diff -rupN LibRaw-0.19.3/configure.ac LibRaw-0.19.3-new/configure.ac
--- LibRaw-0.19.3/configure.ac 2019-07-03 08:28:00.000000000 +0200
+++ LibRaw-0.19.3-new/configure.ac 2019-07-08 13:06:49.564121975 +0200
@@ -7,7 +7,7 @@ AC_CONFIG_MACRO_DIR([m4])
# Tools to use
AC_PROG_CXX
AC_PROG_CC
-AC_PROG_LIBTOOL
+LT_INIT
AC_ENABLE_SHARED
AC_ENABLE_STATIC
AC_LIBTOOL_WIN32_DLL