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Sun, 09 Nov 2025 14:26:44 -0800 (PST) Received: from hackbox.lan ([86.121.7.169]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b2ee2ed31sm11601155f8f.29.2025.11.09.14.26.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Nov 2025 14:26:43 -0800 (PST) From: Abel Vesa Date: Mon, 10 Nov 2025 00:26:31 +0200 Subject: [PATCH] kbuild: install-extmod-build: Properly fix CC expansion when ccache is used Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251110-kbuild-install-extmod-build-fix-cc-expand-third-try-v1-1-5c0ddb1c67a8@linaro.org> X-B4-Tracking: v=1; b=H4sIABYVEWkC/yWNwQqDMBBEf0X23IUk6KH9ldJDkl3r0jRKEotF/ HeX9jLwHsPMDpWLcIVbt0Phj1SZs4K9dBAnn5+MQsrgjBusNVd8hVUSoeTafErIW3vPhH85yoY xqlt8JmyTFM3yRReDHXoTPYURdHkprNXf6/1xHCdwu8j3hQAAAA== X-Change-ID: 20251109-kbuild-install-extmod-build-fix-cc-expand-third-try-2cb1540cadbf To: Nathan Chancellor , Nicolas Schier , Masahiro Yamada Cc: Jeff Johnson , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Abel Vesa X-Mailer: b4 0.15-dev-dedf8 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Currently, when cross-compiling and ccache is used, the expanding of CC turns out to be without any quotes, leading to the following error: make[4]: *** No rule to make target 'aarch64-linux-gnu-gcc'. Stop. make[3]: *** [Makefile:2164: run-command] Error 2 And it makes sense, because after expansion it ends up like this: make run-command KBUILD_RUN_COMMAND=+$(MAKE) \ HOSTCC=ccache aarch64-linux-gnu-gcc VPATH= srcroot=. $(build)= ... So add another set of double quotes, this time escaped, to make sure the aarch64-linux-gnu-gcc isn't expanded to something that looks like an entirely separate target. Fixes: 140332b6ed72 ("kbuild: fix linux-headers package build when $(CC) cannot link userspace") Signed-off-by: Abel Vesa --- scripts/package/install-extmod-build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/package/install-extmod-build b/scripts/package/install-extmod-build index 054fdf45cc37a8717444b8094daf3e1150a8ccf5..6cce5c41552d520bf069487352fd26417b0b3899 100755 --- a/scripts/package/install-extmod-build +++ b/scripts/package/install-extmod-build @@ -63,7 +63,7 @@ if [ "${CC}" != "${HOSTCC}" ]; then # Clear VPATH and srcroot because the source files reside in the output # directory. # shellcheck disable=SC2016 # $(MAKE) and $(build) will be expanded by Make - "${MAKE}" run-command KBUILD_RUN_COMMAND='+$(MAKE) HOSTCC='"${CC}"' VPATH= srcroot=. $(build)='"$(realpath --relative-to=. "${destdir}")"/scripts + "${MAKE}" run-command KBUILD_RUN_COMMAND='+$(MAKE) HOSTCC='\""${CC}"\"' VPATH= srcroot=. $(build)='"$(realpath --relative-to=. "${destdir}")"/scripts rm -f "${destdir}/scripts/Kbuild" fi --- base-commit: 9c0826a5d9aa4d52206dd89976858457a2a8a7ed change-id: 20251109-kbuild-install-extmod-build-fix-cc-expand-third-try-2cb1540cadbf Best regards, -- Abel Vesa