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Makefile: Do not quote value for CONFIG_CC_IMPLICIT_FALLTHROUGH
Andreas reported that a specific build environment for an external module, being a bit broken, does pass CC_IMPLICIT_FALLTHROUGH quoted as argument to gcc, causing an error gcc-11: error: "-Wimplicit-fallthrough=5": linker input file not found: No such file or directory Until this is more generally fixed as outlined in [1], by fixing scripts/link-vmlinux.sh, scripts/gen_autoksyms.sh, etc to not directly include the include/config/auto.conf, and in a second step, change Kconfig to generate the auto.conf without "", workaround the issue by explicitly unquoting CC_IMPLICIT_FALLTHROUGH. Reported-by: Andreas Beckmann <[email protected]> Link: https://bugs.debian.org/1001083 Link: https://lore.kernel.org/linux-kbuild/CAK7LNAR-VXwHFEJqCcrFDZj+_4+Xd6oynbj_0eS8N504_ydmyw@mail.gmail.com/ [1] Signed-off-by: Salvatore Bonaccorso <[email protected]> Reviewed-by: Kees Cook <[email protected]> Reviewed-by: Gustavo A. R. Silva <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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