don't forget to define HAVE_BACKTRACE

Signed-off-by: YAMAMOTO Takashi <[email protected]> Signed-off-by: Ben Pfaff <[email protected]>
eyoung-father · May 21, 2013 · 3453ed2 · 3453ed2
1 parent bc14636
commit 3453ed2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
@@ -169,7 +169,9 @@ AC_DEFUN([OVS_CHECK_DBDIR],
 
 dnl Defines HAVE_BACKTRACE if backtrace() is found.
 AC_DEFUN([OVS_CHECK_BACKTRACE],
-  [AC_SEARCH_LIBS([backtrace], [execinfo ubacktrace])])
+  [AC_SEARCH_LIBS([backtrace], [execinfo ubacktrace],
+                  [AC_DEFINE([HAVE_BACKTRACE], [1],
+                             [Define to 1 if you have backtrace(3).])])])
 
 dnl Checks for __malloc_hook, etc., supported by glibc.
 AC_DEFUN([OVS_CHECK_MALLOC_HOOKS],