Message ID | 20240819160309.2218114-7-vegard.nossum@oracle.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show
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Mon, 19 Aug 2024 16:04:12 +0000 (GMT) Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 47JEbHn4007848; Mon, 19 Aug 2024 16:04:11 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 413h3pbaw3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 19 Aug 2024 16:04:11 +0000 Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 47JG3Fen014254; Mon, 19 Aug 2024 16:04:11 GMT Received: from localhost.localdomain (dhcp-10-175-39-147.vpn.oracle.com [10.175.39.147]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 413h3pb9w5-7; Mon, 19 Aug 2024 16:04:10 +0000 From: Vegard Nossum <vegard.nossum@oracle.com> To: Masahiro Yamada <masahiroy@kernel.org>, linux-kbuild@vger.kernel.org Cc: Nathan Chancellor <nathan@kernel.org>, Nicolas Schier <nicolas@fjasle.eu>, Michael Ellerman <mpe@ellerman.id.au>, Morten Linderud <morten@linderud.pw>, Haelwenn Monnier <contact@lanodan.eu>, Jann Horn <jannh@google.com>, Kees Cook <kees@kernel.org>, James Bottomley <James.Bottomley@HansenPartnership.com>, Theodore Ts'o <tytso@mit.edu>, linux-hardening@vger.kernel.org, Vegard Nossum <vegard.nossum@oracle.com> Subject: [RFC PATCH 06/11] kbuild: set $dry_run when running in --dry-run mode Date: Mon, 19 Aug 2024 18:03:03 +0200 Message-Id: <20240819160309.2218114-7-vegard.nossum@oracle.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240819160309.2218114-1-vegard.nossum@oracle.com> References: <20240819160309.2218114-1-vegard.nossum@oracle.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: <linux-hardening.vger.kernel.org> List-Subscribe: <mailto:linux-hardening+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-hardening+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-19_13,2024-08-19_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 adultscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2407110000 definitions=main-2408190107 X-Proofpoint-GUID: dNqzGx34NOYtguYcjNPHdRVE3Y_jqhLE X-Proofpoint-ORIG-GUID: dNqzGx34NOYtguYcjNPHdRVE3Y_jqhLE |
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output a valid shell script when running 'make -n'
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expand
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diff --git a/Makefile b/Makefile index 58f3843ccfac6..953951157ec92 100644 --- a/Makefile +++ b/Makefile @@ -22,6 +22,11 @@ $(if $(filter __%, $(MAKECMDGOALS)), \ PHONY := __all __all: +# Was make invoked with --dry-run/-n? Record this in a convenience variable. +ifeq (n,$(findstring n,$(firstword -$(MAKEFLAGS)))) +export dry_run := 1 +endif + # We are using a recursive build, so we need to do a little thinking # to get the ordering right. #
Add a convenience variable that allows us to use 'ifdef dry_run...endif' in Makefiles or '[ -v dry_run ]' in shell scripts to test whether make was invoked with '-n'. See [1] for an explanation of this particular construction. [1]: https://www.gnu.org/software/make/manual/make.html#Testing-Flags Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> --- Makefile | 5 +++++ 1 file changed, 5 insertions(+)