From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Wed, 22 May 2002 16:20:38 +0000 (+0000)
Subject: UNICOS: using uname -m is wrong since what matters
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fdf4829643c900179386b7b25f562008c3612a69;p=p5sagit%2Fp5-mst-13.2.git

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
--- 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"'