[cmake] Add hexagon-linux cmake cache files (#98712)

These can be used to create a fully-bootstrapped toolchain to target
hexagon {baremetal,linux} with scripts like the ones in
https://github.com/quic/toolchain_for_hexagon
This commit is contained in:
Brian Cain
2024-10-03 08:11:34 -05:00
committed by GitHub
parent 4f82f27ccd
commit ea62db0c03
5 changed files with 74 additions and 0 deletions

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# This file is for the llvm+clang options that are specific to building
# a cross-toolchain targeting hexagon linux.
set(DEFAULT_SYSROOT "../target/hexagon-unknown-linux-musl/" CACHE STRING "")
set(CLANG_LINKS_TO_CREATE
hexagon-linux-musl-clang++
hexagon-linux-musl-clang
hexagon-unknown-linux-musl-clang++
hexagon-unknown-linux-musl-clang
hexagon-none-elf-clang++
hexagon-none-elf-clang
hexagon-unknown-none-elf-clang++
hexagon-unknown-none-elf-clang
CACHE STRING "")
set(LLVM_INSTALL_TOOLCHAIN_ONLY ON CACHE BOOL "")

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set(LLVM_TARGETS_TO_BUILD "Hexagon" CACHE STRING "")
set(LLVM_DEFAULT_TARGET_TRIPLE "hexagon-unknown-linux-musl" CACHE STRING "")
set(CLANG_DEFAULT_CXX_STDLIB "libc++" CACHE STRING "")
set(CLANG_DEFAULT_OBJCOPY "llvm-objcopy" CACHE STRING "")
set(CLANG_DEFAULT_RTLIB "compiler-rt" CACHE STRING "")
set(CLANG_DEFAULT_UNWINDLIB "libunwind" CACHE STRING "")
set(CLANG_DEFAULT_LINKER "lld" CACHE STRING "")
set(LLVM_ENABLE_PROJECTS "clang;lld" CACHE STRING "")
set(LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
set(LLVM_INCLUDE_DOCS OFF CACHE BOOL "")
# Enabling toolchain-only causes problems when doing some of the
# subsequent builds, will need to investigate:
set(LLVM_INSTALL_TOOLCHAIN_ONLY OFF CACHE BOOL "")

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set(CMAKE_ASM_FLAGS "-G0 -mlong-calls -fno-pic" CACHE STRING "")
set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL "")
set(LLVM_TARGET_TRIPLE hexagon-unknown-linux-musl CACHE STRING "")
set(COMPILER_RT_DEFAULT_TARGET_TRIPLE hexagon-unknown-linux-musl CACHE STRING "")
set(COMPILER_RT_BUILD_BUILTINS ON CACHE BOOL "")
set(COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_ORC OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_GWP_ASAN OFF CACHE BOOL "")
set(COMPILER_RT_BUILTINS_ENABLE_PIC OFF CACHE BOOL "")
set(COMPILER_RT_SUPPORTED_ARCH hexagon CACHE STRING "")

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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL "")
set(LLVM_DEFAULT_TARGET_TRIPLE hexagon-unknown-linux-musl CACHE STRING "")
set(COMPILER_RT_USE_LLVM_UNWINDER ON CACHE BOOL "")
# Some build failures here, including the inline asm in
# `compiler-rt/lib/sanitizer_common/sanitizer_redefine_builtins.h`, so
# we can just disable these for now:
set(COMPILER_RT_BUILD_BUILTINS OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "")
set(COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "")

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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL "")
set(LLVM_ENABLE_RUNTIMES libcxx;libcxxabi;libunwind;compiler-rt CACHE STRING "")
set(LIBCXX_INCLUDE_BENCHMARKS OFF CACHE BOOL "")
set(LIBCXX_HAS_MUSL_LIBC ON CACHE BOOL "")
set(LIBCXX_INCLUDE_TESTS OFF CACHE BOOL "")
set(LIBCXXABI_INCLUDE_TESTS OFF CACHE BOOL "")
set(LIBUNWIND_INCLUDE_TESTS OFF CACHE BOOL "")
set(LIBCXX_CXX_ABI libcxxabi CACHE STRING "")
set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
set(LIBCXXABI_ENABLE_SHARED ON CACHE BOOL "")
set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")