[cig-commits] [commit] devel: Amend flags.guess for the xlf compiler. Some values are antiquated (-Q...) and some would possibly work on linux (or BG) but not on AIX. (a5d1c3e)

[cig_noreply at geodynamics.org]

Repository : https://github.com/geodynamics/specfem3d

On branch  : devel
Link       : https://github.com/geodynamics/specfem3d/compare/762b68989ea35516b8100bcbf48075487525dd17...a5d1c3e764d2ff278509c9003e6ef0234e2e7cfe

>---------------------------------------------------------------

commit a5d1c3e764d2ff278509c9003e6ef0234e2e7cfe
Author: François Bissey <francois.bissey at canterbury.ac.nz>
Date:   Thu Jan 15 14:33:45 2015 +1300

    Amend flags.guess for the xlf compiler. Some values are antiquated (-Q...) and some would possibly work on linux (or BG) but not on
    AIX.


>---------------------------------------------------------------

a5d1c3e764d2ff278509c9003e6ef0234e2e7cfe
 flags.guess | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/flags.guess b/flags.guess
index 81a434c..ace5e1f 100644
--- a/flags.guess
+++ b/flags.guess
@@ -179,6 +179,9 @@ case $my_FC in
         # when encountering errors: ...relocation truncated to fit: R_PPC_LOCAL24PC...
         # one should also use additional flags:
         # CFLAGS = -Wl,-relax
+        # Note that the above message would only occur on a linux machine not on AIX.
+        # "relax" is not an option for the AIX linker and is interpreted in ways that will
+        # in binaries that are not executable.
         #
 # deleted -qxflag=dvz because it requires handler function __xl_dzx and thus linking will fail.
 #
@@ -186,7 +189,7 @@ case $my_FC in
 # other compilers. There is a small decrease in performance, but generally
 # it is small or negligible compared to other issues like slow I/O.
         DEF_FFLAGS="-qassert=contig -qhot -q64 -qtune=auto -qarch=auto -qcache=auto -qfree=f90 -qsuffix=f=f90 -qhalt=w -qlanglvl=2003std -g -qsuppress=1518-234 -qsuppress=1518-317 -qsuppress=1518-318 -qsuppress=1500-036"
-        OPT_FFLAGS="-O4 -qstrict -Q -Q+rank,swap_all -Wl,-relax"
+        OPT_FFLAGS="-O4 -qstrict"
         # Options -qreport -qsource -qlist create a *.lst file containing detailed information about vectorization.
         DEBUG_FFLAGS="-g -O0 -C -qddim -qfullpath -qflttrap=overflow:zerodivide:invalid:enable -qfloat=nans -qinitauto=7FBFFFFF"
         #