The standalone Toolchain had always been troublesome and personally experience
had always been installing the full Xcode suite, and use xcode-select -s to
switch to it.
Other than that, You used the troublesome standalone toolchain initially so you
might need to clear your build cache before switching to Xcode
Zhang
> 在 2021年5月4日，22:12，Abid Malik via llvm-dev <llvm-dev at
lists.llvm.org> 写道：
>
> Thanks, Boris and Tobias for the feedback.
>
> The building always stuck at libcxxabi:
> ----
>
/Users/abidmalik/Programming/MLIR_target/llvm-project/libcxxabi/include/cxxabi.h:43:26:
error: unknown type name 'size_t'
> __cxa_allocate_exception(size_t thrown_size) throw();
> ^
>
/Users/abidmalik/Programming/MLIR_target/llvm-project/libcxxabi/include/cxxabi.h:86:75:
error: unknown type name 'uint64_t'
> extern _LIBCXXABI_FUNC_VIS _LIBCXXABI_ALWAYS_COLD int
__cxa_guard_acquire(uint64_t *);
> ^
>
/Users/abidmalik/Programming/MLIR_target/llvm-project/libcxxabi/include/cxxabi.h:87:76:
error: unknown type name 'uint64_t'
> extern _LIBCXXABI_FUNC_VIS _LIBCXXABI_ALWAYS_COLD void
__cxa_guard_release(uint64_t *);
>
> ----
> I tried with flag
"-I/Users/abidmalik/Programming/MLIR_target/llvm-project/build/include/c++/v1"
but I am getting:
>
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/algorithm:641:
>
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/cstring:77:9:
error: no member named 'strncmp' in the global namespace
> using ::strncmp;
>
>
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/cstring:78:9:
error: no member named 'strcoll' in the global namespace
> using ::strcoll;
>
> I feel I am not setting flags for C++ libraries correctly for MacBook (
Ubuntu is doing fine).
>
> Thanks
>
>
> On Tue, May 4, 2021 at 5:20 AM Tobias Hieta <tobias at plexapp.com>
wrote:
>> > > -DCMAKE_C_FLAGS="-isysroot
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk"
-DCMAKE_CXX_FLAGS="-isysroot
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk
>> >
>> > I do not use option -isysroot. Do these directories exist? I think
you do not have to set it.
>>
>> The right way to do this is to set -DCMAKE_OSX_SYSROOT - not to pass
>> isysroot directly.
>>
>> -- Tobias
>
>
> --
> Abid M. Malik
> ******************************************************
> "I have learned silence from the talkative, toleration from the
intolerant, and kindness from the unkind"---Gibran
> "Success is not for the chosen few, but for the few who choose"
--- John Maxwell
> "Being a good person does not depend on your religion or status in
life, your race or skin color, political views or culture. IT DEPENDS ON HOW
GOOD YOU TREAT OTHERS"--- Abid
> "The Universe is talking to us, and the language of the Universe is
mathematics."----Abid
>
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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