gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/config/linux/aarch64/entrypoints.txt",
    "//libc/config/linux/aarch64/headers.txt",
    "//libc/config/linux/riscv/entrypoints.txt",
    "//libc/config/linux/riscv/headers.txt",
    "//libc/config/linux/x86_64/entrypoints.txt",
    "//libc/config/linux/x86_64/headers.txt",
    "//libc/hdr/CMakeLists.txt",
    "//libc/hdr/semaphore_macros.h",
    "//libc/hdr/types/CMakeLists.txt",
    "//libc/hdr/types/sem_t.h",
    "//libc/include/CMakeLists.txt",
    "//libc/include/limits.yaml",
    "//libc/include/llvm-libc-macros/CMakeLists.txt",
    "//libc/include/llvm-libc-macros/limits-macros.h",
    "//libc/include/llvm-libc-macros/semaphore-macros.h",
    "//libc/include/llvm-libc-types/CMakeLists.txt",
    "//libc/include/llvm-libc-types/sem_t.h",
    "//libc/include/semaphore.yaml",
    "//libc/src/semaphore/CMakeLists.txt",
    "//libc/src/semaphore/linux/CMakeLists.txt",
    "//libc/src/semaphore/linux/sem_clockwait.cpp",
    "//libc/src/semaphore/linux/sem_close.cpp",
    "//libc/src/semaphore/linux/sem_destroy.cpp",
    "//libc/src/semaphore/linux/sem_getvalue.cpp",
    "//libc/src/semaphore/linux/sem_init.cpp",
    "//libc/src/semaphore/linux/sem_open.cpp",
    "//libc/src/semaphore/linux/sem_post.cpp",
    "//libc/src/semaphore/linux/sem_timedwait.cpp",
    "//libc/src/semaphore/linux/sem_trywait.cpp",
    "//libc/src/semaphore/linux/sem_unlink.cpp",
    "//libc/src/semaphore/linux/sem_wait.cpp",
    "//libc/src/semaphore/linux/semaphore.h",
    "//libc/src/semaphore/sem_clockwait.h",
    "//libc/src/semaphore/sem_close.h",
    "//libc/src/semaphore/sem_destroy.h",
    "//libc/src/semaphore/sem_getvalue.h",
    "//libc/src/semaphore/sem_init.h",
    "//libc/src/semaphore/sem_open.h",
    "//libc/src/semaphore/sem_post.h",
    "//libc/src/semaphore/sem_timedwait.h",
    "//libc/src/semaphore/sem_trywait.h",
    "//libc/src/semaphore/sem_unlink.h",
    "//libc/src/semaphore/sem_wait.h",
    "//libc/test/src/semaphore/CMakeLists.txt",
    "//libc/test/src/semaphore/linux/CMakeLists.txt",
    "//libc/test/src/semaphore/linux/semaphore_test.cpp",
    "//libc/test/src/semaphore/sem_getvalue_test.cpp",
    "//libc/test/src/semaphore/sem_init_test.cpp",
    "//libc/test/src/semaphore/sem_open_test.cpp",
    "//libc/test/src/semaphore/sem_unlink_test.cpp",
    "//libc/test/src/semaphore/sem_wait_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