--- Makefile.orig	2006-05-11 13:41:51.000000000 +0300
+++ Makefile	2007-05-23 16:42:19.000000000 +0300
@@ -5,7 +5,7 @@
 
 pam_foreground.so: pam_foreground.c
 	gcc -fPIC -O2 -Wall -c pam_foreground.c
-	ld -x --shared -o pam_foreground.so pam_foreground.o
+	ld -lpam -x --shared -o pam_foreground.so pam_foreground.o
 clean:
 	- rm *.o *.so check-foreground-console