diff -up Linux-PAM-1.3.1/doc/Makefile.am.noflex Linux-PAM-1.3.1/doc/Makefile.am
--- Linux-PAM-1.3.1/doc/Makefile.am.noflex	2017-02-10 11:10:15.000000000 +0100
+++ Linux-PAM-1.3.1/doc/Makefile.am	2018-05-18 14:53:50.300997606 +0200
@@ -2,7 +2,7 @@
 # Copyright (c) 2005, 2006 Thorsten Kukuk <kukuk@suse.de>
 #
 
-SUBDIRS = man specs sag adg mwg
+SUBDIRS = man sag adg mwg
 
 CLEANFILES = *~
 
diff -up Linux-PAM-1.3.1/Makefile.am.noflex Linux-PAM-1.3.1/Makefile.am
--- Linux-PAM-1.3.1/Makefile.am.noflex	2018-05-18 14:53:50.301997629 +0200
+++ Linux-PAM-1.3.1/Makefile.am	2018-05-18 14:55:31.576353800 +0200
@@ -4,7 +4,7 @@
 
 AUTOMAKE_OPTIONS = 1.9 gnu dist-bzip2 dist-xz check-news
 
-SUBDIRS = libpam tests libpamc libpam_misc modules po conf doc examples xtests
+SUBDIRS = libpam tests libpamc libpam_misc modules po doc examples xtests
 
 CLEANFILES = *~