2017-11-17 10:06 GMT+09:00 Nicolas Pitre <[email protected]>: > Since commit 31847b67bec0 ("kconfig: allow use of relations other than > (in)equality") it is possible to use relational operators in Kconfig > statements. However, those operators give unexpected results when > applied to bool/tristate values: > > (n < y) = y (correct) > (m < y) = y (correct) > (n < m) = n (wrong) > > This happens because relational operators process bool and tristate > symbols as strings and m sorts before n. It makes little sense to do a > lexicographical compare on bool and tristate values though. > > Documentation/kbuild/kconfig-language.txt states that expression can have > a value of 'n', 'm' or 'y' (or 0, 1, 2 respectively for calculations). > Let's make it so for relational comparisons with bool/tristate > expressions as well and document them. If at least one symbol is an > actual string then the lexicographical compare works just as before. > > Signed-off-by: Nicolas Pitre <[email protected]> >
Applied to linux-kbuild/fixes. Thanks! -- Best Regards Masahiro Yamada
