[PATCH] D24082: [CMake] Fix libc++abi arm build w/o libunwind.

[Eric Fiselier via cfe-commits]

EricWF added inline comments.


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Comment at: CMakeLists.txt:117
 option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF)
 option(LIBCXXABI_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
----------------
EricWF wrote:
> ```
> cmake_dependent_option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder" OFF
>                                            "LLVM_NATIVE_ARCH MATCHES ARM" ON)
> ```
> 
> And don't forget to add the include for cmake_dependent_option somewhere above!
The above code isn't correct as-is. You'll have to escape the strings for MATCHES.


https://reviews.llvm.org/D24082