Building newlib without -mhard-float

Rick Mann
Wed Sep 5 00:23:00 GMT 2007

Er, I meant

$ TARGET_CLFAGS="-march=armv5te -mcpu=xscale" make

On Sep 4, 2007, at 5:09 PM, Jeff Johnston wrote:

> Rick Mann wrote:
>> On Sep 4, 2007, at 11:22 AM, Jeff Johnston wrote:
>>> 2. Disable multilib and manually build a library you want.  In this
>>>    particular case, you should use TARGET_CFLAGS to append whatever
>>>    compiler options you want to the default options used to build
>>>    newlib.  You disable multilib by adding --disable-multilib to
>> Did you mean CFLAGS_FOR_TARGET instead of TARGET_CFLAGS?
> I meant TARGET_CFLAGS.  This is used in all low-level newlib  
> directories (take a look at libc/string/  This will  
> add your options without messing with defaulted and configured  
> options (e.g. -g -O2 is defaulted and you want to add -march=mycpu).

Oh, okay. The reason I asked is that after I ran configure, I looked  
in the top-level makefile for TARGET_CFLAGS and couldn't find it.  
Should I just do it like this?

TARGET_CLFAGS="-march=armv5te -mcpu=xscale"

Which brings up another question I've had before: should I just use - 
mcpu=xscale, or just -march=armv5te, or both? At one point, I got  
errors in something when I used both, saying that they were in  
conflict (IIRC--strikes me as incorrect).


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