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ff819b108a
On filesystems with subsecond resolution, like ext4, we can't trust the timestamp of aconfig.h.in since autoheader leaves it truncated to second resolution (apparently touch -r and cp -p can do this at the very least) while configure has full subsecond resolution, so it can look newer even when it was cleanly created first, leading to the build system looping trying to recreate all of that again ... So in the initial stage of a clean build we can get something like this: $ make spotless $ make autoconf rm -rf MCONFIG configure config.log aconfig.h *.cache autoconf rm -f aconfig.h.in aconfig.h autoheader $ stat configure aconfig.h.in File: ‘configure’ Device: 807h/2055d Inode: 9443466 Links: 1 Access: 2014-07-31 03:27:27.599293442 +0930 Modify: 2014-07-31 03:27:27.711290270 +0930 Change: 2014-07-31 03:27:27.711290270 +0930 File: ‘aconfig.h.in’ Device: 807h/2055d Inode: 9443467 Links: 1 Access: 2014-07-31 03:27:27.000000000 +0930 Modify: 2014-07-31 03:27:27.000000000 +0930 Change: 2014-07-31 03:27:27.903284841 +0930 And with a parallel build, that can then leave 'make all' racing to remove and recreate aconfig.h (and possibly more things), while it begins to build the first targets. Which then fail horribly like we see here: https://buildd.debian.org/status/fetch.php?pkg=tftp-hpa&arch=i386&ver=5.2%2B20140608-1&stamp=1406736363 Possibly we also need to move the actual build job into the rule for the 'all' target, so that the build system update prerequisites are guaranteed to be completed before it runs (as opposed to running in parallel with them), but this change might be enough for now. Signed-off-by: Ron Lee <ron@debian.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> |
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|---|---|---|
| common | ||
| lib | ||
| tftp | ||
| tftpd | ||
| .gitignore | ||
| aclocal.m4 | ||
| autogen.sh | ||
| CHANGES | ||
| config.h | ||
| configure.in | ||
| INSTALL | ||
| install-sh | ||
| INSTALL.tftp | ||
| Makefile | ||
| MCONFIG.in | ||
| MRULES | ||
| README | ||
| README.security | ||
| release.sh | ||
| tftp-xinetd | ||
| tftp.spec.in | ||
| version | ||
This is tftp-hpa, a conglomerate of a number of versions of the BSD
TFTP code, changed around to port to a whole collection of operating
systems. The goal is to work on any reasonably modern Unix with
sockets.
The tftp-hpa series is maintained by H. Peter Anvin <hpa@zytor.com>.
The latest version of this collection can be found at:
ftp://ftp.kernel.org/pub/software/network/tftp/
See the file CHANGES for a list of changes between versions.
Please see the INSTALL and INSTALL.tftp files for compilation and
installation instructions.
===> IMPORTANT: IF YOU ARE UPGRADING FROM ANOTHER TFTP SERVER, OR FROM
===> A VERSION OF TFTP-HPA OLDER THAN 0.17 SEE THE FILE
===> "README.security" FOR IMPORTANT SECURITY MODEL CHANGES!
This software can be discussed on the SYSLINUX mailing list. To
subscribe, go to the list subscription page at:
http://www.zytor.com/mailman/listinfo/syslinux