HEAD: Compile issues on UnixWare 7.1.4

Trying to set up my 7.1.4 box as a buildfarm member, and can't get through
A build. The latest failure (after removing --with-perl) is:

$ tail -20 ../../../lastrun-logs/make-contrib.log
cc -O -Kinline -g -K PIC -I. -I../../src/include -I/usr/local/include -c
-o seg.o seg.c
UX:cc: WARNING: debugging and optimization mutually exclusive; -O disabled
bison -y -d -p seg_yy segparse.y
mv -f y.tab.c segparse.c
mv -f y.tab.h segparse.h
/usr/local/bin/flex -o'segscan.c' segscan.l
cc -O -Kinline -g -K PIC -I. -I../../src/include -I/usr/local/include -c
-o segparse.o segparse.c
UX:cc: WARNING: debugging and optimization mutually exclusive; -O disabled
ar crs libseg.a `lorder seg.o segparse.o | tsort`
tsort: -: input contains a loop:

tsort: seg.o
tsort: segparse.o
UX:ar: ERROR: Incorrect usage
UX:ar: TO FIX: Usage: ar [-V?] -key[arg] [posname] afile [name ...]
where key[arg] is one of the following:
r[uabi], m[abi], d, q, t, p, x[CT]
gmake[1]: *** [libseg.a] Error 1
gmake[1]: Leaving directory `/pg-farm/farm/HEAD/pgsql.388/contrib/seg'
gmake: *** [all] Error 2
$

I'm not sure what we're doing wrong. Ideas?

(I saw similar stuff with perl, but...).

I've got a REL8_0_STABLE run running now (should work, unless something is
REALLY broken).

Did the build system change between 8.0 and HEAD?

Thanks!

LER

--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler(at)lerctr(dot)org
US Mail: 3535 Gaspar Drive, Dallas, TX 75220-3611 US