diff -ur icu4c-56_1/source/config/mh-mingw icu4c-56_1.patched/source/config/mh-mingw
--- icu4c-56_1/source/config/mh-mingw	2015-10-08 05:54:32.000000000 +0200
+++ icu4c-56_1.patched/source/config/mh-mingw	2017-01-17 15:21:45.344657127 +0100
@@ -65,6 +65,10 @@
 SO_TARGET_VERSION_SUFFIX = 
 endif
 
+## Remove shared library 's'
+STATIC_PREFIX_WHEN_USED = 
+STATIC_PREFIX =
+
 # Static library prefix and file extension
 LIBSICU = lib$(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
 A = a
diff -ur icu4c-56_1/source/config/mh-mingw64 icu4c-56_1.patched/source/config/mh-mingw64
--- icu4c-56_1/source/config/mh-mingw64	2015-10-08 05:54:30.000000000 +0200
+++ icu4c-56_1.patched/source/config/mh-mingw64	2017-01-17 14:25:14.072632426 +0100
@@ -65,6 +65,10 @@
 SO_TARGET_VERSION_SUFFIX = 
 endif
 
+## Remove shared library 's'
+STATIC_PREFIX_WHEN_USED = 
+STATIC_PREFIX =
+
 # Static library prefix and file extension
 LIBSICU = lib$(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
 A = a