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[Moved] symbol(s) not found for architecture x86_64

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  • C Offline
    C Offline
    calumcjr
    wrote on last edited by
    #1

    Hi,

    I'm using Qt Creator 2.1.0 (based on Qt 4.7.1 64 bit) on my Apple Mac, and I've run into a build problem when trying to reference symbol EVP_sha1() which resides in libssl.dylib. I get the following error:

    @Undefined symbols for architecture x86_64:
    "_EVP_sha1", referenced from:
    make: Leaving directory `/Users/cjr/Documents/development/qt/TestSSL-build-desktop'@

    In my .pro file, I have the line:

    @LIBS += -L/usr/lib -lssl@

    and my code is:

    @#include <QtCore/QCoreApplication>
    #include <openssl/sha.h>
    #include <openssl/hmac.h>

    int main(int argc, char *argv[])
    {
    QCoreApplication a(argc, argv);

    unsigned char *key      = (unsigned char *)"MySecretKey";
    unsigned char *message  = (unsigned char *)"FakeRequestDescription";
    unsigned char out[30];
    unsigned int len = 0;
    
    HMAC(EVP_sha1(),
         key,
         11,
         message,
         22,
         out,
         &len);
    
    return a.exec&#40;&#41;;
    

    }
    @

    Using nm on the libssl.dylib shows the following output:

    @MacBook-Pro:lib cjr$ file libssl.dylib
    libssl.dylib: Mach-O universal binary with 3 architectures
    libssl.dylib (for architecture x86_64): Mach-O 64-bit dynamically linked shared library x86_64
    libssl.dylib (for architecture i386): Mach-O dynamically linked shared library i386
    libssl.dylib (for architecture ppc7400): Mach-O dynamically linked shared library ppc@

    Does anyone have any ideas on what I can do to get this working?

    Thanks.

    1 Reply Last reply
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    • G Offline
      G Offline
      goetz
      wrote on last edited by
      #2

      Which OS X SDK are you compiling against?
      If it is 10.4u, this does not contain 64bit symbols (and I think it's actually linked against /Developer/SDKs/MacOSX10.4u.sdk/usr/lib/libssl.dylib then)

      http://www.catb.org/~esr/faqs/smart-questions.html

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      • C Offline
        C Offline
        calumcjr
        wrote on last edited by
        #3

        Hi there,

        Thanks for the reply. I'm using the 10.6 OS X SDK. I've also just tried explicitly linking like this, to no avail:

        @LIBS += /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libssl.dylib@

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        • G Offline
          G Offline
          goetz
          wrote on last edited by
          #4

          Very strange. It works for me:

          @
          LIBS += -lssl -lcrypto
          @

          No additional paths (/usr/lib is in the list anyways) and with pure x86_64 build (no i386, no ppc). Can you upload /usr/lib/libssl.dylib (resp. the file that symlink points to) somewhere? I'll have a look at it and will compare it against that in my system (OS X 10.6.7).

          Ah, and can you post the output of the compilation, please. I'd like to know how the compiler is acutally called.

          I moved this thread to the Tools forum, as it's not Qt related.

          http://www.catb.org/~esr/faqs/smart-questions.html

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          • C Offline
            C Offline
            calumcjr
            wrote on last edited by
            #5

            Thanks for your help.

            I've placed the file "here":http://dl.dropbox.com/u/23162179/libssl.dylib.zip.

            Unsure if it is important but the version of the library in /usr/lib is larger than the one in /Developer/SDKs/MacOSX10.6.sdk/usr/lib

            The output of the compilation is as follows:

            Running build steps for project TestSSL...
            Configuration unchanged, skipping qmake step.
            Starting: "/usr/bin/make" -w
            make: Entering directory /Users/cjr/Documents/development/qt/TestSSL-build-desktop' g++ -c -pipe -g -gdwarf-2 -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.5 -Wall -W -DQT_CORE_LIB -I../../../../QtSDK/Desktop/Qt/473/gcc/mkspecs/macx-g++ -I../TestSSL -I../../../../QtSDK/Desktop/Qt/473/gcc/lib/QtCore.framework/Versions/4/Headers -I../../../../QtSDK/Desktop/Qt/473/gcc/include/QtCore -I../../../../QtSDK/Desktop/Qt/473/gcc/include -I. -I../TestSSL -I. -F/Users/cjr/QtSDK/Desktop/Qt/473/gcc/lib -o main.o ../TestSSL/main.cpp g++ -headerpad_max_install_names -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.5 -o TestSSL main.o -F/Users/cjr/QtSDK/Desktop/Qt/473/gcc/lib -L/Users/cjr/QtSDK/Desktop/Qt/473/gcc/lib /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libssl.dylib -framework QtCore Undefined symbols for architecture x86_64: "_EVP_sha1", referenced from: make: Leaving directory /Users/cjr/Documents/development/qt/TestSSL-build-desktop'
            _main in main.o
            "_HMAC", referenced from:
            _main in main.o
            ld: symbol(s) not found for architecture x86_64
            collect2: ld returned 1 exit status
            make: *** [TestSSL] Error 1
            The process "/usr/bin/make" exited with code 2.
            Error while building project TestSSL (target: Desktop)
            When executing build step 'Make'

