Initial import
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/xerces-c-3.0.0@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
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dnl @synopsis AC_CXX_HAVE_NAMESPACES
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dnl
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dnl If the compiler can prevent names clashes using namespaces, define
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dnl HAVE_NAMESPACES.
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dnl
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dnl @category Cxx
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dnl @author Todd Veldhuizen
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dnl @author Luc Maisonobe <luc@spaceroots.org>
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dnl @version 2004-02-04
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dnl @license AllPermissive
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AC_DEFUN([AC_CXX_HAVE_NAMESPACES],
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[AC_CACHE_CHECK(whether the compiler implements namespaces,
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ac_cv_cxx_have_namespaces,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
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[using namespace Outer::Inner; return i;],
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ac_cv_cxx_have_namespaces=yes, ac_cv_cxx_have_namespaces=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_have_namespaces" = yes; then
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AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces])
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fi
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])
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