I M P O R T A N T

On HP-UX-11.x the maximal data size (allocated data) of a 32 bit program is
64 MB.

One solution is to build a 64 bit binary, for those the default process memory
limit is 1 GB - but I have no idea what arguments are needed to make the HP-UX
compiler create 64 bit binaries.

The other way is to alter some kernel parameters which require a reboot.
The default kernel parameter seem to look like:

Kernel param.               Value
maxdsiz                  67108864
maxdsiz_64bit          1073741824
maxfiles                      200
maxfiles_lim                 2048
maxssiz                   8388608
maxssiz_64bit             8388608
maxswapchunks                3250
maxtsiz                  67108864
maxtsiz_64bit          1073741824

The important one is maxdsiz, 64 MB is the default and it is rather low.
There is some information page at http://www.uwsg.iu.edu/hp/hpux-tune.html#maxdsiz 
and they recommend to increase it to 1.9 GB. Sounds extreme.

At http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x08afe7613948d5118fef0090279cd0f9,00.html 
they recommend 500 MB.

maxssiz shouldn't be a problem either since it has to do with swap and such as 
storing arrays and recursion etc.

If you like to know how to create 64 bit binaries on Solaris, please
read README.compile. I hope this helps. If you found the right way for HP-UX,
please send me a mail.



The Schily makefile system usually should be able to find the best C-compiler
on HP-UX automatically. If it does not work, here is a way force to use a different
compiler.


You may compile with the HP ANSI C-Compiler using:

	make CCOM=cc

To compile with the free K&R C-compiler call:

	gmake CCOM=cc 'COPTS= ' 
or
	smake CCOM=cc 'COPTS= ' 
/*--------------------------------------------------------------------------*/

HP-UX SCSI hints:

Note that there are no device nodes for userland SCSI on HP-UX,
you have to call the included shell script MKNOD.hpux first.

If you own a HP-9000-800 series machine, you need to install
the file MKNOD.hpux-800 in the /etc init shell script directory 
in order to call it after each boot.

This script will create the files in /dev/scsi/... and /dev/rscsi/...
The permissions will be set to read/write for root only.


HP does not handle CD-ROMs as well as it should. On the HP have a look at
the man pages for
    pfs
    pfsd
    pfs_mount
and anymore that they refer too.