gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libsycl/CMakeLists.txt",
    "//libsycl/README.md",
    "//libsycl/docs/index.rst",
    "//libsycl/include/sycl/__impl/backend.hpp",
    "//libsycl/include/sycl/__impl/detail/config.hpp",
    "//libsycl/include/sycl/__impl/detail/obj_utils.hpp",
    "//libsycl/include/sycl/__impl/exception.hpp",
    "//libsycl/include/sycl/__impl/info/desc_base.hpp",
    "//libsycl/include/sycl/__impl/info/platform.hpp",
    "//libsycl/include/sycl/__impl/platform.hpp",
    "//libsycl/include/sycl/sycl.hpp",
    "//libsycl/src/CMakeLists.txt",
    "//libsycl/src/detail/global_objects.cpp",
    "//libsycl/src/detail/global_objects.hpp",
    "//libsycl/src/detail/offload/offload_topology.cpp",
    "//libsycl/src/detail/offload/offload_topology.hpp",
    "//libsycl/src/detail/offload/offload_utils.cpp",
    "//libsycl/src/detail/offload/offload_utils.hpp",
    "//libsycl/src/detail/platform_impl.cpp",
    "//libsycl/src/detail/platform_impl.hpp",
    "//libsycl/src/exception.cpp",
    "//libsycl/src/exception_list.cpp",
    "//libsycl/src/platform.cpp",
    "//libsycl/src/version.hpp.in",
    "//libsycl/tools/CMakeLists.txt",
    "//libsycl/tools/sycl-ls/CMakeLists.txt",
    "//libsycl/tools/sycl-ls/sycl-ls.cpp"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}