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Toolchain: Use Platform/SerenityOS.cmake in LLVM toolchain build

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By setting CMAKE_MODULE_PATH in the LLVM initial cache scripts, we can
make the "SerenityOS" CMAKE_SYSTEM_NAME usable in the builds of
compiler-rt, libunwind, libcxxabi and libcxx.

This simplifies some toolchain patches and brings the cross-compiler
patches closer to the Port's patches, and closer to something
upstreamable.
This commit is contained in:
Andrew Kaster 2022-01-02 21:51:27 -07:00 • committed by Brian Gianforcaro
parent af31253a16
commit c5898806d2
4 changed files with 34 additions and 14 deletions
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5
Toolchain/CMake/LLVMRuntimesConfig.cmake
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@ -1,9 +1,14 @@
# This file specifies the options used for building the various LLVM runtime libraries
# Note: We force the cmake module path for all dependent projects to include our custom directory
# That has the Platform/SerenityOS.cmake definition
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${SERENITY_MODULE_PATH}" CACHE STRING "Modules for CMake")
set(CMAKE_BUILD_TYPE Release CACHE STRING "")
set(LLVM_ENABLE_RUNTIMES "libcxx;libcxxabi;libunwind" CACHE STRING "")
set(CMAKE_SYSTEM_NAME SerenityOS CACHE STRING "")
set(target_triple ${SERENITY_TOOLCHAIN_ARCH}-pc-serenity)
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")