[90189] trunk/dports/math/atlas/Portfile

[jmr at macports.org]

Revision: 90189
          http://trac.macports.org/changeset/90189
Author:   jmr at macports.org
Date:     2012-02-25 11:06:59 -0800 (Sat, 25 Feb 2012)
Log Message:
-----------
atlas: avoid failure to parse the portfile if the sysctls at the top level fail

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

Modified: trunk/dports/math/atlas/Portfile
===================================================================
--- trunk/dports/math/atlas/Portfile	2012-02-25 18:55:00 UTC (rev 90188)
+++ trunk/dports/math/atlas/Portfile	2012-02-25 19:06:59 UTC (rev 90189)
@@ -176,12 +176,14 @@
 		
 }
 
-if { (${os.major} == 11 && [sysctl hw.optional.avx1_0] == 1) || \
-	 (${os.major} > 8 && [sysctl hw.cpufamily] == 1418770316) } {
-	# Corei2 is not supported yet because gcc4.5 does not
-	# support AVX instructions and gcc4.6 does not compile yet.
-	# Set CPU to Corei1 instead
-	configure.args-append -A 18
+platform darwin {
+    if { (${os.major} >= 11 && ![catch {sysctl hw.optional.avx1_0} result] && $result == 1) || \
+         (${os.major} > 8 && ![catch {sysctl hw.cpufamily} result] && $result == 1418770316) } {
+        # Corei2 is not supported yet because gcc4.5 does not
+        # support AVX instructions and gcc4.6 does not compile yet.
+        # Set CPU to Corei1 instead
+        configure.args-append -A 18
+    }
 }
 
 if { [variant_isset universal] } {
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