Unable to build tests

[ruse-traveler]

Environment: (where does this bug occur, have you tried other environments)

• Which branch: main
• Which version: HEAD
• Any specific OS or system where the issue occurs? no
• Any special versions of ROOT or Geant4? no

Steps to reproduce: (give a step by step account of how to trigger the bug)

Error 1: test/utils subdirectory does not exist.

1. Insert enable_testing() between lines 64 & 65 of top CMakeLists.txt file to enable testing with cmake
2. Run cmake -S . -B build -DCMAKE_INSTALL_PREFIX=~/ -DBUILD_TESTING=on (where the install prefix is arbitrary)

Error 2: source directories appear to be unscoped.

1. Comment out the add_subdirectory(utils) command on line 73 of test/CMakeLists.txt (this is to ameliorate Error 1).
2. Rerun cmake -S . -B build -DCMAKE_INSTALL_PREFIX=~/ -DBUILD_TESTING=on

Expected Result: (what do you expect when you execute the steps above)

The test executables should be built.

Actual Result: (what do you get when you execute the steps above)

In the case of Error 1, the following output is produced

-- The CXX compiler identification is Clang 16.0.6
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Warning at CMakeLists.txt:31 (find_package):
  Could not find a configuration file for package "podio" that is compatible
  with requested version "0.15".

  The following configuration files were considered but not accepted:

    /opt/local/lib/cmake/podio/podioConfig.cmake, version: 1.2.0



-- Found nlohmann_json: /opt/local/share/cmake/nlohmann_json/nlohmann_jsonConfig.cmake (found suitable version "3.11.2", minimum required is "3.11.2")
-- Found Vdt: /opt/local/include (found version "0.4")
-- Found Python: /opt/local/bin/python3.12 (found version "3.12.5") found components: Interpreter
-- Found podio: /opt/local/lib/cmake/podio/podioConfig.cmake (Required is at least version "1.0")
-- Found podio: /opt/local/lib/cmake/podio/podioConfig.cmake
-- Found EDM4HEP: /opt/local/lib/cmake/EDM4HEP/EDM4HEPConfig.cmake (Required is at least version "0.10.3")
-- Could not find .clang-format file!
-- Skip formatting of generated code files.
-- Creating 'edm4eic' datamodel

  PODIO Data Model
  ================
  Used edm4eic.yaml to create 143 classes in /gpfs02/sphenix/user/danderson/test/edm4eic_test_repro/EDM4eic/build/
  Read instructions in the README.md to run your first example!

CMake Warning at test/CMakeLists.txt:54 (find_package):
  By not providing "FindHepPDT.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "HepPDT", but
  CMake did not find one.

  Could not find a package configuration file provided by "HepPDT" with any
  of the following names:

    HepPDTConfig.cmake
    heppdt-config.cmake

  Add the installation prefix of "HepPDT" to CMAKE_PREFIX_PATH or set
  "HepPDT_DIR" to a directory containing one of the above files.  If "HepPDT"
  provides a separate development package or SDK, be sure it has been
  installed.


CMake Error at test/CMakeLists.txt:73 (add_subdirectory):
  add_subdirectory given source "utils" which is not an existing directory.


-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
-- Doxygen not found; no documentation will be built.
-- Configuring incomplete, errors occurred!

While for Error 2, after commenting out the command on line 73 of test/CMakeLists.txt, the following output is produced:

-- The CXX compiler identification is Clang 16.0.6
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Warning at CMakeLists.txt:31 (find_package):
  Could not find a configuration file for package "podio" that is compatible
  with requested version "0.15".

  The following configuration files were considered but not accepted:

    /opt/local/lib/cmake/podio/podioConfig.cmake, version: 1.2.0



-- Found nlohmann_json: /opt/local/share/cmake/nlohmann_json/nlohmann_jsonConfig.cmake (found suitable version "3.11.2", minimum required is "3.11.2")
-- Found Vdt: /opt/local/include (found version "0.4")
-- Found Python: /opt/local/bin/python3.12 (found version "3.12.5") found components: Interpreter
-- Found podio: /opt/local/lib/cmake/podio/podioConfig.cmake (Required is at least version "1.0")
-- Found podio: /opt/local/lib/cmake/podio/podioConfig.cmake
-- Found EDM4HEP: /opt/local/lib/cmake/EDM4HEP/EDM4HEPConfig.cmake (Required is at least version "0.10.3")
-- Could not find .clang-format file!
-- Skip formatting of generated code files.
-- Creating 'edm4eic' datamodel

  PODIO Data Model
  ================
  Used edm4eic.yaml to create 143 classes in /gpfs02/sphenix/user/danderson/test/edm4eic_test_repro/EDM4eic/build/
  Read instructions in the README.md to run your first example!

CMake Warning at test/CMakeLists.txt:54 (find_package):
  By not providing "FindHepPDT.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "HepPDT", but
  CMake did not find one.

  Could not find a package configuration file provided by "HepPDT" with any
  of the following names:

    HepPDTConfig.cmake
    heppdt-config.cmake

  Add the installation prefix of "HepPDT" to CMAKE_PREFIX_PATH or set
  "HepPDT_DIR" to a directory containing one of the above files.  If "HepPDT"
  provides a separate development package or SDK, be sure it has been
  installed.


-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
-- Doxygen not found; no documentation will be built.
-- Configuring done (4.5s)
CMake Error at test/CMakeLists.txt:20 (add_test):
  Error evaluating generator expression:

    $<TARGET_FILE_DIR:edm4hep>

  No target "edm4hep"


CMake Error at test/CMakeLists.txt:26 (add_test):
  Error evaluating generator expression:

    $<TARGET_FILE_DIR:edm4hep>

  No target "edm4hep"


CMake Error at test/CMakeLists.txt:36 (add_test):
  Error evaluating generator expression:

    $<TARGET_FILE_DIR:edm4hep>

  No target "edm4hep"


CMake Error at test/CMakeLists.txt:42 (add_test):
  Error evaluating generator expression:

    $<TARGET_FILE_DIR:edm4hep>

  No target "edm4hep"


CMake Error at test/CMakeLists.txt:68 (add_test):
  Error evaluating generator expression:

    $<TARGET_FILE_DIR:edm4hep>

  No target "edm4hep"


-- Generating done (0.3s)
CMake Generate step failed.  Build files cannot be regenerated correctly.