UNICOS: using uname -m is wrong since what matters

is what CPUs (FPUs) we have.

p4raw-id: //depot/perl@16736

diff --git a/hints/unicos.sh b/hints/unicos.sh
index 8648dce..bff3b22 100644 (file)
--- a/hints/unicos.sh
+++ b/hints/unicos.sh
@@ -9,11 +9,15 @@ esac
 # The default is to die in runtime on math overflows.
 # Let's not do that. --jhi
 ccflags="$ccflags -h matherror=errno" 
-# Give int((2/3)*3) a chance to be 2, not 1. --jhi
-case "`uname -m`" in
-"CRAY TS")     ;; # -h rounddiv not available here
-*)             ccflags="$ccflags -h rounddiv" ;;
+
+# Cray floating point (cfp) CPUs need -h rounddiv
+# (It gives int((2/3)*3) a chance to be 2, not 1. --jhi)
+# (but IEEE CPUs, IEEE/ieee/CPE1 CPUs should not have -h rounddiv,
+#  since the compiler on those CPUs doesn't even support the option.)
+case "`/etc/cpu -i|grep cfp`" in
+*"cfp")        ccflags="$ccflags -h rounddiv" ;;
 esac
+
 # Avoid an optimizer bug where a volatile variables
 # isn't correctly saved and restored --Mark P. Lutz 
 pp_ctl_cflags='ccflags="$ccflags -h scalar0 -h vector0"'