--- configure.in.orig	Tue Feb 22 17:48:11 2000
+++ configure.in	Sat Mar 18 18:10:52 2000
@@ -31,7 +31,7 @@
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(fcntl.h unistd.h set.h)
+AC_CHECK_HEADERS(fcntl.h unistd.h)
 
 
 dnl Checks for typedefs, structures, and compiler characteristics.