diff -r original/tads2/unix/makefile tads2/unix/makefile
76a77
> MARKW=Mark Wickham <macwickham@attbi.com>
245a247,263
> # OpenBSD 3.0 with gcc 2.95.3
> # This has compiled on an i386 system running OPENBSD 3.0
> # HAVE_TPARM is set in osunixt.h
> #
> CC=gcc
> OPTIMIZE=-O2
> UNIXFLAGS=-g -DOSANSI -DUNIX -DHAVE_STRCASECMP
> SYSFLAGS= -DOS_SYSTEM_NAME=\""OPENBSD"\" -DSYSNAME=\""OpenBSD"\" -DSYSPL=\"1\" -DPORTER=\""$(MARKW)"\" -DSYSMAINTAINER=\""OpenBSD port maintained by $(MARKW)\n"\"
> CFLAGS= $(UNIXFLAGS) $(SYSFLAGS) -DOPENBSD
> AFLAGS=
> OVLFLG=
> MACHDEP=osunixt.o
> LIBS=-L/usr/pkg/lib -Wl,-R/usr/pkg/lib -lcurses
> MAKEXEC=touch
> INSTALLDIR=/usr/local/bin
> 
> #
509a528,533
> 
> #
> # Install.
> #
> install: all
> 	install -c -m 755 tadsr tadsc tdb $(INSTALLDIR)
diff -r original/tads2/unix/osunixt.h tads2/unix/osunixt.h
104c104
< #if defined(NEXT) || defined(IBM_RT) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD)
---
> #if defined(NEXT) || defined(IBM_RT) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD) || defined(OPENBSD)
113c113
< #if defined(SUN_SPARC_SUNOS) || defined(SUN_SPARC_SOLARIS) || defined(SUN3) || defined(SGI_IRIX) || defined(LINUX_386) || defined(IBM_RT) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD)
---
> #if defined(SUN_SPARC_SUNOS) || defined(SUN_SPARC_SOLARIS) || defined(SUN3) || defined(SGI_IRIX) || defined(LINUX_386) || defined(IBM_RT) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD) || defined(OPENBSD)
117c117
< #if defined(SUN_SPARC_SUNOS) || defined(SUN_SPARC_SOLARIS) || defined(SUN3) || defined(SGI_IRIX) || defined(LINUX_386) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD)
---
> #if defined(SUN_SPARC_SUNOS) || defined(SUN_SPARC_SOLARIS) || defined(SUN3) || defined(SGI_IRIX) || defined(LINUX_386) || defined(FREEBSD_386) || defined(IBM_AIX) || defined(NETBSD) || defined(OPENBSD)
121c121
< #if defined(SGI_IRIX) || defined(LINUX_386) || defined(SUN_SPARC_SOLARIS) || defined(IBM_AIX) || defined(NETBSD)
---
> #if defined(SGI_IRIX) || defined(LINUX_386) || defined(SUN_SPARC_SOLARIS) || defined(IBM_AIX) || defined(NETBSD) || defined(OPENBSD)