https://bugs.kde.org/show_bug.cgi?id=459214
Bug ID: 459214
Summary: A macOS-specific BUNDLE_INSTALL_DIR installs to
/Application, which is rather unwanted
Classification: Unclassified
Product: extra-cmake-modules
Version: 5.98.0
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: ecm-bugs-n...@kde.org
Reporter: m...@dawidwrobel.com
Target Milestone: ---
SUMMARY
When an add_executable() binary is cmake-installed on macOS, it ends up copied
directly into /Applications/KDE. This is defined by KDEInstallDirs5 and follows
the original assumption from 10 years ago, when KDEInstallDirs.cmake was
crafted:
https://invent.kde.org/frameworks/extra-cmake-modules/-/commit/7289a5515ef107f1d15a4743a63b298337d9a214
Not only this ignores the -DCMAKE_INSTALL_PREFIX, it goes against the paradigm
of macOS apps, where additional helper tools typically provided by
add_executable() would be added *inside* the main app bundle itself — see
https://developer.apple.com/documentation/bundleresources/placing_content_in_a_bundle
for a reference.
In this context, a library (L) should not be installing its helper tool (T)
bundle to /Application. Instead, any Application (A) which depends on library
(L) should embed that library's tooling (T) bundles inside its (A's) own
bundle.
What it means for the libraries is that bundles should be installed into
regular /bin folder, while consuming Application's packaging tooling should
copy the binaries accordingly — which, I believe, is the case for Craft.
STEPS TO REPRODUCE
1. Checkout kf5guiaddons
2. run cmake with an added -DCMAKE_INSTALL_PREFIX=/tmp/foo
3. make install
OBSERVED RESULT
(...)
-- Installing: /tmp/foo/debug/mkspecs/modules/qt_KGuiAddons.pri
-- Installing: /tmp/foo/debug/share/qlogging-categories5/kguiaddons.categories
-- Up-to-date: /Applications/KDE/kde-geo-uri-handler.app
-- Up-to-date: /Applications/KDE/kde-geo-uri-handler.app/Contents
(...)
EXPECTED RESULT
kde-geo-uri-handler.app bundle should be installed in /tmp/foo/bin/
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