[llvm-dev] [Module TS] Help

[Adrian Prantl via llvm-dev]

This question is probably a better fit for the cfe-users / dev mailing list since it is about the clang frontend.

-- adrian
> On Jul 16, 2017, at 6:28 AM, Mathieu Garaud via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hi,
> 
> I put together a small test but it doesn't work and I didn't find much documentation so maybe someone can help?
> 
> 1. std.cppm
>     export module std;
>     #include <cstdint>
> 
> 2. cmd.cppm
>     export module cmd;
>     import std;
>     namespace cmd {
>         export enum struct value_type : std::uint8_t {
>             INT = 0
>         };
>     };
> 
> but the compilation of cmd module fails:
>     /usr/local/opt/llvm/bin/clang -x c++-module -Og -g -fno-omit-frame-pointer -std=c++1z -fmodules-ts -nostdinc++ -isystem /usr/local/opt/llvm
> /include/c++/v1 -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-c++11-compat -Wno-c++11-compat-pedantic -Wno-padded -Wno-documentation-unknown-command -Wno-documentation --precompile -fmodule-file=std.pcm -o cmd.pcm cmd.cppm
>     cmd.cppm:8:37: error: use of undeclared identifier 'std'
>         export enum struct value_type : std::uint8_t
> 
> Any ideas why? Any suggestions to make it work?
> 
> PS: clang version
>     clang version 5.0.0 (https://llvm.org/git/clang.git <https://llvm.org/git/clang.git> 2004a0d58e49a79917f4fe861462f3dd59d42009) (https://llvm.org/git/llvm.git <https://llvm.org/git/llvm.git> a4a73ad242dce894dbb05b9871d5ba133149f0d4)
>     Target: x86_64-apple-darwin16.6.0
>     Thread model: posix
>     InstalledDir: /usr/local/opt/llvm/bin
> 
> Thanks,
> 
> Mathieu
> 
> 
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