From a981063ebac4a71a29ac47a8a8094b38d26cc960 Mon Sep 17 00:00:00 2001
From: Thien-Thi Nguyen <ttn@gnu.org>
Date: Tue, 2 Mar 2021 23:38:06 -0500
Subject: [PATCH] [build slog] Rework libtool initialization

* configure.ac (AC_LIBTOOL_WIN32_DLL): Delete.
(AC_LIBTOOL_DLOPEN): Likewise.
(AC_PROG_LIBTOOL): Likewise.
(LT_INIT): New macro call.
---
 configure.ac | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index 08f2eeeb2..76a1a1971 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,8 +73,6 @@ AC_CANONICAL_HOST
 
 AB_INIT
 
-AC_LIBTOOL_WIN32_DLL
-
 AC_PROG_INSTALL
 AC_PROG_CC
 AC_PROG_CPP
@@ -87,8 +85,7 @@ AC_PROG_CC
 # for per-target cflags in the libguile subdir
 AM_PROG_CC_C_O
 
-AC_LIBTOOL_DLOPEN
-AC_PROG_LIBTOOL
+LT_INIT([win32-dll dlopen])
 AC_CHECK_LIB([ltdl], [lt_dlinit], ,
   [AC_MSG_ERROR([libltdl not found.  See README.])])
 AC_CHECK_HEADER([ltdl.h], [],
@@ -1576,7 +1573,7 @@ AC_SUBST([LIBLOBJS])
 AC_SUBST([EXTRA_DOT_DOC_FILES])
 AC_SUBST([EXTRA_DOT_X_FILES])
 
-dnl See also top_builddir in info node: (libtool)AC_PROG_LIBTOOL
+dnl See also top_builddir in info node: (libtool)LT_INIT
 top_builddir_absolute=`pwd`
 AC_SUBST([top_builddir_absolute])
 top_srcdir_absolute=`(cd $srcdir && pwd)`