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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.in b/configure.in index dee22c2..61bf9d7 100644 --- a/configure.in +++ b/configure.in @@ -2398,6 +2398,24 @@ else fi dnl ---------------------------------------------------------------------- +dnl Set the flag to indicate that the machine can _compile_ +dnl 'unsigned long long' to 'float' and 'double' typecasts. +dnl (This flag should be set for all machines, except for under Windows when +dnl compiled with Visual Studio 6, where the macro value is set in the +dnl src/H5pubconf.h file) +dnl +AC_MSG_CHECKING([if compiling unsigned long long to floating-point typecasts work]) +AC_CACHE_VAL([hdf5_cv_ullong_to_fp_cast_works], [hdf5_cv_ullong_to_fp_cast_works=yes]) + +if test ${hdf5_cv_ullong_to_fp_cast_works} = "yes"; then + AC_DEFINE([ULLONG_TO_FP_CAST_WORKS], [1], + [Define if your system can compile unsigned long long to floating-point casts.]) + AC_MSG_RESULT([yes]) +else + AC_MSG_RESULT([no]) +fi + +dnl ---------------------------------------------------------------------- dnl Set some variables for general configuration information to be saved dnl and installed with the libraries. dnl |