[clang] abe997b - [CMake][Fuchsia] Switch to lld on Apple platforms

[David Blaikie via cfe-commits]

Neat!

On Tue, Mar 22, 2022 at 1:07 AM Petr Hosek via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

>
> Author: Petr Hosek
> Date: 2022-03-22T01:06:30-07:00
> New Revision: abe997bb2dd61188784954ae866352740629985d
>
> URL:
> https://github.com/llvm/llvm-project/commit/abe997bb2dd61188784954ae866352740629985d
> DIFF:
> https://github.com/llvm/llvm-project/commit/abe997bb2dd61188784954ae866352740629985d.diff
>
> LOG: [CMake][Fuchsia] Switch to lld on Apple platforms
>
> lld Mach-O backend supports all our use cases now.
>
> Differential Revision: https://reviews.llvm.org/D122047
>
> Added:
>
>
> Modified:
>     clang/cmake/caches/Fuchsia-stage2.cmake
>     clang/cmake/caches/Fuchsia.cmake
>
> Removed:
>
>
>
>
> ################################################################################
> diff  --git a/clang/cmake/caches/Fuchsia-stage2.cmake
> b/clang/cmake/caches/Fuchsia-stage2.cmake
> index d64229bd572eb..df15aa65cc9d2 100644
> --- a/clang/cmake/caches/Fuchsia-stage2.cmake
> +++ b/clang/cmake/caches/Fuchsia-stage2.cmake
> @@ -9,10 +9,7 @@ set(LLVM_ENABLE_RUNTIMES
> "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "
>
>  set(LLVM_ENABLE_BACKTRACES OFF CACHE BOOL "")
>  set(LLVM_ENABLE_DIA_SDK OFF CACHE BOOL "")
> -if(NOT APPLE)
> -  # TODO: Remove this once we switch to ld64.lld.
> -  set(LLVM_ENABLE_LLD ON CACHE BOOL "")
> -endif()
> +set(LLVM_ENABLE_LLD ON CACHE BOOL "")
>  set(LLVM_ENABLE_LTO ON CACHE BOOL "")
>  set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON CACHE BOOL "")
>  set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
> @@ -31,11 +28,8 @@ if(WIN32)
>  endif()
>
>  set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
> -if(NOT APPLE)
> -  # TODO: Remove this once we switch to ld64.lld.
> -  set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
> -  set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
> -endif()
> +set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
> +set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
>  set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
>  set(CLANG_ENABLE_ARCMT OFF CACHE BOOL "")
>  set(CLANG_ENABLE_STATIC_ANALYZER ON CACHE BOOL "")
>
> diff  --git a/clang/cmake/caches/Fuchsia.cmake
> b/clang/cmake/caches/Fuchsia.cmake
> index 8e9e44d5917ed..bf2ea1802963d 100644
> --- a/clang/cmake/caches/Fuchsia.cmake
> +++ b/clang/cmake/caches/Fuchsia.cmake
> @@ -22,11 +22,8 @@ if(WIN32)
>  endif()
>
>  set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
> -if(NOT APPLE)
> -  # TODO: Remove this once we switch to ld64.lld.
> -  set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
> -  set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
> -endif()
> +set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
> +set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
>  set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
>  set(CLANG_ENABLE_ARCMT OFF CACHE BOOL "")
>  set(CLANG_ENABLE_STATIC_ANALYZER OFF CACHE BOOL "")
> @@ -112,11 +109,8 @@ if(UNIX)
>    set(BOOTSTRAP_CMAKE_EXE_LINKER_FLAGS "-ldl -lpthread" CACHE STRING "")
>  endif()
>
> +set(BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "")
>  set(BOOTSTRAP_LLVM_ENABLE_LTO ON CACHE BOOL "")
> -if(NOT APPLE)
> -  # TODO: Remove this once we switch to ld64.lld.
> -  set(BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "")
> -endif()
>
>  set(CLANG_BOOTSTRAP_TARGETS
>    check-all
>
>
>
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