pythonGH-124820: Move -mno-outline-atomics flag to aarch64 Linux JI…

…T builds only (pythonGH-124821) (cherry picked from commit 6737333) Co-authored-by: Savannah Ostrowski <[email protected]>
miss-islington · Oct 2, 2024 · 90cdc2c · 90cdc2c
1 parent e6fb7fa
commit 90cdc2c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Tools/jit/_targets.py b/Tools/jit/_targets.py
@@ -512,7 +512,12 @@ def get_target(host: str) -> _COFF | _ELF | _MachO:
         args = ["-fms-runtime-lib=dll"]
         target = _COFF(host, alignment=8, args=args)
     elif re.fullmatch(r"aarch64-.*-linux-gnu", host):
-        args = ["-fpic"]
+        args = [
+            "-fpic",
+            # On aarch64 Linux, intrinsics were being emitted and this flag
+            # was required to disable them.
+            "-mno-outline-atomics",
+        ]
         target = _ELF(host, alignment=8, args=args)
     elif re.fullmatch(r"i686-pc-windows-msvc", host):
         args = ["-DPy_NO_ENABLE_SHARED"]