diff -rupN --no-dereference sqlite-src-3440100/configure.ac sqlite-src-3440100-new/configure.ac
--- sqlite-src-3440100/configure.ac 2023-11-22 15:53:46.000000000 +0100
+++ sqlite-src-3440100-new/configure.ac 2024-04-30 10:24:19.584050909 +0200
@@ -240,7 +240,7 @@ else
fi
AC_SUBST(SQLITE_THREADSAFE)
-if test "$SQLITE_THREADSAFE" = "1"; then
+if test "$SQLITE_THREADSAFE" = "1" -a "$SQLITE_OS_UNIX" = "1" ; then
AC_SEARCH_LIBS(pthread_create, pthread)
AC_SEARCH_LIBS(pthread_mutexattr_init, pthread)
fi