[libc-commits] [libc] [libc] at_quick_exit function implemented (PR #94317)

[via libc-commits]

zeroomega wrote:

@aaryanshukla We discovered a cmake configuration error when building the baremetal runtime `runtimes-riscv32-unknown-elf` on builder https://lab.llvm.org/buildbot/#/builders/98/builds/39050 after this change is landed. Error message:

```
-- Configuring done (2.5s)
CMake Error at /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/cmake/modules/LLVMLibCObjectRules.cmake:90 (add_dependencies):
  The dependency target "libc.src.__support.threads.mutex" of target
  "libc.src.stdlib.exit_handler" does not exist.
Call Stack (most recent call first):
  /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/cmake/modules/LLVMLibCFlagRules.cmake:158 (create_object_library)
  /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/cmake/modules/LLVMLibCFlagRules.cmake:158 (cmake_language)
  /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/cmake/modules/LLVMLibCFlagRules.cmake:251 (expand_flags_for_target)
  /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/cmake/modules/LLVMLibCObjectRules.cmake:122 (add_target_with_flags)
  /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/stdlib/CMakeLists.txt:419 (add_object_library)
-- Generating done (0.4s)
CMake Generate step failed.  Build files cannot be regenerated correctly.
```
Could you take a look please?

https://github.com/llvm/llvm-project/pull/94317