gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/config/linux/aarch64/entrypoints.txt",
    "//libc/config/linux/riscv/entrypoints.txt",
    "//libc/config/linux/x86_64/entrypoints.txt",
    "//libc/include/CMakeLists.txt",
    "//libc/include/signal.yaml",
    "//libc/src/__support/OSUtil/linux/syscall_wrappers/CMakeLists.txt",
    "//libc/src/__support/OSUtil/linux/syscall_wrappers/raise.h",
    "//libc/src/__support/OSUtil/linux/syscall_wrappers/tgkill.h",
    "//libc/src/__support/threads/linux/CMakeLists.txt",
    "//libc/src/__support/threads/linux/thread.cpp",
    "//libc/src/__support/threads/thread.h",
    "//libc/src/signal/CMakeLists.txt",
    "//libc/src/signal/linux/CMakeLists.txt",
    "//libc/src/signal/linux/pthread_kill.cpp",
    "//libc/src/signal/pthread_kill.h",
    "//libc/test/integration/src/pthread/CMakeLists.txt",
    "//libc/test/integration/src/pthread/pthread_kill_test.cpp",
    "//utils/bazel/llvm-project-overlay/libc/BUILD.bazel"
  ],
  "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