diff --git a/configure.ac b/configure.ac
index 5ea03a3ef3eafaa2164f995068ac1e283fbd916e..0b82d3778adeb4647fa6471e346b7720df804510 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,6 +167,9 @@ else
 fi
 AM_CONDITIONAL(LDAP_PLUGIN, test "$have_ldap_plugin" = "yes")
 
+CFLAGS="$CFLAGS $EXTRA_CFLAGS"
+LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
+
 AC_CONFIG_FILES([
 Makefile
 doc/Makefile