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libssl not found on MacOS

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  • J Offline
    J Offline
    JP Larson
    wrote on last edited by
    #1

    This was a build that had been working in the past. Here's output from the link stage. I've included linker output and the relevant portions from the .pro file.

    Linking is reporting ld: library not found for -lssl

    I added -L/usr/lib to the .pro.

    $ ll /usr/lib/libssl*
    -rwxr-xr-x 1 root wheel 212288 May 27 19:24 /usr/lib/libssl.0.9.7.dylib
    -rwxr-xr-x 1 root wheel 335888 May 27 19:24 /usr/lib/libssl.0.9.8.dylib
    -rwxr-xr-x 1 root wheel 330576 May 27 19:24 /usr/lib/libssl.35.dylib
    -rwxr-xr-x 1 root wheel 313984 May 27 19:24 /usr/lib/libssl.43.dylib
    -rwxr-xr-x 1 root wheel 300480 May 27 19:24 /usr/lib/libssl.44.dylib
    -rwxr-xr-x 1 root wheel 294016 May 27 19:24 /usr/lib/libssl.46.dylib
    -rwxr-xr-x 1 root wheel 32928 May 27 19:24 /usr/lib/libssl.dylib

    Running the build manually (cut & paste) produces the same error.

    14:56:58: Running steps for project MacControlTower...
    14:56:58: Configuration unchanged, skipping qmake step.
    14:56:58: Starting: "/usr/bin/make" -j8
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -stdlib=libc++ -headerpad_max_install_names -arch x86_64 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -mmacosx-version-min=10.14 -Wl,-rpath,@executable_path/../Frameworks -Wl,-rpath,/Applications/Qt/5.12.3/clang_64/lib -o MacControlTower.app/Contents/MacOS/MacControlTower BaseREST.o CaptionEncoder.o CaptionLayout.o CaptionMessage.o ConfigSelectorWindow.o DialForm.o DirectSocket.o EndToEndForm.o MainWindow.o SetupDevicesModel.o SetupForm.o ModemBanksForm.o ControlTowerCommunications.o ModemBankCommunications.o Configuration.o Main.o SubWindow.o qrc_Icons.o moc_ConfigSelectorWindow.o moc_DialForm.o moc_DirectSocket.o moc_EndToEndForm.o moc_MainWindow.o moc_SetupForm.o moc_ModemBanksForm.o moc_SubWindow.o -F/Applications/Qt/5.12.3/clang_64/lib -L/usr/lib -L/usr/local/lib -L../../CT-StandardLibrary/lib -L../../ModemBank -lvitac-mac -lmodembank-mac -lhiredis -framework CoreFoundation -lz -llog4cplus -lpthread -lcurl -lcrossguid -lboost_system -lboost_thread-mt -lboost_filesystem -levent -lssl -lcrypto -framework QtWidgets -framework QtGui -framework QtNetwork -framework QtCore -framework DiskArbitration -framework IOKit -framework OpenGL -framework AGL
    ld: library not found for -lssl
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    make: *** [MacControlTower.app/Contents/MacOS/MacControlTower] Error 1
    14:56:58: The process "/usr/bin/make" exited with code 2.
    Error while building/deploying project MacControlTower (kit: Desktop Qt 5.12.3 clang 64bit)
    When executing step "Make"
    14:56:58: Elapsed time: 00:01.

    And the relevant parts from the .pro

    ICON = Icon.icns

    QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.14
    CONFIG+=sdk_no_version_check

    QT += core gui network widgets

    TARGET = MacControlTower
    TEMPLATE = app

    INCLUDEPATH += /usr/local/include
    INCLUDEPATH += ../../CT-StandardLibrary/src
    INCLUDEPATH += ../../CT-StandardLibrary/src/includes
    INCLUDEPATH += ../../ModemBank/src

    LIBS += -L/usr/lib -L/usr/local/lib
    LIBS += -L../../CT-StandardLibrary/lib -L../../ModemBank -lvitac-mac -lmodembank-mac -lhiredis
    LIBS += -framework CoreFoundation
    LIBS += -lz -llog4

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Why do you need OpenSSL ?

      On macOS, it has been replaced by a framework named Secure Transport.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      1
      • J Offline
        J Offline
        JP Larson
        wrote on last edited by
        #3

        I'm using a library that is compiled for both Mac and Linux. It uses boost IO for a network client. I tried removing -lssl and -lcrypto and boy, did that leave a lot of unresolved references.

        I don't understand how I can specify -L/usr/lib, then look in /usr/lib and see a bunch of libssl dylibs, but the linker says -lssl not found.

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        • J Offline
          J Offline
          JP Larson
          wrote on last edited by
          #4

          Resolved.

          I changed to point to the brew installed version of openssl with this:

          LIBS += -L/usr/local/opt/openssl/lib -L/usr/local/lib

          The problem magically went away. So I still don't know why it didn't like the Mac OS version of openssl, but I'm happier with this, anyway.

          Just wish brew were willing to install openssl into /usr/local/lib instead of fooling around this much.

          1 Reply Last reply
          1
          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #5

            The version of macOS is a leftover for backward compatibility but it's more than outdated. The official framework for cryptographic related operations is SecureTransport.

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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