From b6eee4918f4345bdf912f8910a87a280fe6d3825 Mon Sep 17 00:00:00 2001
From: Jukka Lehtosalo <jukka.lehtosalo@iki.fi>
Date: Sun, 6 Oct 2024 15:25:57 +0100
Subject: [PATCH] [mypyc] Make C unit tests faster by compiling with -O0

Most time is spent in compilation, so runtime performance doesn't really matter.
---
 mypyc/test/test_external.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mypyc/test/test_external.py b/mypyc/test/test_external.py
index 22eb8019133c..010c74dee42e 100644
--- a/mypyc/test/test_external.py
+++ b/mypyc/test/test_external.py
@@ -20,7 +20,9 @@ def test_c_unit_test(self) -> None:
         cppflags: list[str] = []
         env = os.environ.copy()
         if sys.platform == "darwin":
-            cppflags += ["-mmacosx-version-min=10.10", "-stdlib=libc++"]
+            cppflags += ["-O0", "-mmacosx-version-min=10.10", "-stdlib=libc++"]
+        elif sys.platform == "linux":
+            cppflags += ["-O0"]
         env["CPPFLAGS"] = " ".join(cppflags)
         # Build Python wrapper for C unit tests.