[82302] trunk/dports/math/atlas/Portfile

[jmr at macports.org]

Revision: 82302
          http://trac.macports.org/changeset/82302
Author:   jmr at macports.org
Date:     2011-08-12 06:39:14 -0700 (Fri, 12 Aug 2011)
Log Message:
-----------
atlas: don't print message about ppc archs when not running any target, and use built-in sysctl

Modified Paths:
--------------
    trunk/dports/math/atlas/Portfile

Modified: trunk/dports/math/atlas/Portfile
===================================================================
--- trunk/dports/math/atlas/Portfile	2011-08-12 13:27:22 UTC (rev 82301)
+++ trunk/dports/math/atlas/Portfile	2011-08-12 13:39:14 UTC (rev 82302)
@@ -160,9 +160,11 @@
 	
 	# On Leopard, we may warn the user that ppc is not as efficient as ppc64
 	if {${os.major} == 9} {
-		if {[exec sysctl -n hw.cpu64bit_capable] == 1} {
-			ui_msg "--- Compiling for G4 arch (ppc) on a G5 (ppc64) machine."
-			ui_msg "--- This will lead to inferior performance."
+	    pre-configure {
+            if {![catch {sysctl hw.cpu64bit_capable} result] && $result == 1} {
+                ui_msg "--- Compiling for G4 arch (ppc) on a G5 (ppc64) machine."
+                ui_msg "--- This will lead to inferior performance."
+            }
 		}
 	}
 		
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