SUMMARY: exec_disable_arg_limit=1 && libtool -> crash

From: Dr. Hans Ekkehard Plesser (hans.ekkehard.plesser_at_umb.no)
Date: 01/10/05

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    Date: Mon, 10 Jan 2005 17:52:48 +0100
To: tru64-unix-managers@ornl.gov

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    This is a summary to a question never asked, but I hope it is sufficiently
    helpful to be an admissible posting.

    The problem:
    Running configure for a package using the GNU Autotools crashes my GS1280,
    Tru64 V5.1B PK4 with "System panic: panic (cpu 0): Bigpage Assert Failure".
    Bigpage support is enabled on my machine.

    The cause:
    The package uses libtool, and thus runs the AM_PROG_LIBTOOL macro as part of
    configure, which in turn calls AC_LIBTOOL_SYS_MAX_CMD_LEN. The latter macro
    tries to determine iteratively how long a command line may be. Now I had
    configured my system with proc:exec_disable_arg_limit=1, ie, permitting
    infinitely long command line arguments.

    I have posted a pertaining bug report on the libtool mailing list and hope
    they'll fix the macro.

    Two questions/suggestions in this respect:
    - - Is there a command to directly query the maximum command line length?
    - - Could HP introduce a tunable limit for the length, instead of just a
      limit/no-limit switch?

    Best regards,
    Hans

    - --
    Dr. Hans Ekkehard Plesser
    Associate Professor
    Dept. of Mathematical Sciences and Technology
    Norwegian University of Life Sciences
    Phone +47 6494 8832
    Fax +47 6494 8810
    Home http://arken.umb.no/~imfhep

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