COMPAT_OSF1(8)          NetBSD System Manager's Manual          COMPAT_OSF1(8)

compat_osf1 -- setup procedure for running OSF/1 binaries
NetBSD supports running OSF/1 (a.k.a Digital Unix, a.k.a. Tru64) binaries on NetBSD/alpha systems. Most programs should work, including the ones that use the shared object libraries. Programs that make direct MACH system calls will not work. The OSF/1 compatibility feature is active for kernels compiled with the COMPAT_OSF1 option enabled (see options(4)). To run dynamically linked programs, you will need the OSF/1 shared libraries, runtime linker, and certain configuration files found in /etc. These are installed in a ``shadow root'' directory called /emul/osf1. Any file operations done by OSF/1 programs run under NetBSD will look in this directory first, and fall back to the file system proper. So, if an OSF/1 program opens /etc/svc.conf, NetBSD will first try to open /emul/osf1/etc/svc.conf, and if that file does not exist it will then try /etc/svc.conf. Shared libraries and configuration specific to OSF/1 should be installed in the shadow tree. Setting up /emul/osf1 The simple technique is to install pkgsrc/emulators/osf1_lib. (You may also want to install pkgsrc/www/navigator and/or pkgsrc/www/communica- tor.) Alternatively, if you have access to an OSF/1 machine and if the licens- ing details permit, you can copy the contents of: /shlib /usr/shlib /etc/sia /usr/lib/X11/locale (The latter is required to run Netscape Navigator or Communicator.) Also copy /etc/svc.conf /usr/ccs/lib/cmplrs/otabase/ /sbin/loader Or, simply NFS mount the appropriate directories under /emul/osf1.
config(1), options(4)
Your hostname(1) must contain a dot or your resolv.conf(5) must contain a search line. Without one of those, the OSF/1 resolver will die and no hostname resolution will be possible. Certain values in /emul/osf1/etc/svc.conf can cause programs to fail with ``Bad system call''. Pathnames pointed to by symbolic links are not looked up in the shadow root when running an OSF/1 executable. This is not consistent. NetBSD 5.0_RC4 November 4, 1999 NetBSD 5.0_RC4

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