Target qrcodegencpp::qrcodegencpp does not seem to work

[tytan652]

Problem details

Continuation of what said in obsproject/obs-deps#182.

The target qrcodegencpp::qrcodegencpp does not seem to work unlike qrcodegencpp that does work.

Steps to reproduce

1. Install qrcodegencpp with this CMake "patch"
2. Apply the patch https://src.fedoraproject.org/rpms/obs-studio/blob/rawhide/f/obs-studio-websocket-use-system-qrcodegencpp.patch to a clone of obs-studio repo
3. Replace qrcodegencpp by qrcodegencpp::qrcodegencpp in the target_link_libraries() of obs-websocket legacy.cmake file (we are progressively rewriting our CMake per OS/Platform so it might be weird for you)
4. The project will error while configuring

Expected behavior

No configuration error, qrcodegencpp::qrcodegencpp must have worked.

Actual behavior

The target qrcodegencpp::qrcodegencpp is not found.

Project version

1.8.0

OS name and version

Arch Linux (with qrcodegen-cmake AUR package)

C/C++ compiler

GCC

Compiler version

12.2.1

CMake version

3.26.3

Logs

-- Configuring done (2.7s)
CMake Error at plugins/obs-websocket/cmake/legacy.cmake:131 (target_link_libraries):
  Target "obs-websocket" links to:

    qrcodegencpp::qrcodegencpp

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.

Call Stack (most recent call first):
  cmake/Modules/ObsHelpers.cmake:519 (include)
  plugins/obs-websocket/CMakeLists.txt:3 (legacy_check)


-- Generating done (0.1s)
CMake Generate step failed.  Build files cannot be regenerated correctly.
*** Failure: Exit code 1 ***

[xvitaly]

Can you post generated qrcodegen-cpp-targets*.cmake files?

[tytan652]

#----------------------------------------------------------------
# Generated CMake target import file for configuration "Release".
#----------------------------------------------------------------

# Commands may need to know the format version.
set(CMAKE_IMPORT_FILE_VERSION 1)

# Import target "qrcodegencpp::qrcodegencpp" for configuration "Release"
set_property(TARGET qrcodegencpp::qrcodegencpp APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(qrcodegencpp::qrcodegencpp PROPERTIES
  IMPORTED_LOCATION_RELEASE "${_IMPORT_PREFIX}/lib/libqrcodegencpp.so.1.8.0"
  IMPORTED_SONAME_RELEASE "libqrcodegencpp.so.1"
  )

list(APPEND _cmake_import_check_targets qrcodegencpp::qrcodegencpp )
list(APPEND _cmake_import_check_files_for_qrcodegencpp::qrcodegencpp "${_IMPORT_PREFIX}/lib/libqrcodegencpp.so.1.8.0" )

# Commands beyond this point should not need to know the version.
set(CMAKE_IMPORT_FILE_VERSION)

[xvitaly]

qrcodegencpp::qrcodegencpp target exists. It's very strange.

[xvitaly]

I was able to reproduce.

[leha-bot]

Hello, @tytan652 , may you check a possible fix in #20, please?

[tytan652]

The target qrcodegencpp::qrcodegencpp now works with master.

[xvitaly]

The target qrcodegencpp::qrcodegencpp now works with master.

Great. Thanks for the report and testing. Tagged as v1.8.0-cmake2.