +92,10 @@ ifneq ($(FINAL_SO_TARGET),$(SO_TARGET))
 	cd $(DESTDIR)$(libdir) && $(RM) $(SO_TARGET) && ln -s $(FINAL_SO_TARGET) $(SO_TARGET)
 endif
 endif
+ifneq ($(IMPORT_LIB_EXT),)
+	$(INSTALL-L) $(FINAL_IMPORT_LIB) $(DESTDIR)$(libdir)/$(FINAL_IMPORT_LIB)
+	cd $(DESTDIR)$(libdir) && $(RM) $(IMPORT_LIB) && ln -s $(FINAL_IMPORT_LIB) $(IMPORT_LIB)
+endif
 
 install-headers:
 	$(MKINSTALLDIRS) $(DESTDIR)$(includedir)/unicode
diff --git a/icu4c/source/i18n/Makefile.in b/icu4c/source/i18n/Makefile.in
index c48debf8fd1..1155787b5f5 100644
--- a/icu4c/source/i18n/Makefile.in
+++ b/icu4c/source/i18n/Makefile.in
@@ -24,12 +24,14 @@ CLEANFILES = *~ $(DEPS)
 
 ## Target information
 
+TARGET_STUBNAME=i18n
+
 ifneq ($(ENABLE_STATIC),)
-TARGET = $(LIBICU)i18n$(ICULIBSUFFIX).a
+TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).a
 endif
 
 ifneq ($(ENABLE_SHARED),)
-SO_TARGET = $(LIBICU)i18n$(ICULIBSUFFIX).$(SO)
+SO_TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).$(SO)
 ALL_SO_TARGETS = $(SO_TARGET) $(MIDDLE_SO_TARGET) $(FINAL_SO_TARGET)
 
 ifeq ($(OS390BATCH),1)
@@ -105,6 +107,10 @@ ifneq ($(FINAL_SO_TARGET),$(SO_TARGET))
 	cd $(DESTDIR)$(libdir) && $(RM) $(SO_TARGET) && ln -s $(FINAL_SO_TARGET) $(SO_TARGET)
 endif
 endif
+ifneq ($(IMPORT_LIB_EXT),)
+	$(INSTALL-L) $(FINAL_IMPORT_LIB) $(DESTDIR)$(libdir)/$(FINAL_IMPORT_LIB)
+	cd $(DESTDIR)$(libdir) && $(RM) $(IMPORT_LIB) && ln -s $(FINAL_IMPORT_LIB) $(IMPORT_LIB)
+endif
 
 install-headers:
 	$(MKINSTALLDIRS) $(DESTDIR)$(includedir)/unicode
diff --git a/icu4c/source/layout/Makefile.in b/icu4c/source/layout/Makefile.in
index bd73c18c69c..1bf61030218 100644
--- a/icu4c/source/layout/Makefile.in
+++ b/icu4c/source/layout/Makefile.in
@@ -145,6 +145,11 @@ ifneq ($(FINAL_SO_TARGET),$(SO_TARGET))
 	cd $(DESTDIR)$(libdir) && $(RM) $(SO_TARGET) && ln -s $(FINAL_SO_TARGET) $(SO_TARGET)
 endif
 endif
+ifneq ($(IMPORT_LIB_EXT),)
+	$(INSTALL-L) $(FINAL_IMPORT_LIB) $(DESTDIR)$(libdir)/$(FINAL_IMPORT_LIB)
+	cd $(DESTDIR)$(libdir) && $(RM) $(IMPORT_LIB) && ln -s $(FINAL_IMPORT_LIB) $(IMPORT_LIB)
+endif
+
 
 install-headers:
 	$(MKINSTALLDIRS) $(DESTDIR)$(includedir)/layout
diff --git a/icu4c/source/stubdata/Makefile.in b/icu4c/source/stubdata/Makefile.in
index 738966ba6c7..74d9bce1f46 100644
--- a/icu4c/source/stubdata/Makefile.in
+++ b/icu4c/source/stubdata/Makefile.in
@@ -24,12 +24,16 @@ CLEANFILES = *~ $(DEPS)
 
 ## Target information
 
+TARGET_STUBNAME=data
+
 ifneq ($(ENABLE_STATIC),)
-TARGET = $(LIBICU)data$(ICULIBSUFFIX).a
+TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX).a
 endif
 
 ifneq ($(ENABLE_SHARED),)
-SO_TARGET = $(LIBICU)data$(ICULIBSUFFIX)$(STUB_SUFFIX).$(SO)
+SO_TARGET = $(LIBICU)$(TARGET_STUBNAME)$(ICULIBSUFFIX)$(STUB_SUFFIX).$(SO)
+IMPORT_LIB := $(IMPORT_STUBDATA_LIB)
+FINAL_IMPORT_LIB := $(FINAL_IMPORT_STUBDATA_LIB)
 ALL_SO_TARGETS = $(SO_TARGET) $(MIDDLE_SO_TARGET) $(FINAL_SO_TARGET) $(BATCH_STUB_TARGET)
 endif
 
@@ -82,6 +86,10 @@ ifneq ($(FINAL_SO_TARGET),$(SO_TARGET))
 	cd $(DESTDIR)$(libdir) && $(RM) $(SO_TARGET) && ln -s $(FINAL_SO_TARGET) $(SO_TARGET)
 endif
 endif
+ifneq ($(IMPORT_LIB_EXT),)
+	$(INSTALL-L) $(FINAL_IMPORT_LIB) $(DESTDIR)$(libdir)/$(FINAL_IMPORT_LIB)
+	cd $(DESTDIR)$(libdir) && $(RM) $(IMPORT_LIB) && ln -s $(FINAL_IMPORT_LIB) $(IMPORT_LIB)
+endif
 
 dist-local: