Replace cxx-common with superbuild, add LLVM 20 support#343

Draft

artemdinaburg wants to merge 47 commits intomasterfrom

llvm-build-updates

Commits on Dec 1, 2025

Commits on Dec 3, 2025

Fix SIGSEGV in PackedAttr creation for LLVM 20

artemdinaburg
and
claude
committed
Reduce bigstruct test size to avoid LLVM 20 crash

artemdinaburg
and
claude
committed

Commits on Dec 5, 2025

Use PUBLIC includes for LLVM/Clang headers on all platforms

artemdinaburg
and
claude
committed
Fix macOS build by clearing CMAKE_OSX_SYSROOT

artemdinaburg
and
claude
committed
Unset SDKROOT on macOS to fix Homebrew LLVM build

artemdinaburg
and
claude
committed
Use -nostdinc++ with explicit libc++ path on macOS

artemdinaburg
and
claude
committed
Use system AppleClang on macOS to avoid libc++ conflicts

artemdinaburg
and
claude
committed
Remove empty CMAKE_OSX_SYSROOT from macOS workflow

artemdinaburg
and
claude
committed
Fix test sysroot check to require non-empty value

artemdinaburg
and
claude
committed
macOS: Use Homebrew clang with explicit libc++ paths

artemdinaburg
and
claude
committed
macOS: Use -I instead of -isystem for libc++ include path priority

artemdinaburg
and
claude
committed
Mark macOS CI as experimental (continue-on-error)

artemdinaburg
and
claude
committed
Fix CMake include paths and update macOS documentation

artemdinaburg
and
claude
committed

Commits on Dec 15, 2025

Fix headergen crash with [[no_unique_address]] fields

artemdinaburg
and
claude
committed