scripts: correctly warn when the local tarballs directory does not exist
Warn about a missing local tarball directory, only if it was configured.
Avoid the spurious message:
Directory '${CT_LOCAL_TARBALLS_DIR}' does not exist.
Will not save downloaded tarballs to local storage.
Thanks to "Pedro I. Sanchez" <psanchez@colcan.ca> for pointing out the
issue:
http://sourceware.org/ml/crossgcc/2009-12/msg00011.html
1 diff -dur strace-4.5.15.orig/net.c strace-4.5.15/net.c
2 --- strace-4.5.15.orig/net.c 2006-12-13 20:57:23.000000000 +0100
3 +++ strace-4.5.15/net.c 2007-07-14 19:29:36.000000000 +0200
7 static const struct xlat sockpacketoptions[] = {
8 +#if defined(PACKET_ADD_MEMBERSHIP)
9 { PACKET_ADD_MEMBERSHIP, "PACKET_ADD_MEMBERSHIP" },
11 +#if defined(PACKET_DROP_MEMBERSHIP)
12 { PACKET_DROP_MEMBERSHIP, "PACKET_DROP_MEMBERSHIP"},
14 #if defined(PACKET_RECV_OUTPUT)
15 { PACKET_RECV_OUTPUT, "PACKET_RECV_OUTPUT" },