Fix macOS wheel build: set MACOSX_DEPLOYMENT_TARGET=10.14 - #16
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cibuildwheel defaults the x86_64 macOS deployment target to 10.9, but nanobind's C++17 runtime uses aligned new/delete which requires macOS 10.13+. Every macOS wheel job failed to compile nanobind (nb_type.cpp: 'aligned deallocation function ... only available on macOS 10.13 or newer'). Pin the deployment target to 10.14 for the macOS builds.
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Problem
The first TestPyPI dry run of the Release workflow failed on every macOS wheel job (
Wheels on macos-14) during the nanobind compile:cibuildwheel defaults the x86_64 macOS deployment target to 10.9, but nanobind's C++17 runtime uses aligned
new/delete, which requires macOS 10.13+. Linux and Windows builds are unaffected.Fix
Pin the macOS deployment target for the wheel builds:
This is a build-config-only change; no package code is touched. It unblocks the macOS leg of the wheel matrix so the TestPyPI dry run (and, later, the real PyPI release) can complete.
https://claude.ai/code/session_012bjk4Y5eT1Sva8tNJjqUSw
Generated by Claude Code