ld.lld won't allow -shared -pie (it doesn't make sense anyway)

Index: Makefile.am
--- Makefile.am.orig
+++ Makefile.am
@@ -137,8 +137,7 @@ libcoap_include_HEADERS = \
 libcoap_@LIBCOAP_NAME_SUFFIX@_la_LDFLAGS =					\
   -version-info $(LT_LIBCOAP_CURRENT):$(LT_LIBCOAP_REVISION):$(LT_LIBCOAP_AGE)	\
   @libcoap_SYMBOLS@ \
-  $(DTLS_LIBS) \
-  -pie
+  $(DTLS_LIBS)
 
 ## Collect symbols here we want to ignore while building the helper files
 ## libcoap-$(LIBCOAP_API_VERSION).{map,sym} for the linker.