add comment about backtrace requirement

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38357 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/support/debug.cpp b/src/support/debug.cpp
index 11dd243e1ae0deecb1cac5f372d28610f5f1196f..92d93bacd75309a549197b3e2947df1e24a8f6fd 100644 (file)
--- a/src/support/debug.cpp
+++ b/src/support/debug.cpp
@@ -23,6 +23,7 @@
 #include <iomanip>
 
 //#define LYX_CALLSTACK_PRINTING
+// must be linked with -rdynamic
 #ifdef LYX_CALLSTACK_PRINTING
 #include <stdio.h>
 #include <stdlib.h>