Hi.
This is my proposal to fix this bug.
(to be applied with "git am").
The only problem is that salsa has a version 2.6.0+dfsg-6
which is unreleased and I don't know how that should be handled.
Thanks.
From c2a627c84888f454ec3b9c1a08025955583656a4 Mon Sep 17 00:00:00 2001
From: Santiago Vila <sanv...@debian.org>
Date: Wed, 9 Apr 2025 13:34:26 +0200
Subject: [PATCH] Disable non-portable flags. Closes: #1102472.
Thanks to Adrian Bunk.
---
.../2310-disable-non-portable-flags.patch | 21 +++++++++++++++++++
debian/patches/series | 1 +
2 files changed, 22 insertions(+)
create mode 100644 debian/patches/2310-disable-non-portable-flags.patch
diff --git a/debian/patches/2310-disable-non-portable-flags.patch b/debian/patches/2310-disable-non-portable-flags.patch
new file mode 100644
index 00000000..2c3b23a8
--- /dev/null
+++ b/debian/patches/2310-disable-non-portable-flags.patch
@@ -0,0 +1,21 @@
+Description: Disable non-portable flags
+Author: Santiago Vila <sanv...@debian.org>
+Bug-Debian: https://bugs.debian.org/1102472
+Last-Update: 2025-04-09
+
+--- a/torch/_inductor/cpp_builder.py
++++ b/torch/_inductor/cpp_builder.py
+@@ -547,13 +547,6 @@
+ # on macos, unknown argument: '-fno-tree-loop-vectorize'
+ if _is_gcc(cpp_compiler):
+ cflags.append("fno-tree-loop-vectorize")
+- # https://stackoverflow.com/questions/65966969/why-does-march-native-not-work-on-apple-m1
+- # `-march=native` is unrecognized option on M1
+- if not config.is_fbcode():
+- if platform.machine() == "ppc64le":
+- cflags.append("mcpu=native")
+- else:
+- cflags.append("march=native")
+
+ return cflags
+
diff --git a/debian/patches/series b/debian/patches/series
index bd20a540..cdd55b7e 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -13,3 +13,4 @@
2210-disable-fno-math-errno-on-arm64-to-workaround-gcc14-bug.patch
2220-disable-sve-on-arm64.patch
2300-torch-cuda-no-use-nvtx3.patch
+2310-disable-non-portable-flags.patch
--
2.39.5
