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AJvYcCUNcnLb2WYhH9pQvwvYSoMpxDvvpTNDi5oCyuJNGQpnHIY/BqGqGJKxkX5AzsW42+L2VPYqwYhRXvQHnBi23FBG8sWsHoNNqbVx X-Gm-Message-State: AOJu0Yw6cjxE4mdO8B9kCKsdcZ38K+Iqud2oHp7FG2mzwU0zMl6C+FQV Zcdz1ZYBkCvHI7sI1/ATjn8t0sojrw/GdeKoD9wruNW3Nt1WC/J88hV151g12n4lxwBWeCTt4XK L/g== X-Google-Smtp-Source: AGHT+IFDRufPRd20hhB8IsmwhuIIZ1gDaiY3aRkAgAGU63hP6Y69UhIvyGPjEABNQz9R7M3kyPQJ53ZX+tk= X-Received: from edliaw.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:305d]) (user=edliaw job=sendgmr) by 2002:a81:a189:0:b0:61d:4701:5e65 with SMTP id 00721157ae682-62085c5c5fbmr2405797b3.2.1715118295730; Tue, 07 May 2024 14:44:55 -0700 (PDT) Date: Tue, 7 May 2024 21:38:26 +0000 In-Reply-To: <20240507214254.2787305-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-sgx@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240507214254.2787305-1-edliaw@google.com> X-Mailer: git-send-email 2.45.0.rc1.225.g2a3ae87e7f-goog Message-ID: <20240507214254.2787305-2-edliaw@google.com> Subject: [PATCH v2 1/5] selftests: Compile kselftest headers with -D_GNU_SOURCE From: Edward Liaw To: shuah@kernel.org, Mark Brown , Jaroslav Kysela , Takashi Iwai , Catalin Marinas , Will Deacon , Nhat Pham , Johannes Weiner , Christian Brauner , Eric Biederman , Kees Cook , OGAWA Hirofumi , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jiri Kosina , Benjamin Tissoires , Jason Gunthorpe , Kevin Tian , Andy Lutomirski , Will Drewry , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Paolo Bonzini , Sean Christopherson , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , David Hildenbrand , "=?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?=" , Paul Moore , James Morris , "Serge E. Hallyn" , Andrew Morton , Seth Forshee , Bongsu Jeon , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Steffen Klassert , Herbert Xu , "=?UTF-8?q?Andreas=20F=C3=A4rber?=" , 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 , Edward Liaw Cc: 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, kernel test robot Content-Type: text/plain; charset="UTF-8" Add the -D_GNU_SOURCE flag to KHDR_INCLUDES so that it is defined in a central location. 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. Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202404301040.3bea5782-oliver.sang@intel.com Signed-off-by: Edward Liaw --- tools/testing/selftests/Makefile | 4 ++-- tools/testing/selftests/kselftest_harness.h | 2 +- tools/testing/selftests/lib.mk | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index e1504833654d..ed012a7f0786 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -161,11 +161,11 @@ ifneq ($(KBUILD_OUTPUT),) # $(realpath ...) resolves symlinks abs_objtree := $(realpath $(abs_objtree)) BUILD := $(abs_objtree)/kselftest - KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include + KHDR_INCLUDES := -D_GNU_SOURCE -isystem ${abs_objtree}/usr/include else BUILD := $(CURDIR) abs_srctree := $(shell cd $(top_srcdir) && pwd) - KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include + KHDR_INCLUDES := -D_GNU_SOURCE -isystem ${abs_srctree}/usr/include DEFAULT_INSTALL_HDR_PATH := 1 endif diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index d98702b6955d..b2a1b6343896 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -51,7 +51,7 @@ #define __KSELFTEST_HARNESS_H #ifndef _GNU_SOURCE -#define _GNU_SOURCE +static_assert(0, "kselftest harness requires _GNU_SOURCE to be defined"); #endif #include #include diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index da2cade3bab0..2503dc732b4d 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -45,7 +45,7 @@ selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) top_srcdir = $(selfdir)/../../.. ifeq ($(KHDR_INCLUDES),) -KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include +KHDR_INCLUDES := -D_GNU_SOURCE -isystem $(top_srcdir)/usr/include endif # The following are built by lib.mk common compile rules. -- 2.45.0.rc1.225.g2a3ae87e7f-goog