---
id: pr-flashinfer-1821
repo: flashinfer-ai/flashinfer
pr: 1821
title: Remove `-isystem /usr/include`
author: chelsea0x3b
date: '2025-10-01'
url: https://github.com/flashinfer-ai/flashinfer/pull/1821
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: bb42a8c89c53008c5f20f8d6f3aa2d3f8821de16
inclusion_reason: defer
changed_paths:
- flashinfer/jit/cpp_ext.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-1821
head_ref_oid: 92479a5a1a7d350687b1bb74f694c331f4507fb9
---
# Remove `-isystem /usr/include`

- Repository: `flashinfer-ai/flashinfer`
- PR: [1821](https://github.com/flashinfer-ai/flashinfer/pull/1821)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `flashinfer/jit/cpp_ext.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1821`
