mingw/mingw-packages/mingw-w64-icu/0012-libprefix.mingw.patch

diff -Naur icu-orig/source/config/mh-mingw icu/source/config/mh-mingw
--- icu-orig/source/config/mh-mingw	2018-03-01 10:09:22.529832000 +0300
+++ icu/source/config/mh-mingw	2018-03-01 10:09:23.060232900 +0300
@@ -41,8 +41,8 @@
 LD_SOOPTIONS= -Wl,-Bsymbolic
 
 ## Commands to make a shared library
-SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
-SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
+SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
+SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
 
 ## Compiler switch to embed a runtime search path
 LD_RPATH=	
@@ -75,7 +75,7 @@
 # This is also for backwards compatibility.
 DATA_STUBNAME = dt
 I18N_STUBNAME = in
-LIBICU = $(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
+LIBICU = $(LIBPREFIX)$(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
 
 #SH### copied from Makefile.inc
 #SH## for icu-config to test with
@@ -127,7 +127,7 @@
 FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
 MIDDLE_SO_TARGET=$(FINAL_SO_TARGET)
 
-FINAL_IMPORT_LIB = $(dir $(SO_TARGET))lib$(notdir $(basename $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
+FINAL_IMPORT_LIB = $(dir $(SO_TARGET))$(notdir $(basename $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
 IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#
 MIDDLE_IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#
 
diff -Naur icu-orig/source/config/mh-mingw64 icu/source/config/mh-mingw64
--- icu-orig/source/config/mh-mingw64	2018-03-01 10:09:22.545432000 +0300
+++ icu/source/config/mh-mingw64	2018-03-01 10:09:23.060232900 +0300
@@ -41,8 +41,8 @@
 LD_SOOPTIONS= -Wl,-Bsymbolic
 
 ## Commands to make a shared library
-SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
-SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
+SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
+SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
 
 ## Compiler switch to embed a runtime search path
 LD_RPATH=	
@@ -63,19 +63,19 @@
 endif
 
 # Static library prefix and file extension
-LIBSICU = lib$(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
+LIBSICU = $(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
 A = a
 
 ## An import library is needed for z/OS and MSVC
 IMPORT_LIB_EXT = .dll.a
 
-LIBPREFIX=
+LIBPREFIX=lib
 
 # Change the stubnames so that poorly working FAT disks and installation programs can work.
 # This is also for backwards compatibility.
 DATA_STUBNAME = dt
 I18N_STUBNAME = in
-LIBICU = $(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
+LIBICU = $(LIBPREFIX)$(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
 
 #SH### copied from Makefile.inc
 #SH## for icu-config to test with
@@ -127,7 +127,7 @@
 FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
 MIDDLE_SO_TARGET=$(FINAL_SO_TARGET)
 
-FINAL_IMPORT_LIB = $(dir $(SO_TARGET))lib$(notdir $(basename $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
+FINAL_IMPORT_LIB = $(dir $(SO_TARGET))$(notdir $(basename $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
 IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#
 MIDDLE_IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#