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25 lines
663 B
25 lines
663 B
dnl @synopsis AC_CXX_HAVE_LSTRING
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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_LSTRING.
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dnl
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dnl @category Cxx
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dnl @author James Berry
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dnl @version 2005-02-21
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dnl @license AllPermissive
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AC_DEFUN([AC_CXX_HAVE_LSTRING],
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[AC_CACHE_CHECK([whether the compiler implements L"widestring"],
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ac_cv_cxx_have_lstring,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_COMPILE_IFELSE(
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AC_LANG_SOURCE(
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[[const wchar_t* s=L"wide string";]]),
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ac_cv_cxx_have_lstring=yes, ac_cv_cxx_have_lstring=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_have_lstring" = yes; then
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AC_DEFINE(HAVE_LSTRING,,[define if the compiler implements L"widestring"])
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fi
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])
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