From 8403bab1fdb4c8aafbb1c78d9339f808e617afff Mon Sep 17 00:00:00 2001
From: puddly <32534428+puddly@users.noreply.github.com>
Date: Wed, 4 Dec 2024 13:33:54 -0500
Subject: [PATCH 1/2] Set C++ standard to 17

---
 setup.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/setup.py b/setup.py
index ac40120..17f74e7 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,7 @@
     Pybind11Extension(
         name="micro_features_cpp",
         language="c++",
+        cxx_std=17,
         extra_compile_args=flags,
         sources=sorted([str(p) for p in sources] + [str(_DIR / "python.cpp")]),
         define_macros=[("VERSION_INFO", __version__)],

From e1d3f88183e12bb8af2df9e399ea157af7393762 Mon Sep 17 00:00:00 2001
From: puddly <32534428+puddly@users.noreply.github.com>
Date: Wed, 4 Dec 2024 14:32:27 -0500
Subject: [PATCH 2/2] Patch Clang invocations to avoid passing `-std=c++17`
 when compiling C

---
 setup.py | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 17f74e7..e77ed52 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,29 @@
+import sys
 from pathlib import Path
 
 # Available at setup time due to pyproject.toml
-from pybind11.setup_helpers import Pybind11Extension, build_ext
+from pybind11.setup_helpers import Pybind11Extension
 from setuptools import setup
 
+
+# Omit `-std=c++` flags if we're building C source files with Clang
+if sys.platform == "darwin":
+    from distutils import unixccompiler
+
+    class PatchedUnixCCompiler(unixccompiler.UnixCCompiler):
+        def _compile(
+            self, obj, src, ext, cc_args, extra_postargs, pp_opts, *args, **kwargs
+        ):
+            if self.compiler[0] == "clang" and ext == ".c":
+                extra_postargs = [a for a in extra_postargs if "-std=c++" not in a]
+
+            return super()._compile(
+                obj, src, ext, cc_args, extra_postargs, pp_opts, *args, **kwargs
+            )
+
+    unixccompiler.UnixCCompiler = PatchedUnixCCompiler
+
+
 _DIR = Path(__file__).parent
 _FRONTEND_DIR = _DIR / "tensorflow" / "lite" / "experimental" / "microfrontend" / "lib"
 _KISSFFT_DIR = _DIR / "kissfft"