Build Qt debug and release builds



  • Hi,

    I'm building Qt from source, but somehow I'm always ending up with the debug dll/lib's (Qt*d.lib).
    Here's what I'm doing:
    @
    $qtbase> configure -debug -nomake examples -nomake tests -opensource -prefix C:\Qt\5.2.1\selfbuilt_msvc2013_64
    $qtbase> nmake
    $qtbase> nmake install
    $qtbase> nmake confclean
    $qtbase> configure -release -nomake examples -nomake tests -opensource -prefix C:\Qt\5.2.1\selfbuilt_msvc2013_64
    $qtbase> nmake
    $qtbase> nmake install
    @
    The second nmake install just also copies the debug libraries.
    I also tried
    @$qtbase> nmake release@
    but it didn't change anything.

    What am I doing wrong? Any help appreciated.

    Thanks,


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    Since you want to build both set of libraries why not just use the debug_and_release configuration option ?



  • Hi, thanks for the welcome! :-)

    I assume you mean "-debug-and-release".

    I just tried that:

    @qtbase> configure -debug-and-release -nomake examples -nomake tests -opensource -prefix C:\Qt\5.2.1\selfbuilt_msvc2013_64
    nmake install@

    and it flawlessly installed both. Nice.

    Btw, it's kind of difficult to find those options, http://qt-project.org/doc/qt-4.8/configure-options.html is out-of-date (Qt 4.8, and also the descriptions are not so good imho) and http://qt-project.org/doc/qt-5/configure-options.html is far from listing all options.


  • Lifetime Qt Champion

    Yes, sorry, I've always make that mistake.

    The configuration options for 4.8 are actual for 4.8. There's been a lot of internal changes for Qt 5. But indeed, the configuration options documentation for Qt 5 is a bit light.

    What you can do is open a new documentation bug on "the bug report system":http://bugreports.qt-project.org


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