[all-commits] [llvm/llvm-project] b16e01: [flang-rt] Fix macOS build: define _DARWIN_C_SOURC...

[Sairudra More via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b16e012603de706c6fa172af92767a22094fb8b1
      https://github.com/llvm/llvm-project/commit/b16e012603de706c6fa172af92767a22094fb8b1
  Author: Sairudra More <sairudra60 at gmail.com>
  Date:   2026-03-25 (Wed, 25 Mar 2026)

  Changed paths:
    M flang-rt/lib/runtime/trampoline.cpp

  Log Message:
  -----------
  [flang-rt] Fix macOS build: define _DARWIN_C_SOURCE for mmap flags (#186142)

On Darwin, `sys/mman.h` hides `MAP_JIT` and `MAP_ANON(YMOUS)` when
`_POSIX_C_SOURCE` is defined unless `_DARWIN_C_SOURCE` is also defined.
`trampoline.cpp` uses those flags, so this change defines
`_DARWIN_C_SOURCE` before including `<sys/mman.h>` in this file.

Fixes build failure reported in #183108.

Co-authored-by: Sairudra More <moresair at pe31.hpc.amslabs.hpecorp.net>



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