git.m6w6.name Git - m6w6/libmemcached/blob - m4/byteorder.m4

   1 AC_DEFUN([DETECT_BYTEORDER],
   2     [
   3     AC_REQUIRE([AC_C_BIGENDIAN])
   4     AC_LANG_PUSH([C++])
   5     AC_CACHE_CHECK([for htonll], [ac_cv_have_htonll],
   6       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
   7           [#include <sys/types.h>
   8 #include <netinet/in.h>
   9 #include <inttypes.h>
  10       ], [ return htonll(0) ])],
  11         [ ac_cv_have_htonll=yes ],
  12         [ ac_cv_have_htonll=no ])
  13       ])
  14     AC_LANG_POP()
  15     AS_IF([test "x$ac_cv_have_htonll" = "xyes"],[
  16       AC_DEFINE([HAVE_HTONLL], [1], [Have ntohll])])
  17
  18     AM_CONDITIONAL([BUILD_BYTEORDER],[test "x$ac_cv_have_htonll" = "xno"])
  19     ])