macdeployqt mistakenly detect my library as debug libs

When deploying an application with one of its library dependencies names containing "_debug" (e.g. /usr/local/opt/abseil/lib/libabsl_debugging_internal.dylib) macdeployqt will complain it as a debug build and refuses to deploy QCocoa platform plugins.

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Digging further, the "useDebugLibs" control if debug libraries are used. Since QCocoa has no "_debug" suffix, the LHS will evaluate to false.

This for loop will continue if "useDebugLibs" is "true" in this condition

This statement is around Line 200 in main.cpp:

 Where the "deploymentInfo.isDebug" was set "true" at around Line970 in shared.cpp:

The isDebugLibrary is should be checking if the library name "ends" with the "_debug" suffix but it however does:

A "containing" check.

So my libabsl_debugging_internal.dylib breaks "macdeployqt" thus no qcocoa platform plugins are deployed.

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I've uploaded a minimal proof of concept:

Download and extract the zip

1. To Compile and run macdeployqt

mkdir build; cd build;

cmake ..; cmake --build .

macdeployqt ./mainapp.app

• Then double-click the mainapp.app, it'll fail due to missing libqcocoa platform plugin (can verify by checking if ./mainapp.app/Contents/PlugIns exists)

Now edit the CMakeLists.txt, switch the TEST_LIBRARY_NAME variable comments. do a clean recompile with macdeployqt, it should be working after double-clicking on the app bundle.

A QMessageBox would pop-up if it works well