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            • G Offline
              G Offline
              goetz
              wrote on last edited by
              #6

              Ok, found the error. The files are identical (bitwise), so no need to worry about this. You seem to have in your .pro something like this:

              @
              LIBS += /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libssl.dylib
              @

              This is wrong. The files in the SDKs subdirs are only library stubs, the do not contain actual code (so we found the reason why they're smaller than those in /usr/lib).

              Please replace the line above by

              @
              LIBS += -lssl -lcrypto
              @

              And have a look if you have other references to that SDK dir, other than

              @
              QMAKE_MAC_SDK=/Developer/SDKs/MacOSX10.6.sdk
              @

              If you do have, please remove them too.

              This is a complete small project that works for me:

              ------ test.pro ------
              @
              QT -= core
              TARGET = SimpleConsoleTest
              CONFIG += console
              CONFIG -= app_bundle
              CONFIG += x86_64
              CONFIG -= i386
              TEMPLATE = app
              LIBS += -lssl -lcrypto
              SOURCES += main.cpp
              @

              ------ main.cpp ------
              @
              #include <QtCore/QCoreApplication>
              #include <QtCore/QDebug>
              #include <openssl/sha.h>
              #include <openssl/hmac.h>

              int main(int argc, char *argv[])
              {
              QCoreApplication a(argc, argv);

              unsigned char *key      = (unsigned char *)"MySecretKey";
              unsigned char *message  = (unsigned char *)"FakeRequestDescription";
              unsigned char out[30];
              unsigned int len = 0;
              
              qDebug() << "key:" << (char*)key;
              qDebug() << "msg:" << (char*)message;
              
              HMAC(EVP_sha1(),
                   key,
                   11,
                   message,
                   22,
                   out,
                   &len);
              
              qDebug() << "out:" << (char*)out;
              
              return 0;
              

              }
              @

              http://www.catb.org/~esr/faqs/smart-questions.html

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              • C Offline
                C Offline
                calumcjr
                wrote on last edited by
                #7

                Thanks Volker, that did the trick. It was because I was missing -lcrypto from the LIBS line.

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                • T Offline
                  T Offline
                  thisaintme
                  wrote on last edited by
                  #8

                  Hi,

                  for some reason I'm having the same problem as calumcjr. I'm using Qt 4.7.3 on my Mac (OS X.6.7).
                  I tried to run my project from Qt Creator and from eclipse but I keep getting the above mentioned error message.

                  Background: I need to implement a few functionalities into a given framework that wasn't created by myself.
                  As the framework is quite large, I think it's not useful to post it here. And as the above mentioned problem could be solved by modifying the pro-file I think that's where my problem might be as well.

                  So here's my pro-file:
                  @#-------------------------------------------------

                  Project created by QtCreator 2011-06-17T13:45:15

                  #-------------------------------------------------

                  QT += core gui

                  TARGET = Ueb03
                  TEMPLATE = app
                  DEPENDPATH += . src
                  INCLUDEPATH += . src
                  CONFIG -= app_bundle
                  CONFIG += x86_64
                  CONFIG -= i386
                  LIBS += -lssl -lcrypto

                  HEADERS += src/Geometry.h
                  src/MainWindow.h
                  src/Model.h
                  src/MovingBox.h
                  src/RollingBall.h
                  src/RotatingCow.h
                  src/RotationWidget.h
                  SOURCES += src/Geometry.cpp
                  src/main.cpp
                  src/MainWindow.cpp
                  src/Model.cpp
                  src/MovingBox.cpp
                  src/RollingBall.cpp
                  src/RotatingCow.cpp
                  src/RotationWidget.cpp
                  @

                  I made a few modifications according to the sampe pro file. Yet I get this error message:
                  error: symbol(s) not found for architecture x86_64

                  If you need any further information, please let me know.

                  Thanks a lot in advance.

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                  • G Offline
                    G Offline
                    goetz
                    wrote on last edited by
                    #9

                    thisaintme, it's not clear in what step and which object file the architecture is missing. Please check those with

                    @
                    file name-of-file-or-lib
                    @

                    it should print out all the architectures that are contained in your file.

