AC_CHECK_SIZEOF(unsigned int)
AC_TYPE_INTPTR_T
AC_TYPE_UINTPTR_T
-AC_CHECK_TYPE(ssize_t, int)
-AC_CHECK_TYPE([sig_atomic_t], ,
- [AC_DEFINE([sig_atomic_t], [int],
- [Define to int if <signal.h> does not define.])],
+AC_CHECK_TYPES([ssize_t])
+AC_CHECK_TYPES([sig_atomic_t],[],[],
[#include <sys/types.h>
#include <signal.h>])
AC_SIZEOF_TYPE(long)