[PATCH] D154400: [llvm] Add support for building LLVM on SerenityOS

[Andrew Kaster via Phabricator via llvm-commits]

ADKaster created this revision.
Herald added subscribers: abrachet, phosek, hiraditya, krytarowski.
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Adds SerenityOS `#ifdef`s for platform-specific code.

We stub out wait4, as SerenityOS doesn't support querying a child
process's resource usage information.

POSIX shm is not supported by SerenityOS yet, so disable it in Orc.

Serenity gives each thread a default of 1MiB of stack. Increase the
default stack size for llvm applications when running on SerenityOS.

Depends on D154399 <https://reviews.llvm.org/D154399>

Co-Authored-By: sin-ack <sin-ack at users.noreply.github.com>
Co-Authored-By: Tim Schumacher <timschumi at gmx.de>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D154400

Files:
  llvm/cmake/modules/HandleLLVMOptions.cmake
  llvm/include/llvm/Support/SwapByteOrder.h
  llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp
  llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
  llvm/lib/Support/Unix/Path.inc
  llvm/lib/Support/Unix/Program.inc

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