linux-hardening - [RFC PATCH 11/11] kbuild: suppress echoing of commands in --dry-run mode

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Message-Id: <20240819160309.2218114-12-vegard.nossum@oracle.com>
Date: Mon, 19 Aug 2024 18:03:08 +0200
From: Vegard Nossum <vegard.nossum@...cle.com>
To: Masahiro Yamada <masahiroy@...nel.org>, linux-kbuild@...r.kernel.org
Cc: Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        Morten Linderud <morten@...derud.pw>,
        Haelwenn Monnier <contact@...odan.eu>, Jann Horn <jannh@...gle.com>,
        Kees Cook <kees@...nel.org>,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        Theodore Ts'o <tytso@....edu>, linux-hardening@...r.kernel.org,
        Vegard Nossum <vegard.nossum@...cle.com>
Subject: [RFC PATCH 11/11] kbuild: suppress echoing of commands in --dry-run mode

If the user ran 'make -n' then we will already print all commands.

Signed-off-by: Vegard Nossum <vegard.nossum@...cle.com>
---
 Makefile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index d08ade5791c2e..a1a3e96a10ea2 100644
--- a/Makefile
+++ b/Makefile
@@ -96,9 +96,10 @@ ifneq ($(findstring 1, $(KBUILD_VERBOSE)),)
   Q =
 endif
 
-# If the user is running make -s (silent mode), suppress echoing of
-# commands
-ifneq ($(findstring s,$(firstword -$(MAKEFLAGS))),)
+# If the user is running make -s (silent mode) or -n (dry run mode),
+# suppress echoing of commands
+ifneq (,$(or $(findstring s,$(firstword -$(MAKEFLAGS))), \
+	$(findstring n,$(firstword -$(MAKEFLAGS)))))
 quiet=silent_
 override KBUILD_VERBOSE :=
 endif
-- 
2.34.1