build: no need to save CFLAGS LDFLAGS when testing libevent

diff --git a/m4/libevent.m4 b/m4/libevent.m4
index 03ed8367e65ebfcee6ffcc0700b4c3669a6a0970..5b7d4fda3f820a2563229ca2e8e97d7d34ba80e4 100644 (file)
--- a/m4/libevent.m4
+++ b/m4/libevent.m4
@@ -3,9 +3,6 @@
 #
 
 AC_DEFUN([lldp_CHECK_LIBEVENT], [
-  _save_LIBS="$LIBS"
-  _save_CFLAGS="$CFLAGS"
-
   # First, try with pkg-config
   PKG_CHECK_MODULES([LIBEVENT], [libevent >= 2.0.5], [], [
     # No appropriate version, let's use the shipped copy