1
# We check two things: where is the memory include file, and in what
2
# namespace does shared_ptr reside.
3
# We include AC_COMPILE_IFELSE for all the combinations we've seen in the
6
# GCC 4.3: namespace: std:: #include <memory>
7
# GCC 4.2: namespace: tr1:: #include <tr1/memory>
8
# GCC 4.2: namespace: boost:: #include <boost/shared_ptr.hpp>
10
# We define one of HAVE_HAVE_TR1_SHARED_PTR or HAVE_BOOST_SHARED_PTR
11
# depending on location, and SHARED_PTR_NAMESPACE to be the namespace in
12
# which shared_ptr is defined.
15
AC_DEFUN([AC_CXX_SHARED_PTR],[
16
AC_REQUIRE([AC_CXX_CHECK_STANDARD])
1
dnl Copyright (C) 2009 Sun Microsystems
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dnl This file is free software; Sun Microsystems
3
dnl gives unlimited permission to copy and/or distribute it,
4
dnl with or without modifications, as long as this notice is preserved.
6
dnl We check two things: where is the memory include file, and in what
7
dnl namespace does shared_ptr reside.
8
dnl We include AC_COMPILE_IFELSE for all the combinations we've seen in the
11
dnl GCC 4.3: namespace: std:: #include <memory>
12
dnl GCC 4.2: namespace: tr1:: #include <tr1/memory>
13
dnl GCC 4.2: namespace: boost:: #include <boost/shared_ptr.hpp>
15
dnl We define one of HAVE_HAVE_TR1_SHARED_PTR or HAVE_BOOST_SHARED_PTR
16
dnl depending on location, and SHARED_PTR_NAMESPACE to be the namespace in
17
dnl which shared_ptr is defined.
20
AC_DEFUN([PANDORA_SHARED_PTR],[
21
AC_REQUIRE([PANDORA_CHECK_CXX_STANDARD])
18
23
AC_CHECK_HEADERS(memory tr1/memory boost/shared_ptr.hpp)
19
24
AC_CACHE_CHECK([the location of shared_ptr header file],
42
47
ac_cv_shared_ptr_namespace="${namespace}"
44
],[ac_cv_shared_ptr_namespace=no])
49
],[ac_cv_shared_ptr_namespace=missing])
47
if test "$ac_cv_shared_ptr_namespace" = no
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AC_MSG_WARN([a usable shared_ptr implementation was not found. Let someone know what your platform is.])
50
dnl AC_MSG_WARN([a usable shared_ptr implementation is required. If you are on Solaris, please install boost, either via pkg install boost, or pkg-get -i boost. If you are elsewhere, please file a bug])
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52
AC_DEFINE_UNQUOTED([SHARED_PTR_NAMESPACE],
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53
${ac_cv_shared_ptr_namespace},
54
54
[The namespace in which SHARED_PTR can be found])
added
removed
m4/pandora_shared_ptr.m4
