--- Python-3.8.7/configure.ac.orig	2021-02-14 08:44:30.296278300 +0100
+++ Python-3.8.7/configure.ac	2021-02-14 08:44:39.824214800 +0100
@@ -1320,6 +1320,9 @@
 
 AC_MSG_RESULT($LDLIBRARY)
 
+AC_SUBST(WINDRES)
+AC_CHECK_TOOL(WINDRES, windres)
+
 AC_SUBST(AR)
 AC_CHECK_TOOLS(AR, ar aal, ar)
 
@@ -5858,10 +5858,17 @@
 case $host in
   *-*-mingw*)
     LIBS="$LIBS -lversion -lshlwapi -lpathcch"
+    RCFLAGS="$RCFLAGS -O COFF"
+    case $host in
+      i686*)  RCFLAGS="$RCFLAGS --target=pe-i386" ;;
+      x86_64*)  RCFLAGS="$RCFLAGS --target=pe-x86-64" ;;
+      *) ;;
+    esac
   ;;
   *)
   ;;
 esac
+AC_SUBST(RCFLAGS)
 
 # Availability of -O2:
 AC_MSG_CHECKING(for -O2)
diff -Naur Python-3.8.0-orig/Makefile.pre.in Python-3.8.0/Makefile.pre.in
--- Python-3.8.0-orig/Makefile.pre.in	2019-10-22 10:04:44.812737000 +0300
+++ Python-3.8.0/Makefile.pre.in	2019-10-22 10:04:51.177548200 +0300
@@ -38,6 +38,7 @@
 MAINCC=		@MAINCC@
 LINKCC=		@LINKCC@
 AR=		@AR@
+WINDRES=	@WINDRES@
 READELF=	@READELF@
 SOABI=		@SOABI@
 LDVERSION=	@LDVERSION@
@@ -119,6 +119,7 @@
 PY_CORE_LDFLAGS=$(PY_LDFLAGS) $(PY_LDFLAGS_NODIST)
 # Strict or non-strict aliasing flags used to compile dtoa.c, see above
 CFLAGS_ALIASING=@CFLAGS_ALIASING@
+RCFLAGS=@RCFLAGS@
 
 
 # Machine-dependent subdirectories
@@ -257,6 +258,7 @@
 
 PYTHON=		python$(EXE)
 BUILDPYTHON=	python$(BUILDEXE)
+BUILDPYTHONW=	pythonw$(BUILDEXE)
 
 PYTHON_FOR_REGEN?=@PYTHON_FOR_REGEN@
 UPDATE_FILE=@PYTHON_FOR_REGEN@ $(srcdir)/Tools/scripts/update_file.py
@@ -479,7 +481,7 @@
 
 # Default target
 all:		@DEF_MAKE_ALL_RULE@
-build_all:	check-clean-src $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks \
+build_all:	check-clean-src $(BUILDPYTHON) $(BUILDPYTHONW) oldsharedmods sharedmods gdbhooks \
 		Programs/_testembed python-config
 
 # Check that the source is clean when building out of source.
@@ -593,9 +595,24 @@
 clinic: check-clean-src $(srcdir)/Modules/_blake2/blake2s_impl.c
 	$(PYTHON_FOR_REGEN) $(srcdir)/Tools/clinic/clinic.py --make --srcdir $(srcdir)
 
+pythonnt_rc.h:
+	@echo '#define PYTHON_DLL_NAME "$(DLLLIBRARY)"' >> $@
+
+python_exe.o: pythonnt_rc.h $(srcdir)/PC/python_exe.rc
+	$(WINDRES) $(RCFLAGS) -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/python_exe.rc $@
+
+pythonw_exe.o: pythonnt_rc.h $(srcdir)/PC/pythonw_exe.rc
+	$(WINDRES) $(RCFLAGS) -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/pythonw_exe.rc $@
+
+python_nt.o: pythonnt_rc.h $(srcdir)/PC/python_nt.rc
+	$(WINDRES) $(RCFLAGS) -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/python_nt.rc $@
+
+$(BUILDPYTHONW): Programs/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY) pythonw_exe.o
+	$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -municode -mwindows -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) pythonw_exe.o
+
 # Build the interpreter
-$(BUILDPYTHON):	Programs/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY) $(EXPORTSYMS)
-	$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS)
+$(BUILDPYTHON):	Programs/python.o $(LIBRARY) $(LDLIBRARY) $(PY3LIBRARY) python_exe.o
+	$(LINKCC) $(PY_CORE_LDFLAGS) $(LINKFORSHARED) -municode -o $@ Programs/python.o $(BLDLIBRARY) $(LIBS) $(MODLIBS) $(SYSLIBS) python_exe.o
 
 platform: $(BUILDPYTHON) pybuilddir.txt
 	$(RUNSHARED) $(PYTHON_FOR_BUILD) -c 'import sys ; from sysconfig import get_platform ; print("%s-%d.%d" % (get_platform(), *sys.version_info[:2]))' >platform
@@ -705,10 +725,10 @@
 
 # This rule builds the Cygwin Python DLL and import library if configured
 # for a shared core library; otherwise, this rule is a noop.
-$(DLLLIBRARY) libpython$(LDVERSION).dll.a: $(LIBRARY_OBJS)
+$(DLLLIBRARY) libpython$(LDVERSION).dll.a: $(LIBRARY_OBJS) python_nt.o
 	if test -n "$(DLLLIBRARY)"; then \
 		$(LDSHARED) -Wl,--out-implib=$@ -o $(DLLLIBRARY) $^ \
-			$(LIBS) $(MODLIBS) $(SYSLIBS); \
+			$(LIBS) $(MODLIBS) $(SYSLIBS) python_nt.o; \
 	else true; \
 	fi
 
@@ -1315,6 +1335,7 @@
 	done
 	if test "$(PYTHONFRAMEWORKDIR)" = "no-framework" ; then \
 		$(INSTALL_PROGRAM) $(BUILDPYTHON) $(DESTDIR)$(BINDIR)/python$(LDVERSION)$(EXE); \
+		$(INSTALL_PROGRAM) $(BUILDPYTHONW) $(DESTDIR)$(BINDIR)/python3w$(EXE); \
 	else \
 		$(INSTALL_PROGRAM) $(STRIPFLAG) Mac/pythonw $(DESTDIR)$(BINDIR)/python$(LDVERSION)$(EXE); \
 	fi