diff -Naur Python-3.8.0-orig/configure.ac Python-3.8.0/configure.ac
--- Python-3.8.0-orig/configure.ac	2019-10-22 10:01:07.206954700 +0300
+++ Python-3.8.0/configure.ac	2019-10-22 10:01:18.470174500 +0300
@@ -1204,6 +1204,13 @@
 	;;
 
   esac
+  case $host in
+    *-*-mingw*)
+        LDLIBRARY='libpython$(LDVERSION).dll.a'
+        DLLLIBRARY='libpython$(LDVERSION).dll'
+        BLDLIBRARY='-L. -lpython$(LDVERSION)'
+        ;;
+  esac
 else # shared is disabled
   PY_ENABLE_SHARED=0
   case $ac_sys_system in
@@ -1212,6 +1219,10 @@
           LDLIBRARY='libpython$(LDVERSION).dll.a'
           ;;
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(LDVERSION).a';;
+  esac
 fi
 
 if test "$cross_compiling" = yes; then
@@ -2760,6 +2771,12 @@
 		LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
 	*)	LDSHARED="ld";;
 	esac
+	case $host in
+	*-*-mingw*)
+		LDSHARED='$(CC) -shared -Wl,--enable-auto-image-base'
+		LDCXXSHARED='$(CXX) -shared -Wl,--enable-auto-image-base'
+		;;
+	esac
 fi
 AC_MSG_RESULT($LDSHARED)
 LDCXXSHARED=${LDCXXSHARED-$LDSHARED}
@@ -5478,7 +5495,8 @@
     dnl "errmap.h" from $srcdir/PC.
     dnl Note we cannot use BASECPPFLAGS as autogenerated pyconfig.h
     dnl has to be before customized located in ../PC.
-    CPPFLAGS="-I\$(srcdir)/PC $CPPFLAGS"
+    dnl (-I. at end is workaround for setup.py logic)
+    CPPFLAGS="-I\$(srcdir)/PC $CPPFLAGS -I."
     ;;
 esac
 
