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The stackprotector support in nolibc should be enabled iff it is also enabled in the compiler. Use the preprocessor defines added by gcc and clang if stackprotector support is enable to automatically do so in nolibc. This completely removes the need for any user-visible API. To avoid inlining the lengthy preprocessor check into every user introduce a new header compiler.h that abstracts the logic away. As the define NOLIBC_STACKPROTECTOR is now not user-relevant anymore prefix it with an underscore. Suggested-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/lkml/20230520133237.GA27501@1wt.eu/ Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> |
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