dnl #### This generates a warning. What do I do to shut it up?
AC_C_BIGENDIAN
+# Check size of long.
+AC_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(long long)
+
dnl
dnl Checks for headers
dnl
dnl Checks for library functions.
dnl
AC_FUNC_ALLOCA
+AC_FUNC_MMAP
AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp)
AC_CHECK_FUNCS(gettimeofday mktime strptime)
-AC_CHECK_FUNCS(strerror vsnprintf select signal symlink access isatty)
+AC_CHECK_FUNCS(strerror snprintf vsnprintf select signal symlink access isatty)
AC_CHECK_FUNCS(uname gethostname)
AC_CHECK_FUNCS(gethostbyname, [], [