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Thu, 20 Feb 2025 07:14:18 -0800 (PST) Received: from ritvikos.localdomain ([49.36.192.37]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-220d5349389sm123310255ad.42.2025.02.20.07.14.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 07:14:18 -0800 (PST) Received: by ritvikos.localdomain (Postfix, from userid 1000) id 1D910E7C4B5; Thu, 20 Feb 2025 20:44:15 +0530 (IST) From: ritvikfoss@gmail.com To: linux-kernel@vger.kernel.org, ricardo@marliere.net Cc: skhan@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH v2] scripts/checksyscalls.sh: Add usage message, fix -Wno-error Date: Thu, 20 Feb 2025 20:44:14 +0530 Message-ID: <20250220151414.8003-1-ritvikfoss@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250220105940.5241-1-ritvikfoss@gmail.com> References: <20250220105940.5241-1-ritvikfoss@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Ritvik Gupta Currently 'scripts/checksyscalls.sh' does not provide guidance when executed without specifying a compiler, instead it attempts to execute '-Wno-error' parameter as a command, resulting in 'Wno-error: Command not found' error. This patch adds a usage message that is displayed when no compiler is provided as parameter to improve clarity. Signed-off-by: Ritvik Gupta --- Changes in v2: - Make the script posix compliant - Fixed formatting Thanks for reviewing! scripts/checksyscalls.sh | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index 1e5d2eeb726d..96cba9f79249 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -10,6 +10,22 @@ # checksyscalls.sh gcc gcc-options # =20 +usage() { +cat << EOF +Usage: $0 [compiler-options] + +Example: + $0 gcc +EOF + +exit 1 +} + +if [ $# -eq 0 ]; then + echo "Error: No compiler provided." + usage +fi + ignore_list() { cat << EOF #include --=20 2.48.1