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The point where this broke is likely when llvmPackages_11.stdenv started
respecting stdenv.hostPlatform.linker and thus using GNU binutils'
ld.bfd for linking. That linker can't deal with clang's C++ ABI.
To fix this we introduce a modified version of llvmPackages_11.stdenv
which uses llvmPackages_11.bintools for linking purposes (I also aim to
upstream this in some form, but am not sure about the details atm, so
we'll just do this in the tvl overlay for now). This is the precondition
for getting our C++ packages in //third_party to work
again. Additionally the following fixes were necessary:
* abseil-cpp needed to be updated (by overriding the version from
nixpkgs for now, since I can't update the subtree on my own) to
fulfill grpc's requirements (grpc 1.41.0 needs abseil-cpp LTS
20210324).
* gtest needs a patch from nixpkgs which fixes the path to its include
directory for CMake.
* We need to build re2 with clang as well, otherwise linking will fail.
Fixes b/132.
Change-Id: I7b64579fe96451547babe070fd35db398581e49d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3701
Tested-by: BuildkiteCI
Reviewed-by: lukegb <lukegb@tvl.fyi>
Reviewed-by: tazjin <mail@tazj.in>
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* This was mostly for //third_party/nix and its dependencies which now
have been set to use llvmPackages_11 manually.
* For //users/grfn/achilles we also manually select the newer LLVM version.
* //tools/cheddar doesn't seem to need llvm anymore.
* //third_party/buzz also compiles with clang 7.1.0
* replace clang-tools everywhere with new attribute clang-tools_11
For the future we may want to have something similar again, but it may
not be necessary to invest too much time into it: nixpkgs is set to
upgrade their default llvmPackages to LLVM 11 as well at some point in
the near future.
Co-Authored-By: sterni <sternenseemann@systemli.org>
Change-Id: Id83868dbc476a6c776b59518b856c933f30ea79d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3135
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: grfn <grfn@gws.fyi>
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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).
Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
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Change-Id: Icef3900f9d1e55fd15c5286a794293368c33492c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1846
Tested-by: BuildkiteCI
Reviewed-by: kanepyork <rikingcoding@gmail.com>
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Additionally, add tests for the macros. A future CL will enable the tests in CI.
Change-Id: Id4445a1aa65bf6751b87606f37654f3fc6d20efc
Tested-By: kanepyork <rikingcoding@gmail.com>
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1274
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI
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This didn't work previously ... but now it does. I think setting the
standard explicitly is what did the trick, but it's slightly unclear
to me why.
Either way this means that Abseil is no longer constantly getting
recompiled when building Nix, which is nice.
Change-Id: I377f7b68bf1ef9045df6a2eee8fdd0c92f243547
Reviewed-on: https://cl.tvl.fyi/c/depot/+/921
Tested-by: BuildkiteCI
Reviewed-by: lukegb <lukegb@tvl.fyi>
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Change-Id: I6e85fc7b5f76bba1f1eef15e600a8acb64e97ef5
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This makes it possible to link Abseil into shared libraries, e.g. the
various Nix libraries.
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'768eb2ca2857342673fcd462792ce04b8bac3fa3'
git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54beb5796cd408fbe15d2d2da09ff37adf
git-subtree-split: 768eb2ca2857342673fcd462792ce04b8bac3fa3
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