On Tuesday, June 14, 2016 at 10:39:17 AM UTC-4, Jeffrey Walton wrote:
>
>
>
> On Tuesday, June 14, 2016 at 7:46:53 AM UTC-4, Jeffrey Walton wrote:
>>
>> Hi Everyone,
>>
>> Integer class took a bug report under Sun Studio 12.4. Also see Issue 
>> 184: Error: The operand "___LKDB" cannot be assigned to (
>> http://github.com/weidai11/cryptopp/issues/188).
>>
>> Sun CC 12.4 is an important Sun compiler because its their C++11 
>> compiler. I'm fairly certain the bug report is bogus, and its a compiler 
>> bug. Never the less, we had to work around it.
>>
>> The hack is available at 
>> http://github.com/weidai11/cryptopp/commit/7e06c1dce4b0ebc89708ba7afbcc23ff9093f4ea.
>>  
>> The essence of the hack is:
>>
>>   #if (__SUNPRO_CC == 0x5130)
>>   # define MAYBE_CONST
>>   #else
>>   # define MAYBE_CONST const
>>   #endif
>>
>
> This was changed a small bit:
>
>    #if (__SUNPRO_CC == 0x5130)
>    # define MAYBE_CONST
>    # define MAYBE_UNCONST_CAST const_cast<word*>
>    #else
>    # define MAYBE_CONST const
>    # define MAYBE_UNCONST_CAST
>    #endif
>
> It allows us to avoid the un-const cast completely if its not needed. It 
> gets used as expected:
>
>     void Baseline_Square2(word *R, const word *AA)
>     {
>         // http://github.com/weidai11/cryptopp/issues/188
>         MAYBE_CONST word* A = MAYBE_UNCONST_CAST(AA);
>
>         Squ_2
>     }
>
> Also see 
> http://github.com/weidai11/cryptopp/commit/c042616ba5951c843a9b6e2d1c7f7b5a3893ccb9
> .
>
> To test these changes, jump on the Solaris branch with 'git checkout 
> solaris'. Or, visit GitHub, select Solaris from the drop down, then select 
> Download ZIP.
>

This was committed at 
http://github.com/weidai11/cryptopp/commit/b1df5736a7191eb14adb178cfff2c8ea3daf638e.

Jeff
 

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