extra tools: update libtool, autoconf, m4

Change-Id: I8cfa538337470fa01c4e5f9fddb5df9c67e61456

extras/tools/packages.mak

@@ -9,16 +9,16 @@ YASM_URL=https://www.tortall.net/projects/yasm/releases/yasm-$(YASM_VERSION).tar
 CMAKE_VERSION=3.22.1
 CMAKE_URL=https://github.com/Kitware/CMake/releases/download/v$(CMAKE_VERSION)/cmake-$(CMAKE_VERSION).tar.gz
 
-LIBTOOL_VERSION=2.4.6
+LIBTOOL_VERSION=2.4.7
 LIBTOOL_URL=$(GNU)/libtool/libtool-$(LIBTOOL_VERSION).tar.xz
 
-AUTOCONF_VERSION=2.69
+AUTOCONF_VERSION=2.71
 AUTOCONF_URL=$(GNU)/autoconf/autoconf-$(AUTOCONF_VERSION).tar.gz
 
 AUTOMAKE_VERSION=1.16.5
 AUTOMAKE_URL=$(GNU)/automake/automake-$(AUTOMAKE_VERSION).tar.gz
 
-M4_VERSION=1.4.18
+M4_VERSION=1.4.19
 M4_URL=$(GNU)/m4/m4-$(M4_VERSION).tar.gz
 
 PKGCFG_VERSION=0.28-1