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author | Martin Storsjö <martin@martin.st> | 2021-10-24 01:11:20 +0300 |
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committer | Martin Storsjö <martin@martin.st> | 2021-12-08 00:32:40 +0200 |
commit | 317dc31e53b83c1d2a468d7a541925f0cc7d9dce (patch) | |
tree | 7d9c304cf712bf9b09b5f7813731e3cd3bd9b25e /llvm/lib/IR/Module.cpp | |
parent | fa517555420b8d86268b733d371413d607db3358 (diff) | |
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Reapply [runtimes] Fix building initial libunwind+libcxxabi+libcxx with compiler implied -lunwind
This does mostly the same as D112126, but for the runtimes cmake files.
Most of that is straightforward, but the interdependency between
libcxx and libunwind is tricky:
Libunwind is built at the same time as libcxx, but libunwind is not
installed yet. LIBCXXABI_USE_LLVM_UNWINDER makes libcxx link directly
against the just-built libunwind, but the compiler implicit -lunwind
isn't found. This patch avoids that by adding --unwindlib=none if
supported, if we are going to link explicitly against a newly built
unwinder anyway.
Reapplying this after
db32c4f45625dddc2c5cb683adf3d9cab7a9732f, which should fix the issues
that were reported last time this was applied.
Differential Revision: https://reviews.llvm.org/D113253
Diffstat (limited to 'llvm/lib/IR/Module.cpp')
0 files changed, 0 insertions, 0 deletions