1# 2# This function determins if the srand48,drand48,lrand48 functions are 3# available on this platform. 4# 5AC_DEFUN([AC_FUNC_RAND48],[ 6AC_SINGLE_CXX_CHECK([ac_cv_func_rand48], 7 [srand48/lrand48/drand48], [<stdlib.h>], 8 [srand48(0);lrand48();drand48();]) 9if test "$ac_cv_func_rand48" = "yes" ; then 10AC_DEFINE([HAVE_RAND48],1,[Define to 1 if srand48/lrand48/drand48 exist in <stdlib.h>]) 11fi 12]) 13