Fetching contributors…
Cannot retrieve contributors at this time
27 lines (22 sloc) 789 Bytes
dnl I'd like this to be edited in -*- Autoconf -*- mode...
dnl
AC_DEFUN([GST_FUNC_LRINT], [
# Check for lrint. Under ia64-linux, lrint returns
# incorrect values for bit 31.
AC_CACHE_CHECK(for working lrint, gst_cv_working_lrint, [
exec AS_MESSAGE_FD([])>/dev/null
AC_CHECK_FUNC(lrint, gst_cv_working_lrint=yes, gst_cv_working_lrint=no)
if test $gst_cv_working_lrint = yes; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[
double d = 14988885582133630.0;
int main()
{
extern long int lrint (double);
long int l = lrint (d);
exit(sizeof (l) >= 8 && l != 14988885582133630);
}]])],[],[gst_cv_working_lrint=no],[gst_cv_working_lrint=no])
fi
test "$silent" != yes && exec AS_MESSAGE_FD([])>&1
])
test "$gst_cv_working_lrint" != yes && AC_LIBOBJ(lrint)
])dnl