Index: configure.in
===================================================================
RCS file: /cvs/dbus/dbus/configure.in,v
retrieving revision 1.200
diff -u -3 -p -B -r1.200 configure.in
--- configure.in        12 Dec 2006 22:01:22 -0000      1.200
+++ configure.in        14 Dec 2006 07:54:32 -0000
@@ -568,6 +568,8 @@ AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_F

 AC_CHECK_HEADERS(errno.h)

+AC_CHECK_HEADERS(unistd.h)
+
 # checking for a posix version of getpwnam_r
 # if we are cross compiling and can not run the test
 # assume getpwnam_r is the posix version