Tests/RunCMake/XcodeProject/PerConfigPerSourceFlags-stderr.txt

^CMake Error in CMakeLists.txt:
  Xcode does not support per-config per-source COMPILE_FLAGS:

    \$<\$<CONFIG:Debug>:-DMYDEBUG>

  specified for source:

    .*/Tests/RunCMake/XcodeProject/main.c$