diff -up gnome-keyring-2.20/configure.in.link-against-pam gnome-keyring-2.20/configure.in
--- gnome-keyring-2.20/configure.in.link-against-pam	2007-10-09 12:14:32.000000000 -0400
+++ gnome-keyring-2.20/configure.in	2007-10-09 12:15:15.000000000 -0400
@@ -243,6 +243,13 @@ if test "$enable_pam" != "no"; then
 	AC_CHECK_HEADER(security/pam_modules.h, have_pam=yes, have_pam=no)
 	if test "$enable_pam" = "yes" -a "$have_pam" = "no"; then
 		AC_MSG_ERROR(The PAM headers are missing)
+	elif test "$have_pam" = "yes"; then
+		old_LIBS=$LIBS
+		AC_CHECK_LIB(pam, pam_start, have_pam=yes, have_pam=no)
+		if test "$enable_pam" = "yes" -a "$have_pam" = "no"; then
+			AC_MSG_ERROR(The PAM library is missing)
+		fi
+		LIBS=$old_LIBS
 	fi
 fi
 
diff -up gnome-keyring-2.20/pam/Makefile.am.link-against-pam gnome-keyring-2.20/pam/Makefile.am
--- gnome-keyring-2.20/pam/Makefile.am.link-against-pam	2007-10-09 12:14:45.000000000 -0400
+++ gnome-keyring-2.20/pam/Makefile.am	2007-10-09 12:14:56.000000000 -0400
@@ -12,7 +12,8 @@ pam_gnome_keyring_la_SOURCES = \
 	gkr-pam-stubs.c
 
 pam_gnome_keyring_la_LIBADD = \
-	$(top_builddir)/common/libgkr-module-common.la
+	$(top_builddir)/common/libgkr-module-common.la \
+	-lpam
 	
 pam_gnome_keyring_la_LDFLAGS = \
 	-module -avoid-version \