From 0a26b53d728243dcc2e4253066903347c278d5cc Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.im>
Date: Wed, 16 Dec 2015 23:12:24 +0100
Subject: [PATCH] build: check for configure before trying to configure a
 subproject

---
 m4/config_subdirs.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/config_subdirs.m4 b/m4/config_subdirs.m4
index 95e58ee6..83d95946 100644
--- a/m4/config_subdirs.m4
+++ b/m4/config_subdirs.m4
@@ -8,7 +8,7 @@
 AC_DEFUN([lldp_CONFIG_SUBDIRS], [
   AC_CONFIG_SUBDIRS([$1])
   ac_dir="m4_normalize([$1])"
-  if test -d "$srcdir/$ac_dir"; then
+  if test -f "$srcdir/$ac_dir/configure"; then
     ac_sub_configure_args=
     ac_prev=
     eval "set x $ac_configure_args"
-- 
2.39.5