[Babel-users] babeld building and binary size

[Rodrigo Garcia]

Thank you that was useful

On 07/12/17 03:41, Matthieu Boutier wrote:
> Hi,
> 
> A first step could be to remove the "-g" from CFLAGS.  Default is "-Os -g".
> 
> On my desktop computer (debian 64bits, gcc), commit 9be552feda7f:
> 
> $ make clean > /dev/null; make CFLAGS="-Os -g" > /dev/null; du -h babeld
> 460K	babeld
> $ make clean > /dev/null; make CFLAGS="-Os" > /dev/null; du -h babeld
> 132K	babeld
> 
> The weird part, "-O0 -g" is smaller than "-Os -g":
> 
> $ make clean > /dev/null; make CFLAGS="-O0 -g" > /dev/null; du -h babeld
> 332K	babeld
> 
> Other results:
> 
> $ make clean > /dev/null; make CFLAGS="-O0" > /dev/null; du -h babeld
> 188K	babeld
> $ make clean > /dev/null; make CFLAGS="-O3" > /dev/null; du -h babeld
> 196K	babeld
> $ make clean > /dev/null; make CFLAGS="-O2" > /dev/null; du -h babeld
> 156K	babeld
> $ make clean > /dev/null; make CFLAGS="-O1" > /dev/null; du -h babeld
> 148K	babeld
> 
>> Can you explain why the executable file is smaller or can you share the
>> Makefile to build the smaller executable file ?
> 
> You should find the corresponding makefile in the lede repos.
> 
> Matthieu
> 
>