Fri Sep 19 17:26:00 GMT 2008
I tried to configure
../../../newlib-1.15.0/configure --target=arm-elf --prefix=$MYPREFIX \
--enable-interwork --enable-multilib --with-float=soft \
but --enable-newlib-reent-small is not recognized.
Have I to use 1.16.x instead of 1.15.0?
There is, also, a configure parameter for "SMALL_MEMORY" ?
Jeff Johnston wrote:
> fpaolo63 wrote:
>> Hi all,
>> I'm new on newlib.
>> I just made running my lpc23xx GNU tools chain on UBUNTU.
>> binutil 2.17, GCC 4.2.1, newlib 1.15, gdb 6.6
>> I wrote my own syslib, and I run a rtos application.
>> Now, I'd to reduce the memory footprint of the REENT support.
>> I have rebuilt the newlib setting _REENT_SMALL
>> (newlib_cflags="-DSMALL_MEMORY -D_REENT_SMALL").
>> Application is working fine but "struct _reent" on my application is
>> again ~1k.
> If you are always going to use _REENT_SMALL, then do it in
> This means that nothing will accidentally get built without the flag
> on and this
> files gets included whenever a user includes a newlib header file
> (i.e. application and
> newlib are consistent).
> If you just want to try it out, specify --enable-newlib-reent-small
> when you configure newlib.
> This will set _REENT_SMALL in libc/include/sys/config.h for you.
> -- Jeff J.
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