diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/configure.ac b/configure.ac index 63cd4fc..8e385bd 100644 --- a/configure.ac +++ b/configure.ac @@ -2443,42 +2443,6 @@ case "`uname`" in esac ## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'long double' to 'unsigned int' values. (This flag should be set for -## all machines, except for some Intel compilers on some Linux.) -## -AC_MSG_CHECKING([if correctly converting long double to unsigned int values]) - -if test ${ac_cv_sizeof_long_double} = 0; then - hdf5_cv_ldouble_to_uint_accurate=${hdf5_cv_ldouble_to_uint_accurate=no} -else - AC_CACHE_VAL([hdf5_cv_ldouble_to_uint_accurate], - [AC_TRY_RUN([ - int main(void) - { - long double ld = 2733248032.9183987530L; - unsigned int i; - int ret = 0; - - i = (unsigned int)ld; - if(i!=2733248032 && i!=2733248031 && i!=2733248033) - ret = 1; - - done: - exit(ret); - } - ], [hdf5_cv_ldouble_to_uint_accurate=yes], [hdf5_cv_ldouble_to_uint_accurate=no],)]) -fi - -if test ${hdf5_cv_ldouble_to_uint_accurate} = "yes"; then - AC_DEFINE([LDOUBLE_TO_UINT_ACCURATE], [1], - [Define if your system can convert long double to unsigned int values correctly.]) - AC_MSG_RESULT([yes]) -else - AC_MSG_RESULT([no]) -fi - -## ---------------------------------------------------------------------- ## Set the flag to indicate that the machine can _compile_ ## 'unsigned long long' to 'float' and 'double' typecasts. ## (This flag should be set for all machines, except for under Windows when |