Re: libtool 1.5.10: AC_LIBTOOL_SYS_MAX_CMD_LEN causes system crash

[Peter O'Gorman]

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Dr. Hans Ekkehard Plesser wrote:
|
| Hi!
|
| AC_LIBTOOL_SYS_MAX_CMD_LEN reliably causes a system crash under Tru64 Unix,
| V5.1B-PK4 if the number of length of command line arguments is not limited
| (one can disable length checking with the proc:exec_disable_arg_limit kernel
| option).

Eeek! What kind of crash? Even though there is no limit on the length
libtool should stop looking at about half a megabyte and be happy, this
shouldn't be causing anything to crash :(


|
| I do not know if there is any explicit command in Tru64 to query the maximum
| length of the command line.  But if
|
| /sbin/sysconfig -q proc exec_disable_arg_limit
|
| returns
|
| proc:
| exec_disable_arg_limit = 1
|
| then the iterative test for the maximum length MUST NOT be run.  Otherwise,
| the system will crash.  I hope that a corresponding check will be integrated
| into future versions of libtool.
|
| My config: libtool 1.5.10, automake 1.9.4, autoconf 2.59.
|

Thanks for the report. I'll look at fixing this at the weekend (unless
someone else gets there first).

Peter
- --
Peter O'Gorman - http://www.pogma.com
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