long long support in printf?

[David Williams]

Hi All,

I was looking through the source printf() in newlib source and noticed that 
it has "ll" and "q" flags that indicate that the integer is a long long (ie 
64 bits). When using this flag GCC happily accepts the flags and the 
subsequent long long arguments without warning of argument mismatch - so 
far so good. However when it executes it only outputs the highest 32 bits.

I notices that in the source for printf() (vfprintf.c) there are 
conditional compiles using symbol _NO_LONGLONG. At the top of the file this 
symbol is defined.

I am currently using binaries of GCC made available by David Fiddes and 
Scott Howard. Neither of these seem to support long long integers.

What is the best method of getting support for these. Do I have to 
recompile newlib myself? If so where is the best place to start?

TIA
David Williams.

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