diff -rupN --no-dereference libspatialite-5.1.0/configure.ac libspatialite-5.1.0-new/configure.ac
--- libspatialite-5.1.0/configure.ac	2023-08-04 09:51:40.000000000 +0200
+++ libspatialite-5.1.0-new/configure.ac	2023-08-04 16:55:58.839352664 +0200
@@ -498,7 +498,7 @@ AM_CONDITIONAL(MODULE_ONLY, [test x"$ena
 #-----------------------------------------------------------------------
 
 # Checking for MinGW
-AM_CONDITIONAL([MINGW], [test "$target_alias" = "mingw32"])
+AM_CONDITIONAL([MINGW], [[[[ "$target_alias" = *"mingw32" ]]]])
 # Checking for Mac OsX
 AM_CONDITIONAL([MACOSX], [test "$target_alias" = "macosx"])
 # Checking for Android
diff -rupN --no-dereference libspatialite-5.1.0/test/scandir4win.h libspatialite-5.1.0-new/test/scandir4win.h
--- libspatialite-5.1.0/test/scandir4win.h	2023-08-04 09:51:40.000000000 +0200
+++ libspatialite-5.1.0-new/test/scandir4win.h	2023-08-04 16:55:58.839352664 +0200
@@ -11,7 +11,7 @@ even implied
 
 #ifdef _WIN32
 
-#include <Windows.h>
+#include <windows.h>
 #include <stdio.h>
 #include <sys/types.h>