path: root/lib
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authorKees Cook <keescook@chromium.org>2016-07-26 14:26:20 -0700
committerMichal Marek <mmarek@suse.com>2016-07-26 23:50:59 +0200
commit228d96c603cf53e32f672c0e459d2adbc5a4609a (patch)
treee6d936927424b32c693ad20f61f1990094765008 /lib
parent21532b9e5bd597631cfe38d9eb34df069938065b (diff)
kbuild: Abort build on bad stack protector flag
Before, the stack protector flag was sanity checked before .config had been reprocessed. This meant the build couldn't be aborted early, and only a warning could be emitted followed later by the compiler blowing up with an unknown flag. This has caused a lot of confusion over time, so this splits the flag selection from sanity checking and performs the sanity checking after the make has been restarted from a reprocessed .config, so builds can be aborted as early as possible now. Additionally moves the x86-specific sanity check to the same location, since it suffered from the same warn-then-wait-for-compiler-failure problem. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'lib')
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