On Mon, Sep 7, 2015 at 9:17 AM, Kuba Brecka <jbre...@apple.com> wrote:
> > > 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 > Then this patch looks fine :-) Not sure if libcxxabi is needed though.
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