cpp_clang.cpp:(.text+0x4d1): undefined reference to `llvm::vfs::getRealFileSystem()'
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Hi, all:
I'm working under
Ubuntu 22.04,➜ build lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.2 LTS Release: 22.04 Codename: jammy ➜ build gcc --version gcc (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0 Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.I failed to build Qt6 with the following ERROR messages . It looks the faults are related to LLVM ???
So, my questions:
- To build
Qt6, must I useclangrather thangcc? - How come
Qt6got anERRORrelated tollvm::vfs???
I actually failed to build
qttools, which in the end, let me remove 3 packages out from building:qttoolsqtdocqttranslations
and, I did find the connection between
qt6andllvm, out of my expectation. I've been thinking even the tools,qt6itself should have NOTHING to do withllvm. These two packages should have NO dependency relationship.➜ qttools grep -rwn "llvm" configure.cmake:120:Either set CMAKE_PREFIX_PATH or LLVM_INSTALL_DIR to the location of your llvm installation. configure.cmake:122:On macOS, you can use Homebrew's llvm package. tests/auto/qdoc/catch/catch.hpp:339: // work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852 src/linguist/lupdate/lupdatepreprocessoraction.cpp:19: llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin()); src/linguist/lupdate/lupdatepreprocessoraction.cpp:138: llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin()); src/linguist/lupdate/lupdatepreprocessoraction.cpp:145: llvm::StringRef skippedText = llvm::StringRef(begin, end - begin); src/linguist/lupdate/clangtoolastreader.h:97: clang::CompilerInstance &compiler, llvm::StringRef /* inFile */) override src/linguist/lupdate/cpp_clang.cpp:246: return [=](const clang::tooling::CommandLineArguments &args, llvm::StringRef /*unused*/) { src/linguist/lupdate/cpp_clang.cpp:275: clang::tooling::CommandLineArguments::iterator it = llvm::find(adjustedArgs, "--"); src/linguist/lupdate/cpp_clang.cpp:281:bool ClangCppParser::stringContainsTranslationInformation(llvm::StringRef ba) src/linguist/lupdate/cpp_clang.cpp:285: constexpr llvm::StringLiteral qDeclareTrFunction("Q_DECLARE_TR_FUNCTIONS("); src/linguist/lupdate/cpp_clang.cpp:286: constexpr llvm::StringLiteral qtTrNoop("QT_TR_NOOP("); src/linguist/lupdate/cpp_clang.cpp:287: constexpr llvm::StringLiteral qtTrNoopUTF8("QT_TR_NOOP)UTF8("); src/linguist/lupdate/cpp_clang.cpp:288: constexpr llvm::StringLiteral qtTrNNoop("QT_TR_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:289: constexpr llvm::StringLiteral qtTrIdNoop("QT_TRID_NOOP("); src/linguist/lupdate/cpp_clang.cpp:290: constexpr llvm::StringLiteral qtTrIdNNoop("QT_TRID_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:291: constexpr llvm::StringLiteral qtTranslateNoop("QT_TRANSLATE_NOOP("); src/linguist/lupdate/cpp_clang.cpp:292: constexpr llvm::StringLiteral qtTranslateNoopUTF8("QT_TRANSLATE_NOOP_UTF8("); src/linguist/lupdate/cpp_clang.cpp:293: constexpr llvm::StringLiteral qtTranslateNNoop("QT_TRANSLATE_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:294: constexpr llvm::StringLiteral qtTranslateNoop3("QT_TRANSLATE_NOOP3("); src/linguist/lupdate/cpp_clang.cpp:295: constexpr llvm::StringLiteral qtTranslateNoop3UTF8("QT_TRANSLATE_NOOP3_UTF8("); src/linguist/lupdate/cpp_clang.cpp:296: constexpr llvm::StringLiteral qtTranslateNNoop3("QT_TRANSLATE_N_NOOP3("); src/linguist/lupdate/cpp_clang.cpp:297: constexpr llvm::StringLiteral translatorComment("TRANSLATOR "); src/linguist/lupdate/cpp_clang.cpp:298: constexpr llvm::StringLiteral qtTrId("qtTrId("); src/linguist/lupdate/cpp_clang.cpp:299: constexpr llvm::StringLiteral tr("tr("); src/linguist/lupdate/cpp_clang.cpp:300: constexpr llvm::StringLiteral trUtf8("trUtf8("); src/linguist/lupdate/cpp_clang.cpp:301: constexpr llvm::StringLiteral translate("translate("); src/linguist/lupdate/cpp_clang.cpp:304: const auto baSliced = ba.slice(pos, llvm::StringRef::npos); src/linguist/lupdate/cpp_clang.cpp:305: if (pos != llvm::StringRef::npos) { src/linguist/lupdate/clangtoolastreader.cpp:24: clang::StringLiteral *stringLit = llvm::dyn_cast_or_null<clang::StringLiteral>(child); src/linguist/lupdate/clangtoolastreader.cpp:53: clang::AccessSpecDecl *accessSpec = llvm::dyn_cast<clang::AccessSpecDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:54: