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## Copyright (c) 2009, 2011 Openismus GmbH <http://www.openismus.com/>
##
## This file is part of glibmm.
##
## glibmm is free software: you can redistribute it and/or modify it
## under the terms of the GNU Lesser General Public License as published
## by the Free Software Foundation, either version 2.1 of the License,
## or (at your option) any later version.
##
## glibmm is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
## See the GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
#serial 20110910
## GLIBMM_CXX_HAS_NAMESPACE_STD()
##
## Test whether libstdc++ declares namespace std. For safety,
## also check whether several randomly selected STL symbols
## are available in namespace std.
##
## On success, #define GLIBMM_HAVE_NAMESPACE_STD to 1.
##
AC_DEFUN([GLIBMM_CXX_HAS_NAMESPACE_STD],
[
AC_CACHE_CHECK(
[whether C++ library symbols are declared in namespace std],
[glibmm_cv_cxx_has_namespace_std],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <algorithm>
#include <iterator>
#include <iostream>
#include <string>
]],[[
using std::min;
using std::find;
using std::copy;
using std::bidirectional_iterator_tag;
using std::string;
using std::istream;
using std::cout;
]])],
[glibmm_cv_cxx_has_namespace_std='yes'],
[glibmm_cv_cxx_has_namespace_std='no']
)
])
AS_VAR_IF([glibmm_cv_cxx_has_namespace_std], ['yes'],
[AC_DEFINE([GLIBMM_HAVE_NAMESPACE_STD], [1],
[Defined when the libstdc++ declares the std-namespace])])[]dnl
])
## GLIBMM_CXX_HAS_STD_ITERATOR_TRAITS()
##
## Check for standard-conform std::iterator_traits<>, and
## #define GLIBMM_HAVE_STD_ITERATOR_TRAITS on success.
##
AC_DEFUN([GLIBMM_CXX_HAS_STD_ITERATOR_TRAITS],
[
AC_REQUIRE([GLIBMM_CXX_HAS_NAMESPACE_STD])
AC_CACHE_CHECK(
[whether the C++ library supports std::iterator_traits],
[glibmm_cv_cxx_has_std_iterator_traits],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <iterator>
#ifdef GLIBMM_HAVE_NAMESPACE_STD
using namespace std;
#endif
]],[[
typedef iterator_traits<char*>::value_type ValueType;
]])],
[glibmm_cv_cxx_has_std_iterator_traits='yes'],
[glibmm_cv_cxx_has_std_iterator_traits='no']
)
])
AS_VAR_IF([glibmm_cv_cxx_has_std_iterator_traits], ['yes'],
[AC_DEFINE([GLIBMM_HAVE_STD_ITERATOR_TRAITS], [1],
[Defined if std::iterator_traits<> is standard-conforming])])[]dnl
])
## GLIBMM_CXX_HAS_SUN_REVERSE_ITERATOR()
##
## Check for Sun libCstd style std::reverse_iterator,
## and #define GLIBMM_HAVE_SUN_REVERSE_ITERATOR if found.
##
AC_DEFUN([GLIBMM_CXX_HAS_SUN_REVERSE_ITERATOR],
[
AC_REQUIRE([GLIBMM_CXX_HAS_NAMESPACE_STD])
AC_CACHE_CHECK(
[for non-standard Sun libCstd reverse_iterator],
[glibmm_cv_cxx_has_sun_reverse_iterator],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <iterator>
#ifdef GLIBMM_HAVE_NAMESPACE_STD
using namespace std;
#endif
]],[[
typedef reverse_iterator<char*,random_access_iterator_tag,char,char&,char*,int> ReverseIter;
]])],
[glibmm_cv_cxx_has_sun_reverse_iterator='yes'],
[glibmm_cv_cxx_has_sun_reverse_iterator='no']
)
])
AS_VAR_IF([glibmm_cv_cxx_has_sun_reverse_iterator], ['yes'],
[AC_DEFINE([GLIBMM_HAVE_SUN_REVERSE_ITERATOR], [1],
[Defined if std::reverse_iterator is in Sun libCstd style])])[]dnl
])
## GLIBMM_CXX_HAS_TEMPLATE_SEQUENCE_CTORS()
##
## Check whether the STL containers have templated sequence ctors,
## and #define GLIBMM_HAVE_TEMPLATE_SEQUENCE_CTORS on success.
##
AC_DEFUN([GLIBMM_CXX_HAS_TEMPLATE_SEQUENCE_CTORS],
[
AC_REQUIRE([GLIBMM_CXX_HAS_NAMESPACE_STD])
AC_CACHE_CHECK(
[whether STL containers have templated sequence constructors],
[glibmm_cv_cxx_has_template_sequence_ctors],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <vector>
#include <deque>
#include <list>
#ifdef GLIBMM_HAVE_NAMESPACE_STD
using namespace std;
#endif
]],[[
const int array[8] = { 0, };
vector<int> test_vector (&array[0], &array[8]);
deque<short> test_deque (test_vector.begin(), test_vector.end());
list<long> test_list (test_deque.begin(), test_deque.end());
test_vector.assign(test_list.begin(), test_list.end());
]])],
[glibmm_cv_cxx_has_template_sequence_ctors='yes'],
[glibmm_cv_cxx_has_template_sequence_ctors='no']
)
])
AS_VAR_IF([glibmm_cv_cxx_has_template_sequence_ctors], ['yes'],
[AC_DEFINE([GLIBMM_HAVE_TEMPLATE_SEQUENCE_CTORS], [1],
[Defined if the STL containers have templated sequence ctors])])[]dnl
])
## GLIBMM_CXX_ALLOWS_STATIC_INLINE_NPOS()
##
## Check whether the a static member variable may be initialized inline to std::string::npos.
## The MipsPro (IRIX) compiler does not like this.
## and #define GLIBMM_HAVE_ALLOWS_STATIC_INLINE_NPOS on success.
##
AC_DEFUN([GLIBMM_CXX_ALLOWS_STATIC_INLINE_NPOS],
[
AC_REQUIRE([GLIBMM_CXX_HAS_NAMESPACE_STD])
AC_CACHE_CHECK(
[whether the compiler allows a static member variable to be initialized inline to std::string::npos],
[glibmm_cv_cxx_has_allows_static_inline_npos],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <string>
#include <iostream>
class ustringtest
{
public:
//The MipsPro compiler (IRIX) says "The indicated constant value is not known",
//so we need to initalize the static member data elsewhere.
static const std::string::size_type ustringnpos = std::string::npos;
};
]],[[
std::cout << "npos=" << ustringtest::ustringnpos << std::endl;
]])],
[glibmm_cv_cxx_has_allows_static_inline_npos='yes'],
[glibmm_cv_cxx_has_allows_static_inline_npos='no']
)
])
AS_VAR_IF([glibmm_cv_cxx_has_allows_static_inline_npos], ['yes'],
[AC_DEFINE([GLIBMM_HAVE_ALLOWS_STATIC_INLINE_NPOS], [1],
[Defined if a static member variable may be initialized inline to std::string::npos])])[]dnl
])
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