[libc-commits] [libc] [libc][cmake] Unify unit and hermetic test rules into add_libc_test (PR #233512)

[LLVM Continuous Integration via libc-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `libc-x86_64-debian-fullbuild-dbg-asan` running on `libc-x86_64-debian-fullbuild` while building `libc` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/171/builds/57276

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
-- LIBC_CONF_STRTOFLOAT_DISABLE_EISEL_LEMIRE: OFF
-- LIBC_CONF_STRTOFLOAT_DISABLE_SIMPLE_DECIMAL_CONVERSION: OFF
-- LIBC_CONF_FIND_FIRST_CHARACTER_IMPL: element
-- LIBC_CONF_MEMCPY_X86_USE_NTA_STORES: ON
-- LIBC_CONF_MEMSET_X86_USE_SOFTWARE_PREFETCHING: OFF
-- LIBC_CONF_STRING_LENGTH_IMPL: element
-- LIBC_CONF_USE_MEM_BUILTINS: OFF
-- LIBC_CONF_THREAD_MODE: LIBC_THREAD_MODE_PLATFORM
-- LIBC_CONF_WCTYPE_MODE: LIBC_WCTYPE_MODE_ASCII
-- Writing config doc to /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/libc/docs/configure.rst
-- Overriding - LIBC_CONF_SCANF_PROVIDE_ISOC99_ALIASES: OFF (Previous value: OFF)
-- Overriding - LIBC_CONF_FIND_FIRST_CHARACTER_IMPL: word (Previous value: element)
-- Overriding - LIBC_CONF_STRING_LENGTH_IMPL: clang_vector (Previous value: element)
-- Set CPU features: AVX;AVX2;FMA;SSE2;SSE4_2
-- Compiler features available: cfloat128;float128;float80;stdc_fenv_access
-- Using getrandom for hashtable randomness
-- Integration test for hdrgen added.
-- Skipping test for 'libc.src.string.memcmp_x86_64_opt_avx512' insufficient host cpu features 'AVX512BW'
-- Skipping test for 'libc.src.string.memcpy_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.string.memmove_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.string.memset_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Skipping test for 'libc.src.strings.bcmp_x86_64_opt_avx512' insufficient host cpu features 'AVX512BW'
-- Skipping test for 'libc.src.strings.bzero_x86_64_opt_avx512' insufficient host cpu features 'AVX512F'
-- Configuring done
-- Generating done
-- Build files have been written to: /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build
@@@BUILD_STEP build libc@@@
Running: ninja libc
ninja: no work to do.
@@@BUILD_STEP build libc-startup@@@
Running: ninja libc-startup
ninja: no work to do.
@@@BUILD_STEP libc-unit-tests@@@
Running: ninja libc-unit-tests
ninja: error: unknown target 'libc-unit-tests'
['ninja', 'libc-unit-tests'] exited with return code 1.
The build step threw an exception...
Traceback (most recent call last):
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 181, in step
    yield
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 154, in main
    run_command(['ninja', 'libc-unit-tests'])
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 196, in run_command
    util.report_run_cmd(cmd, cwd=directory)
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/llvm-zorg/zorg/buildbot/builders/annotated/util.py", line 49, in report_run_cmd
    subprocess.check_call(cmd, shell=shell, *args, **kwargs)
  File "/usr/lib/python3.11/subprocess.py", line 413, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['ninja', 'libc-unit-tests']' returned non-zero exit status 1.
@@@STEP_FAILURE@@@
Step 8 (libc-unit-tests) failure: libc-unit-tests (failure)
@@@BUILD_STEP libc-unit-tests@@@
Running: ninja libc-unit-tests
ninja: error: unknown target 'libc-unit-tests'
['ninja', 'libc-unit-tests'] exited with return code 1.
The build step threw an exception...
Traceback (most recent call last):
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 181, in step
    yield
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 154, in main
    run_command(['ninja', 'libc-unit-tests'])
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 196, in run_command
    util.report_run_cmd(cmd, cwd=directory)
  File "/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg-asan/llvm-zorg/zorg/buildbot/builders/annotated/util.py", line 49, in report_run_cmd
    subprocess.check_call(cmd, shell=shell, *args, **kwargs)
  File "/usr/lib/python3.11/subprocess.py", line 413, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['ninja', 'libc-unit-tests']' returned non-zero exit status 1.
program finished with exit code 0
elapsedTime=126.317171

```

</details>

https://github.com/llvm/llvm-project/pull/233512