clang::CXXMethodDecl *method = llvm::dyn_cast<clang::CXXMethodDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:161: clang::CXXRecordDecl *recordDecl = llvm::dyn_cast<clang::CXXRecordDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:195: llvm::raw_string_ostream tmp(context); src/linguist/lupdate/clangtoolastreader.cpp:220: bool hasQuote(llvm::StringRef source) src/linguist/lupdate/clangtoolastreader.cpp:225: bool trFunctionPresent(llvm::StringRef text) src/linguist/lupdate/clangtoolastreader.cpp:227: if (text.contains(llvm::StringRef("qtTrId("))) src/linguist/lupdate/clangtoolastreader.cpp:229: if (text.contains(llvm::StringRef("tr("))) src/linguist/lupdate/clangtoolastreader.cpp:231: if (text.contains(llvm::StringRef("trUtf8("))) src/linguist/lupdate/clangtoolastreader.cpp:233: if (text.contains(llvm::StringRef("translate("))) src/linguist/lupdate/clangtoolastreader.cpp:235: if (text.contains(llvm::StringRef("Q_DECLARE_TR_FUNCTIONS("))) src/linguist/lupdate/clangtoolastreader.cpp:237: if (text.contains(llvm::StringRef("QT_TR_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:239: if (text.contains(llvm::StringRef("QT_TRID_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:241: if (text.contains(llvm::StringRef("QT_TRANSLATE_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:243: if (text.contains(llvm::StringRef("QT_TRANSLATE_N_NOOP3("))) src/linguist/lupdate/clangtoolastreader.cpp:245: if (text.contains(llvm::StringRef("QT_TR_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:247: if (text.contains(llvm::StringRef("QT_TRID_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:249: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:251: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP3("))) src/linguist/lupdate/clangtoolastreader.cpp:253: if (text.contains(llvm::StringRef("QT_TR_NOOP_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:255: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:257: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP3_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:370: llvm::raw_string_ostream temp(arguments[i]); src/linguist/lupdate/clangtoolastreader.cpp:564: llvm::StringRef text(buffer + commentEndDecomp.second, src/linguist/lupdate/clangtoolastreader.cpp:569: if (text.find_first_of(";}#@") != llvm::StringRef::npos) { src/linguist/lupdate/clangtoolastreader.cpp:574: if (sameLineComment && text.find_first_of(",") != llvm::StringRef::npos) { src/linguist/lupdate/cpp_clang.h:21:#include <llvm/ADT/StringRef.h> src/linguist/lupdate/cpp_clang.h:36:inline QString toQt(llvm::StringRef str) src/linguist/lupdate/cpp_clang.h:245: inline QString cleanQuote(llvm::StringRef s, QuoteCompulsary quote) src/linguist/lupdate/cpp_clang.h:308: bool stringContainsTranslationInformation(llvm::StringRef ba); src/qdoc/clangcodeparser.cpp:988: // llvm to expose some of the C++ API methods that would src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:23: \note \l{QDoc Manual}{QDoc} requires \l{http://clang.llvm.org}{Clang} src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:641: \l {https://llvm.org/}{the LLVM Compiler Infrastructure Project}. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:643: \l{http://clang.llvm.org}{Clang 8.0} or later. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:659: \l{https://formulae.brew.sh/formula/llvm}{llvm formula}. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:662: \note the prebuilt binaries from \l{http://releases.llvm.org/download.html} src/assistant/qlitehtml/.clang-format:14:# [2] https://clang.llvm.org/docs/ClangFormatStyleOptions.htmlAnyway.... Now, successfully built after removing the above 3 packages from building.
Well, of course, don't forget to NOT use the to-be-deprecatedFileDescriptor::SYNTAX_PROTO3:/*** going to be deprecated. if (file->syntax() != FileDescriptor::SYNTAX_PROTO3) { *error = "Invalid proto used. qtprotobufgen only supports 'proto3' syntax"; return false; } ***/Cheers
Welcome to Longer Vision
https://www.longervision.com - To build
-
Hi, all:
I'm working under
Ubuntu 22.04,➜ build lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.2 LTS Release: 22.04 Codename: jammy ➜ build gcc --version gcc (Ubuntu 11.3.0-1ubuntu1~22.04.1) 11.3.0 Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.I failed to build Qt6 with the following ERROR messages . It looks the faults are related to LLVM ???
