[parisc-linux] HP-UX application support?
MEYER,ALAN C. (HP-FtCollins,ex1)
Mon, 28 Feb 2000 17:08:50 -0700
> > Can someone plz clarify what will be supported:
> > * 64-bit/ELF HP-UX applications
> > * 32-bit/SOM HP-UX applications
> We intend to support both of the above; in addition we also intend to
> support 32 bit ELF Linux applications and, eventually, 64 bit
> ELF Linux applications. In case anyone didn't realise it, the
> current executables we use are 32-bit SOM HP-UX applications.
> Admittedly, the current sash we have implements `-mount' by
> calling a linux syscall, but that's only one command.
Yeah, I have loosely followed the interesting path taken with the toolchain
to get, eventually, to 64-bit ELF Linux apps. But, there could be a
difference between what had to be done during development vs. wanting to
support it. From HP's view, of course, supporting 32-bit SOM HP-UX apps is
On a related note, is there any intention to support development of HP-UX
applications on PA/Linux? Sure, a gcc cross-compiler could be created for
this. But, my assumption is that PA/Linux would be a deployment environment
for HP-UX, but NOT a development environment.
> > And, what about the install location of HP-UX shlibs
> > required for these 64-bit (and 32-bit?) HP-UX applications?
> If we use a dynamically linked application, they would need
> to be placed in the same location that HP/UX requires them to be.
Yes. But, it gets stranger than that. This topic has received lots of
airtime for IA-64 Linux, where x86 Linux apps will be supported. The
existance of the IA-64 ABI "mandates" some of the rules for that platform,
but there are still some points that could apply here.
Actually, most of the HP-UX application issues should be OK because ... name
and version conflicts for shlibs are not so likely given the different
naming conventions for HP-UX (.sl) and Linux (.so). This gets rid of many
of the issues IA-64 is dealing with - although /lib and /usr/lib may get
BTW, you could imagine someone wanting to run both 32- and 64-bit HP-UX
apps. The convention used by HP-UX shlibs seems to be:
But, the real problems will arise when supporting both 32- and 64-bit Linux
apps on PA. I assume you meant that both 32- and 64-bit Linux apps would be
supported on 64-bit PA/Linux. If not, never mind! If so, this creates some
fun issues, such as:
* There will be naming conflicts between the 32- and 64-bit shlibs (and for
config files, man pages, etc.). The RPMs for both the 32- and 64-bit
package will want to install in the same locations.
How to address? Could create subdirs, such as /lib/32bit/... for the 32-bit
libs. By mucking with rpm and the Linux loader, this could be addressed OK.
But, still a problem for config files and such.
Have I missed the mark, or aren't there some lurking issues here?