macos builds are broken

[IAlibay]

See #183

EDIT: see #187

[PardhavMaradani]

I believe the reference is to issue #187 . Thanks

[orbeckst]

On macOS 15.7.4 ARM64 Python 3.14 with

  libhwy  1.3.0    h48b13b8_1  conda-forge

I was able to build with

python setup.py install -- -DDISTOPIA_USE_EXTERNAL_HWY=ON -DCMAKE_VERBOSE_MAKEFILE=ON -DHAVE_STD_REGEX=ON -DRUN_HAVE_STD_REGEX=1 -DDISTOPIA_BUILD_TESTS=OFF

and pass the distopia tests

pytest -vvv distopia/tests/
============================================= test session starts ==============================================
platform darwin -- Python 3.14.3, pytest-9.0.2, pluggy-1.6.0 -- ~/miniforge3/envs/distopia/bin/python3.14
cachedir: .pytest_cache
rootdir: ~/Projects/mda/distopia
configfile: pyproject.toml
collected 193 items

...

============================================= 193 passed in 7.98s ==============================================

Building the googlebench/test fails if I try it with -DDISTOPIA_BUILD_TESTS=ON with a couple of errors such as

~/Projects/mda/distopia/libdistopia/googlebench/include/benchmark/benchmark.h:1446:30: error: '__COUNTER__' is a C2y extension [-Werror,-Wc2y-extensions]
 1446 | #if defined(__COUNTER__) && (__COUNTER__ + 1 == __COUNTER__ + 0)
      |                              ^
~/Projects/mda/distopia/libdistopia/googlebench/include/benchmark/benchmark.h:1446:49: error: '__COUNTER__' is a C2y extension [-Werror,-Wc2y-extensions]
 1446 | #if defined(__COUNTER__) && (__COUNTER__ + 1 == __COUNTER__ + 0)
      |                                                 ^
2 errors generated.

[PardhavMaradani]

Building the googlebench/test fails if I try it with -DDISTOPIA_BUILD_TESTS=ON with a couple of errors such as

This is the same issue I ran into in a different PR - see comment for details. Here is the commit in that PR that resolves this. Maybe we could make this commit independent of that PR to be merged onto main. Thanks

[orbeckst]

If we can just update the submodule then I'd prefer it over the hack here. I just didn't want to deal with trying to figure out if/what would need to be changed for running the benchmarks. Can you make a separate PR and then I can close this one.

[orbeckst]

(Sorry, I didn't remember that you had documented all of this already in your PR #188)

[PardhavMaradani]

Created PR #195 to update google benchmark to version v1.9.5. Thanks