Patch #418659: Fixes for UnixWare and ReliantUnix.
back-out 1.215 of configure.in and 1.34 of Makefile.pre.in
Check for -Kpthread compiler support, and use this as the sole option
for MT if available.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index d073c01..a6448a9 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -314,7 +314,7 @@
 	$(AR) cr $@ $(MODOBJS)
 	$(RANLIB) $@
 
-# This rule is only here for DG/UX, UnixWare, and BeOS!!!
+# This rule is only here for DG/UX and BeOS!!!
 libpython$(VERSION).so:	$(LIBRARY)
 	case `uname -s | tr -d '/ ' | tr '[A-Z]' '[a-z]'` in \
 	*dgux*) \
@@ -322,9 +322,6 @@
 	    (cd dgux;ar x ../$^;ld -G -o ../$@ * ); \
 	    /bin/rm -rf ./dgux \
 	    ;; \
-	unixware*) \
-	    $(LDSHARED) -o $@ $(LIBRARY_OBJS) \
-	    ;; \
 	beos) \
 	    $(AR) so $(LIBRARY) $@ \
 	    ;; \