diff options
Diffstat (limited to 'm4/openvswitch.m4')
| -rw-r--r-- | m4/openvswitch.m4 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 index 78d70fb4e..79e0be5a3 100644 --- a/m4/openvswitch.m4 +++ b/m4/openvswitch.m4 @@ -637,3 +637,13 @@ AC_DEFUN([OVS_CHECK_UNBOUND], fi AM_CONDITIONAL([HAVE_UNBOUND], [test "$HAVE_UNBOUND" = yes]) AC_SUBST([HAVE_UNBOUND])]) + +dnl Checks for libunwind. +AC_DEFUN([OVS_CHECK_UNWIND], + [AC_CHECK_LIB(unwind, unw_backtrace, [HAVE_UNWIND=yes], [HAVE_UNWIND=no]) + if test "$HAVE_UNWIND" = yes; then + AC_DEFINE([HAVE_UNWIND], [1], [Define to 1 if unwind is detected.]) + LIBS="$LIBS -lunwind" + fi + AM_CONDITIONAL([HAVE_UNWIND], [test "$HAVE_UNWIND" = yes]) + AC_SUBST([HAVE_UNWIND])]) |