--- a/src/mod/event_handlers/mod_radius_cdr/Makefile.am
+++ b/src/mod/event_handlers/mod_radius_cdr/Makefile.am
@@ -20,7 +20,7 @@ $(RADCLIENT_DIR):
 
 $(RADCLIENT_BUILDDIR)/Makefile: $(RADCLIENT_DIR)
 	mkdir -p $(RADCLIENT_BUILDDIR)
-	cd $(RADCLIENT_BUILDDIR) && $(DEFAULT_VARS) $(RADCLIENT_DIR)/configure $(DEFAULT_ARGS) --srcdir=$(RADCLIENT_DIR)
+	cd $(RADCLIENT_BUILDDIR) && patch -p1 < ../../src/mod/event_handlers/mod_radius_cdr/freeradius-client-1.1.6-configure-in.diff && autoreconf -v -f -i -s && $(DEFAULT_VARS) CFLAGS+="-Wno-cpp" $(RADCLIENT_DIR)/configure $(DEFAULT_ARGS) --srcdir=$(RADCLIENT_DIR)
 	$(TOUCH_TARGET)
 
 $(RADCLIENT_LA): $(RADCLIENT_BUILDDIR)/Makefile
--- /dev/null
+++ b/src/mod/event_handlers/mod_radius_cdr/freeradius-client-1.1.6-configure-in.diff
@@ -0,0 +1,32 @@
+diff --git a/configure.in b/configure.in
+index 4f194bd..647e9b9 100644
+--- a/configure.in
++++ b/configure.in
+@@ -209,7 +209,7 @@ AC_CHECK_FUNCS(stricmp random rand snprintf vsnprintf)
+ if test "$ac_cv_func_uname" = 'yes'
+ then
+ 	AC_MSG_CHECKING([for field domainname in struct utsname])
+-	AC_TRY_RUN([
++	AC_COMPILE_IFELSE([
+ 	#include <sys/utsname.h>
+ 	
+ 	main(int argc, char **argv)
+@@ -224,13 +224,11 @@ then
+ 	)
+ fi
+ 
+-AC_MSG_CHECKING([for /dev/urandom])
+-if test -c /dev/urandom
+-then
+-	AC_MSG_RESULT(yes)
+-	AC_DEFINE(HAVE_DEV_URANDOM)
+-else
+-	AC_MSG_RESULT(no)
++AC_CACHE_CHECK([/dev/urandom], [ac_cv_dev_urandom],
++  [ac_cv_dev_urandom=no
++   if test -c /dev/urandom; then ac_cv_dev_urandom=yes; fi])
++if test $ac_cv_dev_urandom = yes; then
++  AC_DEFINE(HAVE_DEV_URANDOM)
+ fi
+ 
+ dnl Determine PATH setting