gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/include/llvm-libc-macros/linux/unistd-macros.h",
    "//libc/include/unistd.yaml",
    "//libc/src/__support/OSUtil/linux/CMakeLists.txt",
    "//libc/src/__support/OSUtil/linux/syscall_wrappers/CMakeLists.txt",
    "//libc/src/__support/OSUtil/linux/syscall_wrappers/sched_getaffinity.h",
    "//libc/src/__support/OSUtil/linux/sysinfo.h",
    "//libc/src/unistd/linux/CMakeLists.txt",
    "//libc/src/unistd/linux/sysconf.cpp",
    "//libc/test/src/__support/OSUtil/linux/CMakeLists.txt",
    "//libc/test/src/__support/OSUtil/linux/sysinfo_test.cpp",
    "//libc/test/src/unistd/sysconf_test.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": []
}
running all tests due to change to blacklisted file