diff -urN wpa_supplicant-2.0.ori/src/eap_peer/tncc.c wpa_supplicant-2.0/src/eap_peer/tncc.c
--- wpa_supplicant-2.0.ori/src/eap_peer/tncc.c	2013-01-12 16:42:53.000000000 +0100
+++ wpa_supplicant-2.0/src/eap_peer/tncc.c	2013-03-23 13:10:22.151059154 +0100
@@ -465,7 +465,7 @@
 		return -1;
 	}
 #else /* CONFIG_NATIVE_WINDOWS */
-	imc->dlhandle = dlopen(imc->path, RTLD_LAZY);
+	imc->dlhandle = dlopen(imc->path, RTLD_LAZY | RTLD_GLOBAL);
 	if (imc->dlhandle == NULL) {
 		wpa_printf(MSG_ERROR, "TNC: Failed to open IMC '%s' (%s): %s",
 			   imc->name, imc->path, dlerror());
diff -urN wpa_supplicant-2.0.ori/wpa_supplicant/defconfig wpa_supplicant-2.0/wpa_supplicant/defconfig
--- wpa_supplicant-2.0.ori/wpa_supplicant/defconfig	2013-01-12 16:42:53.000000000 +0100
+++ wpa_supplicant-2.0/wpa_supplicant/defconfig	2013-03-23 13:06:08.759052370 +0100
@@ -86,7 +86,7 @@
 CONFIG_DRIVER_WEXT=y
 
 # Driver interface for Linux drivers using the nl80211 kernel interface
-CONFIG_DRIVER_NL80211=y
+#CONFIG_DRIVER_NL80211=y
 
 # Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
 #CONFIG_DRIVER_BSD=y
@@ -193,7 +193,7 @@
 #CONFIG_EAP_GPSK_SHA256=y
 
 # EAP-TNC and related Trusted Network Connect support (experimental)
-#CONFIG_EAP_TNC=y
+CONFIG_EAP_TNC=y
 
 # Wi-Fi Protected Setup (WPS)
 #CONFIG_WPS=y
diff -urN wpa_supplicant-2.0.ori/wpa_supplicant/Makefile wpa_supplicant-2.0/wpa_supplicant/Makefile
--- wpa_supplicant-2.0.ori/wpa_supplicant/Makefile	2013-01-12 16:42:53.000000000 +0100
+++ wpa_supplicant-2.0/wpa_supplicant/Makefile	2013-03-23 13:06:08.759052370 +0100
@@ -6,8 +6,8 @@
 CFLAGS = -MMD -O2 -Wall -g
 endif
 
-export LIBDIR ?= /usr/local/lib/
-export BINDIR ?= /usr/local/sbin/
+export LIBDIR ?= /usr/lib/
+export BINDIR ?= /usr/sbin/
 PKG_CONFIG ?= pkg-config
 
 CFLAGS += -I../src