diff -r 0a2fa748727e -r db26e387b70b configure.ac
--- a/configure.ac	Sat Jan 14 18:22:06 2012 +0100
+++ b/configure.ac	Fri Jan 13 12:24:55 2012 +0100
@@ -124,6 +124,7 @@
 
 ACX_CHECK_PROGS_REQ([bison], [bison])
 ACX_CHECK_PROGS_REQ([flex], [flex])
+ACX_CHECK_PROGS_REQ([gperf], [gperf])
 ACX_CHECK_PROGS_REQ([awk], [gawk mawk nawk awk])
 ACX_CHECK_PROGS_REQ([makeinfo], [makeinfo])
 ACX_CHECK_PROGS_REQ([cut], [cut])