[cfe-dev] Libc++ and libc++abi on ubuntu/debian/linux

Ben Pope benpope81 at gmail.com
Wed Jul 17 20:08:36 PDT 2013


On 16/07/13 19:22, David Irvine wrote:
> 
> On Tue, Jul 16, 2013 at 10:18 AM, Ben Pope
> <benpope81 at gmail.com
> <mailto:benpope81 at gmail.com>> wrote:
> 
> 
>     These are the results of the nightly tests run against clang-3.3:
>     export CXXFLAGS=-stdlib=libc++ && sandbox/bin/lnt runtest --submit
>     perfdb nt --sandbox sandbox --cc /usr/bin/clang-3.3 --test-suite
>     llvm-test-suite -j6
> 
> 
> Did you try these with libc++abi ? at all, sorry for the laziness here I
> am in meetings just now

ben at yyls03:~$ ldd /usr/lib/libc++.so
	linux-vdso.so.1 =>  (0x00007fff39bb2000)
	libc++abi.so.1 => /usr/lib/libc++abi.so.1 (0x00007f378202f000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f3781e12000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f3781a49000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f3781744000)
	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f378153c000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f3781325000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f3782169000)


I've just tested with:
export CXXFLAGS=-stdlib=libc++ && export LDFLAGS=-lc++abi &&
sandbox/bin/lnt runtest --submit perfdb nt --sandbox sandbox --cc
/usr/bin/clang-3.3 --test-suite llvm-test-suite -j6

And I get the same results.

I don't know what the tests are testing, or what the failure means.

I've used the nightly test suite to test clang-3.3 built using the
release test script (I helped with testing for the release).

Ben




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