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kbuild: install-extmod-build: Properly fix CC expansion when ccache is used

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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 to surround whatever CC expands to
to make sure the aarch64-linux-gnu-gcc isn't expanded to something that
looks like an entirely separate target.

Fixes: 140332b6ed ("kbuild: fix linux-headers package build when $(CC) cannot link userspace")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/20251111-kbuild-install-extmod-build-fix-cc-expand-third-try-v2-1-15ba1b37e71a@linaro.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
This commit is contained in:
Abel Vesa
2025-11-11 08:43:51 +02:00
committed by Nathan Chancellor
parent e9a6fb0bcd
commit 4ab2ee3079
1 changed files with 1 additions and 1 deletions
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2
scripts/package/install-extmod-build
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@@ -63,7 +63,7 @@ if [ "${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