diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/configure.in b/configure.in index a51c187..2eb1832 100644 --- a/configure.in +++ b/configure.in @@ -1517,7 +1517,7 @@ AC_MSG_RESULT(no)) dnl ---------------------------------------------------------------------- dnl Check for functions. dnl -AC_CHECK_FUNCS(fork gethostname getpwuid getrusage) +AC_CHECK_FUNCS(fork frexpf frexpl gethostname getpwuid getrusage) AC_CHECK_FUNCS(BSDgettimeofday longjmp setsysinfo sigaction) AC_CHECK_FUNCS(signal snprintf vsnprintf strdup system waitpid) @@ -2130,6 +2130,23 @@ if test 1 = 2; then fi dnl ---------------------------------------------------------------------- +dnl Set the flag to indicate that the machine can handle converting +dnl denormalized floating-point values. +dnl (This flag should be set for all machines, except for the Crays, where +dnl the cache value is set in it's config file) +dnl +AC_MSG_CHECKING([if converting denormalized floating-point values is possible]) +AC_CACHE_VAL([hdf5_cv_convert_denormal_float], [hdf5_cv_convert_denormal_float=yes]) + +if test ${hdf5_cv_convert_denormal_float} = "yes"; then + AC_DEFINE([CONVERT_DENORMAL_FLOAT], [1], + [Define if your system can handle converting denormalized floating-point values.]) + 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 |