> On 07 Sep 2015, at 17:21, Nico Weber <tha...@chromium.org> wrote:
>
> libcxx is needed to run compiler-rt tests, but it shouldn't be needed to run
> clang's tests. And to _use_ your self-built compiler, you need to add
> `-isysroot $(xcrun -show-sdk-path)` to the compile flags to let the compiler
> find C headers anyway, which also makes it find the libc++ headers.
No, it doesn’t:
$ clang++ a.cpp # System version.
$ clang++ a.cpp -isysroot $(xcrun --show-sdk-path) # System version.
$ ./clang++ ~/test/cpp101.cpp # Self-built version.
a.cpp:1:10: fatal error: 'iostream' file not found
$ ./clang++ a.cpp -isysroot $(xcrun --show-sdk-path) # Self-built version.
a.cpp:1:10: fatal error: 'iostream' file not found
Kuba
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