https://bugs.kde.org/show_bug.cgi?id=440313
Bug ID: 440313
Summary: digiKam 7.3.0 FTBFS with Qt 5.9.5
Product: digikam
Version: 7.3.0
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Database
Assignee: digikam-bugs-n...@kde.org
Reporter: savo...@savos.tech
Target Milestone: ---
Created attachment 140347
--> https://bugs.kde.org/attachment.cgi?id=140347&action=edit
Patch to fix FTBFS
SUMMARY
digiKam 7.3.0 FTBFS with Qt 5.9.5 due introducing use of the QScopedPointer get
function (added in Qt 5.11).
STEPS TO REPRODUCE
1. Download digiKam 7.3.0 source and extract.
2. Attempt building source using pbuilder in a clean chroot with all
appropriate build dependencies including Qt 5.9.5 (and KDE 5.44.0).
3. Build fails with errors as described below.
OBSERVED RESULT
The build fails with repeated errors relative a QScopedPointer function:
"no member named 'get'"
These errors are due use of the get function in three files (see below).
EXPECTED RESULT
That the build succeeds with Qt 5.9.5 as Qt 5.9 is listed as the minimum Qt
build dependency for digiKam.
SOFTWARE/OS VERSIONS
Windows: n/a
macOS: n/a
Linux/KDE Plasma: Ubuntu 18.04 / KDE 5.44
(available in About System)
KDE Plasma Version: 5.44
KDE Frameworks Version: 5.44
Qt Version: 5.9.5
ADDITIONAL INFORMATION
With digiKam 7.3.0 three source files are now using the QScopedPointer get
function found only in Qt 5.11 and newer. Those files are as follows:
core/libs/database/dbjobs/dbjobsthread.cpp
core/libs/database/haar/haariface_p.cpp
core/libs/dngwriter/dngwriter_convert.cpp
Yet Mainpage.dox still lists Qt 5.9 as a sufficient build dependency. Please
change use of QScopedPointer get function to data function, which is identical
according to official documentation, so that the build can still be successful
without patching on Qt 5.9.5 (as found in Ubuntu 18.04 LTS Bionic, for
example). The attached patch fixes the build for Qt 5.9.5 by making the
suggested change.
Official documentation of relevance is found here:
https://doc.qt.io/archives/qt-5.11/qscopedpointer.html
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