[139390] trunk/dports/math/OpenBLAS-devel/Portfile

[nicos at macports.org]

Revision: 139390
          https://trac.macports.org/changeset/139390
Author:   nicos at macports.org
Date:     2015-08-14 22:33:49 -0700 (Fri, 14 Aug 2015)
Log Message:
-----------
OpenBLAS-devel: adding warning for disabled instrutions depending on compiler

Modified Paths:
--------------
    trunk/dports/math/OpenBLAS-devel/Portfile

Modified: trunk/dports/math/OpenBLAS-devel/Portfile
===================================================================
--- trunk/dports/math/OpenBLAS-devel/Portfile	2015-08-15 05:31:40 UTC (rev 139389)
+++ trunk/dports/math/OpenBLAS-devel/Portfile	2015-08-15 05:33:49 UTC (rev 139390)
@@ -140,6 +140,10 @@
             puts $makeINC "NO_LAPACK = 1"
         }
         if {![variant_isset clang]} {
+            if { ![catch {sysctl hw.optional.avx1_0} has_avx] && $has_avx == 1 } {
+                ui_msg "Warning: the chosen compiler cannot handle advanced optimisation instructions."
+                ui_msg "         AVX instructions are disabled."
+            }
             puts $makeINC "NO_AVX = 1"
         }
         close $makeINC
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