From 3bd8419597b44dc3da2b1e6ffc2c7ee9cf4aa195 Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Thu, 13 Aug 2020 23:13:05 +0000
Subject: [PATCH] flua: support "require" for binary objects in the base system

Export symbols from flua, and enable dlopen.

Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D26059
---
 lib/liblua/luaconf.h  | 1 +
 libexec/flua/Makefile | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/lib/liblua/luaconf.h b/lib/liblua/luaconf.h
index db6f3222f10..6226e8ab1e8 100644
--- a/lib/liblua/luaconf.h
+++ b/lib/liblua/luaconf.h
@@ -75,6 +75,7 @@
 /* Local modifications: need io.popen */
 #ifdef __FreeBSD__
 #define LUA_USE_POSIX
+#define LUA_USE_DLOPEN
 #endif
 
 /*
diff --git a/libexec/flua/Makefile b/libexec/flua/Makefile
index a4dc916e783..3efb75044b0 100644
--- a/libexec/flua/Makefile
+++ b/libexec/flua/Makefile
@@ -38,4 +38,6 @@ SRCS+=	lua_ucl.c
 CFLAGS+=	-I${UCLSRC}/include -I${UCLSRC}/src -I${UCLSRC}/uthash
 LIBADD+=	ucl
 
+LDFLAGS+=	-Wl,-E
+
 .include <bsd.prog.mk>
-- 
2.45.0