Feature/default build

[mgovers]

cfr. https://youtu.be/xSrEHZ6Sgfg?si=et5_SnnpXRpxXE6A

it is good practice if you have potential users building from source that are not interested in things like tests, compiler warnings, etc. That is: the build should pass with default compiler settings initiated by

cmake -B build/ -S .
cmake --build build/

and it should do so without any compiler warnings. Even more so, if one provides an install prefix or has the correct (admin) privileges for the default install prefix, installing should also pass. E.g.:

cmake -B build/ -S . -DCMAKE_INSTALL_PREFIX=install
cmake --build build/
cmake --build build/ --target install

This also FINALLY disables the -Wunused-attribute warning that ClangCL raises.

TBD: should we have (periodically scheduled?) builds that check whether these default builds pass?

[mgovers]

FYI: I did the following tests:

• Windows
  • default generator (Visual Studio Solution)
    • MSVC
      • cmake -B build -S . and cmake --build build
        • from x64 native tools command prompt
        • from default powershell
      • with installation cmake -B build -S . -DCMAKE_INSTALL_PREFIX=install and cmake --build build --target install
        • from x64 native tools command prompt
    • ClangCL
      • cmake -B build -S . -T ClangCL and cmake --build build
        • from x64 native tools command prompt
        • from default powershell
      • with installation cmake -B build -S . -DCMAKE_INSTALL_PREFIX=install and cmake --build build --target install
        • from x64 native tools command prompt
  • Ninja
    • MSVC
      • cmake -B build -S . -G Ninja and cmake --build build
        • from x64 native tools command prompt
        • from default powershell
    • ClangCL
      • cmake -B build -S . -G Ninja -DCMAKE_C_COMPILER="clang-cl.exe" -DCMAKE_CXX_COMPILER="clang-cl.exe" and cmake --build build
        • from x64 native tools command prompt
        • [ ] from default powershell not possible due to environment
• Linux (WSL2)
  • default generator (ninja)
    • Clang (via source + CC and CXX environment variables)
      • cmake -B build -S . and cmake --build build
      • with installation cmake -B build -S . -DCMAKE_INSTALL_PREFIX=install and cmake --build build --target install
    • GCC (via source + CC and CXX environment variables)
      • cmake -B build -S . and cmake --build build
      • with installation cmake -B build -S . -DCMAKE_INSTALL_PREFIX=install and cmake --build build --target install

[sonarqubecloud]

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