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POQt 5 cannot deploy on SnowLeopard
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  1. POQt 5 cannot deploy on SnowLeopard
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    copied!<p>I have an issue where my app doesn't run on 10.6 Snow Leopard.</p> <p>I compile with these parameters:</p> <pre><code>qmake LSPRO.pro -r -spec macx-clang CONFIG+=release CONFIG+=x86_64 </code></pre> <p>in my Pro file, I have these elements:</p> <pre><code>TEMPLATE = app HEADERS = \ mainwindow.h \ app_mediamanager.h \ api.h \ tool_htmleditor.h \ tool_videoencoder.h \ tool_thumbnaileditor.h SOURCES = \ main.cpp \ mainwindow.cpp \ app_mediamanager.cpp \ api.cpp \ tool_htmleditor.cpp \ tool_videoencoder.cpp \ tool_thumbnaileditor.cpp QT += network webkitwidgets widgets concurrent sql QMAKE_CXXFLAGS_X86_64 += -mmacosx-version-min=10.6 QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.6 ICON = icon.icns RESOURCES = lspro.qrc </code></pre> <p>But even with a simple Hello world or the example files, it doesn't work...</p> <p>I add the libraries with macdeployqt script. When running on 10.6 I get this as error in the report:</p> <pre><code>Dyld Error Message: Library not loaded: /usr/lib/libc++.1.dylib Referenced from: /Users/username/Desktop/LSPRO.app/Contents/MacOS/../Frameworks/QtWebKitWidgets.framework/Versions/5/QtWebKitWidgets Reason: image not found </code></pre> <p>The question is simple: How can I target 10.6 from a clean Qt5 in 10.8?</p> <hr> <h2>Update 1:</h2> <p>Thanks to the comments, it looks like 10.6 didn't shipped with c++11 support yet, causing the app to crash when looking for it. I tried 2 solutions:</p> <p><strong>Failed solution1</strong> : I rebuild Qt5 with the noc++11 flag, the resulting app starts on snowleopard but fails some inner elements Videoplayer missing in Qwebkit, unable to call external binary /execute command (app crashes with EXC_BAD_ACCESS) although the binary just runs fine when called directly and probably more undiscovered.</p> <p><strong>Failed solution2</strong> : I tried naively to include the missing dylibs (libc++.1.dylib and libc++abi.dylib) in snowleopard, but the app still crashes with the message : </p> <pre><code>Dyld Error Message: Symbol not found: _NSPreferredScrollerStyleDidChangeNotification Referenced from: /Volumes/SANS TITRE/tests/LSPRO1.app/Contents/MacOS/../Frameworks/QtWidgets.framework/Versions/5/QtWidgets Expected in: /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit </code></pre> <hr> <h2>otool -L of a 5.1.0 rc1 build</h2> <pre><code>@executable_path/../Frameworks/QtWebKitWidgets.framework/Versions/5/QtWebKitWidgets (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtQuick.framework/Versions/5/QtQuick (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtQml.framework/Versions/5/QtQml (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtNetwork.framework/Versions/5/QtNetwork (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtCore.framework/Versions/5/QtCore (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtGui.framework/Versions/5/QtGui (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtOpenGL.framework/Versions/5/QtOpenGL (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtWidgets.framework/Versions/5/QtWidgets (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtPrintSupport.framework/Versions/5/QtPrintSupport (compatibility version 5.1.0, current version 5.1.0) /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 19.0.0) @executable_path/../Frameworks/QtWebKit.framework/Versions/5/QtWebKit (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtSql.framework/Versions/5/QtSql (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtSensors.framework/Versions/5/QtSensors (compatibility version 5.1.0, current version 5.1.0) @executable_path/../Frameworks/QtConcurrent.framework/Versions/5/QtConcurrent (compatibility version 5.1.0, current version 5.1.0) /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0) /System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0) /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 56.0.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0) </code></pre> <hr> <h2>SOLUTION:</h2> <p>ok finally got it to work. Compiled Qt5 (5.1.2) on snowleopard from git (have xcode 4.2 with 10.6 sdk) in my case simply with these config:</p> <pre><code>./configure -developer-build -opensource -nomake examples -nomake tests -qt-sql-mysql </code></pre> <p>I had to fix small elements in my code making the app crash without reason (variable names..) and then everything was ok.</p> <p>Just don't forget to use the mac deploy tool on 10.6 and the app runs ok on 10.8 (untested on 10.7 but I assume this is ok.)</p> <p>Hope this helps anyone.</p>
 

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