[all-commits] [llvm/llvm-project] ede01d: [libc] Generate a stub for libdl.a (#222098)

[Alexey Samsonov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ede01decbcb34bd2f04b9102ab96664cc6d5aa4b
      https://github.com/llvm/llvm-project/commit/ede01decbcb34bd2f04b9102ab96664cc6d5aa4b
  Author: Alexey Samsonov <vonosmas at gmail.com>
  Date:   2026-09-08 (Tue, 08 Sep 2026)

  Changed paths:
    M libc/lib/CMakeLists.txt

  Log Message:
  -----------
  [libc] Generate a stub for libdl.a (#222098)

Avoid link errors when build rules explicitly add `-ldl` to the linker
invocation -
create an empty `libdl.a` static archive on Linux. It's necessary, for
example,
to build Clang (https://github.com/llvm/llvm-project/issues/97191) 

Follow the approach from f88e9de37a52abf9b269a7232bf4d4028bc4ace8
which added a similar stub for `libpthread.a`. Like pthread, dynamic
loader
functions (although they are mostly unimplemented in LLVM-libc as of
today)
are residing in the main `libc.a` archive instead.



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