[cig-commits] r19476 - seismo/3D/SPECFEM3D_GLOBE/trunk

[dkomati1 at geodynamics.org]

Author: dkomati1
Date: 2012-01-25 14:11:59 -0800 (Wed, 25 Jan 2012)
New Revision: 19476

Modified:
   seismo/3D/SPECFEM3D_GLOBE/trunk/flags.guess
Log:
removed -qsave from the default flags.guess


Modified: seismo/3D/SPECFEM3D_GLOBE/trunk/flags.guess
===================================================================
--- seismo/3D/SPECFEM3D_GLOBE/trunk/flags.guess	2012-01-25 22:11:27 UTC (rev 19475)
+++ seismo/3D/SPECFEM3D_GLOBE/trunk/flags.guess	2012-01-25 22:11:59 UTC (rev 19476)
@@ -154,9 +154,9 @@
         ;;
     *xlf*|*/*xlf*)
         #
-        # do NOT remove option -qsave otherwise the IBM compiler allocates the
+        # on some (but not all) IBM machines one might need to add -qsave otherwise the IBM compiler allocates the
         # arrays in the stack and the code crashes if the stack size is too
-        # small (which is often the case)
+        # small (which is sometimes the case, but less often these days on large machines)
         #
         # on IBM with xlf one should also set
         #
@@ -177,11 +177,11 @@
         #
         if test x"$FLAGS_NO_CHECK" = x; then
 # deleted -qxflag=dvz because it requires handler function __xl_dzx and thus linking will fail 
-            FLAGS_NO_CHECK="-O3 -qsave -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=90pure -qsuppress=1518-317 -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all -Wl,-relax -qunroll=yes"
+            FLAGS_NO_CHECK="-O3 -qstrict -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=90pure -qsuppress=1518-317 -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF -Q -Q+rank,swap_all -Wl,-relax -qunroll=yes"
         # on "MareNostrum" IBM at the Barcelona SuperComputing Center (Spain) use:
-        # -qtune=ppc970 -qarch=ppc64v instead of -qtune=auto -qarch=auto
+        # -qtune=ppc970 -qarch=ppc64v -qsave     instead of -qtune=auto -qarch=auto
         # on "Babel" IBM BlueGene at IDRIS (France) use:
-        # -qtune=auto -qarch=450d instead of -qtune=auto -qarch=auto
+        # -qtune=auto -qarch=450d -qsave     instead of -qtune=auto -qarch=auto
         fi
         if test x"$FLAGS_CHECK" = x; then
         #