--- Makefile.am.old	2015-09-06 00:16:38.997836415 +0800
+++ Makefile.am	2015-09-06 01:05:00.376009752 +0800
@@ -133,6 +133,7 @@
 	$(CCLD) -o tests/cgm-concurrent tests/cgm-concurrent.o \
 		$(NIH_LIBS) $(NIH_DBUS_LIBS) $(DBUS_LIBS) -lpthread -lcgmanager
 
+if HAVE_PAMMODULE
 pam_LTLIBRARIES = pam_cgm.la
 pam_cgm_la_SOURCES = pam/pam_cgm.c pam/cgmanager.c pam/cgmanager.h
 pam_cgm_la_CFLAGS = $(AM_CFLAGS)
@@ -145,4 +146,6 @@
 	rm -f "$(DESTDIR)$(pamdir)/pam_cgm.a"
 uninstall-local:
 	rm -f "$(DESTDIR)$(pamdir)/pam_cgm.so"
+endif
+
 tests: TESTS_CGM_CONCURRENT TESTS_SCM TEST_NSTEST
--- configure.ac.old	2015-09-06 00:55:48.262972928 +0800
+++ configure.ac	2015-09-06 01:04:19.683301852 +0800
@@ -127,6 +127,11 @@
 
 AS_AC_EXPAND(SBINDIR, "$sbindir")
 
+AC_ARG_ENABLE(pam-module,
+	[AS_HELP_STRING([--enable-pam-module],[build PAM module])],
+	, enable_pam_module=no)
+AM_CONDITIONAL([HAVE_PAMMODULE], [test "x$enable_pam_module" != "xno" ])
+
 AC_ARG_WITH(
 	[pamdir],
 	[AS_HELP_STRING([--with-pamdir=PATH],[Specify the directory where PAM modules are stored])],