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  • Committer: Continuous Integration
  • Date: 2012-09-29 16:57:16 UTC
  • mfrom: (1070.1.3 libmemcached-1.0)
  • Revision ID: ci@tangent.org-20120929165716-wi7gtt3nie8b58kq
Merge lp:~tangent-org/libmemcached/1.0-build Build: jenkins-Libmemcached-1.0-43

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m4/ax_uuid.m4
 
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# ===========================================================================
 
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# https://github.com/BrianAker/ddm4
 
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# ===========================================================================
 
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#
 
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# SYNOPSIS
 
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#
 
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#   AX_UUID
 
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#   AX_UUID_GENERATE_TIME_SAFE
 
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#
 
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# DESCRIPTION
 
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#
 
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#   Check for uuid, and uuid_generate_time_safe support.
 
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#
 
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# LICENSE
 
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#
 
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#   Copyright (c) 2012 Brian Aker <brian@tangent.org>
 
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#
 
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#   Copying and distribution of this file, with or without modification, are
 
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#   permitted in any medium without royalty provided the copyright notice
 
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#   and this notice are preserved. This file is offered as-is, without any
 
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#   warranty.
 
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#serial 4
 
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AC_DEFUN([AX_UUID], [
 
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    AC_CHECK_HEADER([uuid/uuid.h], [
 
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      AC_CACHE_CHECK([check to see if -luuid is not needed], [ax_cv_libuuid_is_required], [
 
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        AC_LANG_PUSH([C])
 
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        AC_RUN_IFELSE([
 
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          AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
 
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            uuid_t out;
 
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            uuid_generate(out);
 
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            ])],
 
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          [ax_cv_libuuid_is_required=no],
 
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          [ax_cv_libuuid_is_required=maybe],
 
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          [AC_MSG_WARN([test program execution failed])])
 
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        AC_LANG_POP
 
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        ])
 
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      AS_IF([test "$ax_cv_libuuid_is_required" = maybe], [
 
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        AC_CACHE_CHECK([check to see if -luuid is needed], [ax_cv_libuuid_works], [
 
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          save_LIBS="$LIBS"
 
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          LIBS="-luuid $LIBS"
 
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          AC_LANG_PUSH([C])
 
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          AC_RUN_IFELSE([
 
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            AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
 
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              uuid_t out;
 
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              uuid_generate(out);
 
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              ])],
 
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            [ax_cv_libuuid_works=yes],
 
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            [ax_cv_libuuid_works=no],
 
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            [AC_MSG_WARN([test program execution failed])])
 
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          AC_LANG_POP
 
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          LIBS="$save_LIBS"
 
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          ])
 
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        AS_IF([test "$ax_cv_libuuid_works" = yes], [
 
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          AC_SUBST([LIBUUID_LDFLAGS],[-luuid])])
 
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        ])
 
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      AS_IF([test "$ax_cv_libuuid_is_required" = no], [UUID_UUID_H=yes])
 
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      AS_IF([test "$ax_cv_libuuid_works" = yes], [UUID_UUID_H=yes])
 
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      ])
 
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  AS_IF([test "$UUID_UUID_H" = yes], [
 
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      AC_DEFINE([HAVE_UUID_UUID_H], [1], [Have uuid/uuid.h])
 
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      ],[
 
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      AC_DEFINE([HAVE_UUID_UUID_H], [0], [Have uuid/uuid.h])
 
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      ])
 
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  ])
 
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  AC_DEFUN([AX_UUID_GENERATE_TIME_SAFE], [
 
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      AC_REQUIRE([AX_UUID])
 
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      AC_CACHE_CHECK([for uuid_generate_time_safe], [ax_cv_uuid_generate_time_safe], [
 
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        save_LIBS="$LIBS"
 
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        LIBS="$LIBUUID_LDFLAGS $LIBS"
 
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        AC_LANG_PUSH([C])
 
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        AC_RUN_IFELSE([
 
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          AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
 
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            uuid_t out;
 
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            uuid_generate_time_safe(out);
 
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            ])],
 
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          [ax_cv_uuid_generate_time_safe=yes],
 
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          [ax_cv_uuid_generate_time_safe=no],
 
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          [AC_MSG_WARN([test program execution failed])])
 
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        AC_LANG_POP
 
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        LIBS="$save_LIBS"
 
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        ])
 
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      AS_IF([test "$ax_cv_uuid_generate_time_safe" = yes],[
 
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        AC_DEFINE([HAVE_UUID_GENERATE_TIME_SAFE],[1],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])],[
 
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        AC_DEFINE([HAVE_UUID_GENERATE_TIME_SAFE],[0],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])
 
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        ])
 
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      ])