In the meantime clang-format 20 does provide the new config entry BreakBinaryOperations .

The config

BasedOnStyle: Google

BreakBinaryOperations: OnePerLine
ColumnLimit: 100

produces this formatting:

#if ((CONDITION_A_SWITCH == ENABLED) || \
     (CONDITION_A_SWITCH == ENABLED) || \
     (CONDITION_A_SWITCH == ENABLED))
[...]
#endif