From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D07484D15 for ; Thu, 9 May 2024 20:00:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715284851; cv=none; b=RZN8lh5ZiBfGbGKdemFkUYwMZ0hON0YNMRap8fDKkMVB2i4VjGqsFZ6KNpimVMCL69VDEdCp2dWkI0H12BhluhZwkQXB2ETuwCNjicjAHoF/uA6udOjOgay4aFgeEyQBvjLBndphjJnpaoEcX+girxzP7q7ZmPTruA2KdYe8wHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715284851; c=relaxed/simple; bh=olG+XfDL3xDdohtjq5mUHNgjYfinvarWZWSY+TyFh0Y=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Wc3wRkLYW6J4oQW8aEzbE6g5GpJOqPJp4w4rKmI2hi4PSJqJZMlKmF5q1ojPPJdi6hOemLrrRkgyHb+95U+OrlLgOiXJxMl31t/zCxDyUhbXlqblKR5nkcnIVVnP7NdQdtodCgkUEwmbTbg0U/AgWaA2mFhFH3dDVPEMWp4iFgI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edliaw.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=YbxhrzLJ; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--edliaw.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="YbxhrzLJ" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-6204c4f4240so18616727b3.3 for ; Thu, 09 May 2024 13:00:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1715284849; x=1715889649; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=8CLdotFEq8j908dUbT6RbcvFD+YTCI0iXOlq7nFkwSk=; b=YbxhrzLJHfALsYA/PUh3m3WC4pHJpa3lO7g+ECbMiaUbh/ATox7Wt71ok3O00i9peh sIJDw27zFF36Waua/LrOBQtMWzpBxcu5PDn5wnk4RGSlAc+IpSqvmIZ6PPLHTONDuMu4 bCFKATO65omrW3g9qKAAhwtosIW6+IlalFJiw5YfP+yH7fINC6/sXa7358MgqbGaw8XG PQqbNKxjfuu+SF62l7ABcnpm/5IHBZhJAfsc8vuWH0b00Znf/908z4QLf3SUdtDn0dqg 5AOdTORHvH0K3RrY/2NaJSHidUh89a/tNXPo5sAKJK3VRncTfKq3FGwjH4NOq6A93aCC UE8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715284849; x=1715889649; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=8CLdotFEq8j908dUbT6RbcvFD+YTCI0iXOlq7nFkwSk=; b=XTQoy/MbAXC7h3UwKuRj/ei41XOFXBsZFcovMMEb+r6mHekzh7t0gZj8ntj39qNP1Z 2gkuYDrKpYNn4RHfJW+BlvD/yiIAqkDbdEgCw+AsKPSW5VTyoJ9yHPF1L8IJNtADo9u7 91MERZSsYLtFeNbSVjKJ+xkU526emE+6PtMd0NmQJfIFjbQcKiPw3VQDVFkGaLVq+G9d Choguv0nb2J2PKeysapoZLheMUi8YRAAA/vRZM2Srb2AQnvM6zwlrKwI5N3nWBUKMgq5 8AmuImQtK4YsrVyRqQg9wETNWF2cfRbw/shQA/0wzjSMq7OnyIZoKmK3MtJj03BnyA0P k7Bg== X-Forwarded-Encrypted: i=1; AJvYcCVexTX81pD2bgvmf3OqEIvVomMEUOxRy70jCjuSA/gspNFccsMENZfyHSoQmPftUQiVYWS5YwaYMrv9Ystgegerw6GL X-Gm-Message-State: AOJu0YzZAnxMoaChoWP3v7LCkY7PAzIej3vhJxUa509rxdGd401v1VL1 sL2scIHqn46pApyHWFPBkc8ErbzMvxVO3x0gf4Zy4u9VEDNZ/u6FDhfp00Ow78FgnqBLFfk/yZc 2/g== X-Google-Smtp-Source: AGHT+IGZb1++ccVRLEMIHpSPN2qAQJXid7wFD4piJoYbkIu2XX8BrfoTxjJ3q5NtoiGCFIfHJDyo+fBfXww= X-Received: from edliaw.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:305d]) (user=edliaw job=sendgmr) by 2002:a05:6902:705:b0:de4:5ce5:2656 with SMTP id 3f1490d57ef6-dee4f301355mr46992276.8.1715284848710; Thu, 09 May 2024 13:00:48 -0700 (PDT) Date: Thu, 9 May 2024 19:57:55 +0000 In-Reply-To: <20240509200022.253089-1-edliaw@google.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240509200022.253089-1-edliaw@google.com> X-Mailer: git-send-email 2.45.0.118.g7fe29c98d7-goog Message-ID: <20240509200022.253089-4-edliaw@google.com> Subject: [PATCH v3 03/68] selftests: Compile with -D_GNU_SOURCE when including lib.mk From: Edward Liaw To: shuah@kernel.org, "=?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?=" , "=?UTF-8?q?G=C3=BCnther=20Noack?=" , Christian Brauner , Richard Cochran , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Andrew Morton , Edward Liaw , Muhammad Usama Anjum Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@android.com, linux-security-module@vger.kernel.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, bpf@vger.kernel.org, John Hubbard Content-Type: text/plain; charset="UTF-8" lib.mk will add -D_GNU_SOURCE to CFLAGS by default. This will make it unnecessary to add #define _GNU_SOURCE in the source code. Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX") Suggested-by: John Hubbard Signed-off-by: Edward Liaw --- tools/testing/selftests/Makefile | 4 ++-- tools/testing/selftests/lib.mk | 5 ++++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index f0431e6cb67e..9039f3709aff 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -170,11 +170,11 @@ ifneq ($(KBUILD_OUTPUT),) # $(realpath ...) resolves symlinks abs_objtree := $(realpath $(abs_objtree)) BUILD := $(abs_objtree)/kselftest - KHDR_INCLUDES := -D_GNU_SOURCE -isystem ${abs_objtree}/usr/include + KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include else BUILD := $(CURDIR) abs_srctree := $(shell cd $(top_srcdir) && pwd) - KHDR_INCLUDES := -D_GNU_SOURCE -isystem ${abs_srctree}/usr/include + KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include DEFAULT_INSTALL_HDR_PATH := 1 endif diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 3023e0e2f58f..e782f4c96aee 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -67,7 +67,7 @@ MAKEFLAGS += --no-print-directory endif ifeq ($(KHDR_INCLUDES),) -KHDR_INCLUDES := -D_GNU_SOURCE -isystem $(top_srcdir)/usr/include +KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include endif # In order to use newer items that haven't yet been added to the user's system @@ -188,6 +188,9 @@ endef clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir) $(CLEAN) +# Build with _GNU_SOURCE by default +CFLAGS += -D_GNU_SOURCE + # Enables to extend CFLAGS and LDFLAGS from command line, e.g. # make USERCFLAGS=-Werror USERLDFLAGS=-static CFLAGS += $(USERCFLAGS) -- 2.45.0.118.g7fe29c98d7-goog