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Date: Tue, 30 Apr 2024 23:50:16 +0000
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Subject: [PATCH v1 07/10] selftests/prctl: Compile with -D_GNU_SOURCE
From: Edward Liaw <edliaw@google.com>
To: shuah@kernel.org, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, 
	Takashi Iwai <tiwai@suse.com>, Jiri Kosina <jikos@kernel.org>, 
	Benjamin Tissoires <bentiss@kernel.org>, Sean Christopherson <seanjc@google.com>, 
	Paolo Bonzini <pbonzini@redhat.com>, Bongsu Jeon <bongsu.jeon@samsung.com>, 
	"David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, 
	Alexandre Belloni <alexandre.belloni@bootlin.com>, Jarkko Sakkinen <jarkko@kernel.org>, 
	Dave Hansen <dave.hansen@linux.intel.com>, Edward Liaw <edliaw@google.com>, 
	Andrew Morton <akpm@linux-foundation.org>, 
	Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, 
	kernel-team@android.com, linux-sound@vger.kernel.org, 
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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")
Signed-off-by: Edward Liaw <edliaw@google.com>
---
 tools/testing/selftests/prctl/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/prctl/Makefile b/tools/testing/selftests/prctl/Makefile
index 01dc90fbb509..23d319a7a322 100644
--- a/tools/testing/selftests/prctl/Makefile
+++ b/tools/testing/selftests/prctl/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
+CFLAGS += -D_GNU_SOURCE
 ifndef CROSS_COMPILE
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
--
2.45.0.rc0.197.gbae5840b3b-goog