diff -Naur mod_auth_xradius-0.4.6.old/configure.ac mod_auth_xradius-0.4.6/configure.ac
--- mod_auth_xradius-0.4.6.old/configure.ac	2012-06-12 11:08:55.776153937 +0200
+++ mod_auth_xradius-0.4.6/configure.ac	2012-06-12 11:09:08.798400381 +0200
@@ -4,6 +4,8 @@
 AC_PREREQ(2.53)
 AC_CONFIG_SRCDIR([src/mod_auth_xradius.c])
 AC_CONFIG_AUX_DIR(config)
+AC_CONFIG_MACRO_DIR([m4])
+LT_INIT
 OOO_MAINTAIN_MODE
 AM_MAINTAINER_MODE
 AC_CANONICAL_TARGET
@@ -15,7 +17,6 @@
 AC_PROG_CC
 AC_PROG_LD
 AC_PROG_INSTALL
-AC_PROG_RANLIB
 
 AP_VERSION=2.0.40
 CHECK_APACHE(,$AP_VERSION,
diff -Naur mod_auth_xradius-0.4.6.old/Makefile.am mod_auth_xradius-0.4.6/Makefile.am
--- mod_auth_xradius-0.4.6.old/Makefile.am	2012-06-12 11:08:55.777153955 +0200
+++ mod_auth_xradius-0.4.6/Makefile.am	2012-06-12 11:09:08.799400399 +0200
@@ -1,3 +1,4 @@
+ACLOCAL_AMFLAGS = -I m4
 AUTOMAKE_OPTIONS = foreign dist-bzip2
 
 LIBRADIUS_EXTRA = libradius/md5.h libradius/radlib.h \
@@ -17,19 +18,28 @@
 mod_auth_xradius_la_SOURCES = src/mod_auth_xradius.c src/xradius_cache.c
 mod_auth_xradius_la_CFLAGS = -Wall ${MODULE_CFLAGS}
 mod_auth_xradius_la_LDFLAGS = -rpath ${AP_LIBEXECDIR} -module -avoid-version ${MODULE_LIBS}
-mod_auth_xradius_la_LIBADD = libradius.la
+mod_auth_xradius_la_LIBADD = libxradius.la
 
 apachemod_LTLIBRARIES = mod_auth_xradius.la
 apachemoddir=${AP_LIBEXECDIR}
 
-noinst_LTLIBRARIES = libradius.la
-libradius_la_SOURCES = libradius/radlib.c libradius/md5c.c
-libradius_la_CFLAGS = ${MODULE_CFLAGS}
-libradius_la_LDFLAGS = ${MODULE_LIBS}
+lib_LTLIBRARIES = libxradius.la
+libxradius_la_SOURCES = libradius/radlib.c libradius/md5c.c
+libxradius_la_CFLAGS = ${MODULE_CFLAGS}
+libxradius_la_LDFLAGS = ${MODULE_LIBS}
+
+include_HEADERS = \
+    libradius/md5.h \
+    libradius/porting.h \
+    libradius/radlib.h \
+    libradius/radlib_private.h \
+    libradius/radlib_vs.h
 
 install: install-am
 	rm -f $(DESTDIR)${AP_LIBEXECDIR}/mod_auth_xradius.a
 	rm -f $(DESTDIR)${AP_LIBEXECDIR}/mod_auth_xradius.la
+	rm -f $(DESTDIR)${libdir}/libxradius.a
+	rm -f $(DESTDIR)${libdir}/libxradius.la
 	@echo ""
 	@echo "***********************************************"
 	@echo ""