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https://gitlab.com/mbunkus/mkvtoolnix.git
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b4ca4862b4
Check if utf8to32() and utf32to8() methods are available.
33 lines
751 B
Plaintext
33 lines
751 B
Plaintext
dnl
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dnl Check for UTF8-CPP
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dnl
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([utf8.h])
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if test x"$ac_cv_header_utf8_h" = xyes; then
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <utf8.h>
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#include <vector>
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]],[
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std::string s("ÁÂÃÄÅÆ");
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std::vector<int> utf32result;
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std::vector<unsigned char> utf8result;
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utf8::utf8to32(s.begin(),s.end(),std::back_inserter(utf32result));
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utf8::utf32to8(utf32result.begin(),utf32result.end(),std::back_inserter(utf8result));
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])],[ac_cv_utf8cpp=yes],[ac_cv_utf8cpp=no])
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fi
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AC_LANG_POP
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if test x"$ac_cv_utf8cpp" = xyes; then
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AC_MSG_NOTICE([Using the system version of UTF8-CPP])
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UTF8CPP_INTERNAL=no
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else
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AC_MSG_NOTICE([Using the internal version of UTF8-CPP])
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UTF8CPP_INTERNAL=yes
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fi
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AC_SUBST(UTF8CPP_INTERNAL)
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