Don't use libgcc on macos clang

python/triton/runtime/build.py

@@ -47,9 +47,14 @@ def _build(name, src, srcdir, library_dirs, include_dirs, libraries):
     include_dirs = include_dirs + [srcdir, py_include_dir, *custom_backend_dirs]
     # for -Wno-psabi, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111047
     cc_cmd = [cc, src, "-O3", "-shared", "-fPIC", "-Wno-psabi", "-o", so]
+
+    libraries += ["gcc"]
     # Use dynamic lookup to load Python library on Mac
     if system == "Darwin":
         cc_cmd += ["-undefined", "dynamic_lookup"]
+        # Don't use libgcc on clang + macos
+        if "clang" in cc:
+            libraries.remove("gcc")
     cc_cmd += [f'-l{lib}' for lib in libraries]
     cc_cmd += [f"-L{dir}" for dir in library_dirs]
     cc_cmd += [f"-I{dir}" for dir in include_dirs if dir is not None]

third_party/cpu/backend/compiler.py

@@ -263,7 +263,7 @@ def make_so(src, metadata, options):
             asm_path = os.path.join(tmpdir, "kernel.s")
             Path(asm_path).write_text(src)
             lib_dirs = cpu_driver.library_dirs
-            libs = ["gcc", "m", "TritonCPURuntime", "sleef"]
+            libs = ["m", "TritonCPURuntime", "sleef"]
             so = _build("kernel", asm_path, tmpdir, lib_dirs, cpu_driver.include_dirs, libs)
             with open(so, "rb") as f:
                 return f.read()