--- shadow-4.9/libmisc/Makefile.am.orig	2021-08-06 16:42:04.525501134 -0400
+++ shadow-4.9/libmisc/Makefile.am	2021-08-06 16:42:52.942534930 -0400
@@ -77,3 +77,4 @@ if WITH_BTRFS
 libmisc_la_SOURCES += btrfs.c
 endif
 
+libmisc_la_LIBADD = -lpam
--- shadow-4.9/libsubid/Makefile.am.orig	2021-08-06 16:40:31.536516277 -0400
+++ shadow-4.9/libsubid/Makefile.am	2021-08-06 17:03:37.476114690 -0400
@@ -21,7 +21,7 @@ MISCLIBS = \
 libsubid_la_LIBADD = \
 	$(top_builddir)/lib/libshadow.la \
 	$(top_builddir)/libmisc/libmisc.la \
-	$(MISCLIBS) -ldl
+	$(MISCLIBS) -ldl -lpam -lpam_misc
 
 AM_CPPFLAGS = \
 	-I${top_srcdir}/lib \