                    First start with the lib you are linking to. You must have the same architectures (or less), but no more additional ones in your project.

                    http://www.catb.org/~esr/faqs/smart-questions.html

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                    • T Offline
                      T Offline
                      thisaintme
                      wrote on last edited by
                      #10

                      Hi Volker,

                      here's what I get when running the file-command:

                      @Geometry.o: Mach-O 64-bit object x86_64
                      MainWindow.o: Mach-O 64-bit object x86_64
                      Model.o: Mach-O 64-bit object x86_64
                      MovingBox.o: Mach-O 64-bit object x86_64
                      RollingBall.o: Mach-O 64-bit object x86_64
                      RotatingCow.o: Mach-O 64-bit object x86_64
                      RotationWidget.o: Mach-O 64-bit object x86_64
                      main.o: Mach-O 64-bit object x86_64
                      moc_MainWindow.o: Mach-O 64-bit object x86_64
                      moc_MovingBox.o: Mach-O 64-bit object x86_64
                      moc_RollingBall.o: Mach-O 64-bit object x86_64
                      moc_RotatingCow.o: Mach-O 64-bit object x86_64
                      moc_RotationWidget.o: Mach-O 64-bit object x86_64@

                      So it looks like the linked objects all are x86_64.
                      Any idea, what the problem might be?

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                      • G Offline
                        G Offline
                        goetz
                        wrote on last edited by
                        #11

                        Problem seems more to be on a lib that's tried to be linked.

                        http://www.catb.org/~esr/faqs/smart-questions.html

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                        • T Offline
                          T Offline
                          thisaintme
                          wrote on last edited by
                          #12

                          In my makefile the libs-line looks like this:

                          @LIBS = $(SUBLIBS) -F/Users/username/QtSDK/Simulator/Qt/gcc/lib -L/Users/username/QtSDK/Simulator/Qt/gcc/lib -framework QtGui -framework QtCore @

                          I don't know what $(SUBLIBS) stands for, but for the rest I think it should all be x86_64.
                          Anything else I should check?

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                          • G Offline
                            G Offline
                            goetz
                            wrote on last edited by
                            #13

                            Best bet would be to look at the output of the compiler pane. It shows you the exact command line that is used for linking. You would have to check all of the libs on that.

                            http://www.catb.org/~esr/faqs/smart-questions.html

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                            • T Offline
                              T Offline
                              thisaintme
                              wrote on last edited by
                              #14

                              This is the output of the compiler pane:
                              @make: Entering directory `/Users/username/Documents/workspace/Qt/Ueb03-build-desktop'
                              /Users/username/QtSDK/Desktop/Qt/473/gcc/bin/qmake -spec ../../../../QtSDK/Desktop/Qt/473/gcc/mkspecs/macx-g++
                              <QMLJSDEBUGGER_PATH=/Users/username/QtSDK/Qt\ Creator.app/Contents/Resources/qml/qmljsdebugger -o Makefile ../Ueb03/Ueb03.pro
                              @
                              (End of part 1)

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                              • T Offline
                                T Offline
                                thisaintme
                                wrote on last edited by
                                #15

                                (Part 2)
                                @make: Leaving directory /Users/username/Documents/workspace/Qt/Ueb03-build-desktop' make: Entering directory /Users/username/Documents/workspace/Qt/Ueb03-build-desktop'
                                g++ -headerpad_max_install_names -arch x86_64 -Xarch_x86_64 -mmacosx-version-min=10.5 -o Ueb03.app/Contents/MacOS/Ueb03 Geometry.o main.o MainWindow.o Model.o MovingBox.o RollingBall.o RotatingCow.o RotationWidget.o moc_MainWindow.o moc_MovingBox.o moc_RollingBall.o moc_RotatingCow.o moc_RotationWidget.o -F/Users/username/QtSDK/Desktop/Qt/473/gcc/lib -L/Users/username/QtSDK/Desktop/Qt/473/gcc/lib -framework QtGui -framework QtCore@

                                I don't know exactly where linking part comes but I don't see any files or libraries that are not x86_64...

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                                • G Offline
                                  G Offline
                                  goetz
                                  wrote on last edited by
                                  #16

                                  This should probably work. I cannot see the external framework that you link to.

                                  I never installed the SDK version of the Qt libs, so I don't know if those contain a x86_64 version. You might want to check the output of

                                  @
                                  lipo -info /Users/username/QtSDK/Desktop/Qt/473/gcc/lib/QtGui.framework/QtGui
                                  lipo -info /Users/username/QtSDK/Desktop/Qt/473/gcc/lib/QtCore.framework/QtCore
                                  @

                                  it should contain x86_64

                                  http://www.catb.org/~esr/faqs/smart-questions.html

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