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Work around a gcc bug on systems where wchar_t is not used as lyx::char_type

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15312 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Georg Baum 2006-10-12 19:18:17 +00:00
parent bd8fc3aed3
commit b0297263df
1 changed files with 24 additions and 0 deletions
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24
src/support/docstream.C
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@ -231,3 +231,27 @@ odocfstream::odocfstream(const char* s, std::ios_base::openmode mode)
} }
} }
#if (!defined(HAVE_WCHAR_T) || SIZEOF_WCHAR_T != 4) && defined(__GNUC__)
// We get undefined references to these virtual methods. This looks like
// a bug in gcc. The implementation here does not do anything useful, since
// it is overriden in utf8_codecvt_facet.
namespace std {
template<> codecvt<lyx::char_type, char, mbstate_t>::result
codecvt<lyx::char_type, char, mbstate_t>::do_out(mbstate_t &, const lyx::char_type *, const lyx::char_type *, const lyx::char_type *&,
char *, char *, char *&) const { return error; }
template<> codecvt<lyx::char_type, char, mbstate_t>::result
codecvt<lyx::char_type, char, mbstate_t>::do_unshift(mbstate_t &, char *, char *, char *&) const { return error; }
template<> codecvt<lyx::char_type, char, mbstate_t>::result
codecvt<lyx::char_type, char, mbstate_t>::do_in(mbstate_t &, const char *, const char *, const char *&,
lyx::char_type *, lyx::char_type *, lyx::char_type *&) const { return error; }
template<> int codecvt<lyx::char_type, char, mbstate_t>::do_encoding() const throw() { return 0; }
template<> bool codecvt<lyx::char_type, char, mbstate_t>::do_always_noconv() const throw() { return true; }
#if __GNUC__ == 3 && __GNUC_MINOR__ < 4
template<> int codecvt<lyx::char_type, char, mbstate_t>::do_length(mbstate_t const &, const char *, const char *, size_t) const { return 1; }
#else
template<> int codecvt<lyx::char_type, char, mbstate_t>::do_length(mbstate_t &, const char *, const char *, size_t) const { return 1; }
#endif
template<> int codecvt<lyx::char_type, char, mbstate_t>::do_max_length() const throw() { return 4; }
}
#endif