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Hallyn" , Andrew Morton , Seth Forshee , Bongsu Jeon , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Steffen Klassert , Herbert Xu , Andreas =?iso-8859-1?Q?F=E4rber?= , Manivannan Sadhasivam , Matthieu Baerts , Mat Martineau , Geliang Tang , Willem de Bruijn , Fenghua Yu , Reinette Chatre , Mathieu Desnoyers , "Paul E. McKenney" , Boqun Feng , Alexandre Belloni , Jarkko Sakkinen , Dave Hansen , Muhammad Usama Anjum , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@android.com, linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-input@vger.kernel.org, iommu@lists.linux.dev, kvmarm@lists.linux.dev, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-actions@lists.infradead.org, mptcp@lists.linux.dev, linux-rtc@vger.kernel.org, linux-sgx@vger.kernel.org, bpf@vger.kernel.org Subject: Re: [PATCH v2 0/5] Define _GNU_SOURCE for sources using Message-ID: <202405071628.7F8C3EC@keescook> References: <20240507214254.2787305-1-edliaw@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240507214254.2787305-1-edliaw@google.com> On Tue, May 07, 2024 at 09:38:25PM +0000, Edward Liaw wrote: > 809216233555 ("selftests/harness: remove use of LINE_MAX") introduced > asprintf into kselftest_harness.h, which is a GNU extension and needs > _GNU_SOURCE to either be defined prior to including headers or with the > -D_GNU_SOURCE flag passed to the compiler. > > v1: https://lore.kernel.org/linux-kselftest/20240430235057.1351993-1-edliaw@google.com/ > v2: add -D_GNU_SOURCE to KHDR_INCLUDES so that it is in a single > location. Remove #define _GNU_SOURCE from source code to resolve > redefinition warnings. > > Edward Liaw (5): > selftests: Compile kselftest headers with -D_GNU_SOURCE > selftests/sgx: Include KHDR_INCLUDES in Makefile > selftests: Include KHDR_INCLUDES in Makefile > selftests: Drop define _GNU_SOURCE > selftests: Drop duplicate -D_GNU_SOURCE It's a lot of churn, but I don't see a way to do it differently. :) Reviewed-by: Kees Cook -- Kees Cook