From 234ab4e70db430ced3004c3f4026f1f300ebcc38 Mon Sep 17 00:00:00 2001
From: Daniel Danzberger <daniel@dd-wrt.com>
Date: Wed, 12 Feb 2020 13:24:18 +0100
Subject: [PATCH] Add missing library libdl when linking

This fixes undefined reference errors for libdl functions
when linking against -libbbfdm

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>
---
 bin/Makefile.am | 1 +
 configure.ac    | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/bin/Makefile.am b/bin/Makefile.am
index 7fbcaa53..f70bcf22 100644
--- a/bin/Makefile.am
+++ b/bin/Makefile.am
@@ -134,6 +134,7 @@ libbbfdm_la_LIBADD =		\
 	$(LIBJSON_LIBS)			\
 	$(LIBTRACE_LIBS)		\
 	$(LBLOBMSG_LIBS) 		\
+	$(LIBDLOPEN_LIBS) 		\
 	-lbbf_api
 
 libbbfdm_la_CFLAGS+=-I../
diff --git a/configure.ac b/configure.ac
index c47f4faf..610fdd4f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,6 +73,9 @@ AC_DEFINE(DM_USE_LIBUBUS)
 LBLOBMSG_LIBS='-lblobmsg_json'
 AC_SUBST([LBLOBMSG_LIBS])
 
+LIBDLOPEN_LIBS='-ldl'
+AC_SUBST([LIBDLOPEN_LIBS])
+
 # checks for header files
 AC_CHECK_HEADERS([stdlib.h string.h])