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  1. Qt
  2. QTBUG-90320

[REG v6.0.0-beta3 -> dev] Asking configure for an unavailable feature causes obscure crash instead of informative error message

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Details

    • Bug
    • Resolution: Duplicate
    • P1: Critical
    • None
    • 6.0.0
    • Build System: CMake
    • None
    • $ lsb_release -d
      Description: openSUSE Leap 15.2
      $ uname -a
      Linux localhost.localdomain 5.3.18-lp152.47-default #1 SMP Thu Oct 15 16:05:25 UTC 2020 (41f7396) x86_64 x86_64 x86_64 GNU/Linux
    • Linux/X11

    Description

      Follow-up to QTBUG-88282.

      Found when building Qt from CI-approved commit af8f8860 in the dev branch of qt5.git.

      When asking the old qmake-based configure to enable a feature that isn't supported by the build environment (e.g. asking for Mac and Windows-specifc features on Linux), configure outputs a somewhat informative message and terminates normally.

      $ git clone git://code.qt.io/qt/qt5.git
...
$ cd qt5
$ git checkout v6.0.0-beta3
$ perl init-repository -f
...
$ ./configure -help
...
  -schannel ............ Use Secure Channel [no] (Windows only)
  -securetransport ..... Use SecureTransport [auto] (Apple only)
...
$ ./configure -opensource -developer-build -confirm-license -schannel -securetransport
...
ERROR: Feature 'securetransport' was enabled, but the pre-condition 'config.darwin && (input.openssl == '' || input.openssl == 'no')' failed.

ERROR: Feature 'schannel' was enabled, but the pre-condition 'input.schannel == 'yes' && config.win32 && (input.openssl == '' || input.openssl == 'no')' failed.

      When doing the same thing with the cmake-based configure, it fails with no indication of what went wrong. Unlike the instances reported previously in QTBUG-88282, there is no related output earlier in the configure output.

       

      $ git clone git://code.qt.io/qt/qt5.git
...
$ cd qt5
$ git reflog
af8f8860 (HEAD -> dev, origin/dev, origin/HEAD) HEAD@{0}: pull: Fast-forward
$ perl init-repository -f
...
$ ./configure -developer-build -schannel -securetransport
...
CMake Error at /home/qt/build/af8f8860/qt5/qtbase/cmake/QtProcessConfigureArgs.cmake:797 (message):
  CMake exited with code 1.

      I wonder whether these flags are failing differently to the ones reported in QTBUG-90319 because these ones are not displayed in the big "yes/no" list near the end of the configure output.

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        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-90319 [REG v6.0.0-beta3 -> dev] Configuring with -dirctfb or -sctp when they aren't available causes obscure crash instead of informative error message

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-88282 [REG v6.0.0-beta3 -> dev] Asking configure for an unavailable feature causes obscure crash instead of informative error message

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
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              semlanik Alexey Edelev
              macadder Jason McDonald
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              Dates

                Created:
                Updated:
                Resolved:

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