--- libelwix/configure.in	2015/07/01 21:48:39	1.29
+++ libelwix/configure.in	2019/09/24 15:49:52	1.51
@@ -1,8 +1,8 @@
 #
 # $Author: misho $
-# $Id: configure.in,v 1.29 2015/07/01 21:48:39 misho Exp $
+# $Id: configure.in,v 1.51 2019/09/24 15:49:52 misho Exp $
 #
-AC_INIT(libelwix, 3.8, misho@elwix.org)
+AC_INIT(libelwix, 4.21, misho@elwix.org)
 AC_CONFIG_SRCDIR([src/elwix.c])
 AC_CONFIG_HEADERS([inc/config.h])
 
@@ -17,7 +17,7 @@ AC_PROG_RANLIB
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
-AC_CHECK_TOOL(MKDEP, mkdep, no)
+AC_CHECK_TOOL(MKDEP, mkdep, ../mkdep)
 AC_SUBST(MKDEP)
 
 CFLAGS="-Wall -O2 -fPIC ${CFLAGS}"
@@ -34,7 +34,7 @@ AC_C_INLINE
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_REALLOC
-AC_CHECK_FUNCS([memset regcomp strchr strerror])
+AC_CHECK_FUNCS([memset regcomp strchr strerror link_addr])
 
 DEBUG=no
 AC_MSG_CHECKING(Debug Build)