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

   1 AC_DEFUN([DETECT_BYTEORDER],
   2 [
   3     AC_REQUIRE([AC_C_BIGENDIAN])
   4     AC_CACHE_CHECK([for htonll],[av_cv_have_htonll],[
   5
   6     AC_RUN_IFELSE([
   7        AC_LANG_PROGRAM([[
   8 #include <sys/types.h>
   9 #include <netinet/in.h>
  10 #include <inttypes.h>
  11        ]],[[
  12           return htonll(0);
  13        ]])
  14     ], [
  15       ac_cv_have_htonll=yes
  16     ],[
  17       ac_cv_have_htonll=no
  18     ])])
  19
  20     AS_IF([test "x$ac_cv_have_htonll" = "xyes"],[
  21       AC_DEFINE([HAVE_HTONLL], [1], [Have ntohll])])
  22
  23     AM_CONDITIONAL([BUILD_BYTEORDER],[test "x$ac_cv_have_htonll" = "xno"])
  24 ])
  25