f76fc34c29
Updated libsigc++ from 2.0.6 to 2.0.17. git-svn-id: svn://localhost/ardour2/branches/2.1-staging@1413 d708f5d6-7413-0410-9779-e7cbd77b26cf
78 lines
1.9 KiB
Plaintext
78 lines
1.9 KiB
Plaintext
cv_cxx_has_namespace_std
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## SIGC_CXX_HAS_NAMESPACE_STD()
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##
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## Test whether libstdc++ declares namespace std. For safety,
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## also check whether several randomly selected STL symbols
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## are available in namespace std.
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##
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## On success, #define SIGC_HAVE_NAMESPACE_STD to 1.
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##
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AC_DEFUN([SIGC_CXX_HAS_NAMESPACE_STD],
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[
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AC_CACHE_CHECK(
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[whether C++ library symbols are declared in namespace std],
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[sigc_cv_cxx_has_namespace_std],
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[
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AC_TRY_COMPILE(
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[
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#include <algorithm>
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#include <iterator>
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#include <iostream>
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#include <string>
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],[
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using std::min;
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using std::find;
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using std::copy;
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using std::bidirectional_iterator_tag;
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using std::string;
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using std::istream;
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using std::cout;
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],
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[sigc_cv_cxx_has_namespace_std="yes"],
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[sigc_cv_cxx_has_namespace_std="no"]
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)
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])
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if test "x${sigc_cv_cxx_has_namespace_std}" = "xyes"; then
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{
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AC_DEFINE([SIGC_HAVE_NAMESPACE_STD],[1], [Defined when the libstdc++ declares the std-namespace])
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}
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fi
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])
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## SIGC_CXX_HAS_SUN_REVERSE_ITERATOR()
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##
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## Check for Sun libCstd style std::reverse_iterator, which demands more than just one template parameter.
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## and #define SIGC_HAVE_SUN_REVERSE_ITERATOR if found.
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##
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AC_DEFUN([SIGC_CXX_HAS_SUN_REVERSE_ITERATOR],
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[
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AC_REQUIRE([SIGC_CXX_HAS_NAMESPACE_STD])
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AC_CACHE_CHECK(
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[for non-standard Sun libCstd reverse_iterator],
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[sigc_cv_cxx_has_sun_reverse_iterator],
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[
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AC_TRY_COMPILE(
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[
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#include <iterator>
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#ifdef SIGC_HAVE_NAMESPACE_STD
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using namespace std;
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#endif
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],[
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typedef reverse_iterator<char*,random_access_iterator_tag,char,char&,char*,int> ReverseIter;
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],
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[sigc_cv_cxx_has_sun_reverse_iterator="yes"],
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[sigc_cv_cxx_has_sun_reverse_iterator="no"]
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)
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])
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if test "x${sigc_cv_cxx_has_sun_reverse_iterator}" = "xyes"; then
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{
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AC_DEFINE([SIGC_HAVE_SUN_REVERSE_ITERATOR],[1])
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}
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fi
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])
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