linux-kernel - Re: [PATCH v1 00/10] Define _GNU

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Date: Wed, 1 May 2024 10:59:54 +0900
From: Mark Brown <broonie@...nel.org>
To: Edward Liaw <edliaw@...gle.com>
Cc: shuah@...nel.org, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, Jiri Kosina <jikos@...nel.org>,
	Benjamin Tissoires <bentiss@...nel.org>,
	Sean Christopherson <seanjc@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Bongsu Jeon <bongsu.jeon@...sung.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Jarkko Sakkinen <jarkko@...nel.org>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Muhammad Usama Anjum <usama.anjum@...labora.com>,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	kernel-team@...roid.com, linux-sound@...r.kernel.org,
	linux-input@...r.kernel.org, kvm@...r.kernel.org,
	netdev@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-sgx@...r.kernel.org
Subject: Re: [PATCH v1 00/10] Define _GNU_SOURCE for sources using

On Tue, Apr 30, 2024 at 11:50:09PM +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.

This seems like something that should be handled centrally rather than
having to go round and audit the users every time some update is made.

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