Remove Unixware and openserver support

cde/programs/dtcalc/Imakefile

@@ -21,10 +21,6 @@ SYS_LIBRARIES = -lmsaa -liconv
 SYS_LIBRARIES = -lintl -lm -ldl
 #endif
 
-#if defined (USLArchitecture)
-SYS_LIBRARIES = -lm -lgen
-#endif
-
 #if defined(HPOSFArchitecture)
 #endif
 

cde/programs/dtcalc/functions.c

@@ -1733,14 +1733,8 @@ do_round(double result, int ndigits)
     temp = finite(result);
     if (!temp)
        return (temp > 0) ? HUGE : -HUGE;
-#else
-#if defined(USL)
-    temp = finite(result);
-    if (!temp)
-       return (temp > 0) ? HUGE : -HUGE;
 #else
     if ((temp = isinf(result))) return (temp > 0) ? HUGE : -HUGE;
-#endif /* USL */
 #endif /* _AIX or __osf__ */
 
     if (ndigits >= 0 && ndigits < MAX_DIGITS)
@@ -1852,14 +1846,9 @@ try_compute_i(double guess, double *result, int method)
 #if defined(_AIX) || defined(__aix) || defined (__osf__) || defined(__sparc)
 	if (!(!isnan(new_w) && finite(new_w)))
 	    return FALSE;
-#else
-#if defined(USL)
-	if (!(!isnan(new_w) && finite(new_w)))
-	    return FALSE;
 #else
 	if (!(!isnan(new_w) && !isinf(new_w)))
 	    return FALSE;
-#endif
 #endif /* _AIX or __osf__ */
 
 	if (new_w == w || (w != 0.0 && fabs((new_w - w) / w) < FIN_EPSILON))