Hi,
I've reversed the order of the checks, so that version goes first.
This way, your system bjam will fail the version check (as, apparently,
it should) before it gets to --help.
Kenneth
On 07/25/12 12:14, Tom Hoar wrote:
> I built a new machine with Ubuntu 12.04 Server. I learned the default
> setup installs bjam. (all my previous installs were on systems without
> bjam installs).
>
> ~$ bjam --version
> Boost.Build V2 (Milestone 12)
> Boost.Jam 03.1.19
>
> I'm using the last 20 July commit of Moses. My bjam command line is:
>
> src/mosesdecoder$ sudo ./bjam -j4 -a --debug-configuration
> --with-xmlrpc-c --prefix="/usr/local/lib/mosesdecoder"
> --install-scripts="/usr/local/lib/mosesdecoder/scripts"
> --with-irstlm=/usr/local --with-randlm=/usr/local --with-srilm=/usr/local
>
> The system hung with no stderr or stdout output. Top showed a single
> instance of cc1plus (not four per -j4) and it hung for about 30 minutes
> before I hit Ctrl-C. I traced the problem to the moses bjam shell
> script. If I remove the two lines "${bjam}" --help & --version, the
> compile completes fine.
>
> if
> bjam="$(which bjam 2>/dev/null)" && #exists
> [ ${#bjam} != 0 ] && #paranoia about which printing nothing then
> returning true
> ! grep UFIHGUFIHBDJKNCFZXAEVA "${bjam}" </dev/null >/dev/null #bjam in
> path isn't this script
> then
> #Delegate to system bjam
> exec "${bjam}" "$@"
> fi
>
> In my case, "${bjam}" resolves to /usr/bin/bjam. More troubleshooting found:
>
> 1) the "/usr/bin/bjam --help" command ignores the --help argument and
> tries to process the Jamfiles in the default folder. When issuing the
> "/usr/bin/bjam --help" command from a default folder without any
> Jamfiles, the command terminates and reports "error: error: no Jamfile
> in current directory found, and no target references specified." From
> the Moses folder and with the Bash script redirecting both stderr and
> stdout to /dev/null, started processing without the command line scripts
> and system hung.
>
> 2) The --version output is a different format than the "grep" search
> expects and the bjam Bash script skips the system bjam installation and
> moves on to the bjam distributedwith Moses.
>
> For my purposes, I will remove the two lines. For the main trunk, the
> --help command should be removed at a minimum. The grep line would have
> to be re-designed to handle the new report format if you really need to
> identify the Boost version.
>
> Tom
>
>
>
> _______________________________________________
> Moses-support mailing list
> [email protected]
> http://mailman.mit.edu/mailman/listinfo/moses-support
_______________________________________________
Moses-support mailing list
[email protected]
http://mailman.mit.edu/mailman/listinfo/moses-support
