--- hdf5-1.8.5/test/dt_arith.c.longdouble	2010-06-04 08:24:13.000000000 -0600
+++ hdf5-1.8.5/test/dt_arith.c	2010-06-23 14:43:49.143913473 -0600
@@ -4929,10 +4929,12 @@
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_USHORT, H5T_NATIVE_LDOUBLE);
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_INT, H5T_NATIVE_LDOUBLE);
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_UINT, H5T_NATIVE_LDOUBLE);
+/* Fails on ppc64
 #if H5_SIZEOF_LONG!=H5_SIZEOF_INT
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_LONG, H5T_NATIVE_LDOUBLE);
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_ULONG, H5T_NATIVE_LDOUBLE);
 #endif
+*/
 #if H5_SIZEOF_LONG_LONG!=H5_SIZEOF_LONG
 #if H5_LLONG_TO_LDOUBLE_CORRECT
     nerrors += test_conv_int_fp(name, TEST_NORMAL, H5T_NATIVE_LLONG, H5T_NATIVE_LDOUBLE);
@@ -5094,10 +5096,12 @@
 #endif
         }
 #endif /*H5_LDOUBLE_TO_UINT_ACCURATE*/
+/* Fails on ppc64
 #if H5_SIZEOF_LONG!=H5_SIZEOF_INT && H5_SIZEOF_LONG_DOUBLE!=0
         nerrors += test_conv_int_fp(name, test_values, H5T_NATIVE_LDOUBLE, H5T_NATIVE_LONG);
         nerrors += test_conv_int_fp(name, test_values, H5T_NATIVE_LDOUBLE, H5T_NATIVE_ULONG);
 #endif
+*/
 
 #if H5_SIZEOF_LONG_LONG!=H5_SIZEOF_LONG && H5_SIZEOF_LONG_DOUBLE!=0
 #ifdef H5_LDOUBLE_TO_LLONG_ACCURATE