From 7e03f04cc703561912e4ae2bc0540d7495f7ec5e Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 17 Apr 2018 16:53:35 +0200
Subject: [PATCH] rec: Add -rdynamic to C{,XX}FLAGS when we build with LuaJIT

We need that to get the FFI symbols exported.
---
 pdns/recursordist/configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pdns/recursordist/configure.ac b/pdns/recursordist/configure.ac
index ed1e388fe..a5cc52333 100644
--- a/pdns/recursordist/configure.ac
+++ b/pdns/recursordist/configure.ac
@@ -100,6 +100,13 @@ PDNS_ENABLE_UNIT_TESTS
 PDNS_ENABLE_REPRODUCIBLE
 
 PDNS_WITH_LUA([mandatory])
+AS_IF([test "x$LUAPC" = "xluajit"], [
+  # export all symbols to be able to use the Lua FFI interface
+  AC_MSG_NOTICE([Adding -rdynamic to export all symbols for the Lua FFI interface])
+  CFLAGS="$CFLAGS -rdynamic"
+  CXXFLAGS="$CXXFLAGS -rdynamic"
+])
+
 PDNS_CHECK_LUA_HPP
 
 PDNS_ENABLE_VERBOSE_LOGGING
-- 
2.50.1