linux-kernel - [PATCH v1 08/10] selftests/rtc: Compile with -D_GNU

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Message-ID: <20240430235057.1351993-9-edliaw@google.com>
Date: Tue, 30 Apr 2024 23:50:17 +0000
From: Edward Liaw <edliaw@...gle.com>
To: shuah@...nel.org, Mark Brown <broonie@...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>, Edward Liaw <edliaw@...gle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, 
	Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: 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: [PATCH v1 08/10] selftests/rtc: Compile with -D_GNU_SOURCE

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@...gle.com>
---
 tools/testing/selftests/rtc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rtc/Makefile b/tools/testing/selftests/rtc/Makefile
index 55198ecc04db..4ef7ee969003 100644
--- a/tools/testing/selftests/rtc/Makefile
+++ b/tools/testing/selftests/rtc/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
-CFLAGS += -O3 -Wl,-no-as-needed -Wall
+CFLAGS += -O3 -Wl,-no-as-needed -Wall -D_GNU_SOURCE
 LDLIBS += -lrt -lpthread -lm

 TEST_GEN_PROGS = rtctest
--
2.45.0.rc0.197.gbae5840b3b-goog