So, my questions:
- To build
Qt6, must I useclangrather thangcc? - How come
Qt6got anERRORrelated tollvm::vfs???
I actually failed to build
qttools, which in the end, let me remove 3 packages out from building:qttoolsqtdocqttranslations
and, I did find the connection between
qt6andllvm, out of my expectation. I've been thinking even the tools,qt6itself should have NOTHING to do withllvm. These two packages should have NO dependency relationship.➜ qttools grep -rwn "llvm" configure.cmake:120:Either set CMAKE_PREFIX_PATH or LLVM_INSTALL_DIR to the location of your llvm installation. configure.cmake:122:On macOS, you can use Homebrew's llvm package. tests/auto/qdoc/catch/catch.hpp:339: // work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852 src/linguist/lupdate/lupdatepreprocessoraction.cpp:19: llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin()); src/linguist/lupdate/lupdatepreprocessoraction.cpp:138: llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin()); src/linguist/lupdate/lupdatepreprocessoraction.cpp:145: llvm::StringRef skippedText = llvm::StringRef(begin, end - begin); src/linguist/lupdate/clangtoolastreader.h:97: clang::CompilerInstance &compiler, llvm::StringRef /* inFile */) override src/linguist/lupdate/cpp_clang.cpp:246: return [=](const clang::tooling::CommandLineArguments &args, llvm::StringRef /*unused*/) { src/linguist/lupdate/cpp_clang.cpp:275: clang::tooling::CommandLineArguments::iterator it = llvm::find(adjustedArgs, "--"); src/linguist/lupdate/cpp_clang.cpp:281:bool ClangCppParser::stringContainsTranslationInformation(llvm::StringRef ba) src/linguist/lupdate/cpp_clang.cpp:285: constexpr llvm::StringLiteral qDeclareTrFunction("Q_DECLARE_TR_FUNCTIONS("); src/linguist/lupdate/cpp_clang.cpp:286: constexpr llvm::StringLiteral qtTrNoop("QT_TR_NOOP("); src/linguist/lupdate/cpp_clang.cpp:287: constexpr llvm::StringLiteral qtTrNoopUTF8("QT_TR_NOOP)UTF8("); src/linguist/lupdate/cpp_clang.cpp:288: constexpr llvm::StringLiteral qtTrNNoop("QT_TR_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:289: constexpr llvm::StringLiteral qtTrIdNoop("QT_TRID_NOOP("); src/linguist/lupdate/cpp_clang.cpp:290: constexpr llvm::StringLiteral qtTrIdNNoop("QT_TRID_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:291: constexpr llvm::StringLiteral qtTranslateNoop("QT_TRANSLATE_NOOP("); src/linguist/lupdate/cpp_clang.cpp:292: constexpr llvm::StringLiteral qtTranslateNoopUTF8("QT_TRANSLATE_NOOP_UTF8("); src/linguist/lupdate/cpp_clang.cpp:293: constexpr llvm::StringLiteral qtTranslateNNoop("QT_TRANSLATE_N_NOOP("); src/linguist/lupdate/cpp_clang.cpp:294: constexpr llvm::StringLiteral qtTranslateNoop3("QT_TRANSLATE_NOOP3("); src/linguist/lupdate/cpp_clang.cpp:295: constexpr llvm::StringLiteral qtTranslateNoop3UTF8("QT_TRANSLATE_NOOP3_UTF8("); src/linguist/lupdate/cpp_clang.cpp:296: constexpr llvm::StringLiteral qtTranslateNNoop3("QT_TRANSLATE_N_NOOP3("); src/linguist/lupdate/cpp_clang.cpp:297: constexpr llvm::StringLiteral translatorComment("TRANSLATOR "); src/linguist/lupdate/cpp_clang.cpp:298: constexpr llvm::StringLiteral qtTrId("qtTrId("); src/linguist/lupdate/cpp_clang.cpp:299: constexpr llvm::StringLiteral tr("tr("); src/linguist/lupdate/cpp_clang.cpp:300: constexpr llvm::StringLiteral trUtf8("trUtf8("); src/linguist/lupdate/cpp_clang.cpp:301: constexpr llvm::StringLiteral translate("translate("); src/linguist/lupdate/cpp_clang.cpp:304: const auto baSliced = ba.slice(pos, llvm::StringRef::npos); src/linguist/lupdate/cpp_clang.cpp:305: if (pos != llvm::StringRef::npos) { src/linguist/lupdate/clangtoolastreader.cpp:24: clang::StringLiteral *stringLit = llvm::dyn_cast_or_null<clang::StringLiteral>(child); src/linguist/lupdate/clangtoolastreader.cpp:53: clang::AccessSpecDecl *accessSpec = llvm::dyn_cast<clang::AccessSpecDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:54: clang::CXXMethodDecl *method = llvm::dyn_cast<clang::CXXMethodDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:161: clang::CXXRecordDecl *recordDecl = llvm::dyn_cast<clang::CXXRecordDecl>(decl); src/linguist/lupdate/clangtoolastreader.cpp:195: llvm::raw_string_ostream tmp(context); src/linguist/lupdate/clangtoolastreader.cpp:220: bool hasQuote(llvm::StringRef source) src/linguist/lupdate/clangtoolastreader.cpp:225: bool trFunctionPresent(llvm::StringRef text) src/linguist/lupdate/clangtoolastreader.cpp:227: if (text.contains(llvm::StringRef("qtTrId("))) src/linguist/lupdate/clangtoolastreader.cpp:229: if (text.contains(llvm::StringRef("tr("))) src/linguist/lupdate/clangtoolastreader.cpp:231: if (text.contains(llvm::StringRef("trUtf8("))) src/linguist/lupdate/clangtoolastreader.cpp:233: if (text.contains(llvm::StringRef("translate("))) src/linguist/lupdate/clangtoolastreader.cpp:235: if (text.contains(llvm::StringRef("Q_DECLARE_TR_FUNCTIONS("))) src/linguist/lupdate/clangtoolastreader.cpp:237: if (text.contains(llvm::StringRef("QT_TR_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:239: if (text.contains(llvm::StringRef("QT_TRID_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:241: if (text.contains(llvm::StringRef("QT_TRANSLATE_N_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:243: if (text.contains(llvm::StringRef("QT_TRANSLATE_N_NOOP3("))) src/linguist/lupdate/clangtoolastreader.cpp:245: if (text.contains(llvm::StringRef("QT_TR_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:247: if (text.contains(llvm::StringRef("QT_TRID_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:249: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP("))) src/linguist/lupdate/clangtoolastreader.cpp:251: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP3("))) src/linguist/lupdate/clangtoolastreader.cpp:253: if (text.contains(llvm::StringRef("QT_TR_NOOP_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:255: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:257: if (text.contains(llvm::StringRef("QT_TRANSLATE_NOOP3_UTF8("))) src/linguist/lupdate/clangtoolastreader.cpp:370: llvm::raw_string_ostream temp(arguments[i]); src/linguist/lupdate/clangtoolastreader.cpp:564: llvm::StringRef text(buffer + commentEndDecomp.second, src/linguist/lupdate/clangtoolastreader.cpp:569: if (text.find_first_of(";}#@") != llvm::StringRef::npos) { src/linguist/lupdate/clangtoolastreader.cpp:574: if (sameLineComment && text.find_first_of(",") != llvm::StringRef::npos) { src/linguist/lupdate/cpp_clang.h:21:#include <llvm/ADT/StringRef.h> src/linguist/lupdate/cpp_clang.h:36:inline QString toQt(llvm::StringRef str) src/linguist/lupdate/cpp_clang.h:245: inline QString cleanQuote(llvm::StringRef s, QuoteCompulsary quote) src/linguist/lupdate/cpp_clang.h:308: bool stringContainsTranslationInformation(llvm::StringRef ba); src/qdoc/clangcodeparser.cpp:988: // llvm to expose some of the C++ API methods that would src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:23: \note \l{QDoc Manual}{QDoc} requires \l{http://clang.llvm.org}{Clang} src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:641: \l {https://llvm.org/}{the LLVM Compiler Infrastructure Project}. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:643: \l{http://clang.llvm.org}{Clang 8.0} or later. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:659: \l{https://formulae.brew.sh/formula/llvm}{llvm formula}. src/qdoc/doc/qdoc-guide/qdoc-guide.qdoc:662: \note the prebuilt binaries from \l{http://releases.llvm.org/download.html} src/assistant/qlitehtml/.clang-format:14:# [2] https://clang.llvm.org/docs/ClangFormatStyleOptions.htmlAnyway.... Now, successfully built after removing the above 3 packages from building.
Well, of course, don't forget to NOT use the to-be-deprecatedFileDescriptor::SYNTAX_PROTO3:/*** going to be deprecated. if (file->syntax() != FileDescriptor::SYNTAX_PROTO3) { *error = "Invalid proto used. qtprotobufgen only supports 'proto3' syntax"; return false; } ***/Cheers
Hi,
llvm is used for QDoc to parse and analyse client code. It's not related to the compilation of Qt itself where you can use gcc or clang based on your preference and its availability.
- To build
