--- debian/rules.old	2009-09-15 09:31:12.000000000 +0900
+++ debian/rules	2009-09-15 09:29:28.000000000 +0900
@@ -17,6 +17,9 @@
 	TPMFLAGS = --enable-opencryptoki
 endif
 
+# libgpgme need Largefile support
+CFLAGS += -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+
 clean: unpatch
 	dh_testdir
 	dh_testroot