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Nightly broken on older libstdc++ #57426
Description
As of nightly-2019-01-07, rustc fails on platforms with older libstdc++, i.e. CentOS 6.
error: couldn't load codegen backend "/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so": "/usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.14\' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)"
$ ldd /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.14' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.17' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.18' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.19' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
/home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so: /usr/lib64/libstdc++.so.6: version `CXXABI_1.3.5' not found (required by /home/rust/.rustup/toolchains/nightly-2019-01-07-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/../lib/libLLVM-8svn.so)
...
nightly-2019-01-06 and earlier do not exhibit this behavior.
Activity
Build LLVM with -static-libstdc++ on dist builds
alexcrichton commentedon Jan 7, 2019
Oops I think this was my fault! I've attempted to fix this in #57429
Auto merge of #57429 - alexcrichton:fix-dist, r=Mark-Simulacrum
Build LLVM with -static-libstdc++ on dist builds
Build LLVM with -static-libstdc++ on dist builds