linux-kernel - [PATCH v6 03/13] selftests/net: Append to lib.mk CFLAGS in Makefile

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Message-ID: <20240624232718.1154427-4-edliaw@google.com>
Date: Mon, 24 Jun 2024 23:26:12 +0000
From: Edward Liaw <edliaw@...gle.com>
To: linux-kselftest@...r.kernel.org, Eric Biederman <ebiederm@...ssion.com>, 
	Kees Cook <kees@...nel.org>, Shuah Khan <shuah@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, 
	Darren Hart <dvhart@...radead.org>, Davidlohr Bueso <dave@...olabs.net>, 
	"André Almeida" <andrealmeid@...lia.com>, Jason Gunthorpe <jgg@...pe.ca>, Kevin Tian <kevin.tian@...el.com>, 
	Paolo Bonzini <pbonzini@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Fenghua Yu <fenghua.yu@...el.com>, 
	Reinette Chatre <reinette.chatre@...el.com>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Jarkko Sakkinen <jarkko@...nel.org>, Dave Hansen <dave.hansen@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, usama.anjum@...labora.com, seanjc@...gle.com, 
	kernel-team@...roid.com, Edward Liaw <edliaw@...gle.com>, linux-mm@...ck.org, 
	iommu@...ts.linux.dev, kvm@...r.kernel.org, netdev@...r.kernel.org, 
	linux-fsdevel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	linux-sgx@...r.kernel.org
Subject: [PATCH v6 03/13] selftests/net: Append to lib.mk CFLAGS in Makefile

Instead of overwriting the CFLAGS imported from lib.mk, append instead
instead.  Also drop -D_GNU_SOURCE from CFLAGS to prevent redefinition
warning.

Signed-off-by: Edward Liaw <edliaw@...gle.com>
---
 tools/testing/selftests/net/Makefile        | 2 +-
 tools/testing/selftests/net/tcp_ao/Makefile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index bc3925200637..8eaffd7a641c 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for net selftests
 
-CFLAGS =  -Wall -Wl,--no-as-needed -O2 -g
+CFLAGS +=  -Wall -Wl,--no-as-needed -O2 -g
 CFLAGS += -I../../../../usr/include/ $(KHDR_INCLUDES)
 # Additional include paths needed by kselftest.h
 CFLAGS += -I../
diff --git a/tools/testing/selftests/net/tcp_ao/Makefile b/tools/testing/selftests/net/tcp_ao/Makefile
index 522d991e310e..bd88b90b902b 100644
--- a/tools/testing/selftests/net/tcp_ao/Makefile
+++ b/tools/testing/selftests/net/tcp_ao/Makefile
@@ -26,7 +26,7 @@ LIB	:= $(LIBDIR)/libaotst.a
 LDLIBS	+= $(LIB) -pthread
 LIBDEPS	:= lib/aolib.h Makefile
 
-CFLAGS	:= -Wall -O2 -g -D_GNU_SOURCE -fno-strict-aliasing
+CFLAGS	+= -Wall -O2 -g -fno-strict-aliasing
 CFLAGS	+= $(KHDR_INCLUDES)
 CFLAGS	+= -iquote ./lib/ -I ../../../../include/
 
-- 
2.45.2.741.gdbec12cfda-goog