It would be nice to updatehttps://numpy.org/devdocs/dev/development_advanced_debugging.html#building-with-debug-symbols to account for some of the nuances noted athttps://mesonbuild.com/meson-python/how-to-guides/debug-builds.html. The particularly relevant one is that when using conda-forge compilers, one must unset or override the-O2 flag from the compiler activation (e.g. with--Csetup-args=-Dc_args="-O0")