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This patch allows definitions based on previous definitions: ``` #define NARWHAL 0 #define UNICORN 1 #define RHINOCEROS 2 #define ANIMAL UNICORN ``` Previously, the fourth definition's value would be a string "UNICORN" and a condition like: ``` #if ANIMAL == UNICORN ``` would evaluate as "UNICORN" == 1 which is false.
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This patch allows definitions based on previous definitions:
Previously, the fourth definition's value would be a string "UNICORN" and a condition like:
would evaluate as "UNICORN" == 1 which is false.