1 # ===========================================================================
3 # ===========================================================================
8 # AX_UUID_GENERATE_TIME_SAFE
12 # Check for uuid, and uuid_generate_time_safe support.
16 # Copyright (c) 2012 Brian Aker <brian@tangent.org>
18 # Copying and distribution of this file, with or without modification, are
19 # permitted in any medium without royalty provided the copyright notice
20 # and this notice are preserved. This file is offered as-is, without any
26 AC_CHECK_HEADER([uuid/uuid.h], [
27 AC_CACHE_CHECK([check to see if we need -luuid], [ax_cv_libuuid_is_required], [
28 save_LDFLAGS="$LDFLAGS"
32 AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
36 [ax_cv_libuuid_is_required=yes],
39 LDFLAGS="$save_LDFLAGS"
41 AS_IF([test x"ax_cv_libuuid_is_required" = xyes], [
42 LIBUUID_LDFLAGS="-luuid"
45 AC_CACHE_CHECK([check to see if -luuid is not needed], [ax_cv_libuuid_is_not_required], [
48 AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
52 [ax_cv_libuuid_is_not_required=yes],
53 [ax_cv_libuuid_is_not_required=no])
56 AS_IF([test x"ax_cv_libuuid_is_not_required" = xyes], [UUID_UUID_H=yes], [UUID_UUID_H=])
60 AS_IF([test x"$UUID_UUID_H" = xyes], [
61 AC_DEFINE([HAVE_UUID_UUID_H], [ 1 ], [Have uuid/uuid.h])
63 AC_DEFINE([HAVE_UUID_UUID_H], [ 0 ], [Have uuid/uuid.h])
67 AC_DEFUN([AX_UUID_GENERATE_TIME_SAFE], [
69 AC_CACHE_CHECK([for uuid_generate_time_safe], [ax_cv_uuid_generate_time_safe], [
70 save_LDFLAGS="$LDFLAGS"
71 LDFLAGS=$LIBUUID_LDFLAGS
74 AC_LANG_PROGRAM([#include <uuid/uuid.h>], [
76 uuid_generate_time_safe(out);
78 [ax_cv_uuid_generate_time_safe=yes],
79 [ax_cv_uuid_generate_time_safe=no])
81 LDFLAGS="$save_LDFLAGS"
84 AS_IF([test "$ax_cv_uuid_generate_time_safe" = yes],[
85 AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE,[1],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])],[
86 AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE,[0],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])