Increase cbuff size

diff --git a/src/lib/debug.c b/src/lib/debug.c
index 1947325..3b13472 100644 (file)
--- a/src/lib/debug.c
+++ b/src/lib/debug.c
@@ -54,8 +54,12 @@
 #endif
 
 #ifdef HAVE_EXECINFO
-#  define MAX_BT_FRAMES 128
-#  define MAX_BT_CBUFF  65536                          //!< Should be a power of 2
+#  ifndef MAX_BT_FRAMES
+#    define MAX_BT_FRAMES 128
+#  endif
+#  ifndef MAX_BT_CBUFF
+#    define MAX_BT_CBUFF  1048576                      //!< Should be a power of 2
+#  endif
 
 #  ifdef HAVE_PTHREAD_H
 static pthread_mutex_t fr_debug_init = PTHREAD_MUTEX_INITIALIZER;