Ticket #38677: Portfile.diff

Portfile

@@ -160 +160 @@
 set universal           [variant_isset universal]
 
 # Finds the type of CPU we are running on
+set native_arch $build_arch
 if {${os.arch} == "i386"} {
 
     set universal_archs_supported {i386 x86_64}
-    set native_arch     [exec sysctl -n hw.machine]
-} else {
+    if {![catch {sysctl hw.machine} result]} {
+        set native_arch $result
+    }
+} elseif {${os.arch} == "powerpc"} {
 
     set universal_archs_supported {ppc  ppc64}
-    if {[exec sysctl -n hw.cpusubtype] == 100} {
-    
+    if {![catch {sysctl hw.cpusubtype} result] && $result == 100} {
         set native_arch "ppc64"
     } else {