[DAHDI] build dahdi driver only if dahdi header is present
diff --git a/openbsc/src/e1_input.c b/openbsc/src/e1_input.c
index 8233878..def6aca 100644
--- a/openbsc/src/e1_input.c
+++ b/openbsc/src/e1_input.c
@@ -54,6 +54,8 @@
#include <openbsc/signal.h>
#include <openbsc/misdn.h>
+#include "../bscconfig.h"
+
#define NUM_E1_TS 32
/* list of all E1 drivers */
@@ -622,5 +624,7 @@
register_signal_handler(SS_GLOBAL, e1i_sig_cb, NULL);
e1inp_misdn_init();
+#ifdef HAVE_DAHDI_USER_H
e1inp_dahdi_init();
+#endif
}