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__curl_rule_01__ is declared as an array with negative size

I added arm64 support in my app's build settings, now I get this error in curlrules.h.Here is the error code:

typedef char
 __curl_rule_01__
 [CurlchkszEQ(long, CURL_SIZEOF_LONG)]; //where the error occurs
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Well obviously you need to make sure what CURL_SIZEOF_LONG

is defined as sizeof(long)

(or the equivalent of an integer literal, perhaps 8

) wherever it is defined. You are probably trying a #include

header that still thinks you are on 32 bit ARM.



The negative-sized array trick is a very common modeling trick static_assert

in C and C ++ - until 2011. Look in the source code for a definition CurlchkszEQ

if you want to know how it works in this particular case.

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