https://github.com/xiph/speexdsp/pull/48
https://github.com/xiph/speexdsp/commit/dbd421d149a9c362ea16150694b75b63d757a521

From dbd421d149a9c362ea16150694b75b63d757a521 Mon Sep 17 00:00:00 2001
From: orbea <orbea@riseup.net>
Date: Tue, 4 Jun 2024 08:54:37 -0700
Subject: [PATCH] configure.ac: don't use internal GNU libtool functions

This doesn't work when using slibtoolize instead of GNU libtoolize and
is not necessary anyways.

Signed-off-by: orbea <orbea@riseup.net>
---
 configure.ac | 1 -
 1 file changed, 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index cd433ffe..413f71da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,6 @@ AM_INIT_AUTOMAKE([foreign no-define])
 AM_MAINTAINER_MODE([enable])
 
 AC_CANONICAL_HOST
-_LT_SET_OPTION([LT_INIT],[win32-dll])
 LT_INIT
 
 AC_C_BIGENDIAN