NNSA Tri-Labs TRILAB-98 dt_arith and cpp_testhdf5 tests fail on sierra.llnl.gov: According to the group decision, simply provide a macro to disable some failing test cases on sierra (IBM power9 cpu). All failing cases involve long double data type.

1 files changed, 24 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 21ad68b..f8e538a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2960,6 +2960,30 @@ else
 fi
 
 ## ----------------------------------------------------------------------
+## Set the flag to indicate that the machine is power9 and cannot
+## accurately convert some long double values.
+##
+AC_MSG_CHECKING([if the system is power9 and cannot correctly convert some long double values])
+
+TEST_SRC="`(echo \"#define H5_DISABLE_SOME_LDOUBLE_CONV_TEST 1\"; cat $srcdir/config/cmake/ConversionTests.c)`"
+
+if test ${ac_cv_sizeof_long_double} = 0; then
+   hdf5_cv_disable_some_ldouble_conv=${hdf5_cv_disable_some_ldouble_conv=no}
+else
+   AC_CACHE_VAL([hdf5_cv_disable_some_ldouble_conv],
+        [AC_RUN_IFELSE([AC_LANG_SOURCE([$TEST_SRC])],
+        [hdf5_cv_disable_some_ldouble_conv=yes], [hdf5_cv_disable_some_ldouble_conv=no],[])])
+fi
+
+if test ${hdf5_cv_disable_some_ldouble_conv} = "yes"; then
+  AC_DEFINE([DISABLE_SOME_LDOUBLE_CONV], [1],
+            [Define if your system is power9 and cannot convert some long double values correctly.])
+  AC_MSG_RESULT([yes])
+else
+  AC_MSG_RESULT([no])
+fi
+
+## ----------------------------------------------------------------------
 ## Set some variables for general configuration information to be saved
 ## and installed with the libraries (used to generate libhdf5.settings).
 ##