--- origsrc/curl-7.71.1/tests/libtest/Makefile.am	2020-06-27 18:03:53.000000000 -0400
+++ src/curl-7.71.1/tests/libtest/Makefile.am	2020-08-14 14:33:04.434364600 -0400
@@ -118,7 +118,7 @@ if BUILD_STUB_GSS
 noinst_LTLIBRARIES += libstubgss.la
 
 libstubgss_la_CPPFLAGS = $(AM_CPPFLAGS)
-libstubgss_la_LDFLAGS = $(AM_LDFLAGS) -avoid-version -rpath /nowhere
+libstubgss_la_LDFLAGS = $(AM_LDFLAGS) -avoid-version -rpath /nowhere -no-undefined
 libstubgss_la_CFLAGS = $(AM_CFLAGS) -g
 
 libstubgss_la_SOURCES = stub_gssapi.c stub_gssapi.h